Answer / amit gathiya

YOU NEED A CURRENT TRANSDUCER AT YOUR MCC WHICH CAN GIVE YOU
THE 4-20mA SIGNAL WITH 0 TO 70Amps. proportionally.
USE LESS THAN & GREATER THAN BLOCK LOGIC FOR OPEN & CLOSE
THE VALVE.

Answer / rahul nayak

U dont need any plc logic for such application since u can
do this project with the help of simple transducer which
will gives the mA o/p with respect to ur Amps. & just i/p
converter which will help u to open ur positioner valve.

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