Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Danny Miller]

No command line anything here.  I would not characterize LinuxCNC like 
that at all.  It ABSOLUTELY is a GUI tool.


We use the WHB04 wireless mpg for everything but loading the file, 
looking at the job, and the occasional rescue from broken bits and misc 
catastrophes (rolling the job back to a specific line/feature) sends 
people to the terminal.  Which is all GUI.


The MDI will allow you to command-line g-code if you like. Really mainly 
to g0 x... y... which few ever do.  Literally no one types in probe 
commands manually on this machine.


It is a community shop with MANY users.  LinuxCNC is friendly.  I have 
personally instructed about 100 people on it, the vast majority have not 
used any CNC before.  We do about 2.5 hrs of classroom theory/CAD/CAM 
and another 2hrs at the machine going through the 5x8 machine's LinuxCNC 
interface.  I teach a lot pretty fast.


The WHB04 has a Probe-Z cycle button, and Safe-Z to lift to a machine 
coord z-max.  Jogging is usually done via mpg and zeroing axes, 
start/pause/stop is pretty much always is done via mpg buttons.  Only a 
few people use GUI buttons and nobody uses keystrokes.


Everything about the WHB04 was built in the HAL.  Which was very 
esoteric, but powerful.


Danny

On 6/3/2019 12:27 AM, Andy Pugh wrote:



On 2 Jun 2019, at 23:41, John Dammeyer  wrote:

LinuxCNC is still very much a command line type application compared to a 
WYSIWYG graphical application.

I don’t think that is entirely true. Admittedly there are a lot of scripts in 
the background handling the config, but you don’t deal with those on a day to 
day basis...

Now with MACH3 I can clip my little PC board to the router bit, set the PCB 
under the router bit where I want my zero.  Click on a button  on the screen

... Though I admit that I still use MDI for Z probing, (G38.2 F20 Z-10) which 
is a bit command-live-ey.

I have installed a nest probe screen but never got round to setting up the INI 
parameters for it.
https://forum.linuxcnc.org/49-basic-configuration/29187-work-with-probe#58620




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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[John Dammeyer]

Hi Andy,
> > On 2 Jun 2019, at 23:41, John Dammeyer  wrote:
> >
> > LinuxCNC is still very much a command line type application compared to a
> WYSIWYG graphical application.
> 
> I don�t think that is entirely true. Admittedly there are a lot of scripts in 
> the
> background handling the config, but you don�t deal with those on a day to day
> basis...
> >
> > Now with MACH3 I can clip my little PC board to the router bit, set the PCB
> under the router bit where I want my zero.  Click on a button  on the screen
> 
> ... Though I admit that I still use MDI for Z probing, (G38.2 F20 Z-10) which 
> is a
> bit command-live-ey.
> 
> I have installed a nest probe screen but never got round to setting up the INI
> parameters for it.
> https://forum.linuxcnc.org/49-basic-configuration/29187-work-with-
> probe#58620

I think you answered my question.  The moment you have to use the MDI to do 
anything you are into the Linux world of do it from the command line.  That 
means you have to either remember the text commands or keep a cheat sheet 
handy.  I'd have to look up what a G38.2 does.  That assumes that I know a 
G38.2 exists to know to look it up.  And if I've not used the program for six 
months that sort of stuff goes away pretty quickly.

Your nest probe screen demonstrates my other point quite well too.  For all the 
different Linux (and MachineKit) installations I've done as I play with this, 
I've yet to see those two screens: Auto Tool Measurement and Probe Screen.

One probably just has to, ... wait for it... "type something on the command 
line" to get that to show up in LinuxCNC.  

In the past 30 years I doubt I've probably spent more than a total of a couple 
of hours on a Windows CMD or DOS screen.  Pretty well everything you want to do 
up until Android showed up, followed IBM's CUA interface or ease of use. 

Now having said all that, G-Codes written into an editor are a program and are 
executed line by line by a command line parser in effect.  And to test bit of a 
G-Code program one has to type them in to see what happens.

I believe the success of MACH3 on Windows is because it is so easy.  But it 
doesn't make MACH3 better and many people offered either for free or for a fee, 
different screen sets.  To improve on the original.  Or just make money.

