Simplify: ÷ ÷

question 272

Essay

Simplify: ÷ ÷

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Definitions:

TOF Timer

A type of PLC timer that measures the "Time-Off-Fall" or the time it takes for a signal to turn from on to off.

Retentive

Memory or functions in a control system that retain their value or state even after the system is powered down or rebooted.

Nonretentive

In PLC programming, a term referring to memory or data that is not retained after power loss.