Rockwell Automation 1769-L31 CompactLogix Controller Installation Instructions User Manual
Page 10

10 1769-L31 CompactLogix Controller
Publication
1769-IN069C-EN-P - May 2008
2. Check that the lever of the adjacent module (A) is in the unlocked
(fully right) position.
3. Use the upper and lower tongue-and-groove slots (B) to secure the
modules together.
4. Move the module back along the tongue-and-groove slots until the
bus connectors line up with each other.
5. Use your fingers or a small screwdriver to push the module’s bus lever
back slightly to clear the positioning tab (C).
6. Move the module’s bus lever fully to the left (D) until it clicks, being
sure it is locked firmly in place.
7. Attach an end cap terminator (E) to the last module in the system by
using the tongue-and-groove slots as before.
8. Lock the end cap bus terminator (F).
ATTENTION
When attaching the controller, power supply, and I/O modules, make sure the
bus connectors are securely locked together to be sure of proper electrical
connection.
F
E
D
C
B
B
A