But the overall 'use' philosophy is just different.  I think that's why I'd 
love to see a MACH3 screen set for LinuxCNC.  If the LinuxCNC community ever 
wanted to bring over more users who would then buy more powerful MESA cards or 
other hardware etc. that's the way to do it.  

The rest of Linux Debian Stretch is for the most part just another windowing 
interface without a START button.   When I've booted into the Linux OS instead 
of WIN-XP and I need to look something up on line I use the Linux Web Browser.  
I don't walk over to a different machine.  If I want to look at a text file I 
use the visual Linux editor like notepad.  Not the command line version.  Look 
for files in folders, again, not the command line but the file manager program.

So my plan, if I haven't stated it well enough yet, is to create a migration 
document that makes it easy for someone who used MACH3 on a regular basis (or 
not so regular) to install and run a MACH3 like LinuxCNC without having to 
change their hardware.  

I don't know yet if I will be successful.

John






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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Andy Pugh]

> On 2 Jun 2019, at 23:41, John Dammeyer  wrote:
> 
> LinuxCNC is still very much a command line type application compared to a 
> WYSIWYG graphical application.  

I don’t think that is entirely true. Admittedly there are a lot of scripts in 
the background handling the config, but you don’t deal with those on a day to 
day basis...
> 
> Now with MACH3 I can clip my little PC board to the router bit, set the PCB 
> under the router bit where I want my zero.  Click on a button  on the screen

... Though I admit that I still use MDI for Z probing, (G38.2 F20 Z-10) which 
is a bit command-live-ey. 

I have installed a nest probe screen but never got round to setting up the INI 
parameters for it. 
https://forum.linuxcnc.org/49-basic-configuration/29187-work-with-probe#58620




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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Gene Heskett]

On Sunday 02 June 2019 08:16:24 pm John Dammeyer wrote:

>  Hey Gene,
>
> > If you've got noises bad enough to mess with the encoder, I'll bet a
> > bottle of suds your grounding system violates the single point
> > "star" rule. You want shielded cables yes, but all shields and all
> > ground commons come back to a single long bolt, and none of it is
> > grounded any place else. Any other ground, including the 3rd static
> > ground in the power cords is a ground loop and will intro noise.
> > Only one master connection to the reference ground should be
> > allowed.
>
> You haven't read the CUI data sheet then.  My mouth dropped when I
> read the specs and looked at the cable they make for this encoder. 
> It's shielded 14 or 18 conductor depending on the model.  At the
> encoder end there's a teensy little connector along with a loose wire
> with a ring terminal  The data sheet clearly says this ring terminal
> is connected to the 5V ground and should be fastened to the motor
> frame.  (which ultimately leads back of course to your big ground
> bolt).
>
And creates a huge ground loop.

The shielding on the motors drive cables should quit before it gets to 
the motor and the other end should be tied to ground at said bolt.

The motor is bolted solidly to the machine frame in 99.99% of the cases 
unless you made the adaptors on a 3d printer.  You should have as a 
motor ground, one 10 gauge or so wire from the machines frame back to 
that single bolt.  The shielding of the encoders cable should be fixed 
to this bolt.

I am assuming the encoder itself is an ABX, and that in this case it has 
+A and -A outputs, ditto for B and X. I have such an encoder, but its an 
Omron with those 6 wires plus a 5 volt supply and a supply return, which 
also goes to THAT bolt. Thats 8 wires and the shield.  This encoder is 
driven by a rubber coupler, from a brass extension I drilled into the 
rear of the G0704's 1 HP motor, and in effect made a rear shaft for a 
motor that doesn't have one. Its all grounded to the rear of the motor 
housing by virtue of 4 brass standoffs into the motor cover. The 
shielding may go into the encoder, but I found no continuity from its 
cable shield to any metallic part of it.

In my case I am not using the X outputs as that is still coming from the 
original optical interrupter encoder I made and put on the spindle, so 
the scale value now changes with the heads gear position, which I have 
tally switches on which go true only it the knob is within about 2 
degrees of home in either position. Scale changes are done in the hal 
file. You should need to fool with that after the initial calibration.

