How does the Siemens S7-1200 execute a Ladder Logic program?
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In this video, we are going to investigate how a PLC executes a simple program. As a test program, we are going to write a program that consists of only one normally open pushbutton and a light bulb as an input and output field device. After the power switch is turned on, the user program first controls the consistency of the hardware and parametrizes the modules, and then start up program is executed and more.
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