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why we use 24 vdc in instruments mostly?

Answer Posted / rajesh.kon

always field(Process) instruments are communicated or
connected with PLC, DCS system.those PLC, DCS operating
current is 24 Vdc, so that instrument which are connected with
DCS, PLC system will be also using 24Vdc only.

Is This Answer Correct ?    5 Yes 6 No



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