Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module - Manual (Page 35)

Publication 1757-UM007D-EN-P - December 2008 33
Configure the 1757-ABRIO Module Chapter 2
Add Racks Offline
To add a rack, complete the following steps.
1. Right-click Hardware Config and select Add A Rack.
2. Enter the Rack Number (1 to 37 octal), Starting I/O Group
(0,2,4,6) and Ending I/O Group (1,3,5,7) and click OK.