Rockwell Automation 1606-XLSBUFFER48 Power Supply Reference Manual - Manual (Page 4)

All parameters are specified at 24V, 20A, 25°C ambient and after a 5 minutes run-in time, unless noted otherwise.
4 Rockwell Automation Publication 1606-RM027A-EN-P — April 2014
Bulletin 1606 Switched Mode Power Supplies
5. Standby Mode
Input voltage nom. DC 48V
Voltage range nom. 48-56Vdc
Input current typ. 40mA
Power dissipation typ. 1.9W
Status lamp always on
Active signal high ohmic
Ready signal low ohmic
6. Charging Mode
Charging current min. 0.3A Charging mode
max. 0.5A Charging mode
Charging time min. 22s / 17s Initial charge 1) / Re-charging 2)
max. 32s / 25s Initial charge 1) / Re-charging 2)
Status lamp flashes 1.25Hz
Active signal high ohmic
Ready signal high ohmic
1) Initial charging is the first charge after voltage is applied to the buffer unit.
2) Re-charging is the charging of the internal capacitors after voltage interruptions of less than 2 minutes.
Fig. 6-1 Re-charging time, 48V
Charge
20
0 5 10 30s
Charging Time
40
80
60
100%
15 20 25
max min