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Design a PLC ladder logic program to control a stop light. The program should have 3...

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Electrical Engineering

Design a PLC ladder logic program to control a stop light. Theprogram should have 3 outputs: RED, YELLOW, and GREEN. The ladderlogic should illuminate green for 60 seconds, then yellow for 10seconds, then red for 60 seconds. The system should also have twosensor inputs: THROUGH_TRAFFIC and CROSS_TRAFFIC which detect whenthere is through traffic and cross traffic present. If throughtraffic is detected, and no cross traffic is detected, the systemshould maintain a green light even after the green has remained litfor 60 seconds.

Answer & Explanation Solved by verified expert
4.4 Ratings (617 Votes)
Explanation After pressing the start button the process willand all the outputs go low irrespective of any condition when thestop button is pressedRung 1 After pressing start button memory bit m00 willbecomes highRung 2 ON dealy timer will start and Green LED will    See Answer
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