Integrating ethercat with QTplasmaC and Beckhoff modules

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26 Jul 2026 16:31 #348075 by GFC
Over the last year I have been building a gantry plasma table with leadshine el8 servos and Beckhoff modules for I/O, I struggle a lot with software but with help from rodw over on the ethercat forum and some guides I managed to get ethercat working and a basic QTplasmaC config.
but im still having some troubles:

I managed to get these things working:
-QtPlasmaC interface
-motion on all axis when jogging the machine
-external E-stop
-torch break detection switch
-machine enable output turning on a light

what isnt working:
- cant get a torch on output signal when I do a torch pulse
- the ohmic probe enable doesn't output any signal
-when I hit cycle start the G code pauses without moving the machine

I have a EK1100 coupler, an EL1008 digital input, an EL2008 digital output and EL3102 analog input to read the divided arc voltage.

what are the best ways to debug this situation and what should I be looking for?
all config files in a zip file below

previous post:
forum.linuxcnc.org/ethercat/59024-integr...khoff-modules#348066

Thank you all for your help
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