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  • grandixximo
25 Jan 2026 18:51
Replied by grandixximo on topic LinuxCNC S-Curve Accelerations
I mostly run G64 P0.05 in metric, G64 P0.002 in inches, G61 is afterthought for us, but will be tested...
  • Lcvette
25 Jan 2026 18:07
Replied by Lcvette on topic Probe Basic Stable error
the on screen button and physical button cannot remain synchronized as the screen cannot physically change the mushroom buttons state. so you will need to add in some hal NOT allowing the UI estop button in probe basic to be in a state different from the physical mushroom button.
  • andypugh
25 Jan 2026 17:08
Replied by andypugh on topic Absolute encoder homing
github.com/LinuxCNC/linuxcnc/issues/3717

(No solution yet)
  • andypugh
25 Jan 2026 17:03
Replied by andypugh on topic [solved] XHC-WHB04B-06 rotary knob button feed rate not work
You could quickly check if those have the desired affect by opening halshow, opening the "watch" tab and picking those pins from the tree. Then you can set values directly.

If that works then link them up in HAL.
  • andypugh
25 Jan 2026 16:59
Replied by andypugh on topic The Current Bread & Butter Setup?
One advantage of the Pi is that it is perfectly reasonable to have an identical spare to swap in in case of trouble.
  • andypugh
25 Jan 2026 16:57
Replied by andypugh on topic How to fix "Queue is not empty after probing"
This feels like possibly a race condition, I wonder what happens if the queue-empty check is just disabled?
(ie, I wonder if it indicates a real problem?)
  • andrax
25 Jan 2026 16:52
Replied by andrax on topic [solved] XHC-WHB04B-06 rotary knob button feed rate not work
I use gmoccapy.

So far, I have found that these two signals control the feed rate:
gmocacapy.spc-feed.value
gmocacapy.spc-speed.value
  • andypugh
25 Jan 2026 16:49
Replied by andypugh on topic [solved] XHC-WHB04B-06 rotary knob button feed rate not work
Which GUI are you using?
  • andypugh
25 Jan 2026 16:48
Replied by andypugh on topic HAL Edits for RS485 / VFD Spindle Control
If this is your whole HAL file then the problem is that you have connected the HAL "net" to the VFD but not to the motion contoller.
Code:
# Connect HAL pins to motion controller net spindle-vel-cmd-rpm-abs hy_vfd.speed-command net spindle-cw hy_vfd.spindle-forward net spindle-enable hy_vfd.spindle-on net spindle-ccw hy_vfd.spindle-reverse net spindle-at-speed hy_vfd.spindle-at-speed

This creates "nets" with names like "spindle" enable but there is nothing at the other "end"

Try:
Code:
# Connect HAL pins to motion controller net spindle-vel-cmd-rpm-abs spindle.0.speed-out => hy_vfd.speed-command net spindle-cw spindle.0.forward => hy_vfd.spindle-forward net spindle-enable spindle.0.on => hy_vfd.spindle-on net spindle-ccw hy_vfd.spindle-reverse net spindle-at-speed spindle.0.at-speed <= hy_vfd.spindle-at-speed

The => are optional and ignored by the computer.

linuxcnc.org/docs/stable/html/man/man9/m....html#SPINDLE%20PINS
  • JT
25 Jan 2026 16:37
Replied by JT on topic Reload gcode
Sorry, I must have got distracted when changing the variable name and didn't finish changing every occurrence. The bug has been squashed.

JT
  • andypugh
25 Jan 2026 16:36
Replied by andypugh on topic PiBot Pendant
I have sent a query about how it interfaces. If it is USB HID then it will probably work fine with hal_input. Otherwise it might need a specific driver.
  • andrax
25 Jan 2026 16:26
Replied by andrax on topic motor-0-position error beim Abbremsen aus 4-7,5 m/min
Hi,

dein Fehler könnte möglicherweise noch eine weitere Ursache haben.
Da dies beim abbremsen und hohen Geschwindigkeiten passiert, kann es sein, dass dein Servotreiber die überschüssige Generatorenergie 
vom Servomotor nicht wegbekommt und sich dabei der Zwischenkreis entläd.
Hast du Bremswiederstände installiert?
  • andrax
25 Jan 2026 16:09
[solved] XHC-WHB04B-06 rotary knob button feed rate not work was created by andrax
Hi,
I have a question about the configuration of the XHC WHB04B-06.
I already asked this question in the German forum but unfortunately did not receive an answer.
First of all, the handwheel works perfectly except for the rotary knob button.
Here I can only set the increments. But I also want to control the feed rates.

I think the settings need to be adjusted here:

# GUI feed rate related signals can be used when program is running moving GUI slider
net pdnt.feed-override.scale whb.halui.feed-override.scale halui.feed-override.scale # needed for both FeedOverride+/- and rotary knob button
net pdnt.max-velocity.value whb.halui.max-velocity.value halui.max-velocity.value # needed for Mpg mode : button feed position% * max-velocity = Mpg feedrate

# take feed override min/max values from/to the GUI
net pdnt.feed-override.value halui.feed-override.value whb.halui.feed-override.value # GUI feed rate related signals
net pdnt.feed-override.increase whb.halui.feed-override.increase halui.feed-override.increase
net pdnt.feed-override.decrease whb.halui.feed-override.decrease halui.feed-override.decrease


I just don't know which ones?
 
  • MaHa
25 Jan 2026 16:03
Reload gcode was created by MaHa
After a break, when running my machine, i can load a gcode file. But trying reload or edit crashes with following error:
Code:
Traceback (most recent call last):   File "/usr/lib/python3/dist-packages/libflexgui/actions.py", line 147, in action_reload     if gcode_file:        ^^^^^^^^^^ NameError: name 'gcode_file' is not defined. Did you mean: 'nc_code_file'? /usr/bin/linuxcnc: Zeile 977: 11062 Abgebrochen             $EMCDISPLAY -ini "$INIFILE" $EMCDISPLAYARGS $EXTRA_ARGS Shutting down and cleaning up LinuxCNC...
 
  • andrax
25 Jan 2026 15:47
Replied by andrax on topic StepperOnline A6 Servo
Hi, I have now made some changes and am not experiencing any more problems for the time being.
1. I had Ethercat running on two network cards.
I have now combined them into one card and made sure that it has an Intel chip.
2. I have made the following changes in ethercat.xml: 
appTimePeriod="1000000" >>> appTimePeriod="2000000"
sync0Shift=“25000” >>> sync0Shift="50000"
Since then, the errors have disappeared and the servos are ready immediately.
3. I have attached ferrite cores to the Ethercat cables.
The ferrite cores for the servos have been ordered.

 
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