1. Why should all engineers working with PLCs know how to perform program design and relay conversion projects? 2. Describe the operation of the OTE instructions in the PLC 5, SLC 500, and Control...

1. Why should all engineers working with PLCs know how to perform program design and relay conversion projects?

2. Describe the operation of the OTE instructions in the PLC 5, SLC 500, and Control Logix PLCs.

3. How does bracketing help to isolate the problem in a control system?