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History of 3-15 psi, 10-50 mA, and 4-20 mA signals

S Bharadwaj Reddy
Study about the history of 4-20 mA signals used in the industrial instrumentation. Other signals are 3-15 psi, and 10-50 mA...

How Process Control Loop Works

S Bharadwaj Reddy
A typical process control system is shown in Figure. Assume the physical variable to be controlled is the temperature. Basically Industrial process control loop consists of sensors, transmitters, Control systems (PLC/DCS),...

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