Now, since I wasn't aware this encoder was differential output when I 
bought it, and I frankly don't think the vendor knew the difference 
either as it wasn't in the specs he listed on fleabay.  It didn't have 
near enough swing to feed a 5i25 encoders single ended inputs directly. 
So I had a dilemma to solve.

So I now have a pair of $2/copy on ebay, rs485 to ttl boards, preset to 
disable its duplex stuff, in a small Hammond die cast box in the middle 
of the cable, powered by the 5 volts and ground going by towards the 
encoder with the rs485 green screw socket connected to the + & - of of 
each channel, and the ttl pins on the other end of this teeny little 
card are routed on to the breakout and hence to the 5i25's encoder 
inputs.  The optical X is already a cmos rail to rail switch so it goes 
straight to the 5i25's x input, by way of the breakout.  You'd need 3 of 
those little boards because you'll need to do the same for your X.

I found them so handy I bought another 10 pack for spares or ???
 
==

The breakout was sainsmart, but is now a 7i76's only encoder input, works 
exactly the same once I'd fixed the routing in the halfile. 

Noise has never been a problem, and the rs485 receivers have worked 
flawlessly.  And since I was gain switching the scaling with the tally 
switch status, I took advantage of the neutral position when neither 
switch was closed, to feed about a 25 rpm signal to the motor driver.  
So I can have it running at 3 grand in high gear, reach up and grab the 
gear shift knob, turn it as fast as I want/can and its down to 25 rpm in 
a 200 milliseconds, long before the gears have disengaged then as the 
knob continues to turn, the other gear engages while its turning too 
slow to damage anything, and when the final switch closes it returns to 
1500 rpms. ditto going the other way too.
 
> The other end of this 36" cable has 6" unshielded and a 3 length
> connected to the shield.  That one of course should go to your big
> bolt.
>
> But that they want me to connect 3 different motors 5V Gnd at
> dramatically different parts of the frame to the frame boggles my
> mind.

Mine too John.

> The reason I'm trying a replacement encoder is because Henrik Olsson
> had nothing  but troubles with his HP_UHU servo drives and the US
> Digital encoders.  He was fortunate enou

Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[John Dammeyer]

 Hey Gene,

> If you've got noises bad enough to mess with the encoder, I'll bet a
> bottle of suds your grounding system violates the single point "star"
> rule. You want shielded cables yes, but all shields and all ground
> commons come back to a single long bolt, and none of it is grounded any
> place else. Any other ground, including the 3rd static ground in the
> power cords is a ground loop and will intro noise. Only one master
> connection to the reference ground should be allowed.

You haven't read the CUI data sheet then.  My mouth dropped when I read the 
specs and looked at the cable they make for this encoder.  It's shielded 14 or 
18 conductor depending on the model.  At the encoder end there's a teensy 
little connector along with a loose wire with a ring terminal  The data sheet 
clearly says this ring terminal is connected to the 5V ground and should be 
fastened to the motor frame.  (which ultimately leads back of course to your 
big ground bolt).

The other end of this 36" cable has 6" unshielded and a 3 length connected to 
the shield.  That one of course should go to your big bolt.

But that they want me to connect 3 different motors 5V Gnd at dramatically 
different parts of the frame to the frame boggles my mind.

The reason I'm trying a replacement encoder is because Henrik Olsson had 
nothing  but troubles with his HP_UHU servo drives and the US Digital encoders. 
 He was fortunate enough to have several other brands handy and had absolutely 
no overrun errors ever.  Even with the cables wrapped around the motors a 
number of times.  But put the US Digital one back in and constant overrun 
errors. Mine aren't as bad as his but then mine are a slightly different model. 
 So although I've got a clean system and signals that look perfect on the scope 
(like his did) I thought it was time to at least verify that the encoders 
weren't the problem.   

I even went as far as buying braided shielded twisted pair 16g motor cable.  
Not cheap.  So if the new encoders work then we know it's something with the US 
Digitals.  And I am using differential pairs for A and B.  The receiver is a 
75115.  I've even wired in termination at the encoder end so the cable is a 
properly balanced transmission line.

