Rockwell Automation 1606-XLSPRED Power Supply Reference Manual - Manual (Page 14)

All parameters are specified at 24V, 2.5A, 230Vac input, 25ªC ambient and after a 5 minutes run-in time unless noted otherwise.
14 Rockwell Automation Publication 1606-RM035A-EN-P — April 2014
Bulletin 1606 Switched Mode Power Supplies
16. Application Notes
16.1. Recommendations for Redundancy
Recommendations for the configuration of redundant power systems:
• Use separate input fuses for each power supply.
• Use three-phase power supplies to gain functional safety if one phase fails.
• When single-phase power supplies are utilized connect them to different phases or mains circuits if possible.
• Set the power supply in “Parallel-Use” mode if this feature is available
• It is desirable to set the output voltages of all power supplies to the same value.
16.2. Inductive and Capacitive Loads
The unit is designed to supply any kind of load, including unlimited inductive and capacitive loads.
16.3. Example: 1+1 Redundancy
A 1+1 redundancy up to 2.1A requires two 1606-XLP50E power supplies (each 2.1A output current) and one
16060-XLPRED redundancy module.
Fig. 16-1 Wiring diagram, 1+1 Redundancy, 2.1A output current
XLPRED
IN 1
+ - + -
L
N
I I
XLP50E
Power
Supply
L N
Output
Input
+ + - - DC
OK
XLP50E
Power
Supply
L N
Output Input
Load
+ - - + -
IN 2
Alarm
Monitor
Output
+ + - - DC
OK
+
Note: Whenever possible, use separate mains systems for each power supply.