PLCs
What is Scan Time?
Definition
The duration of one complete PLC scan cycle, measured in milliseconds. Short scan times are required for high-speed applications, while excessively long scan times can cause missed inputs and delayed outputs.
Related Terms
Scan Cycle
One complete execution cycle of a PLC program including input reading, logic pro...
Cycle Time
The total time to complete one full operating cycle of a machine, process, or PL...
PLC (Programmable Logic Controller)
A ruggedized digital computer used to automate industrial processes by reading i...
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