Re: [Emc-users] LinuxCNC meetup 2016 Stuttgart, Germany

[alex chiosso]

Hi Rene.

Where is the final location for the Meeting in Stuttgart?
Still in the same place of the previous meetings?

Regards

Alex Chiosso

On Wed, Nov 2, 2016 at 6:50 PM, Rene Hopf <reneh...@mac.com> wrote:

> Es wird wieder ein LinuxCNC Treffen in Stuttgart geben.
>
> Die termine gelten jeweils für das ganze Wochenende, Freitag-Sonntag.
> Terminfindung/Anmeldung hier: http://doodle.com/poll/w52962an5pxgatsi
>
> Looks like we're meeting again this year.
>
> The Dates in the doodle are for the weekend, Friday-Sunday.
> http://doodle.com/poll/w52962an5pxgatsi
>
> Previous events:
> 2013: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_
> Integrator_Meeting_2013_Germany
> 2014: http://wiki.linuxcnc.org/cgi-bin/wiki.pl?LinuxCNC_
> Integrator_Meeting_2014_Germany
>
> We will bring a demo of STMBL: https://github.com/rene-dev/stmbl
>
> Rene
> 
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Re: [Emc-users] Setting axis as homed

[alex chiosso]

Hi Eric .
You should just setup a machine with 2 axis (X-Y) or the number of real
axis you need for the application as Ralph suggested.

Regards
Alex

On Mon, Aug 8, 2016 at 4:46 PM, Ralph Stirling <
ralph.stirl...@wallawalla.edu> wrote:

> You can define any combination of axes in the ini file
> that you like.  Define them like this:
>
> [TRAJ]
> AXES = 3
> COORDINATES = X Y A
>
> [AXIS_0]
> TYPE = LINEAR
> ...
>
> [AXIS_1]
> TYPE = LINEAR
> ...
>
> [AXIS_2]
> TYPE = ANGULAR
> ...
>
> -- Ralph
> 
> From: Eric H. Johnson [ejohn...@camalytics.com]
> Sent: Monday, August 08, 2016 7:28 AM
> To: 'Enhanced Machine Controller (EMC)'
> Subject: Re: [Emc-users] Setting axis as homed
>
> Alex,
>
> I am driving Z as discrete outputs, but Z still gets defined in the ini
> file, even if it is skipped to go onto A. Unless there is a way around this
> that I am not aware.
>
> Regards,
> Eric
>
>
> Hi Eric.
> Why are you using an axis (Z) to drive a pneumatic cylinder ?
> You should drive it as a discrete output using a custom M1xx function and
> setup a 2 axis machine instead of a 3 axis machine.
> Can you explain better your application please ?
>
> Regards
>
> Alex
>
> On Mon, Aug 8, 2016 at 2:51 PM, Eric H. Johnson 
> wrote:
>
> > All,
> >
> >
> >
> > I am trying to use "force home" on a machine which has X, Y and A
> > axes. The Z is a two position air cylinder, so not controllable as an
> > axis, but does appear in the configuration with basically nothing
> > attached to it. Is there a way to set the Z axis as "homed"
> > (axis.N.homed) so that when NO_FORCE_HOME is false, it does not give
> > an error that the axis is not homed when trying to run?
> >
> >
> >
> > Thanks,
> >
> > Eric
> >
> > 
> > --
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Re: [Emc-users] Setting axis as homed

[alex chiosso]

Hi Eric.
Why are you using an axis (Z) to drive a pneumatic cylinder ?
You should drive it as a discrete output using a custom M1xx function and
setup a 2 axis machine instead of a 3 axis machine.
Can you explain better your application please ?

Regards

Alex

On Mon, Aug 8, 2016 at 2:51 PM, Eric H. Johnson 
wrote:

> All,
>
>
>
> I am trying to use "force home" on a machine which has X, Y and A axes. The
> Z is a two position air cylinder, so not controllable as an axis, but does
> appear in the configuration with basically nothing attached to it. Is there
> a way to set the Z axis as "homed" (axis.N.homed) so that when
> NO_FORCE_HOME
> is false, it does not give an error that the axis is not homed when trying
> to run?
>
>
>
> Thanks,
>
> Eric
>
> 
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Re: [Emc-users] Loading SSD

[alex chiosso]

I use Clonezilla too.
But Clonezilla check if the data stored dimension on the source disk is
lower than the destination capacity disk.
I never pay attention about the disk size.
I cloned a 320GB disk on a 120GB ssd  without any configuration
modification.
Of course you can verify the conformity size before to start the cloning
procedure.
Clonezilla is a good cloning tool and it's free. ;-)

Regards

Alex Chiosso

On Mon, May 2, 2016 at 2:12 PM, John Thornton <j...@gnipsel.com> wrote:

> I use clonezilla to clone drives. The only caveat is either both drives
> have to be the same size or you have to use the advanced option and tell
> it to ignore the size of the target drive.
>
> JT
>
> On 5/2/2016 6:58 AM, Rick Lair wrote:
> > Good Morning All,
> >
> > I recently purchased one of these,
> > http://www.newegg.com/Product/Product.aspx?Item=N82E16817707380 in order
> > to build new systems for the machines, ( to avoid having another PC half
> > torn down on my table to quickly insert and remove the hard drives) and
> > work with other HDD and SSD's lying around, my question is, what is the
> > best way to create a new system on a blank SSD using a device like this?
> >
> >
>
>
>
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[Emc-users] R: Clone a HD

[Alex Chiosso]

Try to use Clonezilla. ;-)

- Messaggio originale -
Da: "John Thornton" 
Inviato: ‎20/‎02/‎2016 12:38
A: "EMC Mailing List" 
Oggetto: [Emc-users] Clone a HD

I see two ways to clone a HD on the web one using dd and one using tar.

Boot from the live cd. Mount your destination media to (say) /mnt.

dd if=/dev/sd whatever of=/mnt/mybackup.ddimg

In this case what do they mean by mount?

Mount the source to /mnt, mount the destination to /home (say)

tar cvfpz /home/mybackup.tar.gz   /mnt

does this tar create a copy of the whole disk?

Thanks
JT

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Re: [Emc-users] How to find old Bosch drive manuals?

[alex chiosso]

Hi Marius.
Do you have a picture of the drive and the whole electrical cabinet ?
The drive should be a Bosch Servodyn but as you noticed it's quite
difficult to find out any docs.
This mainly because the SPM coding for Bosch (Rexroth-Indramat) means a
generic usage for Spindle application.
Do you have any electrical drawings about the machine you're refering to ?
Is the spindle command (from the cnc) analog , digital (fieldbus) or what
else ?

Regards :-)

On Sat, Jan 23, 2016 at 12:41 AM, Marius Alksnys 
wrote:

> I am looking to retrofit machine(s) with LinuxCNC which have spindle
> drive with writings on it:
> Bosch SPM 25-T/A
> 052313 - 109
> DC 520V 25A
>
> Can't find any docs for it.
>
>
>
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Re: [Emc-users] How to find old Bosch drive manuals?

[alex chiosso]

Marius if you will get the wiring schematic this will be sure a big help to
understand how to approach the retrofit in the right way.
The cabinet is in any case in a good shape and very well integrated from
the original manufacturer.
Check out as much as possible what there are as "options" on the machine
and the CNC functions as well.
The analog command to the drives maybe is 9V==max speed in order to get 1V
for the extra speed/position loop correction. You can check it out in some
way.
If there is a probe for the tool setting or for the piece setting check it
out witch type it is and how it is connected to the fast I/O system of the
actual CNC.
Have fun with this potential retrofit.



On Sat, Jan 23, 2016 at 7:46 PM, Marius Alksnys 
wrote:

> Alex, you found out more in less time and from part of the info I had :)
>
> I see there are external Heidenhain EXE, which can stay there, unless I
> would replace servo drives to something like stmbl. I haven't noticed
> linear scales yet, maybe next time I will look for them.
>
> I was assured I will get wiring schematic.
>
> I hope I will be able to throw out some of those I/O's. I know this will
> be a massive number of them to use anyway.
>
> Those on the bottom.. might be brake resistors, didn't check.
>
> It is in decision state now: to do or not to do a retrofit :)
>
> > Hi Marius.
> > What is good to see is that you have about the complete documentation
> > needed.
> > I do believe that if you will find the electrical cabinet wiring
> schematic
> > you should be able to do this massive job.
> > This machine is equipped with quite a big PLC with many I/O (so automatic
> > tool changer and many other auxiliary devices).
> > I see also the brake resistors for the axis and/or the spindle drive in
> the
> > bottom cabinet isn't it?
>
>
> > This type of CNC (that you will replace) should be a single channel
> (single
> > process) architecture so LCNC is a good candidate for the replacement.
> > Do you have linear scales to close the position loop on the linear axis?
> > If yes maybe are Heidenhein branded.
> > I see that the actual CNC have the servo card module with integrated EXE
> > that is suited for the linear scales. How do you solve this issue with
> LCNC?
> > Anyway you have a nice challenge to perform.
> > Please let us know your progress on this project. ;-)
> >
> > Regards
>
>
>
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Re: [Emc-users] How to find old Bosch drive manuals?

[alex chiosso]

Hi Marius.
What is good to see is that you have about the complete documentation
needed.
I do believe that if you will find the electrical cabinet wiring schematic
you should be able to do this massive job.
This machine is equipped with quite a big PLC with many I/O (so automatic
tool changer and many other auxiliary devices).
I see also the brake resistors for the axis and/or the spindle drive in the
bottom cabinet isn't it?
This type of CNC (that you will replace) should be a single channel (single
process) architecture so LCNC is a good candidate for the replacement.
Do you have linear scales to close the position loop on the linear axis?
If yes maybe are Heidenhein branded.
I see that the actual CNC have the servo card module with integrated EXE
that is suited for the linear scales. How do you solve this issue with LCNC?
Anyway you have a nice challenge to perform.
Please let us know your progress on this project. ;-)

Regards


On Sat, Jan 23, 2016 at 5:31 PM, Marius Alksnys <marius.alks...@gmail.com>
wrote:

>
>
> 01/23/2016 10:43 AM, alex chiosso rašė:
> > Hi Marius.
> > Do you have a picture of the drive and the whole electrical cabinet ?
> > The drive should be a Bosch Servodyn but as you noticed it's quite
> > difficult to find out any docs.
> > This mainly because the SPM coding for Bosch (Rexroth-Indramat) means a
> > generic usage for Spindle application.
> > Do you have any electrical drawings about the machine you're refering to
> ?
> > Is the spindle command (from the cnc) analog , digital (fieldbus) or what
> > else ?
> >
> > Regards :-)
>
> Hi, Alex :)
>
> Here are the photos and docs I found:
>
> https://drive.google.com/folderview?id=0Bx5r7yxJ8GWDYkpMMHh2VWR5M00=sharing
>
> I found manuals for servo drives, but not for spindle drive.
>
> I hope I will get electric schematics of the machine.
>
> Spindle drive is controlled by analog voltage.
>
> Kind regards!
>
>
>
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Re: [Emc-users] VFD Tweaking

[alex chiosso]

Hi Andy.
Did you fit the proper values for the paramters Group 1 and 2 ?
This VFD seem to have no selftuning procedure isn't it ?
In any case I do believe that the VFD is maybe too small for the motor
you're running (old type).
Have you tried to measure the motor current value drived without the VFD ?
In the VFD parameters you can setup the maximum current on the motor and
the VFD should protect itself from an overload (or it should do).

Regards

On Thu, Jan 7, 2016 at 3:32 PM, Dave Caroline 
wrote:

> My old Adcock and Shipley mill motor has some of those larger horses,
> two dead VFDs so far.
>
> Dave Caroline
>
> On 07/01/2016, andy pugh  wrote:
> > My lathe has a 3HP motor driven by a 3hp VFD.
> > There is also a Kopp Variator variable speed drive, and a 2-speed
> > gearbox with electromagnetic clutches.
> >
> > Running at 50Hz it thus has two speeds, 10-500rpm and 80-3000 rpm.
> >
> > The VFD works fine in the lower range, but in the higher speed range,
> > unless the variator is wound down to a low speed, the VFD current
> > reaches 18A and the VFD trips out.
> >
> > I am wondering if the 1968 3hp motor was made of bigger horses than
> > the 2015 3hp VFD.
> >
> > I further wonder if I can change the V/F curve to keep the motor
> > current inside the limits of the VFD. Does that seem reasonable, or
> > will the motor simply run slower, make less back-emf and sink even
> > more current?
> >
> > This might be a link to the manual
> > http://www.lovatoelectric.com/HandlerDoc.ashx?s=I365GB12_12.pdf=119
> >
> > --
> > atp
> > If you can't fix it, you don't own it.
> > http://www.ifixit.com/Manifesto
> >
> >
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Re: [Emc-users] Rookie question - what to get to run LinCNC easily/inexpensively

[alex chiosso]

Hi Claude.
Did you tried to use a PS2 mouse and keyboard so you can disable the usb
ports and see if the latency spikes are still there ?

Regards

Alex

On Tue, Oct 13, 2015 at 8:05 AM, Karlsson & Wang <
nicklas.karls...@karlssonwang.se> wrote:

> > ...
> > Have you guys found anything in particular that might cause latency
> spikes
> > that I'm seeing? I installed 2.7-Wheezy from the pre-built live/install
> ISO
> > and I'm using the onboard video. No extra hardware besides a USB mouse
> and
> > keyboard.
> > Also, I'm planning to get a Mesa 5i25 so maybe the latency isn't a
> problem?
> >
> > regards,
> > - Claude
>
> I have been thinking about moving the control loop from the PC to the
> motor driver and then latency would be less of a problem. The motor driver
> I use run a control loop at 40kHz while linuxcnc position control loop run
> at 1kHz but with position control in motor driver and linear interpolation
> I guess 100Hz for linuxcnc control loop would be enough.
>
> Nicklas Karlsson
>
>
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[Emc-users] R: R: A lot of input/output. Cheap

[Alex Chiosso]

If you would like a 'personal" usage machine you can try what ever Solution 
should work.
But if you are searching For a reliable industrial grade Solution you have to 
spend some Money. This is my experience on that specific argument. Sometimes 
cheap is not good. ;-)

- Messaggio originale -
Da: "Karlsson & Wang" 
Inviato: ‎22/‎09/‎2015 19:28
A: "Enhanced Machine Controller (EMC)" 
Oggetto: Re: [Emc-users] R:  A lot of input/output. Cheap

> Hi Sven.
> It is a small machine but in any case I suggest to you to use a plc in stead 
> on LCNC.
> I mean it is possibile to do it even with LCNC but will be much difficult.
> I did many injection  molding machine retrofit (the electric and Electronic 
> and software part) and a plc+hmi is the much confortable solution.
> Realtime is needed as per machine cycle control (you have to be deterministic 
> for a precise and reliable control).
> A 10ms task can be acceptable.
> I personally made a hw and sw package with Schneider Electric plc M258 and 
> hmi Magelis GTO 10"" touch screen plus a software Application that I 
> personally developed.
> But if you have time to spend and less money you cam try LCNC + MODBUS IO . 
> ;-)

I would say HMIs are quite exensive comparted to slightly outdated PC, what do 
you say about that?

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[Emc-users] R: A lot of input/output. Cheap

[Alex Chiosso]

Hi Sven.
It is a small machine but in any case I suggest to you to use a plc in stead on 
LCNC.
I mean it is possibile to do it even with LCNC but will be much difficult.
I did many injection  molding machine retrofit (the electric and Electronic and 
software part) and a plc+hmi is the much confortable solution.
Realtime is needed as per machine cycle control (you have to be deterministic 
for a precise and reliable control).
A 10ms task can be acceptable.
I personally made a hw and sw package with Schneider Electric plc M258 and hmi 
Magelis GTO 10"" touch screen plus a software Application that I personally 
developed.
But if you have time to spend and less money you cam try LCNC + MODBUS IO . ;-)



- Messaggio originale -
Da: "Karlsson & Wang" 
Inviato: ‎22/‎09/‎2015 15:56
A: "Enhanced Machine Controller (EMC)" 
Oggetto: Re: [Emc-users] A lot of input/output. Cheap

> > Hi Sven.
> > Can you send a picture of the machine you have to retrofit ?
> > Is it an injection moulding machine ?
> > If yes how many tons is the closing clamp force and how many heating zones
> > have the injection barrel/chamber ?
> >
> > Regards.
> >
> > Alex
> >
> > Here you go.
> https://c2.staticflickr.com/6/5652/20606563013_d2a911f7e7_b.jpg
> 
> It's a really nice machine, a Stübbe that has been running extremely fine
> moulds. I can even rotate the moulding line to vertical position. I am
> actually thinking of ripping the machine a part and make a new base with
> the clamps fixed in vertical position to save space.

I also have an old injection mould machine I plan to retrofit. But I also have 
other problems power supply is limited so fuses will before correct pressure is 
reached.

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Re: [Emc-users] A lot of input/output. Cheap

[alex chiosso]

Hi Sven.
Can you send a picture of the machine you have to retrofit ?
Is it an injection moulding machine ?
If yes how many tons is the closing clamp force and how many heating zones
have the injection barrel/chamber ?

Regards.

Alex

On Tue, Sep 15, 2015 at 11:41 PM, John Thornton  wrote:

> The cheapest PLC that AD sells is the Click, the software is free but
> the programming cable is $50 so  for $120 you can get 8 inputs and 6
> outputs a 7i64 is 24 outputs and 24 inputs for $198 and you don't
> need a programming cable. ClassicLadder looks mighty good when you can
> see the bits and timers in a pyvcp window.
>
> JT
>
> On 9/15/2015 8:27 AM, Ralph Stirling wrote:
> > Much as I like LinuxCNC, Mesa cards, and even Arduino's occasionally,
> > I'd go straight to AutomationDirect and get an inexpensive PLC for this
> > job.  It would already handle all the 24v I/O, have a very clean and
> complete
> > ladder logic, with good state machine methods.
> >
> > -- Ralph
> > 
> > From: Sven Wesley [svenne.d...@gmail.com]
> > Sent: Tuesday, September 15, 2015 6:12 AM
> > To: Enhanced Machine Controller (EMC)
> > Subject: Re: [Emc-users] A lot of input/output. Cheap
> >
> > 2015-09-15 14:16 GMT+02:00 andy pugh :
> >
> >> On 15 September 2015 at 13:03, Carsten Presser 
> wrote:
> >>
> >>> the big advantage of the mesa-boards is that they are well suited to
> >>> drive relays and other kinds of devices.
> >>> An Arduino or similar board only has TTL or CMOS IOs which need to get
> >>> adapted to your actual IO voltages/currents.
> >> Also, thinking about it, an Aduino Mega is no cheaper than a 7i90
> >>
> >>
> http://store.mesanet.com/index.php?route=product/product_name=7i90_id=291
> >> That has the same IO voltage problems as the Arduino, but plugs
> >> straight in to LinuxCNC (EPP Parport) and realtime HAL.
> >> http://linuxcnc.org/docs/html/man/man9/hm2_7i90.9.html
> >>
> >>
> > Don't get me wrong, I like Mesa. A Mesa board is not cheaper than a Mega.
> > You can order a clone on eBay for less
> > <
> http://www.ebay.co.uk/itm/New-ATmega2560-16AU-Improved-version-CH340G-MEGA2560-R3-Board-For-Arduino-SWTG-/231616834408?hash=item35ed706b68
> >
> > than
> > half. I have a few of those and they work as expected. There are Arduino
> > relay boards out there as well. I will get all the relays needed
> > <
> http://www.ebay.co.uk/itm/New-8-Channel-5V-Relay-Module-Board-for-Arduino-PIC-AVR-MCU-DSP-ARM-UK-/151105724470
> >
> > and the Arduino board, still for less money than one 7i90. But I prefer
> > opto isolated heavy duty solid state relays for this instead of tiny
> > mechanical relays on a small board. You should see the relay panel inside
> > the machine, the relays are like bricks...
> >
> > I think your suggestion with the HAL/Arduino library will be the cheapest
> > possible and more than good for this application, I will try it for sure!
> > With some small tweaks it will be fine for a Mega board and I should have
> > enough I/O.
> > Thanks!
> >
> > /S
> >
> --
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> >
> --
> > ___
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> > https://lists.sourceforge.net/lists/listinfo/emc-users
>
>
>
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Re: [Emc-users] minimum spindle speed

[alex chiosso]

Hi Tom.
Have you tried to configure the VFD in Sensorless Vector Mode ?
Please can you detail the brand and code manufacturer of your VFD ?

Alex

On Tue, Jun 23, 2015 at 9:44 AM, Karlsson  Wang 
nicklas.karls...@karlssonwang.se wrote:

 If spindle motor is an asynchronous motor and simple voltage frequency
 control. Are your sure voltage frequency characteristics are correctly set?

 If motor get hot on low RPM even then not loaded you will almost certainly
 use to high voltage.


