User manual
24 Rockwell Automation Publication 1756-UM001O-EN-P - October 2014
Chapter 1 Install the 1756-L7x Controller
1. Align the circuit board with the top and bottom guides in the chassis.
2. Slide the module into the chassis until it snaps into place.
3. Verify that the controller is flush with the power supply or other installed
modules.
After you have inserted the controller into the chassis, reference the Troubleshoot
the Module on page 183 for information to interpret the status indicators.
Insert the Key
After the controller is installed, insert the key.
Logix 55xx
RU
N
FO
RCE
S
D
OK
Top Circuit Board
Aligned
Bottom Circuit Board
Aligned
Logix 55xx
RUN
FORCE
SD
OK