Rockwell Automation 1769-SDN Compact I/O DeviceNet Scanner Module User Manual - Manual (Page 32)

32 Publication 1769-UM009E-EN-P - August 2009
Chapter 3 Installation and Wiring
Field Wiring Connections Follow these procedures to wire the scanner module.
Grounding the Scanner Module
This product is intended to be mounted to a well-grounded mounting surface,
such as a metal panel. Additional grounding connections from the scanner’s
mounting tabs or DIN rail (if used), are not required unless the mounting
surface cannot be grounded.
For additional information on grounding the scanner module, refer to
Industrial Automation Wiring and Grounding Guidelines, Allen-Bradley
publication
1770-4.1 .
DeviceNet Wiring
ATTENTION
The grounding screw on the front of the scanner module must
be connected to a suitable ground source when operating in
electrically noisy environments. Use a 2.1 mm
2
(14 AWG) wire
to make this connection.
DeviceNet
Connector
Connect
(1)
(1) DeviceNet cable colors are shown on the
wiring label on the front of the scanner
To
Red Wire V+
White Wire CAN High
Bare Wire Shield
Blue Wire CAN Low
Black Wire V-
Grounding Screw
Use 2.1 mm
2
(14 AWG
wire to connect to
panel ground.