Sounds like a good idea Andy, as long as each axis retains it's own value.
Mike
On 7 May 2012, at 20:15, andy pugh bodge...@gmail.com wrote:
On 7 May 2012 15:16, gene heskett ghesk...@wdtv.com wrote:
because
Touch Off doesn't display the current setting, but defaults to 0.0. That
of
On 8 May 2012 04:18, Chris Radek ch...@timeguy.com wrote:
I must say that most often what I do with touch off is to accept the
default zero value because I want to set the system origin where the
tool is. I also frequently type +/- an edge finder or probe tip
radius.
In some cases, though,
On 8 May 2012 01:01, gene heskett ghesk...@wdtv.com wrote:
Lathe mode seems to default to G8, that is something I've not tweaked.
Another man page to read...
Maybe the RS274NGC_STARTUP_CODE entry in the INI file?
I've given up using the touch off for setting the Z offset for the tool
table due to making so many mistakes with not having the correct touch
off selected in the menu and created a pyvcp button to do that. Next on
the list is a pyvcp button to touch off the Z of the material. I always
use a
snip
I think current value and zero are the two initial values that make
the most sense, but I don't know which one is useful MORE of the time.
I suspect this is a matter of opinion and/or practice and opinion
will be split.
snip
Perhaps the desired behavior can be triggered by the INI
On 5/7/2012 6:34 AM, Steve Blackmore wrote:
I also have an 8 position Enco type auto tool changer that I made, but
haven't managed to get that to work with LinuxCNC. I gave up after days
of hal editing.
If you want to resurrect that project.. post what problems you run into.
A
On Tuesday, May 08, 2012 11:17:37 AM andy pugh did opine:
On 8 May 2012 04:18, Chris Radek ch...@timeguy.com wrote:
I must say that most often what I do with touch off is to accept the
default zero value because I want to set the system origin where the
tool is. I also frequently type +/-
On Tuesday, May 08, 2012 11:22:25 AM andy pugh did opine:
On 8 May 2012 01:01, gene heskett ghesk...@wdtv.com wrote:
Lathe mode seems to default to G8, that is something I've not tweaked.
Another man page to read...
Maybe the RS274NGC_STARTUP_CODE entry in the INI file?
On 8 May 2012 13:39, Dave e...@dc9.tzo.com wrote:
On 5/7/2012 6:34 AM, Steve Blackmore wrote:
I also have an 8 position Enco type auto tool changer
...
I gave up after days of hal editing.
If you want to resurrect that project.
There are a couple of dedicated HAL components for that type of
On 8 May 2012 16:32, gene heskett ghesk...@wdtv.com wrote:
Maybe the RS274NGC_STARTUP_CODE entry in the INI file?
Not used in mine, possibly not included because I could never get
stepconfig to run,
As far as I know, Stepconf doesn't add that. You would have to add it
yourself, but it ought
Has anyone used a Leadwell VMC? Are they any good?
There's one for sale nearby, cheap because it's got a dead controller...
http://fortcollins.craigslist.org/tls/2952112016.html
--
Live Security Virtual Conference
On Tuesday, May 08, 2012 11:34:27 AM John Thornton did opine:
I've given up using the touch off for setting the Z offset for the tool
table due to making so many mistakes with not having the correct touch
off selected in the menu and created a pyvcp button to do that. Next on
the list is a
On Tuesday, May 08, 2012 11:50:47 AM BRIAN GLACKIN did opine:
snip
I think current value and zero are the two initial values that make
the most sense, but I don't know which one is useful MORE of the time.
I suspect this is a matter of opinion and/or practice and opinion
will be
On Tuesday, May 08, 2012 11:59:31 AM andy pugh did opine:
On 8 May 2012 16:32, gene heskett ghesk...@wdtv.com wrote:
Maybe the RS274NGC_STARTUP_CODE entry in the INI file?
