Thursday 31 July 2014

PlC OR DCS Analog Input block for 4-20ma, 1-5V input ,Hart 4-20ma Input

1) Current 4-20ma input from field sensor amplifier. 4-20ma current is converted to 1-5v using 250 ohms load resistor on interfacing board.
2) Current 4-20ma from transmitter given directly to AI module .
3) Current with Hart Signal given to AI module which supports to HART signal. Digital information superimposed on Analog signal.

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