Select the correct input logic contact for the following situation. Field device is NC, the rung output should be off or not active when the field device is not activated.
A) Examine on
B) Examine off
C) Insufficient information

Question

Quizplus · Accepted Answer

Examine off (XIO) instruction is used when the logic requires the output to be off or not active when the field device (normally closed) is in its default state (not activated). This instruction checks for the absence of a condition.

Select the Correct Input Logic Contact for the Following Situation