Which of the following would not normally be located within the PLC enclosure?
A)I/O modules
B)Limit switch
C)Master control relay
D)Isolation transformer

Question

Quizplus · Accepted Answer

A limit switch is an external device that would typically be mounted on a machine or within a control panel, not located within the PLC enclosure. The other options (I/O modules, master control relay, isolation transformer) are commonly found within the PLC enclosure.

Which of the Following Would Not Normally Be Located Within