Puls UB10.245 Circuit Diagram

U–Series

DC-UPS, DUAL OUTPUT

UB10.245

10. EFFICIENCY AND POWER LOSSES

Efficiency typ. 97.5% Normal mode, 24V 10A, 12V 0A, battery fully charged
typ. 96% Normal mode, 24V 7.0A, 12V 5A, battery fully charged
Power losses typ. 3.4W Normal mode, no load, battery fully charged
typ. 6W Normal mode, 24V 10A, 12V 0A, battery fully charged
typ. 10W Normal mode, 24V 12.3A, 12V 5A, battery fully charged
typ. 5.5W During battery charging, no load.
typ. 19W Buffer mode, 24V 10A, 12V 0A
typ. 23W Buffer mode, 24V 7.0A, 12V 5A

11. FUNCTIONAL DIAGRAM

Fig. 11-1 Functional diagram

DC-UPS Control Unit

Input Fuse

24V

Power

Supply

12V Battery

+

-

Input

Battery

+

-

+

-

&

Reverse

Polarity

Protection

Battery

Tester

Cut-off

Relay

*

Battery

Charger

Electronic

Step-up

Converter

Current

Limiter

Step-down

Converter

Controller

+

24V Output

Buffered

Load

-

+

12V Output

Buffered

Load

-

Status LED (green)
Diagnosis LED (yellow)

Check Wiring LED (red)
Buffer-time Limiter

10s, 30s, 1m, 3m, 10m,

End-of-charge Voltage

(7)

Inhibit +

(8)

Inhibit -

(1) (2)

Ready
Contact

*) Return current protection; This feature utilizes a Mosfet instead of a diode in order to minimize the voltage drop and power

losses.

(3) (4)

Buffering
Contact

(5) (6)

Replace
Battery
Contact

May. 2008 / Rev. 1.0 Datasheet DS-UB10.245-EN
All parameters are specified at an input voltage of 24V, 10A output load, 25°C ambient and after a 5 minutes run-in time
unless otherwise noted. It is assumed that the input power source can deliver a sufficient output current.

www.pulspower.com Phone [phone] Germany

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