Allen-Bradley DC-UPS Manual page 10

DC-UPS - 24V, 20 A, 480 W Reference Manual
10
Figure 3 - Input Voltage Ranges
35V
Buffer Voltage Settings
Four Ranges:
A B
22.5V 24V
30V 30V 30V
25V
23.5
V
18V
0V
Figure 4 - Buffer Voltage Settings on the Front
Rockwell Automation Publication 1606-RM008A-EN-P - November 2021
Temporarily
allowed -
No Charging,
C D
no Buffering
25V 26V
30V 30V
27V Normal
Operating
26V
Voltage
(4 Ranges)
Range C
Range B
Battery Mode
Buffer
Voltage
D: 26V
C: 25V
B: 24V
A: 22.5V
Range D
Range A