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How PLC Reads the Data from Field Transmitters

S Bharadwaj Reddy
Instrumentation and control rely on converting physical or process variables into a more useful format for the operator display. Pressure in a pipe is converted to mechanical deflection of a...

PLC Programming Questions & Answers – 3

S Bharadwaj Reddy
A PLC has been programming to control the starting and stopping of a three-phase electric motor. The program is supposed to require that the operator press and hold the “Start”...

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