Not used in mine, possibly not included because I could never get
stepconfig to run,
As far as I know, Stepconf
snip
John
There is an echo in here. Maybe John and I are alone, but I think far fewer
homing and touch off mistakes, where a previously established setting was
in-advertantly foobared, is caused by the auto coupling between the last
axis moved and these two functions. I have destroyed my Z
I currently have the commanded spindle velocity, NDI if it is supposed to
be rpms or what, essentially being fed thru the abs function directly into
the pid.0.command input.
I am sending the encoder.0.velocity thru the abs function also then into
pid.0.feedback. This voltage on the hal meter
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 15:45:11 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine Controller (EMC) emc-users@lists.sourceforge.net
Subject: [Emc-users] PID
On 8 May 2012 20:45, gene heskett ghesk...@wdtv.com wrote:
setp pid.0.Pgain 0
setp pid.0.Igain 1
setp pid.0.Dgain 1
setp pid.0.maxoutput 401 # to keep it from running away
I know that I-only is what the
Gene,
You have no Pgain, but Igain and Dgain. That's a problem. An all I and
D loop is almost always unstable.
Chances are you are going to want Pgain and a little Igain and little
Dgain(maybe.. if at all).
Start out by trying some Pgain and no Igain or Dgain and see what happens..
Bump up
On 8 May 2012 21:06, Dave e...@dc9.tzo.com wrote:
You have no Pgain, but Igain and Dgain. That's a problem. An all I and
D loop is almost always unstable.
That depends….
For a spindle P gain is not much help, as you need a non-zero PID
output even when at the set speed (and when the error
On Tuesday, May 08, 2012 04:26:08 PM Peter C. Wallace did opine:
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 15:45:11 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: Enhanced Machine
On Tuesday, May 08, 2012 04:33:56 PM andy pugh did opine:
On 8 May 2012 20:45, gene heskett ghesk...@wdtv.com wrote:
setppid.0.Pgain 0
setppid.0.Igain 1
setppid.0.Dgain 1
setppid.0.maxoutput 401 #
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 16:33:06 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] PID controller Q's
On Tuesday,
On Tuesday, May 08, 2012 04:39:15 PM Dave did opine:
Gene,
You have no Pgain, but Igain and Dgain. That's a problem. An all I and
D loop is almost always unstable.
Chances are you are going to want Pgain and a little Igain and little
Dgain(maybe.. if at all).
Start out by trying
On 8 May 2012 21:38, gene heskett ghesk...@wdtv.com wrote:
I believe that FF0 + I is the way to go. WIth FF0 set to rpm/duty
cycle and a much smaller I than you currently have to take up the
error.
Would that not require a dynamic, dependent on speed, FF0 then? Since rps
can easily go from
On Tuesday, May 08, 2012 04:42:52 PM andy pugh did opine:
On 8 May 2012 21:06, Dave e...@dc9.tzo.com wrote:
You have no Pgain, but Igain and Dgain. That's a problem. An all I
and D loop is almost always unstable.
That depends….
For a spindle P gain is not much help, as you need a
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 16:52:37 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To: emc-users@lists.sourceforge.net
Subject: Re: [Emc-users] PID controller Q's
On Tuesday, May 08,
On Tuesday, May 08, 2012 04:53:56 PM Peter C. Wallace did opine:
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 16:33:06 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To:
On 8 May 2012 21:52, gene heskett ghesk...@wdtv.com wrote:
Silly Q probably, but could the pid.0.command value also be sent to
sum2.0.in0, and the pid.0.output sent to sum2.0.in1 to furnish the desired
offset, allowing the pid module to work with a much more balanced (read
closer to zero)
This shows the inner workings of the PID comp
Notice that FF0 does exactly what you want, that is copies a scaled portion of
the PID command input directly to the output
http://linuxcnc.org/docs/html/hal/rtcomps.html#sec:PID
Peter Wallace
Mesa Electronics
On 5/8/2012 4:22 PM, andy pugh wrote:
On 8 May 2012 21:06, Davee...@dc9.tzo.com wrote:
You have no Pgain, but Igain and Dgain. That's a problem. An all I and
D loop is almost always unstable.
