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software files for ohmic and THC

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26 May 2021 23:53 #210406 by acourtjester
software files for ohmic and THC was created by acourtjester
I have QTPlasmaC loaded and I am getting close to finished with the setup. Question I have is are the 2 files required for Ohmic sensing and THC incorporated in the software package or do I need to load additional info? Also on the circuit diagram for the Hypersensing it shows a connection to the shield inputs connected to ground. On the other tables I built the table frame and ground were the same electrically, do I hook the table to the shield inputs of leave them unconnected?
Thanks for the help
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27 May 2021 05:45 - 27 May 2021 05:46 #210423 by phillc54
Replied by phillc54 on topic software files for ohmic and THC
THC is included in the QtPlasmaC configuration, if you use PnCconf or StepConf to build your config then it can be setup by them.

If using a THCAD for ohmic sensing then there is an ohmic.comp component included in the LinuxCNC package which has the code example just below your diagram.
linuxcnc.org/docs/devel/html/plasma/plas..._with_a_mesa_thcad_5
linuxcnc.org/docs/devel/html/man/man9/ohmic.9.html

I "think" the ground on the shield is not required, there are a lot of threads discussing this.

As a further option I think there is also an ohmic2.comp and an ohmic3.com floating around on the forum, what they do differently I don't really know.
Last edit: 27 May 2021 05:46 by phillc54.

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27 May 2021 15:16 #210447 by acourtjester
Replied by acourtjester on topic software files for ohmic and THC
Thanks Phil I still am in a learning curve but getting there with help :)

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07 Feb 2024 19:31 #292778 by tommylight
Replied by tommylight on topic software files for ohmic and THC
Waited 7 days to boot the spammer, and today came back adding more posts and links.

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