So at the moment we're thinking that the US Digital units are sensitive to 
magnetic interference from the acceleration or deceleration heavy current. 
(105VDC power supply and a motor rated to momentarily draw 40A but steady 
current at 9A).

And it doesn't matter whether the PC is running LinuxCNC or MACH3.  Henrik 
designed and sells a replacement CPU module that plugs in place of Uli's UHU 
Atmel processor.  It's dsPIC based and has the hardware quadrature support.  So 
he doesn't use interrupts on encoder edges and perhaps might not have the 
problems.  But I agree with him that if I can get overrun errors from the Atmel 
UHU processor then switching to something else won't solve the problem.  Might 
only just hide it.

If I use the stepper motor power supply (60VDC) I can mount my two Gecko Servo 
Drives in place of the HP_UHU but then I'd never get full speed from the motors 
and I still wouldn't know if I was having problems until I would perhaps see a 
home not agree with my Shumatech DRO.

And be aware this mill conversion project with the HP_UHUs started back in 
2008.  And just gets postponed by a year or so every once in a while.  The mill 
with the scales and DRO has been adequate for most precise operations that I 
need to do.  One of My Electronic Lead Screw controllers driving the GECKO 
950oz/in knee motor through a 3:1 toothed belt has made raising the knee 
simple.  Another ELS on my rotary table as simplified much of that work.  

At the moment I don't really 'need' CNC on the mill.  I just want it.

I think I posted a youtube link before with a BeagleBone Black, Xylotex Cape 
and MachineKit exercising the knee and the Y axis.  The motor mounts are all 
castings.  This link is with MACH3 running the roadrunner.tap GCode sample.
https://youtu.be/OUQzyp-3WXY

That's when I discovered the move to home after it was done was out by a few 
thou.  So for now it's been two steps backwards and one step forward.  You can 
see the US Digital encoder on the X motor.  Nice totally shielded aluminium 
cover.  The CUI has more plastic bits.  I'll let you know how it works out.

John






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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[John Dammeyer]

Thanks Phillip.
> 
> Gmoccapy has buttons you can assign macros to.
> http://linuxcnc.org/docs/devel/html/gui/gmoccapy.html#gmoccapy:macros
> 
> 

Really looking forward to digging into the whole user interface part of 
LinuxCNC.
John




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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Phillip Carter]

> On 3 Jun 2019, at 7:41 am, John Dammeyer  wrote:
> 
> LinuxCNC is still very much a command line type application compared to a 
> WYSIWYG graphical application.  Since I have the retention span of a grape I 
> can bring up the help, read something, get rid of the help or put the sheet 
> down and by the time my fingers get to the keyboard I've forgotten what I was 
> supposed to type.  Even worst if I haven't used the system in 6 months.
> 
> Now with MACH3 I can clip my little PC board to the router bit, set the PCB 
> under the router bit where I want my zero.  Click on a button  on the screen 
> and follow the dialogs for what to do.  I even added a dialog that reminds me 
> to unclip the clip from the tool.  And it was pretty easy to assign a button 
> to something and have it throw up dialog boxes.
> 
> Haven't got a clue how to do that with LinuxCNC.  I'm sure it's possible.  
> But there aren't any buttons on the user interface screens.
> 

Gmoccapy has buttons you can assign macros to.
http://linuxcnc.org/docs/devel/html/gui/gmoccapy.html#gmoccapy:macros 


> But until I solve some other issues all that is on the back burner.  Waiting 
> for a replacement CUI encoder to see if it's less noisy compared to a US 
> Digital encoder. 
> 
> If after 100 rapid moves the return to 0.000 is 0.003 on the DRO then that's 
> a far more serious problem that has nothing to do with Linux or Mach.
> 
> But it's a great learning experience to be able to flip back and forth 
> between the two systems with just a reboot.
> 
> John
> 
> 


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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Gene Heskett]

On Sunday 02 June 2019 05:41:56 pm John Dammeyer wrote:

