134 Rockwell Automation Publication 1756-UM001M-EN-P - February 2012
Chapter 8 I/O Modules
Remote I/O Modules
Remote I/O refers to I/O that is not located in the local chassis and is connected
to the controller via a communication network.
The ControlLogix controller supports the use of remote I/O via these networks:
• EtherNet/IP
• ControlNet
• DeviceNet
• Universal remote I/O
For more information about the network configurations that can be used to
connect remote I/O, see Chapter 5
, Communication Networks (on page 91).
Figure 18 - ControlLogix Controller and Remote I/O Example
ControlLogix Controller Chassis
ControlLogix Remote I/O
ControlNet
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