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Q&A How do PLCs normally measure 4-20mA current loops?

I'm looking for input from anyone with insight in the PLC world. How do PLCs usually measure 4-20mA current loops? I would assume it's one of these two alternatives: Through an external "shunt"...

3 answers · posted 1y ago by Lundin‭ · last activity 9mo ago by KalleMP‭

Question plc current-loop