 Nicklas Karlsson



 On Mon, 22 Jun 2015 13:48:23 -0400
 Tom Easterday tom-...@bgp.nu wrote:

  I am controlling a spindle motor with a VFD commanded by modbus.  My
 current speed range is 0-3500 rpm.  If I run the spindle below 275 rpm the
 current spikes and triggers the VFD’s protection shutoff.  How do I set the
 minimum spindle speed so that the user can’t command a speed below 275rpm?
  -Tom
 
 
 
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Re: [Emc-users] How to delay spindle-at-speed

[alex chiosso]

Hi to all.
Andy , please , can you be more precise on this definition :

 It reads that way, but that isn't how it runs. Every component reads
 its inputs and updates its outputs exactly in the order they are
 addf-ed to a thread, and they do that every time the thread runs.


And when an where the logic elaboration should be ?
I mean is it something like this (as I understand from the above
enunciation) ?

- read component input
- update/write of the component output of the previous scan (thread
elaboration)
- elaboration of the HAL logic

or it is

- read component input
- elaboration of the HAL logic
- update/write of the component output

or it is something different 

Regards

Alex


On Fri, May 15, 2015 at 2:49 AM, Gene Heskett ghesk...@wdtv.com wrote:

 On Thursday 14 May 2015 14:11:22 Scott Salrin wrote:
  Andy, it certainly flows like programming... Maybe I'll try charting
  like John suggests. I never was any good at logic...

 Duh.  Guys, do we dare mention rockhopper to this new bee?
 
  On Thu, May 14, 2015 at 12:00 PM, Andy Pugh bodge...@gmail.com wrote:
On 14 May 2015, at 17:36, John Alexander Stewart
ivatt...@gmail.com
  
   wrote:
Scott - Hal was a bit of a problem to learn for me, too. But then
one day it clicked and now it's not really a problem
  
   It possibly helps to realise that it isn't a programming language,
   even if it looks like one.
   A HAL file is a definition of how signals pass between various
   drivers and linuxcnc, optionally through other blocks that do things
   to or with the numbers.
  
   
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Re: [Emc-users] How to delay spindle-at-speed

[alex chiosso]

Hi Andy , thank you for the reply.
It's not the matter of change the discussion object .
But when somebody as expert as you are is writing an important concept I
would like to understand it properly.
Sorry ...


On Fri, May 15, 2015 at 10:57 AM, andy pugh bodge...@gmail.com wrote:

 On 15 May 2015 at 07:26, alex chiosso achio...@gmail.com wrote:

  And when an where the logic elaboration should be ?

 There isn't any HAL logic elaboration as you seem to be describing it.

 All the HAL logic is handled by individual components. Those
 components read their inputs and update their outputs one by one in
 the order they are placed in the thread.

 (Some components have more than one function and strictly-speaking
 it is the functions that execute in the order they are added to the
 thread)

 What I am saying is that there is that the sequence that things appear
 in the HAL files has little bearing on the sequence in which they
 happen.
 When LinuxCNC starts it reads through all the HAL files in sequence
 and sets up all the HAL connections. This is a one-time process at
 startup, and from that point on the HAL file is not looked at again.
 It is a mistake to imagine that the HAL file is somehow interpreted
 every cycle as some people seem to. This is why it isn't a programming
 language.

 If there are two HAL files, and the first contains:

 addf parport.0.read thread1
 addf and2.0  thread1
 addf parport.0.write

 and a the second contains

 addf or2.0

 Then the sequence is that the parport is scanned and the
 parport.0.pin-in-NN pin values are updated
 Then the and2.0 funsction runs, reading its inputs and updating the outputs
 Then the parport.0.write function runs, updating the voltages on the
 parport output pins.
 Then the or2.0 function runs, reading its inputs and writing its outputs.

 I rather worry that my original intention of trying to make HAL
 simpler to understand has just become subverted by discussion of
 technical details that were not part of the original question at all.


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Re: [Emc-users] problem setting appropriate speeds in joint and world mode for 6 axis robot with genserkins

[alex chiosso]

Well done Christian ! ;-)

Alex

On Mon, May 4, 2015 at 6:00 PM, Christian Stöveken 
christian.stoeve...@gmail.com wrote:

 On Mon, May 4, 2015 at 3:38 PM, Andrew pkm...@gmail.com wrote:

  2015-05-04 13:40 GMT+03:00 Christian Stöveken 
  christian.stoeve...@gmail.com
  :
 
   Which one of the joints axis branches in the linuxcnc git would that
 be?
   (joints_axes7?)
  
   Or even one from a different repository?
  
   Also - is there a sample config (adapted Puma config?) for a 6 axis
 robot
   for joints_axes?
https://lists.sourceforge.net/lists/listinfo/emc-users
  
 
  I've heard that joints_axes7 works pretty well. But haven't tried it
 myself
  yet.
  IIRC there's a script in JA that will suggest to convert your existing
  config to JA format when loading.
 
 
 
 I will try setting it up some time soon ;-)

 Some pictures
 
 https://excogitation.de/exccloud/public.php?service=filest=RbW4iciiBKIRV2M
 
 of
 the first actual milling task (still with genserkins/master).

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Re: [Emc-users] New Debian install does not include Gedit

[alex chiosso]

Hi Belli.

I've installed the Debian Wheezy LCNC and I was surprised that Gedit wasn't
installed by default.
As an alternative editor I've installed Geany http://www.geany.org/ that
is much better than Gedit (this is my opinion ;-) ).
The only one disadvantege I've found is that Geany doesn't have the NC code
highlight.
But in any case you can install Gedit if you want from the command line
with sudo apt-get install gedit.

Alex

On Wed, Apr 1, 2015 at 11:30 AM, Belli Button be...@iafrica.com wrote:

 New Debian install CD does not include Gedit (even though it's the
 preferred
 LCNC editor)?

 Bellisimo



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Re: [Emc-users] New Debian install does not include Gedit

[alex chiosso]

If someone is able to add the nc code highlighting many people will really
appreciate it.;-)

On Wed, Apr 1, 2015 at 5:51 PM, Kyle Kerr ker...@gmail.com wrote:

 I noticed a couple of mentions that geany doesn't have nc highlighting.
 Adding it shouldn't be much of an issue. Heck, someone may already have the
 config available.
 On Apr 1, 2015 11:28 AM, Kirk Wallace kwall...@wallacecompany.com
 wrote:

  On 04/01/2015 06:33 AM, Gene Heskett wrote:
 
  ... snip
   My distaste for gedit is because gedit probably cost me 2 extra weeks
   getting my lathe running with a 5i25 card because of its propensity to
   copy a line, or several lines of .hal stuff, into the middle of other
   lines of .hal stuff,
  ... snip
 
  I have had this happen to me and it seems my mouse wheel is the source
  of trouble. The wheel is also the middle button which seems to have a
  paste function. When I use the wheel to scroll through a file there is a
  risk that turning the wheel also trips the middle button. One time, I
  pasted an e-mail reply several times into a large Python file.
  Sometimes, it can take weeks to discover the error. I've tried changing
  all my mice to ones without wheels, but they are too handy for scrolling
  and some software requires a wheel. I suppose I should figure out how to
  disable the wheel button function.
 
 
  --
  Kirk Wallace
  http://www.wallacecompany.com/machine_shop/
  http://www.wallacecompany.com/E45/
 
 
 
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Re: [Emc-users] Modbus RS-485 Connection with Mesa?

[alex chiosso]

Hi Mark .
Be careful with this kind of adapters because they are not optocoupled .
If your application is an industrial grade I will spend some more money and
buy something like the Advantech converter/adapter you linked above.
Do you really need to have two separate Modbus network ?

Alex

On Wed, Apr 1, 2015 at 6:39 PM, Sebastian Kuzminsky s...@highlab.com wrote:

 On 4/1/15 10:26 AM, Mark Johnsen wrote:
  The love controller has a -995 option, which is RS232.  But, there are 2
  controllers and there's no addressing for the rs-232 version from what I
  saw.  I thought maybe you could daisy chain them, but seems you can only
  address the RS-485 version.

 Right, RS232 is point-to-point, with no good options for multi-point
 expansion.

 Once you embrace USB you could get a $10 USB hub and two USB-toRS232
 adapters.

 Or possibly something like this could work (i have no experience with
 it):

 http://www.amazon.com/KEDSUM%C2%AE-Converter-Adapter-ch340T-Support/dp/B009SIDMNM


  PS - what reader do you use for this mailing list to get the 
 inserted?
  I simply have been using gmail and recall posts a long time ago on better
  readers, but I couldn't find it when I searched?  Also, I think one of
 the
  reader will keep the posts in one thread.

 I use Thunderbird (called icedove on debian).


 --
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Re: [Emc-users] Modbus RS-485 Connection with Mesa?

[alex chiosso]

I do believe that you can use LCNC with a usb to RS485 converter and the
Modbus protocol by ClassicLadder softplc built into LCNC or the mb2hal
component.

Alex
Il giorno 01/apr/2015 23:04, Mark Johnsen m...@ijohnsen.com ha scritto:

 Alex,

 Yes, the application is industrial grade, but it is quite simple (2 axes of
 motion).  I only need 1 modbus network to two temp controllers.  Since
 there are 2, that rules out '1' RS-232 network, but I can use '1' RS-485
 network.  Or Seb's USB setup would work.

 I did see on the mesa site the 7I34 8 channel RS-422/485 interface for
 Anything I/O.  I would think that would work.

 Your comment about industrial grade is my concern about using LinuxCNC at
 all.  I figure I can try it and if I run into issues I can slap in a brick
 PLC (omron, panasonic, etc) w/ some option cards, but that is much more
 expensive and less flexible in the long run.  I look at LinuxCNC w/ so much
 potential and it combines the control and HMI into one piece.  I realize it
 is not a traditional industrial control solution.  If you think I'm crazy
 for doing this, let me know now...


 

 SEB - I can embrace USB.  I just thought that was looked down upon due to
 the lack of real-time nature of USB ports?   Although, I don't really need
 real-time here for temp control.  Just updating and current temp feedback.

 I think for the price of the mesa board, that seems like a good option and
 more trustworthy than the Amazon USB part. Just my 2 cents..

 Thanks all for your feedback,
 Mark

 Hi Mark .
 Be careful with this kind of adapters because they are not optocoupled .
 If your application is an industrial grade I will spend some more money and
 buy something like the Advantech converter/adapter you linked above.
 Do you really need to have two separate Modbus network ?

 Alex

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Re: [Emc-users] Velocity closed loop + Position losed loop on an axis

[alex chiosso]

Hi Leonardo.
If you want to perform a closed loop position system as you said you need
the inner speed closed loop.
I do believe that can be quite difficult to perform both closed loops
within LCNC with the expected accuracy.
The VFD that you are using is a sensor less vector control type (that is
why you have to close the speed loop outside the VFD).
This kind of VFD are not the right product to run a servo system (as you
already know) also because you should drive an asynchronous induction motor
that is not usually suited for that porpouse.
I'm not a LCNC guru  but at least I've always used a vector VFD with
encoder feedback tied from the motor to the VFD with the encoder simulation
feedback connected to the axis module .

Alex


On Wed, Mar 25, 2015 at 6:45 PM, Leonardo Marsaglia 
leonardomarsagli...@gmail.com wrote:

 Hello to all!

 I just managed to turn the second motor of my machine (another AC motor
 with a Powerflex 40 drive) and works just fine for positioning the part.
 Tomorrow I'll be uploading some videos.

 Although I need to do some fine tuning on both the rotary and the linear
 axis I was thinking about a concept to improve the accuracy of the servo
 loops.

 As I have seen on many machines including the Mazak that we have here, the
 servo systems close the velocity loop within the servo drive, and then the
 CNC applies a voltage to control the velocity of the motor based on the PID
 of the position loop.

 So as I see it, it's like there is one pid nested inside the other, or sort
 of. Now the VFDs that I'm using can close the velocity loop but I would
 have to use a special module for that.

 My question is, based on your experience. Could this improve the accuracy
 of the joints? I guess this could be done within LinuxCNC without closing
 the loop on the VFDs.

 Thanks as always for your help!!

 --
 *Leonardo Marsaglia*.

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Re: [Emc-users] Velocity closed loop + Position losed loop on an axis

[alex chiosso]

How are you managing the positioning right now?
Are you using limit switches or incremental encoder or something else?
Il giorno 25/mar/2015 19:45, Leonardo Marsaglia 
leonardomarsagli...@gmail.com ha scritto:

 2015-03-25 15:07 GMT-03:00 alex chiosso achio...@gmail.com:

  Hi Leonardo.
  If you want to perform a closed loop position system as you said you need
  the inner speed closed loop.
  I do believe that can be quite difficult to perform both closed loops
  within LCNC with the expected accuracy.
  The VFD that you are using is a sensor less vector control type (that is
  why you have to close the speed loop outside the VFD).
  This kind of VFD are not the right product to run a servo system (as
 you
  already know) also because you should drive an asynchronous induction
 motor
  that is not usually suited for that porpouse.
  I'm not a LCNC guru  but at least I've always used a vector VFD with
  encoder feedback tied from the motor to the VFD with the encoder
 simulation
  feedback connected to the axis module .
 

 Hello Alex and thanks for the answer.

 Well, I know this is not the best solution to drive a servo system, but
 since this is not a really accurate machine, because I only need to
 position a coil for induction heating, I can live with that. Also now It's
 working pretty well considering these limitations.

 Anyway I was investigating this because If I can manage to get better
 results with this system I would love to achieve them.






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Re: [Emc-users] Velocity closed loop + Position losed loop on an axis

[alex chiosso]

Looks really good.
I've understood that you're running the axis with position open loop
control.
Am I wrong?
Il giorno 25/mar/2015 20:52, Leonardo Marsaglia 
leonardomarsagli...@gmail.com ha scritto:

 2015-03-25 16:46 GMT-03:00 alex chiosso achio...@gmail.com:

  How are you managing the positioning right now?
  Are you using limit switches or incremental encoder or something else?
 

 Now I'm using incremental encoders on both axis and I'm finishing the setup
 with LinuxCNC. For the linear axis the maximum error is like 0.1 mm wich is
 really good considering the setup and also considering the accuracy that I
 need.

 The other one I'm going to make some tuning tomorrow and I'll be telling
 you. Also tomorrow I'll be uploading some videos of the machine running.


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Re: [Emc-users] Simple, adjustable timer

[alex chiosso]

Hi Viesturs.

Finally I can send to you the HAL component for the blink function as I
explained before.
This is my first component I wrote  so for sure somebody else can do it
better than I did .
Anyway let me know if this component is useful for your needs (for me it
is) . ;-) .
You have to add one or more instances of the component to the servo thread
(1ms).

Regards

Alex


On Mon, Mar 23, 2015 at 10:49 AM, Mark Wendt wendt.m...@gmail.com wrote:

 On Mon, Mar 23, 2015 at 5:41 AM, Erik Christiansen 
 dva...@internode.on.net
 wrote:

  On 23.03.15 05:07, Mark Wendt wrote:
   Slightly off-tangent here.  There's an explanation line in the second
   paragraph of 1.1 Basic Concepts:
  
   If you are a logic kinda guy the line says If B0 is off AND either B1
 OR
   Q0 is on then coil Q0 is on.
  
   Shouldn't that be:
  
   If you are a logic kinda guy the line says If B0 is on AND either B1
  OR
   Q0 is on then coil Q0 is on.
  
   According to the paragraph above this, B0 is normally closed.  With B0
   off, or open, and either B1 or Q0 is on, then coil Q0 should be off.
 
  Though I am a logic kinda guy, not a ladder wielder, I interpret the
  off to refer to the B0 coil, not one of its contacts, which may be NC
  or NO. That makes a NC contact an inverted output which is a 1 when the
  input is 0.
 
  Does that realign the planets?
 
  Erik
 

 I'm a comp sci kinda guy, so I'm familiar with logic too.  ;-)

 According to the description, B0 and B1 are switches, not relays.  Q0 is
 the relay.  And it also says in the description B0 is normally closed.  So,
 with that in mind, is normally closed off, and open on?

 Mark

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blink.comp
Description: Binary data
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Re: [Emc-users] Simple, adjustable timer

[alex chiosso]

Hi Viesturs.
The component has its own doc embedded into the comp file.
So if you install it completely you will have the man page available into a
terminal window.

Alex

On Mon, Mar 23, 2015 at 3:25 PM, Viesturs Lācis viesturs.la...@gmail.com
wrote:

 Thank you very much, looks really good!

 Viesturs


 2015-03-23 12:51 GMT+02:00 alex chiosso achio...@gmail.com:
  Hi Viesturs.
 
  Finally I can send to you the HAL component for the blink function as I
  explained before.
  This is my first component I wrote  so for sure somebody else can do
 it
  better than I did .
  Anyway let me know if this component is useful for your needs (for me it
  is) . ;-) .
  You have to add one or more instances of the component to the servo
 thread
  (1ms).
 
  Regards
 
  Alex
 
 
  On Mon, Mar 23, 2015 at 10:49 AM, Mark Wendt wendt.m...@gmail.com
 wrote:
 
  On Mon, Mar 23, 2015 at 5:41 AM, Erik Christiansen 
  dva...@internode.on.net
  wrote:
 
   On 23.03.15 05:07, Mark Wendt wrote:
Slightly off-tangent here.  There's an explanation line in the
 second
paragraph of 1.1 Basic Concepts:
   
If you are a logic kinda guy the line says If B0 is off AND either
 B1
  OR
Q0 is on then coil Q0 is on.
   
Shouldn't that be:
   
If you are a logic kinda guy the line says If B0 is on AND
 either B1
   OR
Q0 is on then coil Q0 is on.
   
According to the paragraph above this, B0 is normally closed.  With
 B0
off, or open, and either B1 or Q0 is on, then coil Q0 should be
 off.
  
   Though I am a logic kinda guy, not a ladder wielder, I interpret the
   off to refer to the B0 coil, not one of its contacts, which may be
 NC
   or NO. That makes a NC contact an inverted output which is a 1 when
 the
   input is 0.
  
   Does that realign the planets?
  
   Erik
  
 
  I'm a comp sci kinda guy, so I'm familiar with logic too.  ;-)
 
  According to the description, B0 and B1 are switches, not relays.  Q0 is
  the relay.  And it also says in the description B0 is normally closed.
 So,
  with that in mind, is normally closed off, and open on?
 
  Mark
 
 
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Re: [Emc-users] Simple, adjustable timer

[alex chiosso]

Hi Viesturs.
I made a custom HAL component that I called blink that I used for
adjustable on and off period for lamp blinking but can be used to
create adjustable duty cycle .
It's quite simple but effective and for sure you can do it better.
If you are interested I can give it
but only next Monday because I'm far from the office at the moment.

Regards

Alex
Il giorno 21/mar/2015 16:46, andy pugh bodge...@gmail.com ha scritto:

 On 21 March 2015 at 14:22, Viesturs Lācis viesturs.la...@gmail.com
 wrote:

  So the question is - what HAL modules could I use? The thing is that
  user has to be able to adjust on and off periods from a vcp panel.

 While agreeing that a sensor would be better, it sounds like you could
 use a very low-frequency software pwmgen.


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Re: [Emc-users] Simple, adjustable timer

[alex chiosso]

Hi Viesturs.
I will provide it for you as soon as possible.

Alex
Il giorno 21/mar/2015 17:05, Viesturs Lācis viesturs.la...@gmail.com ha
scritto:

 2015-03-21 17:58 GMT+02:00 alex chiosso achio...@gmail.com:
  Hi Viesturs.
  I made a custom HAL component that I called blink that I used for
  adjustable on and off period for lamp blinking but can be used to
  create adjustable duty cycle .
  It's quite simple but effective and for sure you can do it better.
  If you are interested I can give it
  but only next Monday because I'm far from the office at the moment.
 

 Thank you! I would really appreciate that, sounds like a perfect fit
 for the task.


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Re: [Emc-users] new prerelease: 2.7.0~pre3

[alex chiosso]

Thank you so much for all the efforts, time and passion filled into this
project.

Alex :-)
Il giorno 20/feb/2015 05:31, Sebastian Kuzminsky s...@highlab.com ha
scritto:

 We just reached a milestone in the ongoing work to stabilize the 2.7
 branch in preparation for the upcoming 2.7.0 release.  I present to you
 the 2.7.0~pre3 pre-release.

 The 2.7 branch contains a couple of significant improvements over the
 current stable 2.6 branch.  First among these is a new, faster
 trajectory planner developed by Rob Ellenberg (sponsored by Tormach),
 and Sam Sokolik.  The other major new feature is support for the
 RT-Preempt realtime kernel, developed by Jeff Epler.

 A ton of work has gone into this pre-release: fixing bugs, polishing
 rough edges, and improving the documentation.

 This pre-release is recommended for anyone who wants to try out the new
 highly anticipated features, or who wants to help test out the next
 stable version of LinuxCNC and report any bugs they find.

