External corner lock signal

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7 years 5 months ago #134315 by phoenix
Hii guys...
I want external corner lock signal to give to my thc
My thc works on start pause and corner lock signal
I already figured out external start and pause switch
Ibwant to do the same for corner lock
I am using my own thc
Any ideas how i lt can be done....
Regards

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7 years 5 months ago #134331 by pl7i92
Replied by pl7i92 on topic External corner lock signal
Always 2 Posts for the Same Question BAD Behavior

you can USE motion.in-position for that
but that will always act on move fiished

THC workes on VOLTIGE of the Plasma
it is 80USD as of a TGC200 or a 200USD Proma UP/Down
it corrects on its own mesurment no need to be programmed
just signals to the contoller move up or move down
#
Code:
# Set up the Encoder for the THC setp encoder.0.counter-mode 1 # added by tc net freq-in parport.0.pin-11-in => encoder.0.phase-A net thc-vel-in encoder.0.velocity => thc.encoder-vel # these will need to be adjusted setp thc.scale-offset 119000 setp thc.vel-scale 0.00037866834 # setp thc.velocity-tol 100 setp thc.voltage-tol 1.0 I think it also needs this for z-axis: # position command and feedback hijacked by thc comp net emcmot.02.pos-cmd thc.z-pos-in <= axis.2.motor-pos-cmd net thc-pos-cmd thc.z-pos-out => stepgen.2.position-cmd net motor.02.pos-fb axis.2.motor-pos-fb <= thc.z-fb-out

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7 years 5 months ago #134335 by rodw
Replied by rodw on topic External corner lock signal

Bhushan wrote: Hii guys...
I want external corner lock signal to give to my thc
My thc works on start pause and corner lock signal
I already figured out external start and pause switch
Ibwant to do the same for corner lock
I am using my own thc
Any ideas how i lt can be done....
Regards


There is a corner lock component I wrote here.
forum.linuxcnc.org/plasma-laser/32658-thc-cornerlock-component

Assuming you are making an external THC, you would use the output pin to turn on a signal to your hardware to tell you to stop THC adjustment.

Note that you need to work on the feedrate sent from Gcode. You could use a remap command to send that to a motion analog pin with M67 or M68 and use that pin as the input to the corner lock component.

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