A conveyor will run when any one of four inputs is on. It will stop when any one of four other inputs is off. Develop a PLC program that will simulate this operation. Enter the program into the PLC,...

A conveyor will run when any one of four inputs is on. It will stop when any one of four other inputs is off. Develop a PLC program that will simulate this operation. Enter the program into the PLC, and prove its operation.