 The highlights of this pre-release are:

 * add moveoff, a simple jog-while-paused implementation
 * add uspace support to gm6 driver
 * removed probe_parport, it's no longer needed
 * fix an I/O region resource leak in RTAPI
 * fix several GUI bugs
 * fix several bugs in the new trajectory planner
 * hm2: fix bugs in EPP driver, Ethernet driver, and sserial driver
 * fix a dropped MDI bug in Task
 * improved docs
 * NML: implement command queue with reliable reception
 * improved test coverage


 Some demos of the new moveoff jog-while-paused feature are here:

 https://www.youtube.com/watch?v=KY6hx7WBkO8
 https://www.youtube.com/watch?v=XGDq6620fPQ


 Instructions for making fresh installs:

 http://linuxcnc.org/docs/2.7/html/getting-started/index.html#_getting_linuxcnc

 Instructions for upgrading from 2.6:

 http://linuxcnc.org/docs/2.7/html/getting-started/index.html#_updating_linuxcnc

 If you are upgrading to 2.7.0~pre3 from LinuxCNC 2.6 or from an earlier
 pre-release of 2.7, you may need to update your machine configs.
 Details here:

 http://linuxcnc.org/docs/2.7/html/getting-started/index.html#_updating_your_config


 Credits go to the folks who have been developing the new features 
 fixing the new (and old!) bugs, testing the new code  reporting bugs,
 helping out on the forums, mailing lists, and irc, and improving the
 documentation.

 The folks who committed to 2.7.0~pre3 are:

 * Andrew Kyrychenko
 * andy pugh
 * Bence Kovacs
 * Chris Morley
 * Chris Radek
 * Dewey Garrett
 * Jeff Epler
 * John Thornton
 * Michael Geszkiewicz
 * Mick (Arceye)
 * Moses McKnight
 * Norbert Schechner
 * Robert W. Ellenberg


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Re: [Emc-users] Servo Drive Help?

[alex chiosso]

Hi Todd.
I'm italian but I don't know anything about this drive.
The manufacturer company is small and the product seem to be a sort of
custom made (maybe for the stop manufacturer) .
The documentation pdf that you posted is not sufficient to understand how
to connect properly the drive.
The rs-485 serial line maybe it's not a modbus compliant communication.
The drive should have a +/-10Vdc command voltage (speed command control)
but you need to understand if the dc motor have a  tachometer for the speed
feedback or the motor is controlled for the speed loop using the encoder
showed on the electrical drawing .
The drive documentation is just a concise information about it , not really
usable.
The only chance that you have is to try to contact again the Easys (drive
manufacturer) in order to get the complete documentation (if it really
exist) .

Alex

On Thu, Feb 5, 2015 at 5:06 PM, Todd Zuercher zuerc...@embarqmail.com
wrote:

 Does anyone know anything about one of these drives?
 http://www.easys.it/prod_file/azionamento_dc_ind.pdf
 I don't know Italian, and I have not been able to get any email response
 from the drive's manufacturer.

 I have one that was used to run a servo saw stop/pusher system. It's
 control died and I would love to be able to revive it using Linuxcnc.

 The stop manufacturer wasn't much more help but at least they would talk
 to me. They sent me a pdf for the machines schematics but were unable to
 provide any information on how to control the drive.

 I started a thread on the forum where I was able to post a copy of the
 schematics the stop's manufacturer sent me.
 http://linuxcnc.org/index.php/english/forum/27-driver-boards/28847-help-with-servo-drive#55722

 What would I need to know in order to use the RS-485 to control this, and
 any ideas where or how to glean it?

 --

 

 Todd Zuercher
 mailto:zuerc...@embarqmail.com

 

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Re: [Emc-users] Wheezy and Nvidia

[alex chiosso]

I John.
I've got same problem as you with an asus graphic card (nviadia gpu) and
Debian wheezy.
No way to install the nvidia drivers properly.
At the end of a long story I re-install the LinuxCNC Wheezy distribution
and leave the video drivers it automatically detect
and it is fine (resolution 1280x1024).
On my side the problem mainly was related to the kernel specific drivers
requested from the nvidia gpu (LCNC Wheezy kernel is not the standard one
because it is patched for the RTAI (PAE)) .
As someome point me out (maybe Sebastian) it is not possible to install the
proprietary drivers on the Wheezy LCNC distro.
Maybe it is not impossible for some guru but for me it is.
So I went straight to the easy way. ;-)


Regards

Alex

On Mon, Jan 19, 2015 at 4:20 PM, schoone...@btinternet.com 
schoone...@btinternet.com wrote:

 Hi John

 I have a Nvidia GT630 GPU card working fine on Wheezy 32  64 bit

 Works with nouveau and if you download the nvidia-glx package, DKMS builds
 the driver fine (you need headers and a build environment)

 What you then need to do however is add /etc/X11/xorg.conf.d/20-nvidia.conf
 as attached

 Then check that the driver has been installed to
 /lib/modules/{kernel-version}/extra/nvidia.ko

 and /etc/modprobe.d/nvidia-kernel-common.conf is present blacklisting
 nouveau

 The only problem I have had is when doing a load of stuff at the same time
 after building the driver and re-making initrd-img, which somehow screwed
 things up, but
 redoing everything sorted it

 regards

 Mick


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Re: [Emc-users] Emc-users: hybrid iso csum

[alex chiosso]

Hi Peter.
This is not a religious discussion .
For me it's a matter of netiquette and as you say porco mondo it's not
nice as well.
But because everybody can express themselves as they want . no problem.
:-)
Peace.

Alex


On Sun, Jan 11, 2015 at 12:18 PM, Peter Blodow p.blo...@dreki.de wrote:

 Tom, in order to avoid religious discussions, change that to porco
 mondo, that fits it as well!
 Peter

 Am 11.01.2015 01:52, schrieb TJoseph Powderly:
  hello
  as of 10jan2015 6pm CDT
  the hybrid iso csum listed here
  linuxcnc.org/docs/html/common/Getting_LinuxCNC.html
  is incorrect
 
  the csum listed here
  http://www.linuxcnc.org/index.php/english/download
  _is_ correct
 
  on the morning of 10jan the main website was in Italian
  porco dio!
  so i didnt look very closely
 
  i dont see how to correct it myself
  but others may re-download the image trying to get a good csum.
 
  Cradek got me the straight skinny, thx!
 
  thanks
  TomP tjtr33
 
 
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Re: [Emc-users] Emc-users: hybrid iso csum

[alex chiosso]

Hi TJoseph.
I'm am Italian .
When you say :

 on the morning of 10jan the main website was in Italian
 porco dio!

It is not a nice expression.
Especially porco dio! it's a blasphemy for a catholic person but the
meaning it's universally related to god.
Also for the netiquette it's not correct as well.
Maybe you wrote this because you heard some italian guy bad speaking in
this way.
I don't want to appear as a bigot 
It is funny because your name is Thomas + Joseph both related to Jesus . ;-)

Regards

Alex


On Sun, Jan 11, 2015 at 1:52 AM, TJoseph Powderly tjt...@gmail.com wrote:

 hello
 as of 10jan2015 6pm CDT
 the hybrid iso csum listed here
 linuxcnc.org/docs/html/common/Getting_LinuxCNC.html
 is incorrect

 the csum listed here
 http://www.linuxcnc.org/index.php/english/download
 _is_ correct

 on the morning of 10jan the main website was in Italian
 porco dio!
 so i didnt look very closely

 i dont see how to correct it myself
 but others may re-download the image trying to get a good csum.

 Cradek got me the straight skinny, thx!

 thanks
 TomP tjtr33


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Re: [Emc-users] Emc-users: hybrid iso csum

[alex chiosso]

Hi Tom.
No problem.
I didn't want to blame you.
You don't have to limit yourself. ;-)

Alex

On Sun, Jan 11, 2015 at 3:36 PM, TJoseph Powderly tjt...@gmail.com wrote:

 On 01/11/2015 03:27 AM, alex chiosso wrote:
  Hi TJoseph.
  I'm am Italian .
  When you say :
 
  on the morning of 10jan the main website was in Italian
  porco dio!
 
  It is not a nice expression.
  Especially porco dio! it's a blasphemy for a catholic person but the
  meaning it's universally related to god.
  Also for the netiquette it's not correct as well.
  Maybe you wrote this because you heard some italian guy bad speaking in
  this way.
  I don't want to appear as a bigot 
  It is funny because your name is Thomas + Joseph both related to Jesus .
 ;-)
 
  Regards
 
  Alex
 
 
  On Sun, Jan 11, 2015 at 1:52 AM, TJoseph Powderly tjt...@gmail.com
 wrote:
 
  hello
  as of 10jan2015 6pm CDT
  the hybrid iso csum listed here
  linuxcnc.org/docs/html/common/Getting_LinuxCNC.html
  is incorrect
 
  the csum listed here
  http://www.linuxcnc.org/index.php/english/download
  _is_ correct
 
  on the morning of 10jan the main website was in Italian
  porco dio!
  so i didnt look very closely
 
  i dont see how to correct it myself
  but others may re-download the image trying to get a good csum.
 
  Cradek got me the straight skinny, thx!
 
  thanks
  TomP tjtr33
 
 
 
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 Take a
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 Alex, mi scusa
 wont happen again
 TomP


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Re: [Emc-users] What was the name of that board?

[alex chiosso]

System On Chip , it should be .

Alex
Il giorno 09/gen/2015 21:02, Lars Andersson l...@larsandersson.com ha
scritto:

 @Alexander, what is meant by SoC? Google failed me there.


 On 2015-01-09 20:00, Alexander Rössler wrote:
  On Friday 09 January 2015 05:58:14 Sven Wesley wrote:
  2015-01-08 23:47 GMT+01:00 Sven Wesley svenne.d...@gmail.com:
  Thanks Viesturs but that's not the one. There is another one complete
 with
  display and everything that is fully compliant with our G-code. Gotta
 find
  it...
  Found it!
  In the mail thread with the subject I'm going to build something small,
  need a cheap stepper driver, answer by Kerry Lynn.
  It's the TinyG setup I was looking for.
  https://www.synthetos.com/what-is-tinyg-and-why/
 
  https://www.youtube.com/watch?v=Ym3K71dbbVw
  This was some time ago it seems.
 
  You could also use one of the Machinekit supported boards and get the
 full
  Machinekit/LinuxCNC experience:
  http://blog.machinekit.io/p/hardware-capes.html
 
  Grbl is the Arduino approach for CNC control. Not very interesting in my
  opinion since everything is going into the SoC direction.
  _
  Alexander
 



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Re: [Emc-users] Merry Christmas

[alex chiosso]

Merry Christmas and a Happy New Year to all of the great LinuxCNC community
people.
Greetings from Italy.

Alex
Il giorno 24/dic/2014 17:37, Pete Matos petefro...@gmail.com ha scritto:
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Re: [Emc-users] Mb2hal?

[alex chiosso]

Hi Todd.
As someone else suggested in another thread you can give a try at a python
module called modbustk (modbus toolkit) .
I've tested it on TCP/IP and is a powerful,complete and documented python
module.
The serial line is supported as well.

Alex
Il giorno 20/dic/2014 03:26, Todd Zuercher zuerc...@embarqmail.com ha
scritto:

 Problem is I don't think I know enough about either C or Python to do it.

 - Original Message -
 From: Sebastian Kuzminsky s...@highlab.com
 To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 Sent: Friday, December 19, 2014 1:57:18 PM
 Subject: Re: [Emc-users] Mb2hal?

 On 12/19/14 2:48 PM, Todd Zuercher wrote:
  Is it possible to make Mb2hal only make reads and writes of the
 nessisary registers, rather than all the registers used all the time?

 I don't know mb2hal at all, but looking at mb2hal_HOWTO.ini i see
 there's a MAX_UPDATE_RATE for each transaction.  Maybe you could reduce
 the update rate of the transactions you don't care as much about?

 If you need finer control over when reads and writes happen, you're
 probably better off writing a custom component (in C or python or the
 halcompile language) that does exactly what you need.


 --
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Re: [Emc-users] Mb2hal?

[alex chiosso]

Hi Todd.
Here https://code.google.com/p/modbus-tk/ is the link to modbus-tk python
module . ;-)

Alex

On Sat, Dec 20, 2014 at 9:26 AM, alex chiosso achio...@gmail.com wrote:

 Hi Todd.
 As someone else suggested in another thread you can give a try at a python
 module called modbustk (modbus toolkit) .
 I've tested it on TCP/IP and is a powerful,complete and documented python
 module.
 The serial line is supported as well.

 Alex
 Il giorno 20/dic/2014 03:26, Todd Zuercher zuerc...@embarqmail.com ha
 scritto:

 Problem is I don't think I know enough about either C or Python to do it.

 - Original Message -
 From: Sebastian Kuzminsky s...@highlab.com
 To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 Sent: Friday, December 19, 2014 1:57:18 PM
 Subject: Re: [Emc-users] Mb2hal?

 On 12/19/14 2:48 PM, Todd Zuercher wrote:
  Is it possible to make Mb2hal only make reads and writes of the
 nessisary registers, rather than all the registers used all the time?

 I don't know mb2hal at all, but looking at mb2hal_HOWTO.ini i see
 there's a MAX_UPDATE_RATE for each transaction.  Maybe you could reduce
 the update rate of the transactions you don't care as much about?

 If you need finer control over when reads and writes happen, you're
 probably better off writing a custom component (in C or python or the
 halcompile language) that does exactly what you need.


 --
 Sebastian Kuzminsky


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Re: [Emc-users] Modbus

[alex chiosso]

Hi.
I suggest to you to try the *mb2hal* component to do this job .
I've tested it on TCP/IP and it works just fine.
It is not so well documented as it should be (I mean some clear examples
should give an opportunity of a wide usage of this well packed
component. *THANKS
to Viktor Rocco the Author of the mb2hal component*).
You can do all the modbus stuff using mb2hal so all the pins from read and
write functions are automatically generated .
And you're not limitated to a max number of read or write instances as the
modbus integrated into ClassicLadder have.
So with mb2hal the dirty job is done trasparently for the integrator .
As you should know the performances over serial/rs485 line depends also
from the response time of the slaves and from how many instances you
fragment your communication data/registers .
One thing that I suggest to you is to buy a galvanically insulated
converter, to use a proper connnection shielded cable and a speed of 19200
baud , take care about connections and in case use the termination
resistors (in case of long wiring) at both line ends.

Alex



On Fri, Dec 19, 2014 at 10:19 AM, 77dab 77...@tiscali.it wrote:

 Yes, I know, I already made a Java software to control independently 8
 of those VFD via modbus, and it works. They can run up to 38600baud.
 what timing do you think i can expect from a sistem like that in
 LinuxCNC? something like 10 VFD messages per second? or better?

 On 18/12/2014 14:57, Todd Zuercher wrote:
  I am controling 8 VFDs on a single machine with Linuxchc through one
 USB-RS485 converter (from Automation direct).  No real problems for me
 except some random com errors.  It works good enough though.  I have not
 had to restart or anything like that because of them.  They do fill up an
 error log pretty fast when running from terminal.  It can be a little slow
 to respond sometimes, reading and writing to 32 different registers at
 9600bps plus rewrites for bad com.
 
  It can be a little tricky to set up, you have to know all the modbus
 details about your drives (every manufacturers drives are different), and
 configure mb2hal to use them (there is nothing automagic here).
 
  - Original Message -
  From: 77dab 77...@tiscali.it
  To: Emc-users@lists.sourceforge.net
  Sent: Thursday, December 18, 2014 6:53:40 AM
  Subject: [Emc-users] Modbus
 
  Hi all,
  I have on my hand some mitsubishi VFD with 550w winches.
  I would like to try to move them using LinuxCNC.
  the thing is not meant to be Real time, and I've read the modbus module
  lives in User space and it's not RT.
  So, my question:
  Since it isn't RT, can I drive the rs485 thru a USB-rs485 converter,
  using a laptop?
 
  Thanks, Davide.
 
 
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Re: [Emc-users] G edit and velocity

[alex chiosso]

Hi Gene.
I'm using Geany too . ;-)
Do you know (or anybody know) if there is a way to highlight the G Code
sintax ?

Alex

On Wed, Dec 17, 2014 at 4:29 PM, Gene Heskett ghesk...@wdtv.com wrote:

 On Saturday 13 December 2014 07:53:51 John Thornton did opine
 And Gene did reply:
  You have to specify the editor in your ini file. If your on Debian you
  have to add Gedit.
 
  JT
 
 Not gedit John, its trashed too many files to my taste.

 To all, install 'geany', its quite similar and in 6 months use has NOT
 trashed a file for me yet.

  On 12/12/2014 7:33 PM, Marshland Engineering wrote:
   I installed the latest software and have the Mesa cards and servos
   running.
  
   No text editor to be found. Pressing edit on the File menus does
   nothing ?? Where is gedit ?
  
   I have set the acc and velocities up high using the config editor but
   when running the program, the velocity is about 1/10 I specified.
   What is wrong and how do I change this ?
  
   Thanks Wallace
  
  
  
  
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Re: [Emc-users] G edit and velocity

[alex chiosso]

I'm agree with you that Geany is much better than Gedit .
I will try to find out the way to do what you suggested .
The Gcode highlight is quite useful during the editing especially in case
of structured Gcode .

Alex

On Wed, Dec 17, 2014 at 4:54 PM, Gene Heskett ghesk...@wdtv.com wrote:

 On Wednesday 17 December 2014 10:37:04 alex chiosso did opine
 And Gene did reply:
  Hi Gene.
  I'm using Geany too . ;-)
  Do you know (or anybody know) if there is a way to highlight the G Code
  sintax ?
 
  Alex

 Apparently not Alex, I can't find it in the menu's of my copy.

 But because of the similarity to gedit, To Be Tested is if the gedit
 pluggin that enables that will work for geany.  Cheap fix if all you have
 to do is copy the file  restart geany.  ;-)  I think its xml code.

  On Wed, Dec 17, 2014 at 4:29 PM, Gene Heskett ghesk...@wdtv.com wrote:
   On Saturday 13 December 2014 07:53:51 John Thornton did opine
  
   And Gene did reply:
You have to specify the editor in your ini file. If your on Debian
you have to add Gedit.
   
JT
  
   Not gedit John, its trashed too many files to my taste.
  
   To all, install 'geany', its quite similar and in 6 months use has
   NOT trashed a file for me yet.
  
On 12/12/2014 7:33 PM, Marshland Engineering wrote:
 I installed the latest software and have the Mesa cards and
 servos running.

 No text editor to be found. Pressing edit on the File menus does
 nothing ?? Where is gedit ?

 I have set the acc and velocities up high using the config editor
 but when running the program, the velocity is about 1/10 I
 specified. What is wrong and how do I change this ?

 Thanks Wallace




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Re: [Emc-users] G edit and velocity

[alex chiosso]

Hi Chris.
For me Gedit is good but honestly Geany is better.
Because I'm using Debian Wheezy and Gedit is not installed as default, I've
installed Geany that is for me better.
Il giorno 17/dic/2014 18:29, Chris Morley chrisinnana...@hotmail.com ha
scritto:


 I have used gedit for about 6 years for all my programming...never had a
 problem with it. though I did see some bugs in my code... :)

 Chris M

 - Reply message -
 From: Gene Heskett ghesk...@wdtv.com
 To: emc-users@lists.sourceforge.net
 Subject: [Emc-users] G edit and velocity
 Date: Wed, Dec 17, 2014 7:27 AM


 On Friday 12 December 2014 20:33:00 Marshland Engineering did opine
 And Gene did reply:
  I installed the latest software and have the Mesa cards and servos
  running.
 
  No text editor to be found. Pressing edit on the File menus does
  nothing ?? Where is gedit ?

 It is a configurable item in your .ini file.

 BUT!!! Do not use gedit, it has bugs like a 10 day old roadkill carcass.

 Geany seems clean and has never trashed a file for me yet, where gedit
 has, several times.

 They are quite similar, so no new hot keys to learn for most editing.

  I have set the acc and velocities up high using the config editor but
  when running the program, the velocity is about 1/10 I specified. What
  is wrong and how do I change this ?
 
  Thanks Wallace
 
 
 
 
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Re: [Emc-users] G edit and velocity

[alex chiosso]

Hi Wallace .
I got the same problem when I made a new installation using the Debian
Wheezy package.
As John told you , you should specify the editor program you want to use
into the INI file.
Keep in mind that Debian comes with an editor called Mousepad .
So if you want Gedit working you should download it and install it and then
declare it as the dafault editor into the INI file.

Alex

On Sat, Dec 13, 2014 at 1:53 PM, John Thornton bjt...@gmail.com wrote:

 You have to specify the editor in your ini file. If your on Debian you
 have to add Gedit.

 JT

 On 12/12/2014 7:33 PM, Marshland Engineering wrote:
  I installed the latest software and have the Mesa cards and servos
 running.
 
  No text editor to be found. Pressing edit on the File menus does nothing
 ??
  Where is gedit ?
 
