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PLC Programming Example – Delay Starting of 7 Motors

We will look at a PLC programming example of delaying the start of 7 motors. Each motor will be on a switch that the operator can select at any time. The motor outputs should have a 5 second delay between the outputs coming on.

This question originally came from PLCTalk.net. An original solution to the problem came from Peter Steinhoff. His solution is what we will be presenting. It is simple and straight forward.

We will be using the Do-more Designer software which comes with a simulator. This fully functional program is offered free of charge at automation directKeep on Reading!