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plc modules

1 article tagged “plc modules”.

Diagram of PLC module types in a rack including discrete I/O, analog I/O, communications and specialty modules
plc modulesplc i/oplc hardware

Types of PLC Modules: I/O, Comms and More

From discrete I/O cards to specialty motion modules, learn what every type of PLC module does, how they differ, and when to use each one.

Jul 17, 2026 · 11 min read

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