Emerson Albr BDS-40 - Manual (Page 2)

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Sealed batteries are sensitive to temperature and float voltage settings.
Monitoring these conditions can considerably extend useful battery life.
An Albér battery monitor provides the user with detailed information,
allowing for cost savings by optimizing useful battery life. Instead of waiting
for an inevitable failure or replacing batteries prematurely to prevent
problems, you can continue to utilize your batteries longer and with
confidence by knowing their true internal condition.
It is essential to detect deterioration at an early stage to prevent
catastrophic failures when dealing with 12 volt sealed batteries. This makes
measurement technology the most important consideration when selecting
a monitoring system. Other battery monitors’ internal ohmic readings
become inconsistent as the UPS load varies because of variations in AC
ripple on the battery. The Albér DC resistance test method is not influenced
by ripple and thus provides data that is repeatable and reflects the true
condition of the battery.
Power
Less than 2.0 amps at 115 VAC ±10% 60Hz (for a maximum configuration of one Base Unit
and five Plus Units with a total of 40 jars).
Configurations: 17, 20, 24, 25, 26, 27, 29, 30, 32, 33, 34, 35, 36, 38, and 40
12-volt jars per string are supported.
Inputs
Remote alarm reset: User-supplied 12 to 32V signal. (Less than 50ma.)
Momentarily applying voltage initiates the reset action.
Outputs
24 VAC power: For up to five Plus Units.
Alarm contacts: Two Form C: 2A at 30VDC.
(One for critical alarm; one for maintenance alarm.)
Communication
Modbus protocol, ASCII to PC, and SNMP via Ethernet.
LAN port, RJ-45.
USB + RS-232 DB-9 connector for local PCV connection.
Local/LAN port, RS-232 DB-9 connector (rear panel).
RJ-11 Telco line, internal modem (optional).
Data Storage
SRAM (8 MB) nonvolatile memory for all configuration settings and test data.
Holds up to one year’s worth of data.
Flash memory for firmware upgrades.
Operating Environment
Temperature range: 5°C to 40°C (41°F to 104°F)
Indoor use only.
Packaging
Base unit: 19”W (482.6mm) x 16.2”D (411.5mm) x 7.8”H (198.1mm)
Plus unit: 19”W (482.6mm) x 16.2”D (411.5mm) x 6.1”H (155mm)
Parameters/Features
Number of cell channels: Up to six strings of 40, 12 volt jars.
Measurement Range/Accuracy
Cell voltage: 0 - 16V, 0.15% of reading ±4mV
Cell Resistance 0 - 32000 µΩ, 5% of reading ±5µΩ
String voltage: 0 - 400V, 0.1% of reading ±.1V 0 - 600V, 0.2% of reading ±.5V
Discharge Current: 0 - 600V, 0.1% of reading ±6A 0 -1000V, 0.1% of reading ±10A
Current transducer is required.
Transducer accuracy affects overall current reading accuracy.
Float Current: 0 - 5000mA, ±0.1% of reading (Optional)
Albér BDS-40 Base Unit
Specifications
While every precaution has been taken to ensure accuracy and
completeness in this literature, Liebert Corporation assumes no
responsibility, and disclaims all liability for damages resulting
from use of this information or for any errors or omissions.
© 2008 Liebert Corporation. All rights reserved throughout
the world. Specifications subject to change without notice.
All names referred to are trademarks or registered trademarks
of their respective owners.
® Liebert is a registered trademark of the Liebert Corporation.
SL-29202 (R05/08) Printed in USA
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Power and the Emerson Network Power logo
are trademarks and service marks of Emerson
Electric Co. ©2008 Emerson Electric Co.