Multiple Choice
A single output device has failed while the remainder of the PLC system is functioning normally. The indicator light on the output module indicates that a signal is sent to the output point where the device is connected. You would now:
A) trace the circuit back through the logic to locate the inputs.
B) use a programming terminal to call up the rung that controls the output to see if the output coil is on.
C) check the point where the output device's field wiring is connected to the output rack.
D) check the input modules for short-circuit conditions.
Correct Answer:

Verified
Correct Answer:
Verified
Q80: Which of the following load devices is
Q81: System commissioning should include checking for improper
Q82: Generally, output modules designed to drive inductive
Q83: Running signal wiring and power wiring in
Q84: In Allen-Bradley controllers, _ software is required
Q86: The temporary end instruction is used when
Q87: Where line voltage variations to the PLC
Q88: The diode used in the suppression circuit
Q89: PLC communications protocol is a standardized method
Q90: The offline programming mode permits the user