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You should use the M100 to call python programs to do this, see the following example.......linuxcnc.org/docs/stable/html/gcode/m-code.html#mcode:m100-m199.

Hi,
I have a machine that has a Hypertherm 105 Sync source on and I am having issues getting the THC to work correctly.
I had to adjust the THC_delay to 5 seconds before I could get a stable voltage reading for Autovolts. The torch will go down to the cut height but starts moving upwards before the THC_delay has timed out. The cut voltage seems to settle at 55V but the torch moves up until it reaches 75V and stays there.
The strange thing is it will cut the first cut correct and then misbehaves after that.
Any ideas where to fiddle?

As the debug message indicates, line 6 in your 'Slabber.hal' expects a value for the keyword 'AXES' in the [TRAJ] section of your ini file.

Not sure, halcompile output looks ok. Starting your config from a terminal may give more debug information.

Thank you, everyone, for your responses. Really appreciate it!
We had already connected the negative direction and step pins of the TB6600 driver to ground using a pull-down resistor. After taking PCW's advice and supplying 5V to our breakout board via the USB cable, all our problems with erroneous movements and strange noises disappeared.

Points to note, though:

We had already made the ground common across the whole system.

Optocouplers are pre-installed on this breakout board.

jimmyrig wrote:

Easiest way would be to make another config.
leave the old one for when you need position.

In the new config change the A to be a spindle.

Lookup step and direction spindle for examples. If you dont want to mess with it I could do it for you.

Then it should work as you intend with me s1000 $1
 

Yes, I would plan to have an alternative config for this use case.

I've already searched around and tried tweaking things, but wasn't getting any success. I think I may be getting stuck up on the motion related HAL entries but I'm not sure. I would be very grateful if you could sort it out for me.

Does this help at all?
wiki.linuxcnc.org/uploads/orient.svg
It's one potential way to do it.

Andy, I wouldn't know where to start with this.