What could be the cause of a HART device displaying a “loop power failure” message?
A. Faulty loop power supply
B. Excessive loop current
C. Incorrect wiring
D. All of the above
Answer:D
What could be the cause of a HART device displaying a “loop power failure” message?
A. Faulty loop power supply B. Excessive loop current C. Incorrect wiring D. All of the above
Explanation: A “loop power failure” message on a HART device could be caused by a faulty loop power supply, excessive loop current, or incorrect wiring.