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What is the logic a Transmitter control a Control Valve?
How the signal going to the Control valve?
What are systems/Panels/cables/signal used to control valve
from Transmitter?
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Answer Posted / gopalakrishnan
IT IS THE CLOSED LOOP ,TX SIGNAL GOING TO THE CONTROL VALVE
THROUGH THE CONTROLLER (DCS) MARSHALLING PANEL -AND TO THE
FIELD JBS AND TO I/P(CURRENT TO PNEUMATIC CONVERTOR AND
THEN TO THE CONTROL VALVE IT IS THE CONTINOUS PROCESS.
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