Rockwell Automation 1769-L23E-QB1B_QBFC1B_QBFC1B CompactLogix Packaged Controller Installation Instructions - Manual (Page 12)

12 CompactLogix Controller
Rockwell Automation Publication 1769-IN082C-EN-P - February 2013
4. Close the battery door.
Connect Expansion Modules (optional)
If using expansion modules with your packaged controller, complete these steps to attach the
modules.
1. Remove the end cap by unlocking it and sliding it forward.
2. Align the tongue-and-groove slots of the expansion module with those on the right end
of the packaged controller.
3. Slide the module onto the packaged controller.