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Author Topic: Proma thc cnc plasma work only in test mode  (Read 1191 times)

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Proma thc cnc plasma work only in test mode
« on: February 06, 2017, 12:11:25 AM »
Hi, i 've install my new thc from proma . I wired all wire and when i try "test mode " thats work perferctly , my z axis works  up and down .  When i try to cut some piece, the torch pierce and stay at this position . I have to e-stop .... and i saw that the thc doesn't reed any voltage from the plasma cutter.  I've test with multimeter and i have +/- 130v. I dont use 1/16 or 1/50 voltage , im connect direct to the leads . Anyone can help me ?
Re: Proma thc cnc plasma work only in test mode
« Reply #1 on: February 06, 2017, 11:45:11 AM »
I find why thc doesnt resd voltage, I reverse the 2 wires. Work peace clamp  are the + and the torch are - . I still have the proplem when the torch pierce, the programe stop and stay at this point. On mach configuration , i enable thc on setting  and  input works on test mode ,so they are ok !?  If I desactivate   thc botton on mach screen, i can cut completely the part but thc not works

Offline Davek0974

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Re: Proma thc cnc plasma work only in test mode
« Reply #2 on: February 07, 2017, 07:35:31 AM »
Have you wired the "arc ok" signal too?

Is this a licensed genuine install of Mach3?
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives
Re: Proma thc cnc plasma work only in test mode
« Reply #3 on: February 07, 2017, 08:03:21 AM »
Yes the arc ok signal are wired and work i can see the light on diagnoostic panel , i see the light also for up and down .  I have licence for mach3 .  Thanks for reply !

Offline Davek0974

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Re: Proma thc cnc plasma work only in test mode
« Reply #4 on: February 07, 2017, 09:03:09 AM »
In Setup - motor tuning - mill options, is Allow THC movement even if not in THC mode  checked? It should be unchecked.
Bridgeport Mill, Mach3 V062, CSMIO-IP/A controller, AC Servo Drives