Draw the block diagram of PLC.

Draw the block diagram of PLC.
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2 Answers

Answer :

Block diagram of PLC:

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Answer :

Block diagram of PLC and input/output devices used for PLC

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Input/output devices – The input module has bank of terminals for physically connecting input devices, like push buttons, limit switches etc. to a PLC. the role of an input module is to translate signals from input devices into a form that the PLC's CPU can understand. 

 The Output module also has bank of terminals that physically connect output devices like solenoids, motor starters, indicating lamps etc. to a PLC. The role of an output module is to translate signals from the PLC's CPU into a form that the output device can use.

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