What is Remote I/O?

Definition

I/O modules located away from the main PLC and connected via a fieldbus or industrial Ethernet network. Remote I/O reduces wiring costs and simplifies installation in large machines and distributed plant architectures.

Related Terms

I/O Module

An input/output module that connects field sensors and actuators to a PLC or con...

Field Bus

An industrial communication protocol such as Profibus, DeviceNet, or Modbus that...

Industrial Ethernet

Ethernet-based communication protocols adapted for real-time industrial control ...

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