QTPlasmaC - Skipping Probing

Sushi
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Junior Member

26 Dec 2022 18:08 #260334 by Sushi

Replied by Sushi on topic QTPlasmaC - Skipping Probing

Update, got it working. I followed the first wiring diagram loosely to run the probing circuit directly to the probing input pin on the 7i96s. Instead of a fancy relay, I used an automotive relay and I didn't have any 1N4007 diodes, so I used a couple 1N4002's from one of my old Megasquirts. I used a used Chinese 12v power supply from my old 3d printer. Seems to work fine for now, if it fails I'll upgrade components to match the diagram more closely. Thank you all for the help and advice, I wouldn't have been able to figure this out without you.

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billykid
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26 Dec 2022 19:14 #260338 by billykid

Replied by billykid on topic QTPlasmaC - Skipping Probing

Don't worry about the diode, it's fine on 12 volts. 1n4002 is 100 volts more than enough.

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snowgoer540
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27 Dec 2022 01:11 #260367 by snowgoer540

Replied by snowgoer540 on topic QTPlasmaC - Skipping Probing

billykid wrote:
Don't worry about the diode, it's fine on 12 volts. 1n4002 is 100 volts more than enough.

The 1N4007 diodes are sized as such to withstand plasma voltage... they are not flyback diodes.

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billykid
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27 Dec 2022 09:22 #260381 by billykid

Replied by billykid on topic QTPlasmaC - Skipping Probing

Sorry I understood on the relay as flywheel

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