Thinking of moving my Plasma from Masso to LinuxCNC

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28 Feb 2026 00:38 #343628 by gomond
Hi all my name is Greg I have been watching this forum for years and this is my first post.

I built a CNC plasma 2 years ago and I used a Masso CNC v3 with their DTHC, as I couldn't get the after market ones to play nicely with it.
I have had nothing but trouble with this machine, yet I have a CNC router and a CNC mill using Masso's and they work great.
The Plasma on Masso is just immature and failure prone. I have built many Plasma cutters for friends using MyPlasm and it is about 1/8 the price and flawless .
I have been watching Rods videos and am very impressed with his results. So I bought a Mesa 7i96 card but I am now retired and a pensioner so I don't have the income like when I was working hence my question , can I implement THC and OHMIC on the existing board or use the ProKeys Fibre linked THC that I have from the Masso experiments and the CNC4PC Ohmic also left over?

Thanks Heaps for any advice 

Cheers Greg.

Arthurs Creek, Vic.

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28 Feb 2026 02:17 #343630 by rodw
Damn, I thought I may have had a thcad here in Brisbane but I looked and I don't.

If you have a THC that generates an up/down signal, you could use it if you set the right mode in qtplasmac. Looks like the pokeys may do that.

Totally untested but I do think my hypersensing component would probably be able to be modified to do ohmic and voltage sensing it does sense arc voltage but the scale is only 24.5 volts so it just stays on. with better scaling you probably could do both.



 

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