11. To protect a PLC from any incoming surges from the field, an isolated device such as ____________ is used.
12. In PLC programming, a retentive function is one that
13. An OR function implemented in Ladder logic uses
14. A good application for a timed interrupt in a PLC program would be
15. The __________________ instruction is used to turn an output ON or OFF after its time has been on for a preset time interval
MCQ Multiple Choice Questions and Answers on Programmable Logic Controller (PLC)
Programmable Logic Controller (PLC) Question and Answer