DuraComm BMS-360-48 Technisches Datenblatt

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BMS$360$48*

48$Volt*Battery*Management*System*

Owners*Guide*

(These instructions are intended for use by a technician familiar with electronic products)

•2!Rack!unit!high!

•Up!to!40!Amps!max!load!

•Suggested!battery!capacity:!20!to!65!AH!

•Smart!Charging!and!Low!Voltage!Disconnect!

•Front!panel!indicators!for!AC!fail!

•3!year!warranty

DESCRIPTION

The Model BMS-360-48 is a complete battery management system for installations which already have a primary power

supply but are lacking battery backup. Smart Charging and battery protecting Low Voltage Disconnect maintain and prevent battery

failures caused by over-charging and excessively deep discharging. Dual Schottky diodes provide smooth transfer to battery power and

auto-revert to AC mains power that is seamless and glitch less.

The Smart Charger is designed to auto-charge and maintains Gelled electrolyte (Gel-Cell) and liquid electrolyte lead-acid 48

volt batteries up to 65Amp Hour. The charger is a constant current monitoring charger for the charging and maintenance of fixed

location UPS, emergency lighting systems, and telecommunications battery backup systems.

The charger is protected against over loading by deep discharge start circuitry with auto shut down due to over-voltage, over-

temperature, short circuit and reverse polarity.

Switching mode circuit design provides high efficiency, compact size, cool operation, and high reliability.

The Model BMS-360-48 incorporates an automatic Low Voltage Disconnect that monitors battery voltage and disconnects the

load when the battery voltage drops below 42 VDC. The LVD has been adjusted and calibrated at the factory for correct voltage

disconnect and re-connect. No adjustment is required.

The LVD is pre-set to disconnect the load at 42 VDC. However, to prevent premature or false disconnect when the battery

voltage drops below the 42volt threshold a timer is started. If the battery recovers to above 42volts, the timer resets and waits. The

battery can and will recover if the system is a repeater or remote base station or similar equipment that has a varying demand that

fluctuates from low to high current. The delay ensures the battery is not disconnected until necessary to prevent damage.

After the AC main power is restored and the battery is recharging, the LVD will reconnect the load when the battery voltage

exceeds 50 volts.

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SPECIFICATIONS

Operational DC Voltage…………………………………………………………………………………………..55.2 VDC, nominal

Maximum Current, continuous……………………………………………………………………………………………….40 Amps

Low Voltage Disconnect……………………………………………………………………………………………………... 42 VDC

Low Voltage RE-Connect………………………………………………………………………………………………………50 VDC

Maximum Charger output current……………………………………………………………………………………………6.2 Amps

AC Input voltage range (switch selectable, Factory Set)……………………………………………….100-130 or 200-260 VAC

Max inrush current, single cycle…………………………………………………………………………………………………..60 A

Input frequency range…………………………………………………………………………………………………………47-63 Hz

Typical Efficiency…………………………………………………………………………………………………………….……85 %

Short Circuit protection………………………………………………………………………………………..……Fold back Limiting

Overload Protection (operates)………………………………………………………………………………………..typical 110 %

Over Temperature……………………………………………………………………………..>195 F (90 C) auto output shutdown

Working Temperature range…………………………………………………………………………………-4 –140 F (-20 -+60 C)

Storage Temperature………………………………………………………………………………………-40 –185 F (-40 -+85 C)

Size………………………………………………………………………………………...3.5” in (Two rack units) h x 19” w x 13” d!

Weight…………………………………………………………………………………………………………………..12.5 lb, nominal

CHARGER SPECIFICATIONS

Output Voltage, charger……………………………………………………………………………………………………..55.2 VDC

Maximum Charger Power, continuous…………………………………………………………………………………….360 Watts

Maximum Charger output current……………………………………………………………………………………………6.2 Amps

Max inrush current, single cycle………………………………………………………………………………………………60 Amps

AC Input voltage range (switch selectable)…………………………………………………….…………90-130 or 180-260 VAC

Input frequency range………………………………………………………………………………………………………..47-63 Hz

Typical Efficiency……………………………………………………………………………………………………..………….85 %

Short circuit protection………………………………………………………………………………………….....Fold back Limiting

Overload Protection (operates)…………………………………………………………………………………………Typical 110%

Over Temperature range…………………………………………………………..…………>195 F (90 C) auto output shutdown

Working Temperature range…………………………………………………………………………………-4 –140 F (-20 -+60 C)

Storage Temperature………………………………………………………………………………………-40 –185 F (-40 -+85 C)

INSTALLATION WARNING

The individual user should take care to determine, prior to use or installation, whether this device is suitable, adequate or safe for the

use intended. Since individual applications are subject to great variation, DuraComm makers no representation or warranty as to the

merchantability, suitability or fitness of these units for any specific application.

DO NOT block any of the cooling vents on the sides and always allow adequate ventilation by not installing the unit inside tightly closed

spaces. Physical mounting position is not critical but the cooling vents must not be blocked. Make certain the input voltage switch is

set to the correct voltage BEFORE applying AC power.