  I have set the acc and velocities up high using the config editor but
 when
  running the program, the velocity is about 1/10 I specified. What is
 wrong and
  how do I change this ?
 
  Thanks Wallace
 
 
 
 
 
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Re: [Emc-users] sevomotor -encoder

[alex chiosso]

Hi Aram.
SD94 seems to be the product code for Servo Dinamics Servo Drive as this
http://www.ebay.com/itm/Servo-Dynamics-SD94-S100Y2N-000XX1A10-Driver-23IG93SA-2048-Motor-Cables-2-Sets-/110778319162
.
Why are you talking about Lenze ?

Alex

On Fri, Dec 12, 2014 at 1:09 PM, Todd Zuercher zuerc...@embarqmail.com
wrote:

 Yes, I have some of their drives and motors on some of our machines at
 work.  They seem to work fine.  You'll need windows to run their tuning
 software, and you will probably need an o-scope as well, if you don't bring
 the encoder feedback into LinuxCNC.

 - Original Message -
 From: a k pccncmach...@gmail.com
 To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 Sent: Thursday, December 11, 2014 11:21:53 PM
 Subject: Re: [Emc-users] sevomotor -encoder

 link to teknic

 https://www.teknic.com/files/product_info/N34_Industrial_Grade_Motors_v5.0.pdf


 On Thu, Dec 11, 2014 at 7:05 PM, a k pccncmach...@gmail.com wrote:
 
  hi
  did any one try this ac servomotor
  https://mail.google.com/mail/u/0/#inbox/14a36c5f43ed728f?projector=1
 
  i am using servodynamics motor that has encoder output
  a
  a-
  b
  b-
  index
  index-
  u
  u-
  v
  v-
  w
  w-
  +5
  gnd
  shild
 
  this encoder signals go into lenze motor drive sd 94
  i am interesting if technics servomotor will work with lenze drive?
  abbreviation for encoder  pin are very different  -
 
 
  aram
 

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Re: [Emc-users] sevomotor -encoder

[alex chiosso]

Hi.
You said :

 this encoder signals go into lenze motor drive sd 94


but , as I told you , SD94 is not Lenze (is Servo Dinamics) .
So If you have a Lenze can you detail the model/product code so people that
want to help can search for information to support you.

Alex


On Fri, Dec 12, 2014 at 2:07 PM, a k pccncmach...@gmail.com wrote:

 hi
 i have lenze drive. i am interesting if teknic servo motor will work with
 lenze drive that i have.
 question -is encoder signal from teknic motor will be right one that lenze
 drive need?

 On Fri, Dec 12, 2014 at 4:09 AM, Todd Zuercher zuerc...@embarqmail.com
 wrote:
 
  Yes, I have some of their drives and motors on some of our machines at
  work.  They seem to work fine.  You'll need windows to run their tuning
  software, and you will probably need an o-scope as well, if you don't
 bring
  the encoder feedback into LinuxCNC.
 
  - Original Message -
  From: a k pccncmach...@gmail.com
  To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 
  Sent: Thursday, December 11, 2014 11:21:53 PM
  Subject: Re: [Emc-users] sevomotor -encoder
 
  link to teknic
 
 
 https://www.teknic.com/files/product_info/N34_Industrial_Grade_Motors_v5.0.pdf
 
 
  On Thu, Dec 11, 2014 at 7:05 PM, a k pccncmach...@gmail.com wrote:
  
   hi
   did any one try this ac servomotor
   https://mail.google.com/mail/u/0/#inbox/14a36c5f43ed728f?projector=1
  
   i am using servodynamics motor that has encoder output
   a
   a-
   b
   b-
   index
   index-
   u
   u-
   v
   v-
   w
   w-
   +5
   gnd
   shild
  
   this encoder signals go into lenze motor drive sd 94
   i am interesting if technics servomotor will work with lenze drive?
   abbreviation for encoder  pin are very different  -
  
  
   aram
  
 
 
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Re: [Emc-users] 7i76 spindle output

[alex chiosso]

Hi Jeremy.
Does your VFD have a CW-CCW physical input to reverse the motor rotation ?
If yes you should wire it and activate it related to the sign of
motion.spindle-speed-out .
Or if your VFD has a differential (+/-10Vdc) input you should use the
motion.spindle-speed-out (scaled as needed) to activate the analog speed
reference .

Alex

On Sun, Dec 7, 2014 at 11:02 AM, andy pugh bodge...@gmail.com wrote:

 On 7 December 2014 at 02:51, Jeremy Jones sp01jjo...@gmail.com wrote:
  I had ABS going and then I switched it over to scale like in the
 integrator
  manual. I can try and switch it back.

 I admit that I have never read the integrator manual, so I don't know
 what it says. However I suspect that it hasn't caught up with the fact
 that there are now direct ABS outputs for spindle speed from motion:
 http://www.linuxcnc.org/docs/html/man/man9/motion.9.html

 --
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 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto


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Re: [Emc-users] 7i76 spindle output

[alex chiosso]

Hi Jeremy.
If your VFD has the Modbus Port on board (rs232 or rs485?) I suggest to you
to try the *mb2hal* component (the description and the how to are on the
Wiki).
I've tested the Modbus protocol using the TCP/IP (ethernet) and seems to
work just fine so the serial communication should be fine too.
Can you detail the Brand and the product code of your VFD ?

Alex

On Sun, Dec 7, 2014 at 3:35 PM, p...@wpnet.us wrote:


 The VFD I'm using uses three wire control - FWD, REV, RUN/STOP, where the
 MESA card is designed around FWD/REV and RUN/STOP two wire control, however
 the VFD can set inputs for active high or low operation so you can set FWD
 for active high, REV for active low and tie the two together to a single
 FWD/REV control signal. It's not entirely clear in the manual so it took a
 little bit to sort out but it works well. On the MESA card the enable
 output for the spindle is also the enable for the analog speed output so
 you can't use it as anything but an enable.


 --Original Mail--
 From: Jeremy Jones sp01jjo...@gmail.com
 To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
 Sent: Sun, 7 Dec 2014 09:16:53 -0500
 Subject: Re: [Emc-users] 7i76 spindle output

 loadrt scale count=1
 addf scale.0 servo-thread
 setp scale.0.gain 0.002
 net spindle-speed-scale motion.spindle-speed-out = scale.0.in
 net spindle-speed-DAC scale.0.out = your DAC pin name


 That's whats in the integrator manual. I started out with the abs I copied
 from a similar machine but then tried this and it worked.. I will finish
 the abs and report back. Should I look into adding my info, once complete,
 to wiki for others to use? My combination of setup and VFD are pretty
 common.



 Alex - I think it might. I currently have it hooked up CW on one pin and
 CCW on another. Let me see if I can switch that to a single pin. I am using
 the 0-10v pot on the VFD but it uses separate pins for the
 direction...which confuses me why it works one way perfectly and the other
 way is way off. Like you said I guess it's the negative.

 Once I get this figured out I want to tackle the MODBUS setup for mine too.
 Just figured this would be easier for now.

 On Sun, Dec 7, 2014 at 5:22 AM, alex chiosso achio...@gmail.com wrote:

  Hi Jeremy.
  Does your VFD have a CW-CCW physical input to reverse the motor rotation
 ?
  If yes you should wire it and activate it related to the sign of
  motion.spindle-speed-out .
  Or if your VFD has a differential (+/-10Vdc) input you should use the
  motion.spindle-speed-out (scaled as needed) to activate the analog speed
  reference .
 
  Alex
 
  On Sun, Dec 7, 2014 at 11:02 AM, andy pugh bodge...@gmail.com wrote:
 
   On 7 December 2014 at 02:51, Jeremy Jones sp01jjo...@gmail.com
 wrote:
I had ABS going and then I switched it over to scale like in the
   integrator
manual. I can try and switch it back.
  
   I admit that I have never read the integrator manual, so I don't know
   what it says. However I suspect that it hasn't caught up with the fact
   that there are now direct ABS outputs for spindle speed from motion:
   http://www.linuxcnc.org/docs/html/man/man9/motion.9.html
  
   --
   atp
   If you can't fix it, you don't own it.
   http://www.ifixit.com/Manifesto
  
  
  
 
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Re: [Emc-users] Not able to use comp (command not found) .

[alex chiosso]

Thanks Phillip.
You got the right answer .
I was using the online documentation
http://linuxcnc.org/docs/html/hal/comp.html#_compiling but it isn't
updated/correct.
Now I have some compiling errors but I want to try to understand wich
errors are and maybe I will need an help on it.
Thanks again.

Alex

On Thu, Dec 4, 2014 at 6:05 PM, Philipp Burch p...@hb9etc.ch wrote:

 Hi Alex!

 On 04.12.2014 17:43, alex chiosso wrote:
  Hi to all.
  I'm running LCNC on a pc with the Debian Wheezy installation package .
  I'm getting the updates from Master using the repositories selected into
  the Synaptic Package Manager.
  I've already checked the linuxcnc-dev installation and the system is up
 to
  date .
  I'm trying to compile and install a custom component using comp .
  I can't see any *linuxcnc/src/hal/components *directory into the file
  system .
  And also if I try to *comp --install component_name.comp* I get  *comp:
  command not found* .
  I've attached a couple of screenshots just to see the LCNC version I'm
  running and the LCNC version installed.
  Any help it's very appreciated .

 I remember something about comp being renamed to halcompile in recent
 releases. Maybe you can try it with this command.

 Regards,
 Philipp



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Re: [Emc-users] Not able to use comp (command not found) .

[alex chiosso]

Thank you Chris and Sebastian. :-)

Alex

On Thu, Dec 4, 2014 at 6:37 PM, Sebastian Kuzminsky s...@highlab.com wrote:

 On 12/4/14 10:24 AM, alex chiosso wrote:
  Thanks Phillip.
  You got the right answer .
  I was using the online documentation
  http://linuxcnc.org/docs/html/hal/comp.html#_compiling but it isn't
  updated/correct.

 That link, linuxcnc.org/docs/html, always refers to the newest stable
 branch, which currently is 2.6.  2.6 does not have the rename yet.

 You can look at the docs for the master branch using this link:
 linuxcnc.org/docs/devel/html.

 Or you can see the docs for a specific version by putting the version
 number after docs, for example linuxcnc.org/docs/2.5/html.

 Or you can go to linuxcnc.org/docs and click on the version you want.


 --
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Re: [Emc-users] MTBF

[alex chiosso]

You're right Rick . ;-)

On Wed, Dec 3, 2014 at 1:27 PM, Rick Lair r...@superiorroll.com wrote:

 It looks like  over 1500 'millions of hours' of 'Mean Time Between
 Failures' 


 Thanks


 Rick



 -- Original Message --
 From: andy pugh bodge...@gmail.com
 To: Enhanced Machine Controller (EMC)
 emc-users@lists.sourceforge.net
 Sent: 12/3/2014 7:20:32 AM
 Subject: [Emc-users] MTBF

 Does anyone know how to interpret MTBF numbers?
 
 
 http://docs-europe.electrocomponents.com/webdocs/0d17/0900766b80d17a55.pdf
 
 Specifically. 1500 hours doesn't seem very long,
 
 --
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 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto
 

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Re: [Emc-users] Where can I find the docs on the math functions in LCNC? Wiki doesn't show them

[alex chiosso]

Hi Gene.
Look at Here
http://linuxcnc.org/docs/html/gcode/overview.html#sec:Expressions .

Regards

Alex

On Tue, Dec 2, 2014 at 3:45 PM, Gene Heskett ghesk...@wdtv.com wrote:

 See subject

 Thanks.

 Cheers, Gene Heskett
 --
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Re: [Emc-users] gcmc - 1.5.2

[alex chiosso]

Hi Bertho.
I'm following you since the beginning on this list and I've to say that
your work is really nice and professionally made .
I usually don't use cnc's for machining parts but to do material handling
or such so I need to make jumps within the G code (conditional or
unconditional) but the LCNC interpreter don't have this feature.
I've look at your instruction/functions sets but seem that in gcmc this
feature is missing too.
Is this because at the end of the conversion from gcmc to LCNC G code you
have to rely on LCNC G code interpreter , isn't it ?
Is there any way to improve this feature on gcmc ?
I hope I've expressed myself properly.

Alex

On Mon, Dec 1, 2014 at 12:46 AM, Gene Heskett ghesk...@wdtv.com wrote:

 On Sunday 30 November 2014 14:10:09 Bertho Stultiens did opine
 And Gene did reply:
  On 11/30/2014 03:46 PM, Gene Heskett wrote:
   On Sunday 30 November 2014 07:04:10 W. Martinjak did opine
  
   And Gene did reply:
   On 2014-11-27 15:46, Bertho Stultiens wrote:
   The updated documentation is online at:
 http://www.vagrearg.org/content/gcmc-into
  
   Should be:
   http://www.vagrearg.org/content/gcmc-intro
  
   Yes. is this very complete web page available in pdf for making dead
   tree copies? It would be bound and occupy the shelf beside the
   monitor in my case.
 
  Hm, no, not as such. But you could get the source html in the browser
  (from the distro or webpage) and do a Print to File as a Postscript
  file. Then run:
  $ ps2pdf -dOptimize=true -dEmbedAllFonts=true -sPAPERSIZE=a4 myfile.ps
  (or whatever papaer size you require) that will give you a myfile.pdf
  file. Then you can print that pdf on a printer using dead trees, bind
  it and put it on the shelf.
 
  However, it might be easier to save the html locally and read it
  locally in the browser or print it from your browser directly then ;-)

 Which is what I just did, and punched  mounted in a folder.  But in
 looking it over, it seems to me that writing what I want it to do in a new
 language, and then translating it into gcode adds more complexity than I
 would have just writing it in gcode in the first place. I have it in mind
 to have a couple vars in it which will be used as multipliers so I can
 control which set of these huge box fingers is being cut by inverting the
 shape of the cut in the y direction depending on whether a var is  1.
 or 0.0.  The tool offset for its diameter will be similarly added or
 subtracted in step with the current xstep count.  Once I get all the
 variables set up and assigned, this whole thing can be done in another
 15-20 lines of code in 2 loops, one to trace the fingers and one to
 increment the z depth. And to do the matching end pieces, just set the
 side to zero and the code will invert the y runs, and invert the tool
 radius so its added or subtracted from the current xtmp.  Finger joint fit
 will be by tweaking the tool radius, a tighter fit needed means I should
 up the tool radii a thou, or if too tight, reduce till its correct.  The
 fingers all get the corners radiused with a 1/4 round over bit so the
 side of the finger fits the bit radius at the inner end of the cut.

 Done right, these joints only need a drop of glue spread across the
 bottoms of the gully's between the fingers. Each finger will be drilled 
 countersunk, and a #6 pan head about 1.5 long will pull them together,
 hopefully before the glue sets up, and that means something slower than
 titebond III as its sets in 10 minutes too tight to squeeze it back out.
 Then the counter bore gets squared up with a punch I'll also have to make,
 and a teeny little pillow topped plug of Gabon ebony is glued  driven
 into the now punched out square screw hole to hide the screw.

 I'll have to make that tool because the counter bore needs to be flat
 bottomed, but I can pull the drill bit and reshape most any drill 
 countersink combo to do that.  The square punch I will have to make too.
 As  well as making the ebony plugs.  Almost $70 with shipping for a
 2x2x12 piece of that stuff! And I will have made sawdust out of, or used
 about 24 bd/ft of $12/ft mahogany by the time I reach for the stuff to
 make some of Sam's stuff for finish. Thats $300 for mahogany right there.
 Add in the rest of the period hardware from WhiteChapel, and if someone
 wants a copy its going to be circa $750 for it.  This one is for my better
 half.  Too late for our 25th anniversary on Tuesday the 2nd, but it will
 get done if I don't fall over first.

 Today is a good day, I woke up. :)

 Cheers, Gene Heskett
 --
 There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order.
 -Ed Howdershelt (Author)
 Genes Web page http://geneslinuxbox.net:6309/gene
 US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS


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Re: [Emc-users] gcmc - 1.5.2

[alex chiosso]

Hi Bertho .
Thanks for the reply.
This is an abstract of a post (that I opened a couple of months ago) on the
conditional-unconditional nc program flow control .

  USA brand CNC manufacturer (Delta Tau PMAC-NC Pro2
 http://www.deltatau.com/manuals/pdfs/PMAC-NC%20Pro2.pdf) and they use
 GOTO as a standard function for the NC program control into parametric
 programming FANUC style .
 And they declare :
 To maintain FANUC compatibility, this form of a conditional expression
 should be adhered to.
 GOTO expressions goto can be followed by an expression 

I used the term jumps because you already use an instruction called
goto .
So to be not ambiguous I used a different term to express myself.

Alex


On Mon, Dec 1, 2014 at 6:11 PM, Bertho Stultiens ber...@vagrearg.org
wrote:

 On 12/01/2014 09:08 AM, alex chiosso wrote:
  I'm following you since the beginning on this list and I've to say
  that your work is really nice and professionally made.

 I try to bo my best ;-)


  I usually don't use cnc's for machining parts but to do material
  handling or such so I need to make jumps within the G code
  (conditional or unconditional) but the LCNC interpreter don't have
  this feature. I've look at your instruction/functions sets but seem
  that in gcmc this feature is missing too.
  Is this because at the end of the conversion from gcmc to LCNC G code
  you have to rely on LCNC G code interpreter , isn't it ? Is there any
  way to improve this feature on gcmc ?

 I do not understand what you mean by jumps. All CNC machines use
 turtle graphics in 2D, 3D, 4D, etc. Gcmc is an abstract way to program
 the path of the turtle (mill) based on fairly standard math
 descriptions (vectors).

 CNC machines cannot physically jump. Well, they might do that, but that
 would not be a good thing, I guess.

 Can you give me an example when you want to jump and what that
 actually means for you? My guess is that you can use sub-routines to
 encapsulate functional routines for your handling machine and bind
 them together in conditional/uncoditional way.

 However, if you have (complex) feedback from your machine to decide what
 to do next, then you will find it difficult to use gcmc. It could be
 solved by using a different backend in gcmc to do other interactions,
 but that requires some development work and would depend highly on the
 application.


 --
 Greetings Bertho

 (disclaimers are disclaimed)


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Re: [Emc-users] VFD trouble

[alex chiosso]

Hi Viesturs .
Could you please specify the motor data and the VFD data (manufacturers +
material code) ?
I never seen any VFD to control 2 motors in series connection .
The high speed motors are equivalent to asincronous or they are not ?
A standard VFD (V/F or sensor less vector) can control this kind of motors ?
Maybe you have to tweak some parameters into the VFD (such as electrical
motor data) to best fit the electrical motor characteristics .

Alex

On Wed, Nov 26, 2014 at 1:59 PM, Viesturs Lācis viesturs.la...@gmail.com
wrote:

 2014-11-26 14:38 GMT+02:00 Ron Ginger rongin...@roadrunner.com:
  Are you trying to run 2 motors wired in parallel to one VFD? I dont
  think that will work. Their rotors will never be in phase so any
  feedback generated is going to be really strange to the VFD.
 

 Yes. Is there a way to run them in series?
 Currently I am trying to get one motor to work - still the same issue
 of VFD not going higher than 8-9 hz.
 I like Jon's suggestion about additional inductors, I just have not
 yet found anything appropriate (1mH, 9A).


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Re: [Emc-users] VFD trouble

[alex chiosso]

Hi Viesturs.
How did you connect the motor phases (on the motor terminal blocks) star or
triangle ?
The motor seems to be a 2 poles (12000rpm at 200Hz) and the phase voltage
is 220VAC so you should connect the motor phases to star type isn't it ?
Are you driving the speed reference with an analog input or via a digital
input o via the VFD keypad ?
Are you sure that you're giving the right reference value to the VFD ?

Alex


On Wed, Nov 26, 2014 at 4:19 PM, p...@wpnet.us wrote:

 The VFD manufacturers have white papers specifically covering driving
 multiple motors from one larger VFD so it's absolutely a supported
 configuration. You need separate overcurrent protection for each connected
 motor though since the VFD's OCP can't work to protect an individual motor
 in such a configuration.


 --Original Mail--
 From: Ron Ginger rongin...@roadrunner.com
 To: emc-users@lists.sourceforge.net
 Sent: Wed, 26 Nov 2014 07:38:27 -0500
 Subject: Re: [Emc-users] VFD trouble

 Are you trying to run 2 motors wired in parallel to one VFD? I dont
 think that will work. Their rotors will never be in phase so any
 feedback generated is going to be really strange to the VFD.

 ron ginger

 On 11/25/2014 10:30 PM, emc-users-requ...@lists.sourceforge.net wrote:
 I need to drive 2 high-speed spindle motors, 3,7 kW each. For that I
 have 11 kW VFD.



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Re: [Emc-users] VFD trouble

[alex chiosso]

This VFD has also a Auto tune function , did you tried it ?