> LinuxCNC is still very much a command line type application compared
> to a WYSIWYG graphical application.  Since I have the retention span
> of a grape I can bring up the help, read something, get rid of the
> help or put the sheet down and by the time my fingers get to the
> keyboard I've forgotten what I was supposed to type.  Even worst if I
> haven't used the system in 6 months.
>
> Now with MACH3 I can clip my little PC board to the router bit, set
> the PCB under the router bit where I want my zero.  Click on a button 
> on the screen and follow the dialogs for what to do.  I even added a
> dialog that reminds me to unclip the clip from the tool.  And it was
> pretty easy to assign a button to something and have it throw up
> dialog boxes.
>
> Haven't got a clue how to do that with LinuxCNC.  I'm sure it's
> possible.  But there aren't any buttons on the user interface screens.
>
Yes it is John. But it does take a bit to get proficient in pyvcp, the 
gfx tools that let you do that.

> But until I solve some other issues all that is on the back burner. 
> Waiting for a replacement CUI encoder to see if it's less noisy
> compared to a US Digital encoder.

If you've got noises bad enough to mess with the encoder, I'll bet a 
bottle of suds your grounding system violates the single point "star" 
rule. You want shielded cables yes, but all shields and all ground 
commons come back to a single long bolt, and none of it is grounded any 
place else. Any other ground, including the 3rd static ground in the 
power cords is a ground loop and will intro noise. Only one master 
connection to the reference ground should be allowed.
>
> If after 100 rapid moves the return to 0.000 is 0.003 on the DRO then
> that's a far more serious problem that has nothing to do with Linux or
> Mach.
>
> But it's a great learning experience to be able to flip back and forth
> between the two systems with just a reboot.
>
> John
>
> > -Original Message-
> > From: Danny Miller [mailto:dan...@austin.rr.com]
> > Sent: June-02-19 1:30 PM
> > To: emc-users@lists.sourceforge.net
> > Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> >
> > I'm not a big Linux guy in general.� I use PC for everything but the
> > CNC machine.
> >
> > It's been fine.� I don't want to put CAD software on the machine
> > running the CNC.
> >
> > Both LinuxCNC and Linux RT-Preempt are vastly more desirable than
> > Mach/Windows, even with Ethernet Smoothstepper.
> >
> > The ONLY thing I miss about Mach3 was that it gave accurate, real
> > runtimes upon loading a file.� Outside of running the actual job,
> > LinuxCNC can only give a useless fake time estimate that doesn't
> > involve acceleration.
> >
> > Danny
> >
> > On 6/2/2019 3:12 PM, John Dammeyer wrote:
> > > I've figured out a way to get a 7192H to a friend who will be
> > > staying at a
> >
> > hotel in San Diego mid-June.  He'll bring it back.  Then I don't
> > have to pay $38US for shipping.  Only $8.60 for USPS.  Really too
> > bad there isn't a driver for MACH3 for this board to make the dual
> > boot option easier.
> >
> > > John
> > >
> > >> -Original Message-
> > >> From: Danny Miller [mailto:dan...@austin.rr.com]
> > >> Sent: June-01-19 7:09 PM
> > >> To: emc-users@lists.sourceforge.net
> > >> Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> > >>
> > >> Longtime user of the 7i92.? Former user of Mach3/Smoothstepper.
> > >>
> > >> It is very good all around, perfect high performance, and frees
> > >> you from almost any PC latency probs.
> > >>
> > >> It can configure as a plain-jane parallel port that you'd plug
> > >> and play into PMDX-126, but also other things.
> > >>
> > >> Combine with Linux RT-Preempt and it's SO solid
> > >>
> > >> Danny
> > >>
> > >> On 6/1/2019 3:01 PM, Andy Pugh wrote:
> >  On 1 Jun 2019, at 20:52, John Dammeyer 
> >
> > wrote:
> >  Therefore under LinuxCNC I need something with say an Ethernet
> >
> > interface
> >
> > >> that has two ribbon cables compatible with PC Parallel port
> > >> pinout so the latency isn't an issue
> >
> > http://store.mesanet.com/index.php?route=product/product&path=69_62&;
> >pro
> >
> > >> duct_id=306
> > >>
> > >>> (Or also look at the 7i80)
> > >>> ___
> > >>> Emc-users mailing list
> > >>> Emc-users@lists.sourceforge.net
> > >>> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >>
> > >> ___
> > >> Emc-users mailing list
> > >> Emc-users@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> > > ___
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lis

Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Greg Bernard]

I do understand having the "attention span of a grape". Pretty sure I'm ADD
as my mind races ahead to the next step before I've fully absorbed the new
information.
Not sure what you mean when you say LinuxCNC is "is still very much a
command line type application". Setting the zero in LCNC simply requires
clicking the touch off button on the control panel. I've never had to type
a command to run a job in LCNC.


On Sun, Jun 2, 2019 at 4:45 PM John Dammeyer  wrote:

> LinuxCNC is still very much a command line type application compared to a
> WYSIWYG graphical application.  Since I have the retention span of a grape
> I can bring up the help, read something, get rid of the help or put the
> sheet down and by the time my fingers get to the keyboard I've forgotten
> what I was supposed to type.  Even worst if I haven't used the system in 6
> months.
>
> Now with MACH3 I can clip my little PC board to the router bit, set the
> PCB under the router bit where I want my zero.  Click on a button  on the
> screen and follow the dialogs for what to do.  I even added a dialog that
> reminds me to unclip the clip from the tool.  And it was pretty easy to
> assign a button to something and have it throw up dialog boxes.
>
> Haven't got a clue how to do that with LinuxCNC.  I'm sure it's possible.
> But there aren't any buttons on the user interface screens.
>
> But until I solve some other issues all that is on the back burner.
> Waiting for a replacement CUI encoder to see if it's less noisy compared to
> a US Digital encoder.
>
> If after 100 rapid moves the return to 0.000 is 0.003 on the DRO then
> that's a far more serious problem that has nothing to do with Linux or Mach.
>
> But it's a great learning experience to be able to flip back and forth
> between the two systems with just a reboot.
>
> John
>
>
>
>
> > -Original Message-
> > From: Danny Miller [mailto:dan...@austin.rr.com]
> > Sent: June-02-19 1:30 PM
> > To: emc-users@lists.sourceforge.net
> > Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> >
> > I'm not a big Linux guy in general.� I use PC for everything but the CNC
> > machine.
> >
> > It's been fine.� I don't want to put CAD software on the machine running
> > the CNC.
> >
> > Both LinuxCNC and Linux RT-Preempt are vastly more desirable than
> > Mach/Windows, even with Ethernet Smoothstepper.
> >
> > The ONLY thing I miss about Mach3 was that it gave accurate, real
> > runtimes upon loading a file.� Outside of running the actual job,
> > LinuxCNC can only give a useless fake time estimate that doesn't involve
> > acceleration.
> >
> > Danny
> >
> > On 6/2/2019 3:12 PM, John Dammeyer wrote:
> > > I've figured out a way to get a 7192H to a friend who will be staying
> at a
> > hotel in San Diego mid-June.  He'll bring it back.  Then I don't have to
> pay
> > $38US for shipping.  Only $8.60 for USPS.  Really too bad there isn't a
> driver for
> > MACH3 for this board to make the dual boot option easier.
> > >
> > > John
> > >
> > >
> > >> -Original Message-
> > >> From: Danny Miller [mailto:dan...@austin.rr.com]
> > >> Sent: June-01-19 7:09 PM
> > >> To: emc-users@lists.sourceforge.net
> > >> Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> > >>
> > >> Longtime user of the 7i92.? Former user of Mach3/Smoothstepper.
> > >>
> > >> It is very good all around, perfect high performance, and frees you
> from
> > >> almost any PC latency probs.
> > >>
> > >> It can configure as a plain-jane parallel port that you'd plug and
> play
> > >> into PMDX-126, but also other things.
> > >>
> > >> Combine with Linux RT-Preempt and it's SO solid
> > >>
> > >> Danny
> > >>
> > >>
> > >> On 6/1/2019 3:01 PM, Andy Pugh wrote:
> >  On 1 Jun 2019, at 20:52, John Dammeyer 
> > wrote:
> > 
> >  Therefore under LinuxCNC I need something with say an Ethernet
> > interface
> > >> that has two ribbon cables compatible with PC Parallel port pinout so
> the
> > >> latency isn't an issue
> > >>
> > http://store.mesanet.com/index.php?route=product/product&path=69_62&pro
> > >> duct_id=306
> > >>> (Or also look at the 7i80)
> > >>> ___
> > >>> Emc-users mailing list
> > >>> Emc-users@lists.sourceforge.net
> > >>> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >>>
> > >>
> > >> ___
> > >> Emc-users mailing list
> > >> Emc-users@lists.sourceforge.net
> > >> https://lists.sourceforge.net/lists/listinfo/emc-users
> > >
> > >
> > > ___
> > > Emc-users mailing list
> > > Emc-users@lists.sourceforge.net
> > > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> >
> > ___
> > Emc-users mailing list
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>
>
>
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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[John Dammeyer]

