Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 95)

Rockwell Automation Publication 1756-UM514C-EN-P - June 2014 95
Chapter
8
Messaging Between ControlLogix Controllers
What This Chapter Contains This chapter describes how to use Control and Information Protocol (CIP)
messaging between ControlLogix controllers with the1756-DHRIO and
1756-DHRIOXT modules.
Each of the following examples explains what steps you must take to perform the
described operations.
CIP Messaging Between
ControlLogix Controllers over
One Link This application sends a CIP message from ControlLogix controller A through a
1756-DHRIO or 1756-DHRIOXT module to ControlLogix controller B
controller B. The following figure illustrates the steps you must use in this
application.
Topic Page
CIP Messaging Between ControlLogix Controllers over One Link 95
CIP Message Routing Between ControlLogix Controllers over Two Links 97
ControlLogix System 2
DHRIO Module ControlLogix Controller
Slot Number: 0
Channel B
Node Number: 020 Channel B
Node Number: 030
DHRIO Module
ControlLogix System 1
ControlLogix Controller
Slot Number: 0
41419