Assume the Processor Comes Equipped with a Normally Closed Fault

question 28

Multiple Choice

Assume the processor comes equipped with a normally closed fault relay contact output designed to open when a processor malfunction is detected. This contact would be:

• A)programmed as part of the MCR instruction.
• B)programmed as part of the zone control last state instruction.
• C)hardwired in series with the emergency stop button.
• D)hardwired in parallel with the emergency stop button.