Electric power people all know that the electrical control circuit and PLC can be effectively transformed, and the ladder diagram is indispensable during the conversion process, especially for some friends who just started learning PLC, the ladder diagram is like the circuit diagram and PLC logic instructions. As with bridges, it is no exaggeration to say that mastering the transformation of circuit ladder diagrams can deepen the learning of PLC to a certain extent. Of course, ladder diagrams also have certain rules in the process of transformation.
First, the basic rules for the transformation of ladder diagrams.
Second, the basic circuit programming example ~ from the security stop circuit ladder.
Third, the motor control ladder diagram.
Four, two motors sequentially control the ladder diagram.
Fifth, the timer circuit ladder diagram.
Six, three motor sequential start circuit ladder diagram.
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