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Which Statement Is Correct

question 47

Multiple Choice

Which statement is correct?


Definitions:

NC Contact

An electrical contact that remains closed, allowing current to flow, until actuated open, usually referred to as a Normally Closed Contact in electrical circuits.

PLC System

A PLC system encompasses the hardware and software components of a Programmable Logic Controller, including the CPU, input/output modules, power supply, and the programming environment used to automate industrial and manufacturing processes.

Master Control Relay Instruction

An alternate definition for MCR Instructions, specifically highlighting its role in controlling the execution flow in PLC programs.

Disconnect Switch

A Disconnect Switch is an electrical switch designed to completely cut off electrical power from part of a circuit or the entire system for safety or maintenance purposes.

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