Alex

On Wed, Nov 26, 2014 at 4:34 PM, alex chiosso achio...@gmail.com wrote:

 Hi Viesturs.
 How did you connect the motor phases (on the motor terminal blocks) star
 or triangle ?
 The motor seems to be a 2 poles (12000rpm at 200Hz) and the phase voltage
 is 220VAC so you should connect the motor phases to star type isn't it ?
 Are you driving the speed reference with an analog input or via a digital
 input o via the VFD keypad ?
 Are you sure that you're giving the right reference value to the VFD ?

 Alex


 On Wed, Nov 26, 2014 at 4:19 PM, p...@wpnet.us wrote:

 The VFD manufacturers have white papers specifically covering driving
 multiple motors from one larger VFD so it's absolutely a supported
 configuration. You need separate overcurrent protection for each connected
 motor though since the VFD's OCP can't work to protect an individual motor
 in such a configuration.


 --Original Mail--
 From: Ron Ginger rongin...@roadrunner.com
 To: emc-users@lists.sourceforge.net
 Sent: Wed, 26 Nov 2014 07:38:27 -0500
 Subject: Re: [Emc-users] VFD trouble

 Are you trying to run 2 motors wired in parallel to one VFD? I dont
 think that will work. Their rotors will never be in phase so any
 feedback generated is going to be really strange to the VFD.

 ron ginger

 On 11/25/2014 10:30 PM, emc-users-requ...@lists.sourceforge.net wrote:
 I need to drive 2 high-speed spindle motors, 3,7 kW each. For that I
 have 11 kW VFD.



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Re: [Emc-users] VFD trouble

[alex chiosso]

I found some hints from a electrospindle manufacturer about VFD programming
to get the motor working :


 When the inverter is connected with the motor it must be remembered to
 modify some inverter parameters to allow the motor work properly and not to
 be damaged.

 *Warning:*

- feeding the motor with a wrong feed curve can irreparably damage the
motor in a few seconds.
- the factory setting of every inverter must be modified to allow it
to work with a HF motor/electrospindle.

 *Most important parameters:*

- *Base Frequency (point A):* it is the frequency to which it
correspond the maximun voltage acceptable by the motor (base voltage). The
factory setting of this parameter is usually 50Hz this parameter must be
setted equal to the base frequency of the motor (usually 100Hz, 200Hz,
300Hz, 400Hz depends on the motor type). The value of the base frequency of
your motor is written on the nameplate or in the instruction sheet.
- *Base Input Voltage:* it is the maximum input voltage to which the
motor can work. Generally this value is 220V or 380V, it depens on the
motor wiring.
- *Max Frequency (point B):* it is the maximum frequency to which the
motor can work. It can correspond with the base frequency or it can be
higher depending on the bearing type and on the balancing grade.
- *Auto tuning functions:* to avoid any damaging of the motor we
suggest not to use the auto tuning functions of your inverter but manually
set up the inverter parameters with a linear [V/F] curve.

 *Warning:* please refer to the inverter manufacturer manual to correctly
 install the inverter.

As Belli Button pointed out.

Alex

On Wed, Nov 26, 2014 at 5:09 PM, Belli Button be...@iafrica.com wrote:

 I think the spindle manufacturers expressly forbid auto tune.  Try setting
 the inverter to 400Hz, this indicates to the inverter that it is a low
 inductance motor and will be able to control the current better, remember
 to
 set both base frequency and max frequency.


 -Original Message-
 From: alex chiosso [mailto:achio...@gmail.com]
 Sent: 26 November 2014 17:40
 To: Enhanced Machine Controller (EMC)
 Subject: Re: [Emc-users] VFD trouble

 This VFD has also a Auto tune function , did you tried it ?

 Alex

 On Wed, Nov 26, 2014 at 4:34 PM, alex chiosso achio...@gmail.com wrote:

  Hi Viesturs.
  How did you connect the motor phases (on the motor terminal blocks)
  star or triangle ?
  The motor seems to be a 2 poles (12000rpm at 200Hz) and the phase
  voltage is 220VAC so you should connect the motor phases to star type
 isn't it ?
  Are you driving the speed reference with an analog input or via a
  digital input o via the VFD keypad ?
  Are you sure that you're giving the right reference value to the VFD ?
 
  Alex
 
 
  On Wed, Nov 26, 2014 at 4:19 PM, p...@wpnet.us wrote:
 
  The VFD manufacturers have white papers specifically covering driving
  multiple motors from one larger VFD so it's absolutely a supported
  configuration. You need separate overcurrent protection for each
  connected motor though since the VFD's OCP can't work to protect an
  individual motor in such a configuration.
 
 
  --Original Mail--
  From: Ron Ginger rongin...@roadrunner.com
  To: emc-users@lists.sourceforge.net
  Sent: Wed, 26 Nov 2014 07:38:27 -0500
  Subject: Re: [Emc-users] VFD trouble
 
  Are you trying to run 2 motors wired in parallel to one VFD? I dont
  think that will work. Their rotors will never be in phase so any
  feedback generated is going to be really strange to the VFD.
 
  ron ginger
 
  On 11/25/2014 10:30 PM, emc-users-requ...@lists.sourceforge.net wrote:
  I need to drive 2 high-speed spindle motors, 3,7 kW each. For that
  I have 11 kW VFD.
 
 
 
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Re: [Emc-users] Something of Interest

[alex chiosso]

Hi Rick.
It looks good as field I/O using the Modbus Protcol (with Classic Ladder
I/O scanning or mb2hal component as well) .
The price is pretty good for the US market and it is industrial grade
hardware fully certified.

Alex

On Wed, Nov 19, 2014 at 3:13 PM, Rick Lair r...@superiorroll.com wrote:

 Not sure if this compatible or not, but I was just perusing thru
 Automation Directs web page, and noticed this. Its new for them, and it
 looks interesting, and I would be willing to try it out for grins if it
 would work with Linuxcnc.



 http://www.automationdirect.com/adc/Overview/Catalog/Field_I-z-O/Protos_X_I-z-O


 Thanks


 Rick


 Superior Roll  Turning
 399 East Center Street
 Petersburg MI, 49270
 734-279-1831
 www.superiorroll.com

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Re: [Emc-users] upgrade to current version causes lockup

[alex chiosso]

What about RAM ? (How many GB do you have?)
I do believe that with the new installation you are no more running with
the vesa driver .
Can you double check this ?
Did you already make the isolcpus=1 modification ?
I hope it is not a kernel issue due to the old hardware .

Alex

On Tue, Nov 18, 2014 at 4:26 PM, kqt4a...@gmail.com wrote:

 I have been using Ubuntu 10.04 with LinuxCNC for about 3 years with very
 good results. I downloaded http://linuxcnc.org/binary.hybrid.iso with the
 thought of upgrading. I installed it to a new drive. I can startup and run
 ok until I try to run any of the LinuxCNC apps. The machine does not
 immediately lock up but slowly locks up over about 1 minute. I am not able
 to switch to a console or run any other commands. This is a pretty old
 machine and would prefer keep it running, I'm cheap. I would consider a
 new one but from the back and forth on this list I have no idea what
 works. Suggestions please.

 motherboard: K8T890-A
 processor: Athlon 64 2200
 video: ATI Technologies Inc RV516 [Radeon X1300/X1550 Series] with vesa
 driver
 old kernel: 2.6.32-122-rtai
 new kernel: 3.4-9-rtai-686-pae

 Richard




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Re: [Emc-users] upgrade to current version causes lockup

[alex chiosso]

As I understood the isolcpus=1 (for a dual core processor) is mandatory .
I you have multiple cores 4 or 8 (but you shouldn't) there is a different
isolcpus setting to optimize the RTAI results (aka latency).
Have you tried to let the GPU drivers as the installation process load
automagically.
I do believe that 1GB RAM maybe is the lower limit to get the new
installation working properly.
I'm not an expert so sorry if I'm not so effective on helping you. ;-)

Alex

On Tue, Nov 18, 2014 at 5:16 PM, kqt4a...@gmail.com wrote:

 On Tue, 18 Nov 2014, alex chiosso wrote:

  What about RAM ? (How many GB do you have?)
  I do believe that with the new installation you are no more running with
  the vesa driver .
  Can you double check this ?
  Did you already make the isolcpus=1 modification ?
  I hope it is not a kernel issue due to the old hardware .
 
  Alex
 
  On Tue, Nov 18, 2014 at 4:26 PM, kqt4a...@gmail.com wrote:
 
  I have been using Ubuntu 10.04 with LinuxCNC for about 3 years with very
  good results. I downloaded http://linuxcnc.org/binary.hybrid.iso with
 the
  thought of upgrading. I installed it to a new drive. I can startup and
 run
  ok until I try to run any of the LinuxCNC apps. The machine does not
  immediately lock up but slowly locks up over about 1 minute. I am not
 able
  to switch to a console or run any other commands. This is a pretty old
  machine and would prefer keep it running, I'm cheap. I would consider a
  new one but from the back and forth on this list I have no idea what
  works. Suggestions please.
 
  motherboard: K8T890-A
  processor: Athlon 64 2200
  video: ATI Technologies Inc RV516 [Radeon X1300/X1550 Series] with vesa
  driver
  old kernel: 2.6.32-122-rtai
  new kernel: 3.4-9-rtai-686-pae
 
  Richard
 

 1 GB ram
 I am running the vesa driver, I forced it with nomodeset
 Do I need isolcpus=1 with a single core processor


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Re: [Emc-users] Screw Mapping

[alex chiosso]

Hi Mark is this your http://www.youtube.com/watch?v=tFqM_3r4vMs machine ?
Nice application !

Alex

On Tue, Nov 18, 2014 at 5:43 PM, Mark Wendt wendt.m...@gmail.com wrote:

 On Tue, Nov 18, 2014 at 11:36 AM, Stuart Stevenson stus...@gmail.com
 wrote:

  Would it be possible to machine the top of the table (with a large enough
  machine tool)?
 


 Not really.  I'd have no way to really machine the table using the cutting
 head.  When I get home this afternoon from work I'll post a couple of
 pictures of the machine.

 Mark

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Re: [Emc-users] Screw Mapping

[alex chiosso]

Hi Mark.
Why don't you update the YouTube video ?
I usually try to search with Google first and sometimes I try to search
directly into YouTube to find what I'm searching for.
The Andy and Viesturs hints seems to be the right solution for your needs.
Sometimes the man pages are not clear enough to be understood but this is a
well known issue .

Alex

On Tue, Nov 18, 2014 at 6:04 PM, Mark Wendt wendt.m...@gmail.com wrote:

 I've got better, clearer pictures of the machine at home.  I'll post them
 later this afternoon.

 On Tue, Nov 18, 2014 at 11:59 AM, Dave Caroline 
 dave.thearchiv...@gmail.com
  wrote:

  and Now I see where the feelers can be placed
 
  Dave
 
  On 18/11/2014, Mark Wendt wendt.m...@gmail.com wrote:
   On Tue, Nov 18, 2014 at 11:46 AM, alex chiosso achio...@gmail.com
  wrote:
  
   Hi Mark is this your http://www.youtube.com/watch?v=tFqM_3r4vMs
  machine
   ?
   Nice application !
  
   Alex
  
  
  
   Alex,
  
   Yes!  that's mine.  I'd forgotten I'd put up that lousy video of the
   machine in operation.  ;-)
  
   Mark
  
 
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Re: [Emc-users] upgrade to current version causes lockup

[alex chiosso]

Hi Sebastian .
Is the base thread period adjustable for the latency test gui ?
If yes , can you please tell me how can I do this ?

Alex

On Tue, Nov 18, 2014 at 6:08 PM, Sebastian Kuzminsky s...@highlab.com
wrote:

 On 11/18/14 10:02 AM, kqt4a...@gmail.com wrote:
  I originally allowed the Radeon driver to load but switched to vesa which
  is what I use on 10.04. Thanks for the try.

 When you switch to a new version of the RTAI kernel you should re-run
 the latency test.  The new kernel usually works better (ie, has lower
 latency) than the old kernel, but it may unfortunately work worse on
 some hardware.

 If your base period is too fast for the new version of RTAI on your
 hardware, you may experience the kind of lockup that you describe.  In
 this situation you'll have to increase your base period or revert to the
 older kernel.


 --
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Re: [Emc-users] Screw Mapping

[alex chiosso]

You're are welcome Mark.
What is on the net seems that never die !

Alex

On Tue, Nov 18, 2014 at 6:19 PM, Mark Wendt wendt.m...@gmail.com wrote:

 On Tue, Nov 18, 2014 at 12:14 PM, alex chiosso achio...@gmail.com wrote:

  Hi Mark.
  Why don't you update the YouTube video ?
  I usually try to search with Google first and sometimes I try to search
  directly into YouTube to find what I'm searching for.
  The Andy and Viesturs hints seems to be the right solution for your
 needs.
  Sometimes the man pages are not clear enough to be understood but this
 is a
  well known issue .
 
  Alex
 

 Alex,

 To tell you the truth, I'd completely forgotten I'd posted that video.
 Next time I run some strips through the machine, I'll video record that and
 post it.

 Thanks for reminding me!  ;-)

 Mark

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Re: [Emc-users] upgrade to current version causes lockup

[alex chiosso]

Thank you Sebastian .

 If your base period is too fast for the new version of RTAI on your
 hardware, you may experience the kind of lockup that you describe.  In
 this situation you'll have to increase your base period or revert to the
 older kernel.

I misunderstood you comment . :-)

Alex

On Tue, Nov 18, 2014 at 6:21 PM, Sebastian Kuzminsky s...@highlab.com
wrote:

 On 11/18/14 10:19 AM, alex chiosso wrote:
  Is the base thread period adjustable for the latency test gui ?
  If yes , can you please tell me how can I do this ?

 You don't need to set a base period to run the latency test.  Just run
 it, and it'll measure the latency, and you use that to pick a base
 period for your linuxcnc .ini file.

 --
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Re: [Emc-users] upgrade to current version causes lockup

[alex chiosso]

Ok. Thank you .
Il giorno 18/nov/2014 17:42, Viesturs Lācis viesturs.la...@gmail.com ha
scritto:

 2014-11-18 18:42 GMT+02:00 alex chiosso achio...@gmail.com:
  As I understood the isolcpus=1 (for a dual core processor) is
 mandatory .

 No, it is not. It can help improve realtime performance, but it by is
 not mandatory by any means.

 Viesturs


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Re: [Emc-users] 2.6.4

[alex chiosso]

Hi Aram.
Look at this video http://www.youtube.com/watch?v=lJ00KZ7-PIs from
YouTube .
It's well done and clear so you should understand the installation process
of the LCNC new version.
The same author made other interesting videos on the same argument
(upgrading to the latest version, latency test ) .
I like the Debian Wheezy installation (2.6.x) due to the xfce desktop much
easier than Ubuntu Unity Desktop.
I've installed LCNC on a new PC the last week using the instruction of the
video above and I've got it working.

Regards

Alex

On Sun, Nov 16, 2014 at 11:48 PM, linden l...@island.net wrote:

 This list is just the selection for the install process not the actual
 LinuxCNC soft ware
 Just use #1 Graphical install and fallow the prompts. The default
 settings should be right for most situations if you get stuck or have
 any questions ask here and we will see what we can do.


 On 14-11-17 06:28 AM, Jon Elson wrote:
  On 11/16/2014 02:38 PM, a k wrote:
  Hi
  i want to install emc2--2.6.4
  i down load it from linuxcnc
  1st -- is 2.6.4 most current one?
  2nd when i down load, it gives options
 
  1install Graphical
  2install (text)
  3install Fail Safe
 
  question is which one do i need?
  i want to it look like 2.5.xxx  - not sure how to say it --like normal
 etc
  or better to ask what is difference between those 3 options for install
  emc2-2.6.4  ?
 
 
  Try option 1 first.  This will work on most computer -
  monitor combinations just fine.
 
  On some odd combinations, the screen will come up scrambled
  and you can't see what
  questions are being asked, or you get no display at all.  In
  those cases, try option
  2.  it will use a very blocky character-based menu
  selection, but will allow the install
  to work on combinations where the install CD's OS can't set
  up the screen resolution
  correctly.  In both cases, the installed system will be the
  same. these options
  don't affect what is installed or how it is configured, they
  only affect the way
  the menus are displayed DURING the install procedure.
 
  I'm not sure what option 3 is for, it loads a very
  stripped-down OS for the
  install, and I think makes it impossible to update the
  system during the install
  because there's no network.
 
  And, there is no EMC2, and hasn't been for several years.
 
  Jon
 
 
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Re: [Emc-users] Hal mux

[alex chiosso]

 classicladdr_rt runs in the servo thread like any other realtime module.

This is an important information.
That means that the CL logic is processed every servo period isn't it ?
This point is missing into the documentation (as I know) .

Alex



On Mon, Nov 17, 2014 at 6:16 PM, andy pugh bodge...@gmail.com wrote:

 On 17 November 2014 16:59, Dave Cole linuxcncro...@gmail.com wrote:

  The CL logic runs via the servo cycle as a real time task just like
  hal?So aren't they running at the same speed?

 Sorry, I appear to have been labouring under a misapprehension for some
 time.
 classicladdr_rt runs in the servo thread like any other realtime module.

 My point about step signals is valid, but not for the reasons I thought it
 was.

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Re: [Emc-users] Unable to get Nvidia Graphic Card working with nvidia drivers .

[alex chiosso]

Hi to all.
Just an update.
I set the isolcpu=1.
I disabled the legacy USB support from the BIOS .
I finally remove the Nvidia drivers + the NOUVEAU drivers and reboot the
system.
After that the latency numbers are pretty good (I mean comparing with the
previous numbers) .
The base thread peak is less than 18000 and the servo thread peak is less
than 22000 with :
- The internet browser opened and Youtube video playing ;
- 3 glxgears sessions opened ;
- Libreoffice Draw opened ;
- File manager opened and searching files and moving windows on the screen.
All this running for a couple of hours.
Anyway this is not the best but should be ok.

Thans a lot for the help and support you gave me. :-)

Alex


On Fri, Nov 7, 2014 at 10:13 PM, alex chiosso achio...@gmail.com wrote:

 Thank you Kirk for your detailed explanation I will try your tips.
 My cpu is an Intel dual core so isolcpu=1 should be the right one .

 Alex
 Il giorno 07/nov/2014 20:12, John Alexander Stewart ivatt...@gmail.com
 ha scritto:

 Alex;

 I've made the isolcpu=1 modification but numbers are always pretty high
  (6-65000 on both threads) but more stable as I can see.
 
 
 How many cores?  If two, the isolcpus=1 is correct; if four, or one or...
 it may not be.

 I modified Kent's 07_rtai script to find the pae kernels; someone else
 (sorry, names
 are in the script) went through and worked out different cores and what
 worked well.
 IIRC his/her comments are in the wiki page and in the 07_rtai script.

 Just something to check; John.

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Re: [Emc-users] A beginners question about E-Stop and Charge Pumps

[alex chiosso]

Dave you are 100% right. Your detailed explanation it`s correct
conceptually and practically for an industrial application.

Alex
Il giorno 08/nov/2014 17:03, Joe Hildreth j...@threerivershospital.com
ha scritto:

 Bruce,

 Yeah, I suppose I have been beating the horse to death with the questions.
 Sorry.  But hey, when you don't know a lot about it you have to start
 somewhere, right?  Thanks for all the help and clarification.

 After I sent the email, I went off in search of relay logic circuits.
 After reading a couple of articles I seen that I had it wron in my head.

 Talking about easy cheap MC's, I loved the PIC, simple to code, implement
 and cheap on the wallet.

 I am off to look for circuit examples.  Thanks for being so patient.

 Regards,

 Joe

 - On Nov 7, 2014, at 11:05 PM, Bruce Layne
 linux...@thinkingdevices.com wrote:

  Joe,
 
  In the words of Roseanne Rosannadanna, you ask a lot of questions! :-)
 
  You don't wire the coils of relays in series for relay logic.  The coil
  voltage is selected to match the voltage you want to use to activate
  it... 5VDC, 12VDC, 24VDC, 120VAC, etc.  You wire the relay contacts in
  series to implement an AND function (as is the case with your E-stop
  switches and a relay that mirrors the status of the internal LinuxCNC
  E-stop signal, and any other relay controlled signal you want to
  generate an E-stop).  You'd wire the contacts from different relays in
  parallel to implement an OR function.
 
  The reason I suggested using relay logic for this application is
  simplicity.   You'll need a relay to externalize the internal E-stop
  status anyway, so just wire the contacts in series with any E-stop
  switches you have and you're finished.  Why add any discrete logic ICs
  to that?  It's needless complexity.
 
  I'm generally a big fan of implementing logic in software or firmware.
  I've replaced a lot of goofy 1950s technology relay logic where relays
  and electromechanical timers were used in the 1990s because someone
  didn't know how to use a PLC or (my favorite) a one dollar RISC
  microcontroller.  But if you already have the relay and that's all you
  need, why add an Arduino to drive the relay?
 
