I am trying to control all six lights with six timers for the delayed green exercise.
Don't know why sometimes even when both red lights are on, a car in one direction moves out and causes the crash :-(
I am attaching the ladder program as follows.
Please help me (kind of new in PLC) with this puzzle. Thanks a lot!
Don't know why sometimes even when both red lights are on, a car in one direction moves out and causes the crash :-(
I am attaching the ladder program as follows.
Please help me (kind of new in PLC) with this puzzle. Thanks a lot!