(TCO 7) Technician A says a PLC enclosure should contain a power disconnect switch for physical isolation from the main power.

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ECT 284 Automation and Control Systems with Lab Week 7 Quiz Answers

 

(TCO 7) Technician A says a PLC enclosure should contain a power disconnect switch for physical isolation from the main power. Technician B says a programmed master control reset can also be used to achieve the same results. Who is correct?

(TCO 7) A solenoid fails to respond when forced on. Technician A says the ladder logic program could be causing the problem. Technician B says input hardware could be malfunctioning. Who is correct?

(TCO 7) Under no circumstances should