LinuxCNC is still very much a command line type application compared to a 
WYSIWYG graphical application.  Since I have the retention span of a grape I 
can bring up the help, read something, get rid of the help or put the sheet 
down and by the time my fingers get to the keyboard I've forgotten what I was 
supposed to type.  Even worst if I haven't used the system in 6 months.

Now with MACH3 I can clip my little PC board to the router bit, set the PCB 
under the router bit where I want my zero.  Click on a button  on the screen 
and follow the dialogs for what to do.  I even added a dialog that reminds me 
to unclip the clip from the tool.  And it was pretty easy to assign a button to 
something and have it throw up dialog boxes.

Haven't got a clue how to do that with LinuxCNC.  I'm sure it's possible.  But 
there aren't any buttons on the user interface screens.

But until I solve some other issues all that is on the back burner.  Waiting 
for a replacement CUI encoder to see if it's less noisy compared to a US 
Digital encoder. 

If after 100 rapid moves the return to 0.000 is 0.003 on the DRO then that's a 
far more serious problem that has nothing to do with Linux or Mach.

But it's a great learning experience to be able to flip back and forth between 
the two systems with just a reboot.

John




> -Original Message-
> From: Danny Miller [mailto:dan...@austin.rr.com]
> Sent: June-02-19 1:30 PM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> 
> I'm not a big Linux guy in general.� I use PC for everything but the CNC
> machine.
> 
> It's been fine.� I don't want to put CAD software on the machine running
> the CNC.
> 
> Both LinuxCNC and Linux RT-Preempt are vastly more desirable than
> Mach/Windows, even with Ethernet Smoothstepper.
> 
> The ONLY thing I miss about Mach3 was that it gave accurate, real
> runtimes upon loading a file.� Outside of running the actual job,
> LinuxCNC can only give a useless fake time estimate that doesn't involve
> acceleration.
> 
> Danny
> 
> On 6/2/2019 3:12 PM, John Dammeyer wrote:
> > I've figured out a way to get a 7192H to a friend who will be staying at a
> hotel in San Diego mid-June.  He'll bring it back.  Then I don't have to pay
> $38US for shipping.  Only $8.60 for USPS.  Really too bad there isn't a 
> driver for
> MACH3 for this board to make the dual boot option easier.
> >
> > John
> >
> >
> >> -Original Message-
> >> From: Danny Miller [mailto:dan...@austin.rr.com]
> >> Sent: June-01-19 7:09 PM
> >> To: emc-users@lists.sourceforge.net
> >> Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> >>
> >> Longtime user of the 7i92.? Former user of Mach3/Smoothstepper.
> >>
> >> It is very good all around, perfect high performance, and frees you from
> >> almost any PC latency probs.
> >>
> >> It can configure as a plain-jane parallel port that you'd plug and play
> >> into PMDX-126, but also other things.
> >>
> >> Combine with Linux RT-Preempt and it's SO solid
> >>
> >> Danny
> >>
> >>
> >> On 6/1/2019 3:01 PM, Andy Pugh wrote:
>  On 1 Jun 2019, at 20:52, John Dammeyer 
> wrote:
> 
>  Therefore under LinuxCNC I need something with say an Ethernet
> interface
> >> that has two ribbon cables compatible with PC Parallel port pinout so the
> >> latency isn't an issue
> >>
> http://store.mesanet.com/index.php?route=product/product&path=69_62&pro
> >> duct_id=306
> >>> (Or also look at the 7i80)
> >>> ___
> >>> Emc-users mailing list
> >>> Emc-users@lists.sourceforge.net
> >>> https://lists.sourceforge.net/lists/listinfo/emc-users
> >>>
> >>
> >> ___
> >> Emc-users mailing list
> >> Emc-users@lists.sourceforge.net
> >> https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> >
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> 
> 
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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[Danny Miller]

