It is tempting to use six timers for this task, but the job can be done with just four, and you'll end up with a much cleaner program as a bonus. 4 Sec.Įxercise #2 - Traffic Control using 6 Lights Modify your program so that the 3 lights which represent the other traffic direction are also controlled. LogixPro Traffic Control Lab Exercise #1 - Traffic Control using 3 Lights From the Simulations Menu at the top of the screen, Select the Traffic Light Simulation 0:2.00 0:204 0:2/01 0:2/05 0:2/02 0:2/06 Using your knowledge of cascading timers, develop a ladder logic program which will sequence a set of green, amber and red lights in the following manner: Sequence of Operation: 1.
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