E3C011 Battery charging module
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Siemens Building Technologies 007831_a_en_--.doc
Fire & Security Products 03.2004
7 E3C011 Battery charging module
7.1 Overview
For the charging and monitoring of the 24V emergency power battery
I-Bus module with processor
Designed for the AC/DC converter B2F020
Temperature compensation via external temperature sensor
Choice of functions (via maintenance PC) factory setting:
– emergency power available
yes/no yes
– battery available
yes/no yes
– charging
yes/no yes
– presence monitoring
yes/no yes
– symmetry monitoring
yes/no yes
– automatic battery load test
yes/no yes
– fault signal delay upon mains failure
1...30 min.
Card format 100mm x 200mm
7.2 Application
– As battery charger control unit
– For auxiliary batteries
7.3 Key data
Input voltage
29.6V
DC ±2% (B2F020)
Battery 2 x 12V / 6...27Ah, lead battery
(full battery recharging up to 80% within 24h)
Charging characteristics Can be adjusted to 16 makes of battery using programming switch ”S2”
Charging current max: 1.7A (current limitation)
Battery monitoring Battery presence test every 55sec
Symmetry monitoring Asymmetry >1V = Fault
Battery test Automatic battery load test
(3A for 10sec once every 23h),
Can also be activated manually via B3Q700
EMI-protected battery line no
Low discharge protection Battery operation switches off when voltage is 21.0V
Quiescent current 20mA when on emergency power operation
40mA when on mains operation without battery charging
Terminal block X17 (20 terminals)
- mounted on module chassis
- for the connection of the prefabricated cable for
battery, temperature sensor and power unit
Battery terminals (+, -, Centre tap)
Temperature sensor
Card chassis
- mounted on module chassis
E3C011
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