Sequencer output method is best suited for this problem since very less. Fully documented ladder logic created with LogixPro (*. PLC Program to Control Traffic Lights There are two methods to solve this problem. Complete and accurate I/O wiring diagram. You can solve this problem, but it's going take a little more programming. Time in Seconds Still getting the odd Crash? Well, it's pretty obvious that these drivers aren't paying much attention to Amber Lights! No need for any more wiring, however.

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. I am using the LogixPro PLC simulator BTW. Doesnt seem to be this problem using MOV. but once the sequencer started, the outputs went all wonky (not following the outputs as layed out in the sequencer file). 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. I have an application that is controlling traffic lights using sequencers and a timer.

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.

Logixpro traffic light sequencer