Rockwell Automation 1771-P4R_P6R Allen-Bradley Redundent Power Installation Instructions User Manual
Page 5

Allen-Bradley Redundant Power Supplies
5
Publication 1771-IN030B-EN-P - July 2002
Set the Jumpers
Each power supply module has two jumpers located at the back of
the power supply near the edge connectors. The jumper selection
provides the proper voltage regulation for the different power supply
configurations. The power supply can be configured to support local
or remote sensing by setting the jumpers.
1. Locate the power supply jumpers on the back edge of the module
near the gold-plated edge connectors:
19965
2. Position the power supply module so that the jumpers and pins
are facing upward.
3. Use needle nose pliers to position the jumpers as shown in
this table.
For this configuration
Set jumpers to
All power supplies in a powerĆsupply
chassis (1771ĆPSC) connected to an
I/O chassis.
right position
All other configurations.
(These power supplies are shipped with
jumpers set to the left.)
left position
IMPORTANT
To avoid system malfunctions, set the jumpers
of power supplies in 1771 I/O chassis to the
left position.