Rockwell Automation 1757-ABRIO Process Remote I/O (RIO) Communication Interface Module - Manual (Page 24)

22 Publication 1757-UM007D-EN-P - December 2008
Chapter 2 Configure the 1757-ABRIO Module
The 1757-ABRIO module sends messages to all possible racks
and builds the network rack configuration from the responses. It
displays a list of the racks it found in the network tree.
If you expand a rack, the partial racks that make up that rack
number are displayed.
7. If you are using 1771 remote I/O modules,
a. Right-click the rack in the network tree and select Enter Rack
Switch Setting.
The Select Rack Setting dialog box opens.