4-20ma Current Loop Transmitter Principle

DCS
2

2-wire 4-20mA Transmitter:

  • Accepts loop-supply from 4-20mA receiver
  • Sinks a return current between 4-20mA

3-wire 4-20mA Transmitter:

  • Accepts power and GND from a local supply.
  • Sources an output current between 4-20mA.

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Also Read : 4-20mA Transmitter Working Principle

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