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Variance is
Controller
A device or set of devices that manage, command, direct, or regulate the behavior of other devices or systems using control loops.
Scan Time
The time taken by a programmable logic controller (PLC) to read inputs, execute logic, and update outputs, crucial for the timing of control processes.
Scan Time
The amount of time it takes for a PLC to complete one cycle of reading input conditions, executing logic, and updating outputs.
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