  If you search for E-stop circuit and look at the images, you'll see
  lots of examples and it'll make sense.
 
  There are also some standard circuits for input power disconnects (I
  don't go to that formality for my small CNC machines) with
  fuses/breakers, ON and OFF pushbutton switches that latch the ON
  condition until the OFF button is pressed, etc.
 
 
  Bruce


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Re: [Emc-users] A beginners question about E-Stop and Charge Pumps

[alex chiosso]

Only the outputs power supply should be cut off from the Estop circuit and
in some cases only the outputs that activate the main power and circuit
enable the axis and spindle drives and the devices that have to be stopped
in case of Emergency stop .
The inputs power supply is usually not under the Estop circuit  control.

Alex
Il giorno 08/nov/2014 17:41, p...@wpnet.us ha scritto:

 This is how I have it setup on the CNC lathe refit I've been working on.
 Using 120V on estop only because the relays that came with the machine were
 120v coils, so use what I've got. PC/monitor power is the only thing not on
 the estop system, just the main machine power switch. Push the Machine On
 green button and it switches on power to the spindle VFD and the axis and
 field I/O power supplies. Hit the estop button and all of that drops. I'll
 ultimately tie it in to a signal line to HAL to let LinuxCNC know if the
 machine is on or estopped. Simple and reliable, and also pretty much the
 same as the estop on my larger commercial CNC mill (not retrofitted yet).



 --Original Mail--
 From: Dave Cole linuxcncro...@gmail.com
 To: emc-users@lists.sourceforge.net
 Sent: Sat, 08 Nov 2014 12:01:13 -0500
 Subject: Re: [Emc-users] A beginners question about E-Stop and Charge Pumps

 I do commercial machine controls and the Estops are usually over thought
 by the newbies.   First of all, the Estop on the LinuxCNC screen and
 Mach3 screen is not an Estop and has nothing to do with a safety Estop
 system.  (System Enable would be a better name)

 A minimal Estop system has a sealed in mechanical relay.   There is a
 power on button (I usually use a Green lit pushbutton - LED is best)
 that pulls in the relay and a relay contact on the same relay seals in
 the circuit.  An Estop is initiated by a pushing in (and latching) a Red
 Estop button which has a NC (normally closed) contact.   The button must
 be twisted to release the latch.

 I usually use 24 vdc control circuits as that is the industry norm
 now.   But this could also be done with 120 VAC as was common in the old
 days.

 The sealed in Estop relay supplies power or control power to all of
 the contactors, and relays, or simply the devices that move the machine
 and tools.

 If LinuxCNC hal is tied into the Estop system, it is only to inform
 LinuxCNC that a hard Estop has occurred.   The Estops basic purpose is
 to cut power to the machine when an Estop button is pressed and cut the
 power connection to the machine if the power goes out long enough for
 the relay to drop out.(So the machine doesn't restart after a power
 outage by itself.)  If you have brakes on the machine those (in general)
 engage when the power is cut.

 Estop Pushbuttons - the twist to release buttons are required by most
 safety standards.   Lit Estop buttons with twist to release is common so
 it can be wired such that the button is lit when the estop button is
 depressed and latched.  That way it is obvious which button has been
 pushed in and that the Estop system has been activated.

 Here are some parts:

 http://www.automationdirect.com/adc/Overview/Catalog/Pushbuttons_-z-_Switches_-z-_Indicators/22mm_Plastic/Emergency_Stop_Pushbuttons_Illuminated_-a-_Non-Illuminated
 The Metal 22mm buttons are worth the few extra $.  Note that they sell
 latching-twist to release, and momentary.   Two different things.

 Really nice power relays..  I've purchased hundreds and have yet to find
 a bad one.

 http://www.automationdirect.com/adc/Shopping/Catalog/Relays_-z-_Timers/Electro-Mechanical_Relays/Square_-z-_Cube_Relays,_Plug-In,_3A_-_15A_%2878x-z-_Qxx-z-H78x_Series%29/General_Purpose,_15A_%28781_-z-_782_-z-_783_-z-_784_Series%29/784-4C-24D

 A nice power on momentary button that is illuminated.   It can be wired
 such that when the system is On and the relay is in, the button is lit.

 http://www.automationdirect.com/adc/Shopping/Catalog/Pushbuttons_-z-_Switches_-z-_Indicators/22mm_Metal/Illuminated_Pushbuttons_Flush_-a-_Extended/LED/GCX1202-24L

 For the quality of these devices, these are really inexpensive.

 More info on Estop systems and requirements.

 http://machinerysafety101.com/2009/03/06/emergency-stop-whats-so-confusing-about-that/

 The diagram on page 11 is close to what I am describing wiring wise.
 Replace the reset with the Power On button, The C Aux NC contact is not
 normally used in this country.
 The ER relay is the sealed in relay.


 http://www.infoplc.net/files/documentacion/seguridad_normativa/infoPLC_net_THE_EMERGENCY_STOP.pdf

 This document says that force guided relays (Safety relays) are
 required.   In the US that depends on the company standards, the type of
 machine being controlled etc.

 For personal use and a lot of commercial/industrial use in the US, just
 using a decent relay often suffices and meets insurance company
 requirements, etc.  Force guided safety relays start at about $80 each.

 Dave


















 On 11/7/2014 5:34 PM, Bruce Layne 

Re: [Emc-users] Unable to get Nvidia Graphic Card working with nvidia drivers .

[alex chiosso]

Hi Dave .
Actually seems that the NOUVEAU drivers are used as I can see into the
Xorg.0.log file I've attached .
Do you suggest to use the Vesa instead of Nouveau ?

Alex

On Fri, Nov 7, 2014 at 5:39 PM, Dave Caroline dave.thearchiv...@gmail.com
wrote:

 Nvidia is a known problem see

 http://wiki.linuxcnc.org/cgi-bin/wiki.pl?TroubleShooting#NVidia_and_ATI_graphics_cards
 try those solutions and any other graphics card you have lying around

 Dave Caroline

 On 07/11/2014, alex chiosso achio...@gmail.com wrote:
  Hi to all.
  I've built a new desktop pc (honestly I bought the hw components a couple
  of years ago) to use it for LCNC application hoping to get a good latency
  numbers .
  The mother board is an ASUS P5KPL SE ;
  The Graphic Card is an ASUS EN8400GS 512MB based on the GeForce 8400GS
 chip
  ;
  The Processor is an Intel Pentium E6500 Dual Core ;
  The Ram is a 2GB DDR2 800Mhz ;
  The HD is a Seagate Barracuda 7200.12 ;
 
  I've installed LCNC using the pre-compiled version CD 2.6.1 with Debian
  Wheezy .
 
  After the installation done and the upgrade using the update manager I
 ran
  the Latency test application to see the latency numbers and the test was
  not good (I mean about 7 Max Jitter on both the threads) .
 
  I've not modified the GRUB for ISOLCPU=1 yet .
 
  But what I can see is that the Nvidia Card is not using the proprietary
  drivers .
 
  I tried few different ways using solutions from the net but there is no
  way to get the Nviadia drivers to be loaded properly.
 
  I post the files :
  - Xorg.0.log.old that show some information on the Nvidia drivers loading
  issue ;
  - Xorg.0.log that show the information after a correct startup of the PC
  without invoking the use of the Nvidia proprietary Drivers.
 
  The last test I did was reinstalling the LCNC CD (so a clean of all the
  Nvidia trials tests I did) and try this solution
  https://wiki.debian.org/NvidiaGraphicsDrivers#configure from the
 Official
  Debian Wiki site .
 
  The problem is that with the invoking of the Nvidia Drivers load
 procedure
  I can't get the system booting completely and the display is showing a
  blinking cursor.
 
  Maybe the system stops when is loading (or trying to load) the Nvidia
  Drivers .
 
  The only way-out that I found is to remove (or rename) the file
 
  /etc/X11/xorg.conf.d
 
  and perform a system reboot.
 
  As it's clear I'm not familiar with Linux to be able to solve this
  issue so I'm asking your help.
 
 
  Regards
 
  Alex
 


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Re: [Emc-users] Unable to get Nvidia Graphic Card working with nvidia drivers .

[alex chiosso]

Hi Eric .
Did you get good latency numbers with Vesa drivers.
My need is to get the best latency numbers is possible.
If it's better to use the Vesa drivers I will do that .
Nowadays the two biggest Graphic cards/chips manufacturers seems to be
Nvidia and ATI so why it is so hard to get this cards work with their
proprietary drivers ?
Maybe it is a stupid question but I remember that somewhere in the LCNC
documentation there is also the suggestion to use a graphic card instead of
a mother board integrated one. :- (
I used a ASUS mobo with a ASUS GPU thinking about a proper solution but
maybe I was wrong .

Alex

On Fri, Nov 7, 2014 at 6:10 PM, Eric Keller eekel...@psu.edu wrote:

 Last time I set up a lcnc system I had a lot of trouble with the Nvidia
 drivers -- they wouldn't install.  I did go with Vesa.  I don't really
 think it's a problem.

 On Fri, Nov 7, 2014 at 11:46 AM, alex chiosso achio...@gmail.com wrote:

  Hi Dave .
  Actually seems that the NOUVEAU drivers are used as I can see into the
  Xorg.0.log file I've attached .
  Do you suggest to use the Vesa instead of Nouveau ?
 
  Alex
 
  On Fri, Nov 7, 2014 at 5:39 PM, Dave Caroline 
 dave.thearchiv...@gmail.com
  
  wrote:
 
   Nvidia is a known problem see
  
  
 
 http://wiki.linuxcnc.org/cgi-bin/wiki.pl?TroubleShooting#NVidia_and_ATI_graphics_cards
   try those solutions and any other graphics card you have lying around
  
   Dave Caroline
  
   On 07/11/2014, alex chiosso achio...@gmail.com wrote:
Hi to all.
I've built a new desktop pc (honestly I bought the hw components a
  couple
of years ago) to use it for LCNC application hoping to get a good
  latency
numbers .
The mother board is an ASUS P5KPL SE ;
The Graphic Card is an ASUS EN8400GS 512MB based on the GeForce
 8400GS
   chip
;
The Processor is an Intel Pentium E6500 Dual Core ;
The Ram is a 2GB DDR2 800Mhz ;
The HD is a Seagate Barracuda 7200.12 ;
   
I've installed LCNC using the pre-compiled version CD 2.6.1 with
 Debian
Wheezy .
   
After the installation done and the upgrade using the update manager
 I
   ran
the Latency test application to see the latency numbers and the test
  was
not good (I mean about 7 Max Jitter on both the threads) .
   
I've not modified the GRUB for ISOLCPU=1 yet .
   
But what I can see is that the Nvidia Card is not using the
 proprietary
drivers .
   
I tried few different ways using solutions from the net but there
 is
  no
way to get the Nviadia drivers to be loaded properly.
   
I post the files :
- Xorg.0.log.old that show some information on the Nvidia drivers
  loading
issue ;
- Xorg.0.log that show the information after a correct startup of the
  PC
without invoking the use of the Nvidia proprietary Drivers.
   
The last test I did was reinstalling the LCNC CD (so a clean of all
 the
Nvidia trials tests I did) and try this solution
https://wiki.debian.org/NvidiaGraphicsDrivers#configure from the
   Official
Debian Wiki site .
   
The problem is that with the invoking of the Nvidia Drivers load
   procedure
I can't get the system booting completely and the display is showing
 a
blinking cursor.
   
Maybe the system stops when is loading (or trying to load) the Nvidia
Drivers .
   
The only way-out that I found is to remove (or rename) the file
   
/etc/X11/xorg.conf.d
   
and perform a system reboot.
   
As it's clear I'm not familiar with Linux to be able to solve this
issue so I'm asking your help.
   
   
Regards
   
Alex
   
  
  
  
 
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Re: [Emc-users] Unable to get Nvidia Graphic Card working with nvidia drivers .

[alex chiosso]

Thank you Eric.
Your observation may be correct .
The Nvidia driver installation is a big issue for many users that are not
using LCNC .
I will remove the drivers I've installed and I will go for the Vesa
solution.
The Gigabyte and ASRock mobo seems to be better than ASUS for LCNC.
And to have a separate graphic card it's not a solution anyway.
My BIOS do not have much parameters to be setup specifically to get a
better performance for real time .
I've made the isolcpu=1 modification but numbers are always pretty high
(6-65000 on both threads) but more stable as I can see.

Alex


On Fri, Nov 7, 2014 at 7:30 PM, Eric Keller eekel...@psu.edu wrote:

 Vesa worked fine.  The open source Nvidia drivers were not good for
 latency.  You may wish to go with an interface that doesn't use 3d.  I
 believe that the problem with the Nvidia system is that they want a
 specific kernel layout and it doesn't work with the RTAI kernel, but I
 can't be sure

 On Fri, Nov 7, 2014 at 12:32 PM, alex chiosso achio...@gmail.com wrote:

  Hi Eric .
  Did you get good latency numbers with Vesa drivers.
  My need is to get the best latency numbers is possible.
  If it's better to use the Vesa drivers I will do that .
  Nowadays the two biggest Graphic cards/chips manufacturers seems to be
  Nvidia and ATI so why it is so hard to get this cards work with their
  proprietary drivers ?
  Maybe it is a stupid question but I remember that somewhere in the LCNC
  documentation there is also the suggestion to use a graphic card instead
 of
  a mother board integrated one. :- (
  I used a ASUS mobo with a ASUS GPU thinking about a proper solution but
  maybe I was wrong .
 
  Alex
 
  On Fri, Nov 7, 2014 at 6:10 PM, Eric Keller eekel...@psu.edu wrote:
 
   Last time I set up a lcnc system I had a lot of trouble with the Nvidia
   drivers -- they wouldn't install.  I did go with Vesa.  I don't really
   think it's a problem.
  
   On Fri, Nov 7, 2014 at 11:46 AM, alex chiosso achio...@gmail.com
  wrote:
  
Hi Dave .
Actually seems that the NOUVEAU drivers are used as I can see into
 the
Xorg.0.log file I've attached .
Do you suggest to use the Vesa instead of Nouveau ?
   
Alex
   
On Fri, Nov 7, 2014 at 5:39 PM, Dave Caroline 
   dave.thearchiv...@gmail.com

wrote:
   
 Nvidia is a known problem see


   
  
 
 http://wiki.linuxcnc.org/cgi-bin/wiki.pl?TroubleShooting#NVidia_and_ATI_graphics_cards
 try those solutions and any other graphics card you have lying
 around

 Dave Caroline

 On 07/11/2014, alex chiosso achio...@gmail.com wrote:
  Hi to all.
  I've built a new desktop pc (honestly I bought the hw components
 a
couple
  of years ago) to use it for LCNC application hoping to get a good
latency
  numbers .
  The mother board is an ASUS P5KPL SE ;
  The Graphic Card is an ASUS EN8400GS 512MB based on the GeForce
   8400GS
 chip
  ;
  The Processor is an Intel Pentium E6500 Dual Core ;
  The Ram is a 2GB DDR2 800Mhz ;
  The HD is a Seagate Barracuda 7200.12 ;
 
  I've installed LCNC using the pre-compiled version CD 2.6.1 with
   Debian
  Wheezy .
 
  After the installation done and the upgrade using the update
  manager
   I
 ran
  the Latency test application to see the latency numbers and the
  test
was
  not good (I mean about 7 Max Jitter on both the threads) .
 
  I've not modified the GRUB for ISOLCPU=1 yet .
 
  But what I can see is that the Nvidia Card is not using the
   proprietary
  drivers .
 
  I tried few different ways using solutions from the net but
 there
   is
no
  way to get the Nviadia drivers to be loaded properly.
 
  I post the files :
  - Xorg.0.log.old that show some information on the Nvidia drivers
loading
  issue ;
  - Xorg.0.log that show the information after a correct startup of
  the
PC
  without invoking the use of the Nvidia proprietary Drivers.
 
  The last test I did was reinstalling the LCNC CD (so a clean of
 all
   the
  Nvidia trials tests I did) and try this solution
  https://wiki.debian.org/NvidiaGraphicsDrivers#configure from
 the
 Official
  Debian Wiki site .
 
  The problem is that with the invoking of the Nvidia Drivers load
 procedure
  I can't get the system booting completely and the display is
  showing
   a
  blinking cursor.
 
  Maybe the system stops when is loading (or trying to load) the
  Nvidia
  Drivers .
 
  The only way-out that I found is to remove (or rename) the file
 
  /etc/X11/xorg.conf.d
 
  and perform a system reboot.
 
  As it's clear I'm not familiar with Linux to be able to solve
 this
  issue so I'm asking your help.
 
 
  Regards
 
  Alex

Re: [Emc-users] Unable to get Nvidia Graphic Card working with nvidia drivers .

[alex chiosso]

Thank you Kirk for your detailed explanation I will try your tips.
My cpu is an Intel dual core so isolcpu=1 should be the right one .

Alex
Il giorno 07/nov/2014 20:12, John Alexander Stewart ivatt...@gmail.com
ha scritto:

 Alex;

 I've made the isolcpu=1 modification but numbers are always pretty high
  (6-65000 on both threads) but more stable as I can see.
 
 
 How many cores?  If two, the isolcpus=1 is correct; if four, or one or...
 it may not be.

 I modified Kent's 07_rtai script to find the pae kernels; someone else
 (sorry, names
 are in the script) went through and worked out different cores and what
 worked well.
 IIRC his/her comments are in the wiki page and in the 07_rtai script.

 Just something to check; John.

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Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[alex chiosso]

Hi to all.
I've been at the Linuxcnc Meeting in Stuttgart and I've to say that it was
a positive experience first of all for the people I met.

A big THANK YOU to the promoters Christian and Andreas for their efforts ,
hospitality , kindness .
They are very smart engineers/technicians/inventors with a wide experience
in build smart things.
The have the ability to create things that never be done before and very
important is their opennes to share experiences with the community.
I saw a Manutec 6 DOF robot arm getting a new life with the ability of
Christain , Andreas and Marius contribute to integrate Linuxcnc with Mesa
Cards , Granite Devices Drives and custom electronic + software stuffs.

I met a Beatiful Mind and a kind person , Marius Alksnis.
He was working on an ABB 6 DOF robot arm giving it (again) a new life .
His ability in software/hardware/engineering is really impressive.
I've taken from him inspirations to upgrade my personal knowlege .

A great engineer and software developer is Norbert Schechner that is the
main developer (and creator) of the gmoccapy user interface that introduced
and realized a professional look and functional user interface targetted to
machine tools collecting all the workshop people needs.

An interesting enterprise by Rene Baumgärtner and Kevin that have made and
industrial grade Linuxcnc box integrating PC+Mesa cards+PSU (24Vdc as I
understood) + software specific for machine tools .

Another contribute comes from Frank Rossette that made a fieldbus Hybrid
application using the Ethercat High Speed deterministic ethernet based
fieldbus to communicate with Linuxcnc and an Ethercat slave communicator
(Beckoff Industrial grade hardware) with I/O slots .
A side to the Ethercat slave communicator there is a CanOpen Master that
communicate with 3 (axis) drives from Berger Lahr manufacturer.
The closed loop position is not closed inside Linuxcnc but locally to the
drive of each axis.
This kind of configuration is really effective , clean (less
wires/cables) , industrial grade and easy scalable.

Three youg students and nearly engineers Nico , Rene and Lars offer their
specific knowledge on PID tuning.

I also met the two Michael one of them fighting with stepper drives
problems on a 3 axis router . Very kind persons.

All the other people I met (that I don't remember the names  sorry)
gave to the meeting a good feeling.


Regards

Alex

On Wed, Oct 29, 2014 at 9:58 AM, Sven Wesley svenne.d...@gmail.com wrote:

 PICS OR IT DID NOT HAPPEN!


 2014-10-24 19:16 GMT+02:00 Christian Stöveken 
 christian.stoeve...@gmail.com
 :

  If you still need a place to crash or any help ring me up
  0176 975 99 253
 
 
 
  On Thu, Oct 23, 2014 at 1:42 PM, Rene Hopf reneh...@mac.com wrote:
 
   I do not know if there is anything happening on Friday. If not I will
   spend the evening in the local Hackerspace: http://shackspace.de/
  
On 23 Oct 2014, at 12:59, alex chiosso achio...@gmail.com wrote:
   
Hi Rene.
I'm coming from Italy and I will arrive in Stuttgart on Friday mid
afternoon.
Are you going on site on Friday ?
   
Alex
   
On Thu, Oct 23, 2014 at 12:40 PM, Rene Hopf reneh...@mac.com
 wrote:
   
Hi,
I will arrive Friday evening, is there anything going on on Friday?
Are the ABB robots for sale? If they are, I might need a bigger car…
My driver is making good progress:
   
  
 https://www.dropbox.com/s/m0s75igxbtm3qw8/2014-10-23%2012.27.22.jpg?dl=0
   
Rene
   
   
On 02 Oct 2014, at 15:04, alex chiosso achio...@gmail.com wrote:
   
Hi Christian .
So the Meeting will be on October 25th and 26th , ins't it ?
I'm planning to be there .
I would like to be on site since Friday 24th early afternoon is it
possible
?
I can help you to prepare the site if you want or whatever else you
   need
to
do for the Meeting.
If something is changed please let me know.
   
