Examlex
Air pressure is only exerted downward.
Personal Computer
A small, relatively inexpensive computer designed for individual use, capable of running general-purpose applications and accessing the internet.
Scan Time
The duration a programmable logic controller (PLC) takes to read inputs, execute its program, and update outputs in one complete cycle.
User Program
A set of instructions created and designed by users to be executed by computers or programmable devices.
Fixed PLC
Refers to a PLC whose configuration in terms of I/O capacity or slots is not expandable, limiting modification or extension.
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