Hypersense configuration with 2.8 and PlasmaC

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04 May 2021 19:34 #207866 by txtrone
I cannot get Hypersense to work. Not sure what I have done or not done. The screen caps are with the torch not touching the plate and then with torch touching. Also including my ini hal and hal connections.

File Attachment:

File Name: mark_i.ini
File Size:10 KB

File Attachment:

File Name: mark_i_2021-05-04.hal
File Size:11 KB

File Attachment:

File Name: mark_i_con...5-04.hal
File Size:3 KB

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04 May 2021 20:41 #207869 by PCW
Could be a wiring issue.

If you simply short the two sense wires do you get close to 0V
on ohmicsense.ohmic-volts?

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04 May 2021 21:06 #207871 by rodw
I'm thinking some crap is in the nozzle shorting it out. Can you remove the consumables and give it a clean out in there?
There is a near full voltage when off the plate so as PCW says, there is s short somewhere.
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04 May 2021 21:31 - 04 May 2021 21:31 #207875 by PCW
Ahh I had forgotten it reads high (~24V) when shorted
so yeah either a short or the sense load resistor is missing
or misconnected
Last edit: 04 May 2021 21:31 by PCW.

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04 May 2021 21:53 #207877 by txtrone

I'm thinking some crap is in the nozzle shorting it out. Can you remove the consumables and give it a clean out in there?
There is a near full voltage when off the plate so as PCW says, there is s short somewhere.


That makes sense! (pun intended) ... but this is a two part problem.

Before I left the shop for the day I tried unplugging the sense cable from the torch and the reading dropped to near zero. So you are probably correct about the short being caused by "crap in the nozzle". I made some simple cuts this weekend, mainly to test the downdraft, and must have gotten said crap in the nozzle.

HOWEVER (part two)

The ohmic signal is not on in the GUI... and I do not recall seeing it on. I believe I have the wiring correct, but never connected all of the HAL/Plasmac pins properly.

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04 May 2021 21:59 #207879 by snowgoer540

The ohmic signal is not on in the GUI... and I do not recall seeing it on.


You would have to press "OHMIC TEST" to see the Ohmic Probe indicator light up on the GUI.

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04 May 2021 22:00 #207880 by txtrone

The ohmic signal is not on in the GUI... and I do not recall seeing it on.


You would have to press "OHMIC TEST" to see the Ohmic Probe indicator light up on the GUI.


Correct. I failed to mention I pressed the OHMIC TEST button, nothing lit up on the GUI.

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04 May 2021 23:08 #207894 by tommylight
Just to be sure, does the torch have an electrode, a nozzle and a shield ?

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04 May 2021 23:23 #207898 by rodw

The ohmic signal is not on in the GUI... and I do not recall seeing it on.


You would have to press "OHMIC TEST" to see the Ohmic Probe indicator light up on the GUI.


What is the pin that enables Ohmic sensing so the probe becomes active?
I suspect that Plasmac has changed since the component has been written or we got something wrong in the connections file.

the component will only go true if ohmicsense.is-probing is true

se lets setp it to 1 for now

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04 May 2021 23:25 #207899 by phillc54
The same one it has always been, plasmac.ohmic-enable
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