How to Test your PLC Program with PLC Simulator Learn more over at https://realpars.com/blog/ In this lesson, we will learn how to test the PLC program in the PLC simulator. When we press the start switch, the main and star contactors are going to be energized and the timer starts timing as well. After 8 seconds, when the timer is active, the star contactor is de-energized and the delta contactor is energized. Now if we press the stop switch once, the whole system stops and all of the outputs ar

PLC Traffic Light Program using S7-300 siemens PLC | IT&Automation Academy

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