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  • skunkworks
  • skunkworks
23 Jul 2025 18:29
Replied by skunkworks on topic Display motion.current-vel ?

Display motion.current-vel ?

Category: Plasmac

lol - never mind.. I think I found it.. I will test tonight..

If Use Auto Volts is checked then the actual cut voltage is sampled at the end of the THC Delay time and this is used as the target voltage to adjust the height of the torch.

If Use Auto Volts is not checked then the voltage displayed as Cut Volts in the MATERIAL section of the PARAMETERS Tab is used as the target voltage to adjust the height of the torch.
  • skunkworks
  • skunkworks
23 Jul 2025 18:25
Replied by skunkworks on topic Display motion.current-vel ?

Display motion.current-vel ?

Category: Plasmac

Short video
photos.app.goo.gl/sL9v2GkA7igL8KGU9

also - (I have just started using it and only have the 1 material in which is 1/4 inch. ) Made a sample program using conversational to get the jest of the gcode.

See below for the gcode I used as reference.
It uses tool 0 as far as I can tell - and as far as feed rate this seems correct - when I change tool 0's feed rate - it changes the programs feed rate.  OK..

But - I have the arc voltage set to 120.   When the program runs - the arc voltage is a constant 115.  I actually added 5v on the override so it actually shows 120 when cutting.   

am I doing something wrong?



G20 G64P0.004 G40 G49 G80 G90 G92.1 G94 G97 (preamble)

(conversational circle)
;using material #0: Basic default Material
M190 P0
M66 P3 L3 Q1
f#<_hal[plasmac.cut-feed-rate]>
g0 x0.152304 y0.152304
m3 $0 s1

g2 x0.152304 y0.152304 i0.367696 j0.367696
m5 $0


G20 G64P0.004 G40 G49 G80 G90 G92.1 G94 G97 (postamble)
m2
  • skunkworks
  • skunkworks
23 Jul 2025 18:06
Display motion.current-vel ? was created by skunkworks

Display motion.current-vel ?

Category: Plasmac

Am I missing it?  Is there a way to display the current velocity of the machine while cutting?   

Thanks!

BTW - Just setup Plasmac using pncconf - It was painless and QTPlasmac is a really nice gui.   No problems..  (mesa style board with thc10)

Great work!

sam
  • Cerezas
  • Cerezas
23 Jul 2025 16:38
Replied by Cerezas on topic Inverting jogging sense of X Axis on a VistaCNC P1A-S pendant

Inverting jogging sense of X Axis on a VistaCNC P1A-S pendant

Category: HAL

Since this is for a lathe, there are only 2 joints in the HAL parameters. LinuxCNC requires that the joints are numbered from 0 consecutively, that is, I can only have joints 0 and 1. The association between joint 1 and the z axis is done in the HAL files. With that association, GCode works properly.

As I mentioned before, the pendant was jogging the X axis as I wanted in Step, Velocity and Continuous mode before I moved to the mesa card. I was using exactly the same vc-p1as.hal file as the one I'm trying to use now. Something very subtle changed and that's what I'm trying to figure out.

I tried debugging with halmeter and see what signals were triggered when I used the pendant, but that didn't help much. I'm still learning about the HAL.

Thanks once again for looking into this issue.
  • PCW
  • PCW's Avatar
23 Jul 2025 16:03
Replied by PCW on topic How to control brake before moving ?

How to control brake before moving ?

Category: HAL

The gcode (M62,M63,M66) method with digital I/O will work for any motion but you need to change the gcode.

 
  • bladekel
  • bladekel
23 Jul 2025 15:35 - 23 Jul 2025 15:40
Replied by bladekel on topic How to control brake before moving ?

How to control brake before moving ?

Category: HAL

The intended use is for indexing rotaries as described in this section:
linuxcnc.org/docs/stable/html/config/ini...:ini:sec:axis-letter

If you need more than just G0 moves then you would likely need to make something up in HAL.

 

I can only control the brake with G0 moves.
here is the way;
[EMCMOT]
EMCMOT = motmod unlock_joints_mask=0x08
...

[AXIS_A]
...
LOCKING_INDEXER_JOINT = 3

[JOINT_3]
....
LOCKING_INDEXER = 1

I have to control the brake for G0,G1,G2,G3 and manuel movements. Because that axis' motor has mechanical brake.
In any type of movement, brake is have to be deactivated and after the movement it has to be activated again.

