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Standalone Torch Height Controller for CNC Plasma Cutting

You cannot exceed 5 vdc or the board will cook

Post by: mjpcarbon, Apr 20, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

So the divider is done with Zener protection and works great however now I realize that after a cut and the torch extinguishes and the torch...

Post by: mjpcarbon, Apr 5, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

OK im searching thank yo

Post by: mjpcarbon, Apr 1, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

I get how an optocoupler can protect but was under the impression they are ON or OFF and could not show the variable voltage needed to make this...

Post by: mjpcarbon, Apr 1, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

Anyone ?

Post by: mjpcarbon, Mar 31, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

Built the THC and it works however occasionally when my plasma misfires it causes a voltage spike which has cooked two UNOs so far. Any...

Post by: mjpcarbon, Mar 31, 2021 in forum: Laser Cutters
Post
Standalone Torch Height Controller for CNC Plasma Cutting

Can anyone provide a schematic for the divider needed ? Or is there a good prebuilt unit out there for sale ?

Post by: mjpcarbon, Mar 7, 2021 in forum: Laser Cutters

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