THC config that works.

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26 Dec 2018 19:07 #122918 by tommylight
Replied by tommylight on topic THC config that works.
Try the voltage in between 80 and 85, Proma THC can be set to be sensitive to -+1V.
Also set the TEST time longer on the THC so you can clearly identify if the UP/Down signals are correct. You can do that by holding both buttons on the THC till you get TST then release and click on the UP till you get to 10, that will give you 10 seconds to check the signals on Linuxcnc screen.

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10 Feb 2019 18:40 - 10 Feb 2019 18:44 #126164 by nkp
Replied by nkp on topic THC config that works.
is there any difference

FERROR = 1
MIN_FERROR = 500

vs

FERROR = 500
Last edit: 10 Feb 2019 18:44 by nkp.

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10 Feb 2019 18:56 #126165 by tommylight
Replied by tommylight on topic THC config that works.
Yes there is, ferror should be for high speed or rapid moves, min_ferror should be for slow moves.
I am a bit fuzzy on that, so you should confirm that.

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10 Feb 2019 19:04 #126167 by nkp
Replied by nkp on topic THC config that works.
Based on this:

limiting ferror = maxFerror/limitVel * vel


If ferror < minFerror :
then OK
else:
if ferror < limiting ferror :
then OK
else:
ERROR
( this is from the source )

I think that there is no difference.

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10 Feb 2019 19:31 #126169 by tommylight
Replied by tommylight on topic THC config that works.
This has been moved to the thread below where the other configs are also located, for stepper and servo step/dir systems, for use with Mesa FPGA boards.

forum.linuxcnc.org/plasma-laser/34978-th...-with-how-to?start=0

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