The Examine If Open instruction:
A)is also known as the Examine-Off instruction.
B)is also known as the XIO instruction.
C)looks and operates like a normally closed relay contact.
D)All of these choices are correct

Question

Quizplus · Accepted Answer

All of these choices are correct. The Examine If Open instruction is also known as the Examine-Off instruction and the XIO instruction. It looks and operates like a normally closed relay contact.

The Examine If Open Instruction