Regards
   
Alex
   
On Fri, Sep 12, 2014 at 1:44 PM, Christian Stöveken 
christian.stoeve...@gmail.com wrote:
   
On Fri, Sep 12, 2014 at 9:35 AM, Marius Alksnys 
marius.alks...@gmail.com
wrote:
   
I could bring electric cabinet I built for Reis RV6 robot,
 connect
  it
to
the ABB robot and try to run it. Probably I could prepare for
 this
  in
advance.
It has Mesa electronics with 5i23, 7i44, 7i37, 6x 8i20 and 7i49
 for
resolvers, THCAD.
   
Are you interested?
   
   
Sure, why not.
   
   
If the answer is YES, then..
For connection connector adapters are needed from Reis to ABB.
 For
   this
connector parts to cabinet (Reis side) are needed:
   
   
  http://www.tme.eu/parking/99d7c3c845593fe353a7848e4474a3bb9d2b2676.html
   
   
That's a Harting Han-72-DD connector - I will check on monday if
 we
   have
one lying around.
   
The ABB has a Harting Han-40-D - and I already organized 3
  connectors
with
wires.
Also I already figured out

Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[alex chiosso]

Hi Rene.
I'm coming from Italy and I will arrive in Stuttgart on Friday mid
afternoon.
Are you going on site on Friday ?

Alex

On Thu, Oct 23, 2014 at 12:40 PM, Rene Hopf reneh...@mac.com wrote:

 Hi,
 I will arrive Friday evening, is there anything going on on Friday?
 Are the ABB robots for sale? If they are, I might need a bigger car…
 My driver is making good progress:
 https://www.dropbox.com/s/m0s75igxbtm3qw8/2014-10-23%2012.27.22.jpg?dl=0

 Rene


  On 02 Oct 2014, at 15:04, alex chiosso achio...@gmail.com wrote:
 
  Hi Christian .
  So the Meeting will be on October 25th and 26th , ins't it ?
  I'm planning to be there .
  I would like to be on site since Friday 24th early afternoon is it
 possible
  ?
  I can help you to prepare the site if you want or whatever else you need
 to
  do for the Meeting.
  If something is changed please let me know.
 
  Regards
 
  Alex
 
  On Fri, Sep 12, 2014 at 1:44 PM, Christian Stöveken 
  christian.stoeve...@gmail.com wrote:
 
  On Fri, Sep 12, 2014 at 9:35 AM, Marius Alksnys 
 marius.alks...@gmail.com
  wrote:
 
  I could bring electric cabinet I built for Reis RV6 robot, connect it
 to
  the ABB robot and try to run it. Probably I could prepare for this in
  advance.
  It has Mesa electronics with 5i23, 7i44, 7i37, 6x 8i20 and 7i49 for
  resolvers, THCAD.
 
  Are you interested?
 
 
  Sure, why not.
 
 
  If the answer is YES, then..
  For connection connector adapters are needed from Reis to ABB. For this
  connector parts to cabinet (Reis side) are needed:
 
 http://www.tme.eu/parking/99d7c3c845593fe353a7848e4474a3bb9d2b2676.html
 
 
  That's a Harting Han-72-DD connector - I will check on monday if we have
  one lying around.
 
  The ABB has a Harting Han-40-D - and I already organized 3 connectors
 with
  wires.
  Also I already figured out the pinout of the ABB's.
 
  ... could
  you please figure out what we would need to make adapters?
 
 
  Pinout of the Reis Han 72 DD, a soldering Iron and some shrinking tube I
  guess ;-)
 
 
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  When you want reliability, choose Perforce
  Perforce version control. Predictably reliable.
 
 
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Re: [Emc-users] Toolchanging (was Mach3 to LinuxCNC)

[alex chiosso]

One way should be run multiple instances of LCNC (Xenomai rt patch I heard
about). On commercial CNC is possible have multiple CNC channels that can
share informations between them.
Il giorno 22/ott/2014 19:59, Dave Cole linuxcncro...@gmail.com ha
scritto:

 On 10/22/2014 2:33 PM, andy pugh wrote:
  On 22 October 2014 19:02, Dave Cole linuxcncro...@gmail.com wrote:
  On 10/22/2014 1:40 PM, andy pugh wrote:
  Hmm, thinking about it, how hard would it be for CL to drive axes
  directly? Perhaps that would go a long way towards helping.
  I think I have done what you are talking about.
 
  The limit3 component was key.
  That is one way, but I was meaning some sort of direct control of
  actual machine axes, such as moving the Z for a carousel or X and Y
  (and Z) for a rack.
 
  Admittedly the rack is now pretty simple with remapping. Perhaps what
  is really needed are a few documented examples of various styles of
  toolchanger.
 
  There is a rack example in sim/axis/remap, but I haven't tried it. (I
  don't actually have a toolchanger)

 Do you mean over-riding the machine axes to do the tool change while the
 program is still running?

 Is this similar to the jog while paused problem, except that you are not
 paused?

 Dave

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Re: [Emc-users] F0

[alex chiosso]

Hi Aram.
I was not exactly right before.
You have to use M67 Synchronized Analog Output that will allow you to
activate up to 16 analog output values (default AO number is 4 from 0 to 3 )
.
The Hal pins related to M67 are floating point type and their names are:

motion.analog-out-00
motion.analog-out-01
motion.analog-out-02
motion.analog-out-03

You should connect the Hal pin you want to use to your hardware pin
configured .
In this way you should be able to do what you need to do .
You can find detailed information here
http://www.linuxcnc.org/docs/2.5/html/gcode/m-code.html#sec:M67-Analog-Output
.

Alex

On Mon, Oct 20, 2014 at 11:53 AM, andy pugh bodge...@gmail.com wrote:

 On 20 October 2014 09:24, a k pccncmach...@gmail.com wrote:
  so, i can not remap G0 and/or  G1.
  right/wrong?

 That's what the docs say.


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Re: [Emc-users] Multiple instances of classicladder

[alex chiosso]

Hi Marius. CL can run only one instance.
Il giorno 18/ott/2014 21:43, Marius Alksnys marius.alks...@gmail.com ha
scritto:

 Is it possible to run multiple instances of classicladder? I want to run
 several identical production lines from one control system using cl.
 The idea is to design one cl for one line and load them like:
 loadrt classicladder_rt names=cl1,cl2,cl3,...

 loadusr classicladder (...)

 and connect signals to multiple cl instances in hal.

 I tried names, count, but these arguments are not recognised and this
 raises an error.

 Something like this would be useful:
 loadrt classicladder_rt names=cl1,cl2
 addf cl1.refresh some-thread
 addf cl2.refresh some-thread
 loadusr classicladder cl1 cl-t1.clp
 loadusr classicladder cl2 cl-t2.clp


 I tried also:
 loadrt classicladder_rt
 addf classicladder.0.refresh slow-thread
 loadusr classicladder cl-t1.clp
 loadusr classicladder cl-t2.clp

 System loads, but it loads only first loadusr instance and I get this
 warning:
 HAL: ERROR: duplicate component name 'classicladder'

 Any other suggestions?



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Re: [Emc-users] F0

[alex chiosso]

Hi Andy.
Is motion.motion-type listed and described into the documentation ?
I didn't see any reference to this pin .
Am I wrong ?

Regards

Alex

On Fri, Oct 17, 2014 at 1:32 PM, andy pugh bodge...@gmail.com wrote:

 On 17 October 2014 11:35, Marius Alksnys marius.alks...@gmail.com wrote:
  Maybe motion.current-vel and comp hal component, connected to some
  output pin will do the task for you?

 Yes, that is probably easier than a remap, I was answering the
 question asked rather than the question intended.

 I was wondering if motion.motion-type would work but that
 distinguishes between lines and arcs rather then feeds or traverses.

 --
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Re: [Emc-users] F0

[alex chiosso]

Thank you .
I am blind . :-)

Alex

On Fri, Oct 17, 2014 at 4:35 PM, andy pugh bodge...@gmail.com wrote:

 On 17 October 2014 15:14, alex chiosso achio...@gmail.com wrote:

  Is motion.motion-type listed and described into the documentation ?
  I didn't see any reference to this pin

 http://www.linuxcnc.org/docs/html/man/man9/motion.9.html

 (It is listed under debugging pins, and it is incorrect when it says
 These values are from src/emc/kinematics/tc.h as the file is
 actually  /src/emc/tp/tc_types.h )

 --
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Re: [Emc-users] F0

[alex chiosso]

Just a note .
The debugging pins aren't listed into the PDF doc (as I can see) .
I was watching that documentation .
Thanks again.

Alex

On Fri, Oct 17, 2014 at 4:40 PM, alex chiosso achio...@gmail.com wrote:

 Thank you .
 I am blind . :-)

 Alex

 On Fri, Oct 17, 2014 at 4:35 PM, andy pugh bodge...@gmail.com wrote:

 On 17 October 2014 15:14, alex chiosso achio...@gmail.com wrote:

  Is motion.motion-type listed and described into the documentation ?
  I didn't see any reference to this pin

 http://www.linuxcnc.org/docs/html/man/man9/motion.9.html

 (It is listed under debugging pins, and it is incorrect when it says
 These values are from src/emc/kinematics/tc.h as the file is
 actually  /src/emc/tp/tc_types.h )

 --
 atp
 If you can't fix it, you don't own it.
 http://www.ifixit.com/Manifesto


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Re: [Emc-users] F0

[alex chiosso]

Hi Sebastian.
I was looking at the Integrator Manual at the section that describes the
motion Hal component.
Il giorno 17/ott/2014 20:49, Sebastian Kuzminsky s...@highlab.com ha
scritto:

 On 10/17/2014 08:44 AM, alex chiosso wrote:
  Just a note .
  The debugging pins aren't listed into the PDF doc (as I can see) .
  I was watching that documentation .
  Thanks again.

 Which document are you looking at, Alex?

 The only pdf i can see that mentions motion pins at all is this one:

 http://www.linuxcnc.org/docs/2.6/pdf/LinuxCNC_Manual_Pages.pdf

 ... And it has motion.motion-type, since it's just a re-rendering of the
 motion.9 manpage.


 --
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Re: [Emc-users] F0

[alex chiosso]

Why do not use a custom M function syncronized to do that ?
M1xx G1 X100 Y240 F100
Into the M1xx you can fit the Hal code to perform what you need.
Il giorno 17/ott/2014 21:30, a k pccncmach...@gmail.com ha scritto:

 About:
 I was wondering if motion.motion-type would work but that
 distinguishes between lines and arcs rather then feeds or traverses.

 Motion can be 2 type -- first -- when machine does deposition/cutting -
 actual work and second - when machine position themself to the
 next beginning point.
 when machine does cutting/deposition -- that happened with G1  + feed.
 when machine position themself to the next beginning point then it use G0 -
 rapid move.
 I want really identify what kind of motion in any given moment -- is it G1
 (cutting -metal removing etc) or is it  G0 (rapid motion to the next
 starting point)
 When it is G1 then it will activate deposition system. When motion G0
 rapid- then i need to idle deposition system.
 some idea.







 On Fri, Oct 17, 2014 at 4:32 AM, andy pugh bodge...@gmail.com wrote:

  On 17 October 2014 11:35, Marius Alksnys marius.alks...@gmail.com
 wrote:
   Maybe motion.current-vel and comp hal component, connected to some
   output pin will do the task for you?
 
  Yes, that is probably easier than a remap, I was answering the
  question asked rather than the question intended.
 
  I was wondering if motion.motion-type would work but that
  distinguishes between lines and arcs rather then feeds or traverses.
 
  --
  atp
  If you can't fix it, you don't own it.
  http://www.ifixit.com/Manifesto
 
 
 
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Re: [Emc-users] Siemens simodrive 611

[alex chiosso]

The 611 only is analog and the 611D are digital .
Do you have the complete code for that servo drive ?
I do believe that with the Siemens product code you should be able to find
the PDF documentation on the net .
I used this servo system in the past years and it's quite similar to other
servo system with reference +/-10Vdc analog input voltage .
Wich kind of motors are connected ?
1FK6 or 1FK7. (this usually installed on machine tools .

Regards

Alex

On Thu, Oct 16, 2014 at 5:07 PM, andy pugh bodge...@gmail.com wrote:

 On 16 October 2014 16:01, David Armstrong cncbas...@gmail.com wrote:

  Anyone have information on the above servo systems from siemens and
  integrating to Linuxcnc

 JT has them on his Bridgeport.
 But I don't _think_ that machine runs LinuxCNC.

 --
 atp
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 http://www.ifixit.com/Manifesto


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Re: [Emc-users] Siemens simodrive 611

[alex chiosso]

Yes Dave you are right .
The D should mean (digital) the technology used on the control boards .

Alex

On Thu, Oct 16, 2014 at 5:36 PM, Dave Cole linuxcncro...@gmail.com wrote:

 The 611D's were also available with analog (+/- 10V) inputs.  (many
 options)

 Dave


 On 10/16/2014 11:26 AM, alex chiosso wrote:
  The 611 only is analog and the 611D are digital .
  Do you have the complete code for that servo drive ?
  I do believe that with the Siemens product code you should be able to
 find
  the PDF documentation on the net .
  I used this servo system in the past years and it's quite similar to
 other
  servo system with reference +/-10Vdc analog input voltage .
  Wich kind of motors are connected ?
  1FK6 or 1FK7. (this usually installed on machine tools .
 
  Regards
 
  Alex
 
  On Thu, Oct 16, 2014 at 5:07 PM, andy pugh bodge...@gmail.com wrote:
 
  On 16 October 2014 16:01, David Armstrong cncbas...@gmail.com wrote:
 
  Anyone have information on the above servo systems from siemens and
  integrating to Linuxcnc
  JT has them on his Bridgeport.
  But I don't _think_ that machine runs LinuxCNC.
 
  --
  atp
  If you can't fix it, you don't own it.
  http://www.ifixit.com/Manifesto
 
 
 
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Re: [Emc-users] Siemens simodrive 611

[alex chiosso]

David this
http://www.automation.siemens.com/doconweb/pdf/840c_1101_e/611a_iaa.pdf?p=1
is the user manual of Simodrive 611 analog.
As I told you if you can get the Siemens product code you will find all the
docs you need . :-)

Alex

On Thu, Oct 16, 2014 at 5:41 PM, alex chiosso achio...@gmail.com wrote:

 Yes Dave you are right .
 The D should mean (digital) the technology used on the control boards .

 Alex

 On Thu, Oct 16, 2014 at 5:36 PM, Dave Cole linuxcncro...@gmail.com
 wrote:

 The 611D's were also available with analog (+/- 10V) inputs.  (many
 options)

 Dave


 On 10/16/2014 11:26 AM, alex chiosso wrote:
  The 611 only is analog and the 611D are digital .
  Do you have the complete code for that servo drive ?
  I do believe that with the Siemens product code you should be able to
 find
  the PDF documentation on the net .
  I used this servo system in the past years and it's quite similar to
 other
  servo system with reference +/-10Vdc analog input voltage .
  Wich kind of motors are connected ?
  1FK6 or 1FK7. (this usually installed on machine tools .
 
  Regards
 
  Alex
 
  On Thu, Oct 16, 2014 at 5:07 PM, andy pugh bodge...@gmail.com wrote:
 
  On 16 October 2014 16:01, David Armstrong cncbas...@gmail.com wrote:
 
  Anyone have information on the above servo systems from siemens and
  integrating to Linuxcnc
  JT has them on his Bridgeport.
  But I don't _think_ that machine runs LinuxCNC.
 
  --
  atp
  If you can't fix it, you don't own it.
  http://www.ifixit.com/Manifesto
 
 
 
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Re: [Emc-users] Conditional code- GOTO

[alex chiosso]

Hi to all.
Wondering why the GOTO feature is a bad thing to have I was reading a USA
brand CNC manufacturer (Delta Tau PMAC-NC Pro2
http://www.deltatau.com/manuals/pdfs/PMAC-NC%20Pro2.pdf) and they use
GOTO as a standard function for the NC program control into parametric
programming FANUC style .
And they declare :

 To maintain FANUC compatibility, this form of a conditional expression
 should be adhered to.
 GOTO expressions goto can be followed by an expression 


Regards

Alex :-)

On Tue, Oct 7, 2014 at 3:50 PM, Dave Cole linuxcncro...@gmail.com wrote:

 On 10/7/2014 9:05 AM, Mark Wendt wrote:
  On Tue, Oct 7, 2014 at 8:51 AM, Dave Cole linuxcncro...@gmail.com
 wrote:
 
  Ugh.  Did you have to get on the Pennsy Turnpike?  Gawd, I hate that
  road.
  Mark
  I share that hate.   The PA turnpike should be condemned... just give up
  on it and build another road.
 
  Dave
 
 
  Especially sections between Pittsburgh and Breezewood.  And don't get me
  started on the Breezewood exit, especially on a weekend.
 
  Who was the brilliant engineer that decided to make the exit for I-70 off
  I-76 go through a town with a bunch of red lights?  It's even more
  ridiculous on the weekends.

 That is utter insanity.

 I've been through there a couple of times. My immediate thought was
 that some money changed hands to make this happen ! !

 I can see that happening because things changed over the years, but this
 is 2014 and that needs to be fixed.

 The last few trips to DC I have been avoiding the PA turnpike by driving
 south and then across Maryland.
 The PA turnpike is not worth it.   Its unsafe and they charge you $$ to
 drive it.

 Dave



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Re: [Emc-users] Conditional code- GOTO

[alex chiosso]

Hi to all.
I'm the beginner of the original mail thread Unconditional , Conditional
Program Jumps  .
Honestly the discussion is diverted from the initial point .
I'm talking about G code programming nothing else.
So what is conventional, best practises , dogma of whatever else in all of
the other programing languages is less important.
For sure , as it was pointed out , the majority (if not all) of the branded
manufacturers of CNC controllers implement
the GOTO statements inside their G code instruction sets.
I do believe that if this is true (and it is) the meaning is because it is
needed and/or useful .
For my personal experience the absence of this kind of instructions is a
missed opportunity of empowering and give more flexibility to the
conditional/unconditional programming .
I don't know how much difficult is to implement it into the LCNC G code
interpreter, so I only can make a wish hoping that the LCNC board of
developers will implement this feature .
If it's not possible I can only be sorry about that.
When you have a toolbox as much tools available you have as much freedom
you get.
After that anyone can use whatever tool wants to do the job.
The GOTO statement it's not breaking any fisical law to be rejected.
In particular for some of the applications I would make , without GOTOs is
simply not possible/not convenient to use LCNC due to the exaggerated
complication
of the G code program writing.
As Chris Radek wrote :

If someone wants to, and it gets done in a sane way (I think the
 0xxx LABEL ... 0xxx GOTO would be most consistent with the way our O
 words work), let's, as they say, thoughtfully consider the patch.


can be a good starting point.

Regards

Alex

On Sat, Oct 4, 2014 at 5:32 AM, craig cr...@facework.com wrote:

 The 200 branch go to:

 Many years ago,/in the days of punch cards and mainframes,/ I wrote, /in
 FORTRAN/ a complex radar system modeling/simulation tool to evaluate
 radar system designs in a variety of environments. The program used a
 large variety of signal generation and signal processing modules to
 predict how designs and design changes would change performance..  The
 program generated  simulated radar returns from simple and complex
 targets (things we might want to see), clutter (the things in the
 environment we didn't want to see) and jamming (signals the enemy might
 generate to make things difficult) for radar configurations, and
 dynamics. (What comes out of radar antennas is dependent on  the
 relative dynamics of anything that might be reflecting radar energy as
 well as antenna design and pointing. )

 There were modules to generate the various radar returns for various
 conditions and designs.  There were also modules to model the various
 signal processing elements in radar receivers, etc.

 The program flow was controlled by an integer array telling it what to
 do next after if finished each step using a 200 branch go to statement.
 It required a good understanding of radar systems and signal processing
 to run this program.   It was used to aid the design of a number of
 radar and sonar systems.

 Thirty years after I left that company somebody told me they just found
 a bug in the program.   They were still using it.

 Craig



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Re: [Emc-users] Conditional code- GOTO

[alex chiosso]

Hi Dave .
I never asked to anybody on the board this issue.
I honestly don't know how to do it .
I opened the thread on this specific argument to discuss, understand , feel
the opinion of the user on it.
Never in my mind to see a so strong reaction from a part of the people I
read .
I'm not a software guru or LCNC expert so I'm not able to do the patch by
myself.
Can you kindly explain me how to express an official request to the LCNC
board of developers.
To convince them to examine my request is not easy for me.
First of all I'm not so confortable with the english writing to express my
self fully .
I tried during the thread to explain why the GOTO (or whatever
function/instruction can do the same thing) can be useful to produce clear
and well structured G code but maybe I failed .
If I will have the opportunity to perorate this request in any way possible
I will do it.
If a feature is transversal between different CNC manufacturers to be a
sort of standard why LCNC shudn't have it ?

