Thc

[AWFAB]

Right now I'm just about guessing on how to get the THC working, I look at some wiring schematics and they look completely different from a similar one. The one Im using the wire goes from the torch tip strait to the input number 9 but I think that's just the touch off which is working fine and the torch fires and cuts the steel, just doesnt follow the steel on warped pieces, doesn't even move in the z.
One thing I should ask before I even go at it again is do I need a relay switch before input number 9 for the touch off?
Without a relay switch on the touch off on the cheap ebay boards for mach 3 I would destroy the pin and then i had do use a different input, till they were all ruined and someone said I need to put a relay switch in the line to isolate the wire from the torch.

[Joey]

Please post a fresh report. I can take a look at your THC plots and see what's going on.

Is this Centroid's THC? I remember you mentioning a proma at THC before.

What kind of plasma cutter is this?

Make sure THC is set to installed in the the profile. Manager's THC config settings.

Try running a cut with Auto Sense instead of automatic THC.

The THC will set the THC's voltage based on the THC's reading once up to speed.

You can make a straight cut. And watch what voltage the THC is reading during the cut. And set that as your target voltage. I'm assuming that the THC is not enabling because your target voltage in the profile manager is much lower than what the THC is actually reading during a cut. And anti-dive is preventing the THC from enabling.

But a fresh report would help a lot with seeing why the THD is not enabling during the cut

The input on the THC, TX board is isolated. But you can certainly route The torch ohmic wire through an output on the relay board. Then just assign that output as torch touch disconnect in the wizards output menu.

This will close the relay for a touch off and open the relay when outside of a touch-off cycle.