Emerson BDS-40 Fascicule

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1050 Dearborn Drive

P.O. Box 29186

Columbus, Ohio 43229

800 877 9222 Phone (U.S. & 

Canada Only)

614 888 0246 Phone (Outside U.S.)

614 841 6022 FAX

Via Leonardo Da Vinci 8

Zona Industriale Tognana 

35028 Piove Di Sacco (PD)

Italy

39 049 9719 111 Phone 

39 049 5841 257 FAX

Emerson Network Power Asia Pacific

7/F., Dah Sing Financial Centre

108 Gloucester Rd, Wanchai

Hong Kong

852 25722201 Phone 

852 28029250 FAX

800 222 5877 Phone

614 841 6755 (outside U.S.)

monitoring@emerson.com   email

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.

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. 

Remote alarm reset: User-supplied 12 to 32V signal. (Less than 50ma.) 

Momentarily applying voltage initiates the reset action.

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.)

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). 

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.

Temperature range: 

5°C to 40°C (41°F to 104°F)

Indoor use only.

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)

Number of cell channels:  Up to six strings of 40, 12 volt jars.

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)

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

Business-Critical Continuity, Emerson Network

Power and the Emerson Network Power logo

are trademarks and service marks of Emerson

Electric Co. ©2008 Emerson Electric Co.