Rockwell Automation Publication 1769-UM021G-EN-P - October 2015 69
Install the CompactLogix 5370 L3 Controller Chapter 3
Power Supply Distance Rating
CompactLogix 5370 L3 controllers and the Compact I/O modules have power
supply distance ratings. Power supply distance ratings determine how many slots
in a bank that a device can be from the power supply.
For example, a product with a power supply distance rating of four can only have
up to three slots between it and the power supply.
CompactLogix 5370 L3 controllers must be the leftmost device in the control
system, and the system only enables up to three modules between the controller
and the power supply. This graphic shows an example configuration.
Ground the System
For more information, see the Industrial Automation Wiring and Grounding
Guidelines, publication 1770-4.1
.
Device Power Supply Distance Rating
CompactLogix 5370 L3 controller
1769 Compact I/O DeviceNet scanner
4
Compact I/O module 4…8, depending on module
For more information about the power supply distance
rating for a Compact I/O module, see CompactLogix
Selection Guide, publication 1769-SG001
ATTENTION: This product is intended to be mounted to a well-grounded
mounting surface such as a metal panel. Additional grounding connections
from the power supply's mounting tabs or DIN rail (if used) are not required
unless the mounting surface cannot be grounded.
See Industrial Automation Wiring and Grounding Guidelines, Rockwell
Automation publication 1770-4.1
, for additional information.
1769-CRLx Cable
Bank 1 Bank 2
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