NOT Gate Logic in PLC

 PLC NOT Gate

• NOT Gate output on when Input Not Provide. And output off when Input Provide.

  

  NOT Gate

• NOT Logic gate Input A on Output must be off.
• NOT Logic gate Input A off Output must be on.

NOT Gate Truth Table :

Inputs	Output
A
0	0
0	0

 

PLC NOT Logic :

• Ladder diagram starts with a normally close set of contact Input A with series with output.
• There is no input provide to Input A so contacts are closed an output on.
• There is Input provide to Input A so contacts open an output off.

  

  PLC NOT Gate Logic