Implement Latching and Unlatching of Output without using manufacturer provided Latching and Unlatching Instructions. That is called Latching by Sealing of contacts.

Home Study Material Implement Latching and Unlatching of Output without using manufacturer provided Latching and Unlatching Instructions. That is called Latching by Sealing of contacts.

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Plc Scada

Here is PLC program to Latch and Unlatch an Output by Sealing, along with program explanation and run time test cases.



List of Inputs and Outputs

 I:1/0	=	Start Push Button (Input)

 I:1/1	=	Stop Push Button (Input)

 O:2/0	=	Output (Input & Output)