PLCs
What is Bit?
Definition
The smallest unit of digital data, representing a single binary value of 0 or 1. PLC I/O is often addressed at the bit level for individual sensor and actuator control in discrete automation applications.
Related Terms
Digital Input
A PLC or drive input channel that detects discrete ON/OFF signals from switches,...
Digital Output
A PLC or drive output channel that switches ON/OFF to control external loads suc...
PLC (Programmable Logic Controller)
A ruggedized digital computer used to automate industrial processes by reading i...
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