Mechanical Engineer Portal

Mechanical Engineers Portal

Saturday, June 17, 2017

Automation and PLC(Programmable Logic Controller)

Automation  made of two words, Auto means Self and Motion means Movement. So automation is process of controlling equipment or machines without the interfere of human.

Benefits of Automation:
  • Accuracy
  • Unnecessary cost reduction
  • increase in efficiency
  • required less human effort
  • reduction in wastage
PLC(Programmable Logic Controller):

Image credit: bse-tech
In simple word you can say that it is a switching device just like a electric fan switch.

In other word "PLC is a device in which we can program by the help of computer and we can perform sequential and logical operations."

First PLC was introduced by Modicon.

Block diagram of PLC:

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