Rockwell Automation 1756-DHRIO_DHRIOXT ControlLogix Data Highway Plus-Remote I/O Communication Interface Module - Manual (Page 62)

62 Rockwell Automation Publication 1756-UM514C-EN-P - June 2014
Chapter 4 Using Programming Software in DH+ Applications
Configuration Pop-Up Dialog Box Communication Pop-Up Dialog Box
1 represents the ControlLogix backplane
(as the message leaves the ControlLogix
controller) 3 represents the location of the 1756-
DHRIO module (that is slot 3)