The event-driven traffic light sequencer program of Figure 12-20 is described in the text. Prepare an I/O connection diagram and ladder logic program that will simulate its operation. Use addresses...

The event-driven traffic light sequencer program of Figure 12-20 is described in the text. Prepare an I/O connection diagram and ladder logic program that will simulate its operation. Use addresses that apply to your PLC installation. Enter the program into the PLC, and verify its operation by using the pushbutton to step manually the sequencer steps