Distance for Analog Signal Transmission
Distance for Analog Signal Transmission
(OP)
Question came up as to what distance can a 4-20 mA analog signal from a transmitter can be run if terminating to a card on a DCS or PLC.
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Distance for Analog Signal Transmission
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RE: Distance for Analog Signal Transmission
RE: Distance for Analog Signal Transmission
However, intermediate connections, bends in the wire, internal resistance (control system and transmitter), power supply, etc. all contribute to resistance.
A more practical max distance is 1 mile, and that's only under ideal circumstances.