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Q&A

Posts tagged current-loop

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71%
+3 −0
Q&A How can I fix this 4-20 mA current loop to source current that matches current sink on its input?

Building on a previous question about terminology, I am trying to arrive at a solution to connect a digital air pressure regulator that sinks current as part of its 4-20 mA current feedback loop to...

2 answers  ·  posted 12mo ago by JYelton‭  ·  last activity 11mo ago by Nick Alexeev‭

70%
+5 −1
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 2y ago by Lundin‭  ·  last activity 1y ago by KalleMP‭

Question PLC current-loop