PUSH TO ON OFF PLC LADDER PROGRAM Using ONLY NO NC COIL Instruction | PLC Program Challenge |
we are going to discuss PLC program for Push to ON device and Push to Off Device.
But the trick is that we have to use only Normally open(NO) ,Normally Close (NC) contacts ,and Coil as output only(No timer,Counter, OSR instruction is allowed to use ).
In short there will be a single Push Button Input (X0) , and one Output (Y0). When user press Push button for 1st time output will be ON ,when user Presses Push Button for 2nd time output will be OFF. This is also called as "Push to On Push to Off " logic.Analogy can be provided with "TV" on and off Push Button.
This Demo dhows you the simulation of PLC ladder program for Push to on Push to Off logic. PLC software used is WPLSoft which is Freely available.
Read more:
http://plc-scada-dcs.blogspot.com/201...
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