PLCs
What is I/O Module?
Definition
An input/output module that connects field sensors and actuators to a PLC or controller. I/O modules convert physical signals into data the controller can process and are available in digital, analog, and specialty types.
Related Terms
PLC (Programmable Logic Controller)
A ruggedized digital computer used to automate industrial processes by reading i...
Digital Input
A PLC or drive input channel that detects discrete ON/OFF signals from switches,...
Analog Input
A PLC or drive input channel that accepts continuous voltage (0-10 V) or current...
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