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History of Programmable Logic Controllers (PLC)

S Bharadwaj Reddy
Every control system may be divided into three general sections: input devices (sensors), controllers, and output devices (actuators). The input devices sense what is happening in the process, the controller...

PLC Program using START and STOP Buttons

S Bharadwaj Reddy
PLC START and STOP Buttons Write a PLC Program using START and STOP Buttons for the following plc example.  There are three machines, each with its own start and stop...

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