Qtplasmac- Auto Z axis movement not happening with thc proma 150

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04 Dec 2025 13:07 #339725 by Nathan40
Hi All,

I am using 7c81 board, raspi 5 with thc proma 150. I am using QTplasmaC 
The gpios and leds for UP, DOWN, Arc OK are getting connected and blinking.
However, the Auto Z axis movement not happening with thc proma 150. Attaching the files for your reference. Please help.
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04 Dec 2025 13:20 #339726 by tommylight
What settings are on the Proma THC150 ?

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04 Dec 2025 13:25 #339727 by Nathan40
Voltage is set to 100 and H-t to 5.

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04 Dec 2025 14:16 #339729 by tommylight
On the Proma, the first and second settings should be set at minimum, i do not recall what was the third and forth settings.
Only after having this work you can set voltage higher if it wobbles a lot while cutting.

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