Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 97)

Rockwell Automation Publication 1756-UM514C-EN-P - June 2014 97
Messaging Between ControlLogix Controllers Chapter 8
CIP Message Routing
Between ControlLogix
Controllers over Two Links This application sends a CIP message from ControlLogix controller A through a
1756-DHRIO of 1756-DHRIOXT module to ControlLogix controller B
controller B over two links.
The following figure illustrates the steps you must use in this application.
41420
ControlLogix System 2
1756-DHRIO
Slot Number:3
Channel A Node:010
Channel B Node:020 ControlLogix Controller
Slot Number: 0
Channel B
Node Number: 020
ControlLogix System 1
ControlLogix Controller
Slot Number: 0 1756-DHRIO
Slot Number:3
Channel A Node:060
Channel B Node:050
1756-DHRIO
Slot Number:3
Channel A Node:040
Channel B Node:030
ControlLogix System 3