Regards

Alex






On Sat, Oct 4, 2014 at 2:01 PM, Dave Cole linuxcncro...@gmail.com wrote:

 Hi Alex,

 If you really want this feature, then you need to either write the code
 and submit a patch or convince someone else to do the same.

 Chris is on the board, and I don't see him waving a flag for the
 implementation of the GOTO.

 I can see where an unconditional GOTO could be useful for quickly
 hacking Gcode, but the conditional code implementation looks
 questionable in value since there
 are already conditional constructs in the existing Gcode that work fine.

 Dave


 On 10/4/2014 7:04 AM, alex chiosso wrote:
  Hi to all.
  I'm the beginner of the original mail thread Unconditional , Conditional
  Program Jumps  .
  Honestly the discussion is diverted from the initial point .
  I'm talking about G code programming nothing else.
  So what is conventional, best practises , dogma of whatever else in all
 of
  the other programing languages is less important.
  For sure , as it was pointed out , the majority (if not all) of the
 branded
  manufacturers of CNC controllers implement
  the GOTO statements inside their G code instruction sets.
  I do believe that if this is true (and it is) the meaning is because it
 is
  needed and/or useful .
  For my personal experience the absence of this kind of instructions is a
  missed opportunity of empowering and give more flexibility to the
  conditional/unconditional programming .
  I don't know how much difficult is to implement it into the LCNC G code
  interpreter, so I only can make a wish hoping that the LCNC board of
  developers will implement this feature .
  If it's not possible I can only be sorry about that.
  When you have a toolbox as much tools available you have as much freedom
  you get.
  After that anyone can use whatever tool wants to do the job.
  The GOTO statement it's not breaking any fisical law to be rejected.
  In particular for some of the applications I would make , without GOTOs
 is
  simply not possible/not convenient to use LCNC due to the exaggerated
  complication
  of the G code program writing.
  As Chris Radek wrote :
 
  If someone wants to, and it gets done in a sane way (I think the
  0xxx LABEL ... 0xxx GOTO would be most consistent with the way our O
  words work), let's, as they say, thoughtfully consider the patch.
 
  can be a good starting point.
 
  Regards
 
  Alex
 
  On Sat, Oct 4, 2014 at 5:32 AM, craig cr...@facework.com wrote:
 
  The 200 branch go to:
 
  Many years ago,/in the days of punch cards and mainframes,/ I wrote, /in
  FORTRAN/ a complex radar system modeling/simulation tool to evaluate
  radar system designs in a variety of environments. The program used a
  large variety of signal generation and signal processing modules to
  predict how designs and design changes would change performance..  The
  program generated  simulated radar returns from simple and complex
  targets (things we might want to see), clutter (the things in the
  environment we didn't want to see) and jamming (signals the enemy might
  generate to make things difficult) for radar configurations, and
  dynamics. (What comes out of radar antennas is dependent on  the
  relative dynamics of anything that might be reflecting radar energy as
  well as antenna design and pointing. )
 
  There were modules to generate the various radar returns for various
  conditions and designs.  There were also modules to model the various
  signal processing elements in radar receivers, etc.
 
  The program flow was controlled by an integer array telling it what to
  do next after if finished each step using a 200 branch go to statement.
  It required a good understanding of radar systems and signal processing
  to run this program.   It was used to aid the design of a number of
  radar and sonar systems.
 
  Thirty years after I left that company somebody told me they just found
  a bug in the program.   They were still using it.
 
  Craig

Re: [Emc-users] Conditional code- GOTO

[alex chiosso]

Hi Dave .
Thank you so much for the help you are giving me .
Your detailed clarifications are important for me.
I really appreciate .

Hi Gene.
As always it's a pleasure for me to read your stories .
So you never hurt me . ;-)

Regards

Alex


On Sat, Oct 4, 2014 at 6:47 PM, Gene Heskett ghesk...@wdtv.com wrote:

 On Saturday 04 October 2014 12:09:57 Dave Cole did opine
 And Gene did reply:
  Hi Alex,
 
   I never asked to anybody on the board this issue. 
 
  I understand.   But several of the board members are now obviously
  aware of your desire to have a GOTO instruction in the LinuxCNC
  gcode language.
 
   I honestly don't know how to do it .
 
  Ok..  I didn't know.   I just wanted to try and help you.
  So you will need to convince someone else to alter the program and
  submit a patch for review.  Then it may or may not be included in the
  official releases of LinuxCNC in the future.  However, if you have a
  patch, you can apply that to LinuxCNC yourself and recompile the
  program and gain that functionality.  There are instructions on the
  LinuxCNC website on how to get and compile the LinuxCNC source code.
 
  Never in my mind to see a so strong reaction from a part of the
  people I
 
  read .
 
  Don't take it personally.
 
  Some programmers have strong negative feelings about the GOTO
  instruction. Some really horrendous code has been written with the
  help of the GOTO instruction. Extensive use of the GOTO instruction is
  generally associated with bad programming practices.

 And I guess I am one of them crusty old programmers as I'm celebrating
 my 80th today.  I have carved code in several languages but except for
 some early efforts in basic, haven't used a goto in any other language
 that effectively did have it by whatever name.  I have, after that basic
 disaster, which was scrapped in the long run  the function re-written in
 assembler and C combined, pretty much looked at a goto as the equ of a
 painter painting himself into a corner.  Its not only embarrassing, but
 seems to show a lack of forethought in how to go about solving the problem
 at hand.  That isn't intended to insult anyone who does use it by design,
 just that I have learned to think about how to do it which automatically
 assumes it does not exist, and usually have a pseudo code written out and
 printed as an outline to follow before a real line of code is typed.

  Can you kindly explain me how to express an official request to the
  LCNC
 
  board of developers. 
  Making an official request to the board may very well result in no
  changes unless they personally are interested in making the changes.
 
  Here is the official How to contribute web page.
  http://www.linuxcnc.org/docs/html/code/Contributing-to-LinuxCNC.html
 
  First of all I'm not so comfortable with the english writing to
  express my
 
  self fully .
 
  You do very well.

 I'll have to agree.
 
  I tried during the thread to explain why the GOTO (or whatever
 
  function/instruction can do the same thing) can be useful to produce
  clear and well structured G code but maybe I failed .
 
  I don't think that was an argument that you or anyone else could win on
  this list.
 
  If a feature is transversal between different CNC manufacturers to be
  a
 
  sort of standard why LCNC shudn't have it ?
 
  Good question.
 
  Regards,
 
  Dave

 [...]

 Cheers, Gene Heskett
 --
 There are four boxes to be used in defense of liberty:
  soap, ballot, jury, and ammo. Please use in that order.
 -Ed Howdershelt (Author)
 Genes Web page http://geneslinuxbox.net:6309/gene
 US V Castleman, SCOTUS, Mar 2014 is grounds for Impeaching SCOTUS


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Re: [Emc-users] Conditional code- GOTO

[alex chiosso]

Hi , Gentlemen .
Seems to be difficult to keep the level of the discussion without to be
misunderstood.
I'm not asking to anybody to do nothing on the fly .
I'm not so stupid .
I was wondering if this GOTO coding feature is first of all interesting to
have and secondary how difficult is to implement it.
One point of displeasure is that even Mach4 have this GOTO ..
Andy , because everything is relative the fact that you say that is only
a statement adding/changing in a C++ file maybe it's clear and easy for you
but sure it is not for me.
So excuse me if I'm not so smart . :-)
Anyway  peace .

Alex


On Sat, Oct 4, 2014 at 10:01 PM, Dave Cole linuxcncro...@gmail.com wrote:

 I've heard that complaint also but how could this be different?

 LinuxCNC is open source software that anyone can modify if they have the
 skills.

 There are some very skilled programmers who volunteer their time to make
 improvements to LinuxCNC and I really appreciate their efforts.  :-)

 How can I expect them to not only volunteer their time to improve the
 software but also write software to include functions that they disagree
 with?

 I wouldn't do that!   After all, the general goal is to move the
 software forward.

 I've always received a LOT of assistance whenever I have asked questions
 about how to make changes via hal or whatever.

  If this were a commercial product some marketing person would write a
 product requirement, the programmers would make it happen and the
 industrial users would be pleased.

 Not necessarily. Say that some user convinces the US Fanuc marketing
 guys that a product change would be good for this particular customer;
 Do you think that Fanuc is going to immediately include that feature?
 No way.

 Dave









 On 10/4/2014 2:53 PM, Ron Ginger wrote:
  One of the complaints often heard about LinuxCNC is that it is
  controlled by a small group of programmers and the only things they add
  are things they like/want. They make the holy pronouncement that if you
  like you can always do it yourself and we will consider it for
  inclusion. So even if a person has the ability to do the code it may or
  may not be included. The reality is that it is very difficult for a
  person not a trained software engineer to do the modifications to
  something as complex as LinuxCNC.
 
  Who represents the view that a feature is common in industrial controls,
  so it ought to be in linuxCNC, even if the now very old NIST effort to
  create a standard did not include it? If this were a commercial product
  some marketing person would write a product requirement, the programmers
  would make it happen and the industrial users would be pleased.
 
  ron ginger
 
 
  On 10/4/2014 1:47 PM, emc-users-requ...@lists.sourceforge.net wrote:
  Some programmers have strong negative feelings about the GOTO
 instruction.
  Some really horrendous code has been written with the help of the GOTO
 instruction.
  Extensive use of the GOTO instruction is generally associated with bad
 programming practices.
 
 
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Re: [Emc-users] Uncondiftional , Conditional Program Jumps .

[alex chiosso]

Hi to all.
First of all thank you for your opinions.
I'm Italian but I'm not  a stupid BASIC spaghetti programmers. [ ;-) ]
Especially in CNC programming where usually the program flow from top to
bottom and stops at the end with M2 (with no infinite loop as a void main
) and you need to do a complex logical flow (conditional and
unconditional) within the program to perform the various tasks (not
essentially machining code) the GOTO statements are widely used.
The fact that all the main CNC manufacturers include this kind of
programming feature demonstrate that this way is far from obsolete but
exactly the opposite.
Also the emblazoned Haas machine manufacturer include the GOTO in their
CNC G code programming language instruction set.
Also the robot controllers programming languages (whatever brand) include
the GOTO statements too.
And , following the Chris opinion :

 besides if someone wants to write 'bad' gcode with gotos that
 work, who are we to tell them how to program :)

I wonder to know how difficult is to implement the GOTO logical operators
within the LCNC G Code interpreter.

Regards

Alex






On Fri, Oct 3, 2014 at 6:55 AM, Chris Morley chrisinnana...@hotmail.com
wrote:



  Date: Thu, 2 Oct 2014 22:33:53 -0400
  From: linux...@thinkingdevices.com
  To: emc-users@lists.sourceforge.net
  Subject: Re: [Emc-users] Uncondiftional , Conditional Program Jumps .
 
  I was a bit surprised to see that LinuxCNC didn't have an unconditional
  jump, ie a GOTO.  I chalked it up to LinuxCNC being written by
  programmers, and the structured programming Nazis have beaten it into
  their heads that GOTO statements are evil, and only stupid BASIC
  spaghetti programmers use them.
 

 I tend to agree with you. bad use of goto is .. bad.
 good and sparse use of goto is fine, possibly good.

 Just look at our beloved HAL code ( coded in C )
 you will see lots of goto statements for error cleanup/messages.
 makes the code easy to follow and clean.

 besides if someone wants to write 'bad' gcode with gotos that
 work, who are we to tell them how to program :)

 Chris M


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Re: [Emc-users] Uncondiftional , Conditional Program Jumps .

[alex chiosso]

Honestly I don't understand what evil is inside the GOTO statement to be
rejected .
As I told before so many CNC manufactures are including it in their G Code
dialects .
So are they living on another planet ?
A programmer can write bad code without any use of GOTO.
So why the absence of GOTO is saving a programmed from write bad code ?
I'm deeply convinced (by the practical usage) that with GOTO is possible to
write programs much more clear and structured than without.

Regards

Alex

On Fri, Oct 3, 2014 at 9:12 AM, Churms, Cecil cecil.chu...@debeersgroup.com
 wrote:

 I am reminded of a sign on one of the computer science professor's door at
 the university where I worked:

 GOTO is an obscene four-letter word and should only be used in dire
 emergencies - but even then, not in good company

 ...or something to that effect.

 That kind-of sums it up :-)

 Regards

 Cecil

 -Original Message-
 From: Marcus Bowman [mailto:marcus.bow...@visible.eclipse.co.uk]
 Sent: 02 October 2014 11:59 PM
 To: Enhanced Machine Controller (EMC)
 Subject: Re: [Emc-users] Uncondiftional , Conditional Program Jumps .


 On 2 Oct 2014, at 18:32, andy pugh wrote:

  On 2 October 2014 17:59, alex chiosso achio...@gmail.com wrote:
 
  I've checked out the jump functionality (within the G code) used
  from several CNCs on the market (Fanuc,Siemens ,Heidenhain,Fagor ...)
  and it is present.
 
  Nearly every other programming language either does not have a
  jump/goto or deprecates the use of it.
 

 I second that emotion

 .


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Re: [Emc-users] Uncondiftional , Conditional Program Jumps .

[alex chiosso]

Hi Erik .
Nice terms usage (GOTO-phobia) .
You explained the concept clearly and effectively .

Alex

On Fri, Oct 3, 2014 at 10:24 AM, Erik Christiansen dva...@internode.on.net
wrote:

 On 03.10.14 04:55, Chris Morley wrote:
  I tend to agree with you. bad use of goto is .. bad.
  good and sparse use of goto is fine, possibly good.

 Ah, awareness ... good to see on a thread with a sad amount of
 misinformed absolutism.

 For any still under the thrall of absolutist teaching in their formative
 youth, please consider C's break which ends any switch case which does
 not fall through to the next. It _is_ a goto. (They all goto the same
 place.)
 The aliased name is just syntactic candy.

 In the ITUT Specification and Description Language (SDL), there is a
 JOIN command, much used to avoid unreliable code duplication in the
 event-driven embedded systems on which it is used. It is a GOTO, but the
 different name makes it legit in the eyes of those with GOTO-phobia.

 It is possible that impressionable undergraduates missed one word in the
 lecture goto should almost always be avoided. They may also have
 failed to realise that the lecturer was talking to ultimate noobs, not
 experienced programmers.

  Just look at our beloved HAL code ( coded in C )
  you will see lots of goto statements for error cleanup/messages.
  makes the code easy to follow and clean.
 
  besides if someone wants to write 'bad' gcode with gotos that
  work, who are we to tell them how to program :)

 It is clumsy and confusing to use them where a more structured, and
 therefore more descriptive, construct is available. Not for nought is it
 said that a determined programmer can write fortran in any language.

 Erik

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Re: [Emc-users] LinuxCNC Meeting Stuttgart, Germany 2014

[alex chiosso]

Hi Christian .
So the Meeting will be on October 25th and 26th , ins't it ?
I'm planning to be there .
I would like to be on site since Friday 24th early afternoon is it possible
?
I can help you to prepare the site if you want or whatever else you need to
do for the Meeting.
If something is changed please let me know.

Regards

Alex

On Fri, Sep 12, 2014 at 1:44 PM, Christian Stöveken 
christian.stoeve...@gmail.com wrote:

 On Fri, Sep 12, 2014 at 9:35 AM, Marius Alksnys marius.alks...@gmail.com
 wrote:

  I could bring electric cabinet I built for Reis RV6 robot, connect it to
  the ABB robot and try to run it. Probably I could prepare for this in
  advance.
  It has Mesa electronics with 5i23, 7i44, 7i37, 6x 8i20 and 7i49 for
  resolvers, THCAD.
 
  Are you interested?
 

 Sure, why not.


  If the answer is YES, then..
  For connection connector adapters are needed from Reis to ABB. For this
  connector parts to cabinet (Reis side) are needed:
  http://www.tme.eu/parking/99d7c3c845593fe353a7848e4474a3bb9d2b2676.html


 That's a Harting Han-72-DD connector - I will check on monday if we have
 one lying around.

 The ABB has a Harting Han-40-D - and I already organized 3 connectors with
 wires.
 Also I already figured out the pinout of the ABB's.

 ... could
  you please figure out what we would need to make adapters?
 

 Pinout of the Reis Han 72 DD, a soldering Iron and some shrinking tube I
 guess ;-)

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Re: [Emc-users] Uncondiftional , Conditional Program Jumps .

[alex chiosso]

Hi to all.
After a few days and no answer at all I have to deduce that the argument is
not interesting. :-(
I've checked out the jump functionality (within the G code) used from
several CNCs on the market (Fanuc,Siemens ,Heidenhain,Fagor ...) and it is
present.
Believe it or not this is really useful and widely used .
So I would like to know your opinion (dear Gentlemen) and understand if it
is too difficult to implement at G code interpreter level .

Regards

Alex





On Wed, Sep 24, 2014 at 4:01 PM, alex chiosso achio...@gmail.com wrote:

 Hi to all.
 I'm testing some Gcode programs trying to experiment the LinuxCNC Gcode
 (dialect) flexibility and functional power .
 I've to say that I'm not oriented to a machine tool application
 (everything but the machine tool) .
 So for that reason the approach is a bit unconventional .
 Usually for that kind of applications when using a CNC I start the Gcode
 main program and during the execution I can jump forward and backward (to a
 Label/line number) within the program (and subs) and never end the program
 execution until a program stop is requested from the operator or another
 external request.
 The jump sintax is quite simple and clear regardless the CNC brand (for my
 personal experience).
 As an example I point to you the Siemens Sinumerik way to do it :
 Sinumerik Programming Manual Fundamentals
 http://www.automation.siemens.com/doconweb/pdf/SINUMERIK_SIMODRIVE_04_2010_E/PG.pdf?p=1
 See the Section 10 Arithmetic Parameters and Program Jumps

 I looked into the LCNC user manual but I didn't find nothing comparable .
 I know about the o words and the conditional looping or program
 switching .
 But this way is too much constrictive and in some case not fitting the
 application.
 Especially if a structured and parametric program is needed where to jump
 back and forth is a must to have.
 If there is a workaround please let me know I will appreciate.
 As usual I have to say that this is not a criticism to anybody but just
 a point to discuss with you.

 Regards

 Alex

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[Emc-users] Uncondiftional , Conditional Program Jumps .

[alex chiosso]

Hi to all.
I'm testing some Gcode programs trying to experiment the LinuxCNC Gcode
(dialect) flexibility and functional power .
I've to say that I'm not oriented to a machine tool application (everything
but the machine tool) .
So for that reason the approach is a bit unconventional .
Usually for that kind of applications when using a CNC I start the Gcode
main program and during the execution I can jump forward and backward (to a
Label/line number) within the program (and subs) and never end the program
execution until a program stop is requested from the operator or another
external request.
The jump sintax is quite simple and clear regardless the CNC brand (for my
personal experience).
As an example I point to you the Siemens Sinumerik way to do it :
Sinumerik Programming Manual Fundamentals
http://www.automation.siemens.com/doconweb/pdf/SINUMERIK_SIMODRIVE_04_2010_E/PG.pdf?p=1
See the Section 10 Arithmetic Parameters and Program Jumps

I looked into the LCNC user manual but I didn't find nothing comparable .
I know about the o words and the conditional looping or program switching
.
But this way is too much constrictive and in some case not fitting the
application.
Especially if a structured and parametric program is needed where to jump
back and forth is a must to have.
If there is a workaround please let me know I will appreciate.
As usual I have to say that this is not a criticism to anybody but just a
point to discuss with you.

Regards

Alex
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Re: [Emc-users] Tuning a spindle servo

[alex chiosso]

Hi .
I have to be agree with Gene on the man pages
interpretation/description/decoding .
I'm not criticizing anyone and I appreciate the efforts that the project
stuff is making everyday .
But reading some hal component man pages sometimes the description is
hermetic and cryptical and even missing a clear example on the usage and
the correct instantiation .
For sure for the most of you (gurus and geeks) everything is clear but for
a medium brained like I am sometimes is really hardful (even impossible) to
understand correctly what the man page mean .

Regards

Alex

On Sun, Sep 21, 2014 at 6:28 AM, Jon Elson el...@pico-systems.com wrote:

 On 09/20/2014 06:39 PM, Gene Heskett wrote:
 
  So, could we at some point, have a gearchange that works like the man
 page
  says it does, or an accurate man page?
 
 
 Please report to John Thornton, or file a bug report with
 the LinuxCNC
 group.  They will have to decide if it is an actual bug, or
 just a
 documentation problem.  I think John Thornton was actually the
 author of gearchange, so even more appropriate that he look at
 the docs for it.

 Jon


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