Do you have any opinion else ? What else I have to try?
  • Aciera
  • Aciera's Avatar
23 Jul 2025 15:23
Replied by Aciera on topic How to control brake before moving ?

How to control brake before moving ?

Category: HAL

The intended use is for indexing rotaries as described in this section:
linuxcnc.org/docs/stable/html/config/ini...:ini:sec:axis-letter

If you need more than just G0 moves then you would likely need to make something up in HAL.
  • RotarySMP
  • RotarySMP's Avatar
23 Jul 2025 14:42
Replied by RotarySMP on topic Un-lobotomizing a Maho MH600T

Un-lobotomizing a Maho MH600T

Category: CNC Machines

Nice work you have done on that DIY EXE, with DIN rail mounting.
  • jjdege
  • jjdege's Avatar
23 Jul 2025 14:18
Replied by jjdege on topic Axis and tool length sensor troubles

Axis and tool length sensor troubles

Category: General LinuxCNC Questions

Hi,
Check the Z travel to reach the probe in the .ini file.
[TOOLSENSOR]
MAXPROBE = XXX
  • JT
  • JT's Avatar
23 Jul 2025 13:32
Replied by JT on topic Is mini still available?

Is mini still available?

Category: Other User Interfaces

buildbot.linuxcnc.org/dists/

is debs you can see if your OS is there and 2.7 is built for that OS version.

JT
  • JT
  • JT's Avatar
23 Jul 2025 12:30
Replied by JT on topic Is mini still available?

Is mini still available?

Category: Other User Interfaces

 
  • Walkahz
  • Walkahz
23 Jul 2025 12:10
User tabs file missing probe basic was created by Walkahz

User tabs file missing probe basic

Category: QtPyVCP

In the process of setting up prprobebasic on my machine, coming from gmoccapy.
have configured as per the help files however am getting a error saying the file path for user tabs is missing (refer image)
any ideas what I may have missed?
 
  • JT
  • JT's Avatar
23 Jul 2025 11:58
Replied by JT on topic Is mini still available?

Is mini still available?

Category: Other User Interfaces

Mini was depreciated in LinuxCNC 2.7.
You could make a similar GUI using Flex GUI.
gnipsel.com/linuxcnc/flexgui/index.html

JT
  • Billiiles
  • Billiiles
23 Jul 2025 09:13 - 25 Jul 2025 09:19
Replied by Billiiles on topic Axis and tool length sensor troubles

Axis and tool length sensor troubles

Category: General LinuxCNC Questions

Hi all
After a couple of years, I am finally back and ready to making chips. I have a router, use steppers on parport. Linuxcnc is 2.9.4, debian doodle jump :

Linux cnc0 6.1.0-35-rt-amd64 #1 SMP PREEMPT_RT Debian 6.1.137-1 (2025-05-07) x86_64 GNU/Linux

The router works, I can cut stuff etc. not the problem. The job that I want to do soon requires quite a few tool changes. So far I did it using the dowel method, but that is very time consuming. Sure an automatic tool changer would be perfect, but that's up for in a later stage. For now I have a tool length sensor, that I would like to use with my collet spindle to get tool length set after a manual tool change.

When I run tcdemo.ngc:

- goes to change position
- when I hit "Tool change complete", goes to zmax, tool sensor x and y, starts going towards the sensor.
- As soon as the sensor is touched, I get "Probe tripped during non-probe move" and program is stopped

How can I get over this?

I attach the relevant files in zipped folder "toollength_problem.zip"

Greez
chris
You might want to double-check that the
G38.x command is active before motion toward the sensor begins. Also, review your HAL and INI files to confirm the probe input isn't being tripped by noise or an early signal. Did you try adding a small delay before the probe move to stabilize the signal?

  • bladekel
  • bladekel
23 Jul 2025 09:02
Replied by bladekel on topic How to control brake before moving ?

How to control brake before moving ?

Category: HAL

Maybe have a look at the 'joint.N.unlock' pins:
linuxcnc.org/docs/html/man/man9/motion.9...OINT%20unlock%20pins
 

It seems to work for me.
Is there any example for unlocking an axis?
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