That depends….
For a spindle P gain is not much help, as you need a non-zero PID
More exotic ideas might involve two entry boxes and two submit
buttons...
How about defaulting to the current position in the text box, and adding a
Zero button that zeros and submits in one click.
--
Live Security
On Tuesday, May 08, 2012 05:00:12 PM andy pugh did opine:
On 8 May 2012 21:38, gene heskett ghesk...@wdtv.com wrote:
I believe that FF0 + I is the way to go. WIth FF0 set to rpm/duty
cycle and a much smaller I than you currently have to take up the
error.
Would that not require a
On Tuesday, May 08, 2012 05:34:22 PM Peter C. Wallace did opine:
On Tue, 8 May 2012, gene heskett wrote:
Date: Tue, 8 May 2012 16:52:37 -0400
From: gene heskett ghesk...@wdtv.com
Reply-To: Enhanced Machine Controller (EMC)
emc-users@lists.sourceforge.net
To:
I've just 'wired' up a joystick to use as a pendant, based on the Simple Remote
Pendant article on the Wiki. As I only have two analogue inputs X Y (the
third is normally used for throttle and does not self centre so I did not fancy
using that) I used the trigger button to select between X
On May 7, 2012, at 8:04 PM, Jon Elson wrote:
BTW: apparently my current card is PCI, not PCI-e:
http://www.amazon.com/gp/product/B000MY45WS/ref=oh_details_o00_s00_i03
Somehow I got the idea from one of the lspci reports that your board was
pci-e.
The Startech boards were reported to
On 8 May 2012 22:37, gene heskett ghesk...@wdtv.com wrote:
On Tuesday, May 08, 2012 05:34:22 PM Peter C. Wallace did opine:
From the pid man page:
pid.N.FF0 float rw
Zero order feed-forward term. Produces a contribution to the
output that is FF0 multiplied by the commanded
On 8 May 2012 22:54, Mike Bennett mjb1...@gmail.com wrote:
However I notice strange behaviour on start up. I tracked this down to the
fact that input.0.btn-joystick and input.0.btn-joystick-not were both false
until the trigger
is pressed the first time. Is this normal? I guess I can
On Tue, 08 May 2012 08:39:17 -0400, you wrote:
On 5/7/2012 6:34 AM, Steve Blackmore wrote:
I also have an 8 position Enco type auto tool changer that I made, but
haven't managed to get that to work with LinuxCNC. I gave up after days
of hal editing.
If you want to resurrect that
Is this motor worth trying to get working?
http://www.flickr.com/photos/46689581@N03/7161870700/in/photostream
http://www.flickr.com/photos/46689581@N03/7162041060/in/photostream
A quick Google turns up nothing. I got it for nothing, and I'm
interested in rigging it up to the Y axis on my
On 5/8/2012 7:48 PM, Steve Blackmore wrote:
On Tue, 08 May 2012 08:39:17 -0400, you wrote:
On 5/7/2012 6:34 AM, Steve Blackmore wrote:
I also have an 8 position Enco type auto tool changer that I made, but
haven't managed to get that to work with LinuxCNC. I gave up after days
of
On 5/8/2012 10:08 PM, Mark Cason wrote:
Is this motor worth trying to get working?
http://www.flickr.com/photos/46689581@N03/7161870700/in/photostream
http://www.flickr.com/photos/46689581@N03/7162041060/in/photostream
A quick Google turns up nothing. I got it for nothing, and I'm
gene heskett wrote:
There is an echo in here. Maybe John and I are alone, but I think far fewer
homing and touch off mistakes, where a previously established setting was
in-advertantly foobared, is caused by the auto coupling between the last
axis moved and these two functions. I have
Jeshua Lacock wrote:
I just installed my new Siig card and I am not having much better luck so
far. Launching LinuxCNC did not switch it to EPP mode.
