Friday 18 November 2011

BLOCK DIAGRAM OF PLC

BLOCK DIAGRAM OF PLC SYSTEM



 
 
 
 
 
 
 
 
 
 
 
 
Simplified Block Diagram of a PLC system. It contain main parts:

  • CPU(Central Processing Unit)
  • Input sensing devices
  • Input interfaces
  • Output interfaces
  • Programmer/Monitor

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