I'm not a big Linux guy in general.  I use PC for everything but the CNC 
machine.


It's been fine.  I don't want to put CAD software on the machine running 
the CNC.


Both LinuxCNC and Linux RT-Preempt are vastly more desirable than 
Mach/Windows, even with Ethernet Smoothstepper.


The ONLY thing I miss about Mach3 was that it gave accurate, real 
runtimes upon loading a file.  Outside of running the actual job, 
LinuxCNC can only give a useless fake time estimate that doesn't involve 
acceleration.


Danny

On 6/2/2019 3:12 PM, John Dammeyer wrote:

I've figured out a way to get a 7192H to a friend who will be staying at a 
hotel in San Diego mid-June.  He'll bring it back.  Then I don't have to pay 
$38US for shipping.  Only $8.60 for USPS.  Really too bad there isn't a driver 
for MACH3 for this board to make the dual boot option easier.

John



-Original Message-
From: Danny Miller [mailto:dan...@austin.rr.com]
Sent: June-01-19 7:09 PM
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

Longtime user of the 7i92.� Former user of Mach3/Smoothstepper.

It is very good all around, perfect high performance, and frees you from
almost any PC latency probs.

It can configure as a plain-jane parallel port that you'd plug and play
into PMDX-126, but also other things.

Combine with Linux RT-Preempt and it's SO solid

Danny


On 6/1/2019 3:01 PM, Andy Pugh wrote:

On 1 Jun 2019, at 20:52, John Dammeyer  wrote:

Therefore under LinuxCNC I need something with say an Ethernet interface

that has two ribbon cables compatible with PC Parallel port pinout so the
latency isn't an issue
http://store.mesanet.com/index.php?route=product/product&path=69_62&pro
duct_id=306

(Or also look at the 7i80)
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Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC

[John Dammeyer]

I've figured out a way to get a 7192H to a friend who will be staying at a 
hotel in San Diego mid-June.  He'll bring it back.  Then I don't have to pay 
$38US for shipping.  Only $8.60 for USPS.  Really too bad there isn't a driver 
for MACH3 for this board to make the dual boot option easier.

John


> -Original Message-
> From: Danny Miller [mailto:dan...@austin.rr.com]
> Sent: June-01-19 7:09 PM
> To: emc-users@lists.sourceforge.net
> Subject: Re: [Emc-users] Dual boot for WIN-XP and LinuxCNC
> 
> Longtime user of the 7i92.� Former user of Mach3/Smoothstepper.
> 
> It is very good all around, perfect high performance, and frees you from
> almost any PC latency probs.
> 
> It can configure as a plain-jane parallel port that you'd plug and play
> into PMDX-126, but also other things.
> 
> Combine with Linux RT-Preempt and it's SO solid
> 
> Danny
> 
> 
> On 6/1/2019 3:01 PM, Andy Pugh wrote:
> >
> >> On 1 Jun 2019, at 20:52, John Dammeyer  wrote:
> >>
> >> Therefore under LinuxCNC I need something with say an Ethernet interface
> that has two ribbon cables compatible with PC Parallel port pinout so the
> latency isn't an issue
> >
> http://store.mesanet.com/index.php?route=product/product&path=69_62&pro
> duct_id=306
> >
> > (Or also look at the 7i80)
> > ___
> > Emc-users mailing list
> > Emc-users@lists.sourceforge.net
> > https://lists.sourceforge.net/lists/listinfo/emc-users
> >
> 
> 
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