Here is what lspci reveals:
08:00.0 Parallel controller: Oxford Semiconductor Ltd OX9162 Mode 0 (parallel
port) (prog-if 03)
On May 8, 2012, at 8:33 PM, Jon Elson wrote:
Jeshua Lacock wrote:
I just installed my new Siig card and I am not having much better luck so
far. Launching LinuxCNC did not switch it to EPP mode.
Here is what lspci reveals:
08:00.0 Parallel controller: Oxford Semiconductor Ltd
On May 8, 2012, at 8:33 PM, Jon Elson wrote:
Jeshua Lacock wrote:
I just installed my new Siig card and I am not having much better luck so
far. Launching LinuxCNC did not switch it to EPP mode.
I have tried your or Kirk Wallace's utilities yet because I want to make
sure I know what
On 05/08/2012 09:17 PM, Dave wrote:
On 5/8/2012 10:08 PM, Mark Cason wrote:
Is this motor worth trying to get working?
http://www.flickr.com/photos/46689581@N03/7161870700/in/photostream
http://www.flickr.com/photos/46689581@N03/7162041060/in/photostream
A quick Google turns up
On Wednesday, May 09, 2012 12:50:53 AM Frank Tkalcevic did opine:
More exotic ideas might involve two entry boxes and two submit
buttons...
How about defaulting to the current position in the text box, and adding
a Zero button that zeros and submits in one click.
I'll vote for that. :)
On Wednesday, May 09, 2012 12:56:42 AM Peter C. Wallace did opine:
This shows the inner workings of the PID comp
Notice that FF0 does exactly what you want, that is copies a scaled
portion of the PID command input directly to the output
On Tue, 2012-05-08 at 22:26 -0600, Jeshua Lacock wrote:
... snip
Here is the dmesg:
[8.519908] parport_pc :08:00.0: PCI INT A - GSI 18 (level, low) -
IRQ 18
[8.520179] parport0: PC-style at 0xc030 (0xc020), irq 18, using FIFO
[PCSPP,TRISTATE,COMPAT,EPP,ECP]
[8.620688]
On Wednesday, May 09, 2012 01:12:21 AM Peter C. Wallace did opine:
This shows the inner workings of the PID comp
Notice that FF0 does exactly what you want, that is copies a scaled
portion of the PID command input directly to the output
On May 8, 2012, at 11:07 PM, Kirk Wallace wrote:
On Tue, 2012-05-08 at 22:26 -0600, Jeshua Lacock wrote:
... snip
Here is the dmesg:
[8.519908] parport_pc :08:00.0: PCI INT A - GSI 18 (level, low) -
IRQ 18
[8.520179] parport0: PC-style at 0xc030 (0xc020), irq 18, using
Andy
For now just linking a button to perform touch off zero would be good, but I
need a way to control which axis. I have several buttons spare so I could use
one for each axis.
Mike
On 8 May 2012, at 23:25, andy pugh bodge...@gmail.com wrote:
On 8 May 2012 22:54, Mike Bennett
On Tue, 2012-05-08 at 23:33 -0600, Jeshua Lacock wrote:
... snip
Alas, I still get a fault:
univstepdiags c030 bus
io addr = c030
parport addr 0xc030
Segmentation fault
LinuxCNC fails to start with the same message as before.
Did you use sudo?
sudo ./univdiags c030 bus
--
Kirk
On Wednesday, May 09, 2012 01:28:26 AM andy pugh did opine:
On 8 May 2012 22:37, gene heskett ghesk...@wdtv.com wrote:
On Tuesday, May 08, 2012 05:34:22 PM Peter C. Wallace did opine:
From the pid man page:
pid.N.FF0 float rw
Zero order feed-forward term. Produces a
After four months of weekends I've taken my first cuts on my DIY gantry router.
https://www.dropbox.com/gallery/59884319/1/CNC%20Machine?h=c48cbb
Drawn in iPocket Draw on the iPad, made using the router on the machine, a
cordless drill and a jig saw. My neighbour turned down the ends of the
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