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Instructions: Please Define the Following Key Terms

question 6

Essay

Instructions: Please define the following key terms. Show Who? What? Where? When? Why Important?
Alexandria


Definitions:

ONS Instruction

A program instruction used to detect an event's transition from off to on once, providing a short pulse output in ladder logic.

One Scan

Refers to a single complete cycle or pass of a control system's logic execution, often in the context of PLC programming.

Output Unlatch

A control command or instruction that turns off or disables a previously engaged (latched) output in a PLC program or control system.

OTL

An "Output Latch" instruction in programming that sets an output to a high state until explicitly reset.

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