The MCR instruction:
A)is an output instruction.
B)is used in pairs.
C)is used to disable or enable a zone within a ladder program.
D)all of these.

Question

Quizplus · Accepted Answer

The MCR instruction can be used as an output instruction to control the state of an output module. It is typically used in pairs, with one instruction to enable a specific output and another to disable it. Additionally, the MCR instruction can be used to disable or enable a zone within a ladder program by controlling the flow of logic through that section of the program. Therefore, all of the given choices are correct.

The MCR Instruction