Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 27)

Publication 1769-UM009E-EN-P - August 2009 27
Installation and Wiring Chapter 3
System Assembly The scanner module can be attached to an adjacent controller, power supply,
or I/O module. This procedure shows you how to assemble the Compact I/O
system.
1. Disconnect power.
2. Check that the bus lever of the scanner 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 scanner module back along the tongue-and-groove slots until
the bus connectors (C) line up with each other.
5. Use your fingers or a small screwdriver to push the bus lever back
slightly to clear the positioning tab (D).
6. Move the scanner module’s bus lever fully to the left (E) until it clicks.
Make sure it is locked firmly in place.
7. Attach an end cap terminator (F) to the last module in the system by
using the tongue-and-groove slots as before.
8. Lock the end cap bus terminator (G).
ATTENTION
When attaching I/O modules, it is very important that the
bus connectors are securely locked together for a proper
electrical connection.
IMPORTANT
A 1769-ECR or 1769-ECL right or left end cap must be
used to terminate the end of the serial communication
bus.
G
F
E
D
B
A
B
C