Same procedures followed to turn on further outputs.( Refer Tabular column for sequence of operation) Network 8 Parallel circuits are added to turn ON/OFF the output in up next sequence. Starting the timer to turn on output East Green, North-South-West is in red. Latching rung to operate the system through Master Start and Stop PB. ![]() You can build your own concept for making logic for this example.įollow below tabular column – Logic for the four way traffic light List of Inputs and Outputs Traffic Light Control using PLC Logic Explanation Network 1 We can take four directions (North, South, west, and east) with three output lamps (Green, Red, and Yellow). ![]() ![]() The traffic light is one of the classic examples in PLC ladder logic. Design ladder logic for 4 way-traffic light control system
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