Examlex
Define and explain the importance of the eight-second rule.
MCR Zone
In programmable logic controllers (PLCs), a Master Control Relay zone, which refers to a section of the program controlled by a master relay for safety or operational purposes.
Subroutine
A set of instructions designed to perform a frequently used operation within a program.
Main Program
The primary set of instructions executed by a computer or an embedded system to perform its intended function.
Energize
The physical application of power to a circuit or device to activate it; the act of setting the on, true, or 1 state of a programmable logic controller’s relay ladder diagram output device or instruction.
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