Rockwell Automation 1794-AENTR_AENTRXT FLEX I/O Dual Port EtherNet/IP Adapter Modules - Manual (Page 18)

Publication 1794-UM066A-EN-P - February 2012
10 Install Your FLEX I/O Adapter
terminal base and the adapter tight together, reducing the possibility of a
break in communication over the backplane.
7. Complete the adapter mounting as shown below.
Push down and in at the same time to lock the adapter to the DIN rail.
If the adapter does not lock in place, use a screwdriver or similar device to
move the locking tab down while pressing the adapter flush onto the DIN
rail, and release the locking tab to lock the adapter module in place. If
necessary, push up on the locking tab to lock.
When the adapter is locked onto the DIN rail, gently push the FlexBus
connector into the adapter to complete the backplane.
8. Reinstall the module in the adjacent terminal base unit.