Reference Manual
All parameters are specified at 12V, 1.3A, 230Vac input, 25°C ambient and after a 5 minutes run-in time.unless noted otherwise.
Rockwell Automation Publication 1606-RM020A-EN-P — March 2014 7
Bulletin 1606 Switched Mode Power Supplies
7. Hold-up Time
AC 100V AC 120V AC 230V
Hold-up Time typ. 62ms 96ms 365ms at 12V, 0.65A, see Fig. 7-1
typ. 30ms 46ms 191ms at 12V, 1.3A, see Fig. 7-1
Note: At no load, the hold-up time can be up to several seconds. The green DC-ok lamp is also on at this time.
Fig. 7-1 Hold-up time vs. input voltage Fig. 7-2 Shut-down behavior, denitions
0
25
50
125
150ms
85 120 155 190 230Vac
Input Voltage
Hold-up Time
75
100
a) 12V 0.65A typ.
b) 12V 0.65Amin.
c) 12V 1.3A typ.
d) 12V 1.3A min.
a b c d
- 5%
Hold-up Time
Zero Transition
Output
Voltage
Input
Voltage