What is POU in SoMachine and what are the different type of POUs available.

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POU is called Program Organization Unit in SoMachine and it is use to design and execute user codes in PLC controllers.

POUs can be of three types which is as follows:

Program - application code combining inputs, outputs, functions and function blocks
Function Reusable user code having only One output with return value
Function Block Reusable user code having More than one output possible, Needs instance to save internal values