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UB10.245 Datasheet(PDF) 3 Page - PULS GmbH |
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UB10.245 Datasheet(HTML) 3 Page - PULS GmbH |
3 / 24 page UB10.245 U–Series DC-UPS, DUAL OUTPUT 5. INPUT Input voltage nom. DC 24V Input voltage ranges nom. 22.5 to 30Vdc Continuous operation, see Fig. 5-1 30 to 35Vdc Temporarily allowed, no damage to the DC-UPS *) 35Vdc Absolute maximum input voltage with no damage to the DC-UPS 0 to 22.5Vdc The DC-UPS switches into buffer mode and delivers output voltage from the battery if the input was above the turn-on level before and all other buffer conditions are fulfilled. Allowed input voltage ripple max. 1.5Vpp Bandwidth <400Hz 1Vpp Bandwidth 400Hz to 1kHz Allowed voltage between input and earth (ground) max. 60Vdc or 42.4Vac Turn-on voltage typ. max. 22.8Vdc 23Vdc The output does not switch on if the input voltage does not exceed this level. Input current **) typ. 140mA Internal current consumption typ. 1.1A Current consumption for battery charging in constant current mode at 24V input See Fig. 8-2 ***) External capacitors on the input No limitation *) The DC-UPS shows “Check Wiring” with the red LED and buffering is not possible **) The total input current is the sum of the output current, the current which is required to charge the battery during the charging process and the current which is needed to supply the DC-UPS itself. See also Fig. 5-2. This calculation does not apply in overload situations where the DC-UPS limits the output current, therefore see Fig. 5-3. ***) Please note: This is the input current and not the current which flows into the battery during charging. The battery current can be found in chapter 8. Fig. 5-1 Input voltage range Fig. 5-2 Input current, definitions A: Rated input voltage range B: Temp. allowed, no harm to the unit C: Absolute max. input voltage D: Buffer mode V IN 18 30 35V 22.5 0 AB C D V OUT Internal current consumption Current consumption for battery charging Output Current Input Current Fig. 5-3 Input current vs. 24V output current, typ. (battery fully charged) Electronic output current limitation The DC-UPS is equipped with an electronic output current limitation. This current limitation works in a switching mode which reduces the power losses and heat generation to a minimum. As a result, the output voltage drops since there is not enough current to support the load. A positive effect of the current limitation in switching mode is that the input current goes down despite an increase in the output current resulting in less stress for the supplying source. 0 0 5 10 15 20A Output Current 48 12 20A Output Voltage 15 20V Overload Inp ut Cu rre nt 10 3/24 Fig. 5-3 shows the behavior when the 12V is not loaded. Power which is taken out from the 12V reduces the power on the 24V side. June. 2010 / Rev. 1.1 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 +49 89 9278 0 Germany |
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