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Basics of Process Control Systems

S Bharadwaj Reddy
The Process Control system may provide steady state or change of state (start-up, shutdown, batch) control functions. The latter may be implemented by automatic sequences or procedurally under manual control.

Process Interlocks and Trips

S Bharadwaj Reddy
Protective tripping systems provide a defence against excursions beyond the safe operating limits by detecting a excursions beyond set points related to the safe operating limits (i.e. the onset of

How a 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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