Rockwell Automation 1756-IH16ISOE ControlLogix Sequence of Events Module - Manual (Page 37)

Publication 1756-UM528A-EN-P - April 2004
Installing the Sequence of Events Module 3-11
2. Press quickly and evenly to seat the RTB on the module until
the latches snap into place.
3. Slide the locking tab down to lock the RTB onto the module.
20854-M
Locking tab