Rockwell Automation 1747-L40 SLC 500 Fixed Hardware Style - Manual (Page 57)

Chapter 4
Installing Your Hardware Components
4–2
2. Slide the expansion chassis forward until the back of the expansion
chassis is flush with the fixed controller and the connector on the
expansion circuit board is mated with the connector in the controller.
19528
With the 2–slot expansion chassis on the fixed style unit, additional I/O and
specialty modules can be supported.
!
ATTENTION: Never install, remove, or wire modules with
power applied to the chassis.
1. Align circuit board of the module with card guide in chassis.
Side View
Retainer Clip
Retainer Clip
Installing I/O and Speciality
Modules