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yes, the control power for he welder is 0-6.2vdc. the pot controls the output of the welder. So likely, it is monitoring for high voltage so the output does not go to high. i looked into the Power Pot element and found a few, good suggestion there. that will work but i really would like to be...
the welder voltage is 0-6.2 VDC. I figure using an isolated digital Potentiometer would clear the circuit of all the safety checks, so i would not have to determine what is being monitored.
Using the digital potentiometer i need the welder to think it is the physical potentiometer. More or less "relay" the analog signal to the welder.
so yes, the analog value will control the pot.
Looking for help to build a circuit to convert analog input to potentiometer output. I am sending an analog signal 0-10vdc via a PLC card. i need to send out a 0-6.2vdc signal through a potentiometer. The reason being, the device (Lincoln welder) is currently being tuned with a potentiometer and...
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