Programmable logic controller and electromechanical relay

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Reference no: EM131864625

1. What is the difference between a programmable logic controller and an electromechanical relay control?

2. Name three advantages that PLCs provide over electromechanical relay control systems.

3. State the main function of each of [he following elements of a PLC:

a. CPU

b. Programmer/monitor

c. IJO module

Reference no: EM131864625

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