Automation & Control
Remote I/O
Input/output modules located away from the main controller and connected by a network.
IN ONE SENTENCE
It moves the I/O closer to sensors and actuators so long individual cable runs can be reduced.
In normal English
Remote I/O stations may use PROFINET, EtherNet/IP, EtherCAT, Modbus TCP or other networks.
Why would I use it?
Use it when field wiring is spread around a machine or plant.
THINK OF IT LIKE…
Putting the PLC's ears and hands closer to where the action is.
Related terms
PLC, I/O, fieldbus
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