PLCs
What is Real-Time Clock?
Definition
A battery-backed timing circuit in a PLC or controller that maintains accurate date and time even when powered off. Real-time clocks enable time-based scheduling, fault timestamping, and data logging in automation systems.
Related Terms
PLC (Programmable Logic Controller)
A ruggedized digital computer used to automate industrial processes by reading i...
Data Logger
An electronic device that records measurements such as voltage, current, tempera...
Crystal Oscillator
A precision timing component that uses quartz crystal vibration to generate a st...
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