Examlex
Suppose a local community decides to give all of its citizens over age 60 a parking pass that will enable them to park in the front of parking lots. For people over 60, this policy is:
Input Signal
An electrical or physical quantity received by a system from its environment, which can be processed to produce an output.
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.
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