The power supply output voltage measured at the rear panel terminals should be set to 56 VDC using an accurate voltmeter.

This is to compensate for the 0.3 volt drop of the diode switches. If this voltage is not correct, charger mis-operation will

result.

Connect the battery positive to the red terminal labeled, “Battery Positive (+)”.

Connect the load positive to the red terminal labeled, “Load Positive (+)”.

Connect the power supply positive output to the red terminal labeled, “Power Supply Positive (+)”.

Connect the power supply, battery and load negative outputs to the black terminal labeled, “Power Supply, Load, Battery Negative (-).

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CAUTION: Under no circumstances should more than 60 VDC be applied to the input. Permanent damage to the LVD

will result.

Make certain the unit is OFF. Double check the color coded leads from the battery, load and power supply. Select the proper AC input

voltage, 110-120 VAC or 220-240 VAC, prior to plugging the unit into the AC mains.

L.E.D. STATUS INDICATORS - There is one LED type status light located on the BMS unit.

When charging series connected batteries identical batteries must be used.

This completes the installation. Failures require investigation as to cause and/or repair of the unit.

THERE ARE NO USER SERVICEABLE PARTS INSIDE. SERVICE AND REPAIR MUST BE REFERRED TO QUALIFIED

FACTORY PERSONNEL.

INSTALLER NOTES

WARNING: THERE ARE NO USER SERVICEABLE PARTS INSIDE. SERVICE AND REPAIR MUST BE REFERRED TO

QUALIFIED FACTORY PERSONNEL.

NOTE: The individual user should take care to determine, prior to use or installation, whether this device is suitable, adequate or safe

for the use intended. Since individual applications are subject to great variation, DuraComm makes no representation or warranty as to

the merchantability, suitability or fitness of these units for any specific application.

RECOMMENDED COPPER WIRE SIZE FOR CURRENT CAPACITY

(Insulated Wire, Single Conductor in free air)

Current Level in Amperes

<7 AMPERES

Wire Size

20 AWG Up to 5 feet

18 AWG Up to 10 feet

14 AMPERES

18 AWG Up to 5 feet

16 AWG Up to 10 feet

20 AMPERES

16 AWG Up to 5 feet

14 AWG Up to 10 feet

30 AMPERES

14 AWG Up to 5 feet

12 AWG Up to 10 feet

40 AMPERES

12 AWG Up to 5 feet

10 AWG Up to 10 feet

50 AMPERES

10 AWG Up to 5 feet

8 AWG Up to 10 feet

70 AMPERES

8 AWG Up to 5 feet

6 AWG Up to 10 feet

100 AMPERES

6 AWG Up to 5 feet

4 AWG Up to 10 feet

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LIMITED WARRANTY

DuraComm warrants to the initial end user, each power supply manufactured by DuraComm to be free from defects in

material and workmanship, when in normal use and service for a period of three year from the date of purchase, from an

authorized DuraComm dealer.

Should a product manufactured by DuraComm fail or malfunction due to manufacturing defect, or faulty component,

DuraComm, at its option, will repair or replace the faulty product or parts thereof, which, after examination by

DuraComm, prove to be defective or not operational according to specifications in effect at the time of sale to the initial

end user. The product that is replaced or repaired under the provisions of this warranty, will be warranted for the

remainder of the original warranty period, only, and will not extend into a new three year warranty period.

The limited warranty does not extend to any DuraComm product which has been subject to misuse, accidental damage,

neglect, incorrect wiring not associated with manufacture, improper charging voltages, or any product which has had the

serial number removed, altered, defaced, or changed in any way.

DuraComm reserves the right to change, alter, or improve the specifications of its products at any time, and by so doing,

incurs no obligation to install or retrofit any such changes or improvements in or on products manufactured prior to

inclusion of such changes.

DuraComm requires any product needing in or out of warranty service to be returned to DuraComm. All requests for

warranty service must be accompanied by proof of purchase, such as bill of sale with purchase date identified. DuraComm

is not responsible for any expenses or payments incurred for the removal of the product from its place of use,

transportation or shipping expenses to the place of repair, or return expenses of a repaired or replacement product to its

place of use.

The implied warranties which the law imposes on the sale of this product are expressly LIMITED, in duration, to the three

(3) year time period specified herein. DuraComm will not be liable for damages, consequential or otherwise, resulting from

the use and operation of this product, or from the breach of this LIMITED WARRANTY.

Some states do not allow limitations on the duration of the implied warranty or exclusions or limitations of incidental or

consequential damages, so said limitations or exclusions may not apply to you. This warranty gives you specific legal

rights which vary from state to state.

This warranty is given in lieu of all other warranties, whether expressed, implied, or by law. All other warranties,

including WITHOUT LIMITATION, warranties of merchantability and fitness or suitability for a particular purpose, are

specifically excluded. DuraComm reserves the right to change or modify its warranty and service programs without prior

notice.

DuraComm® Corporation

6655 Troost Avenue

Kansas City, MO 64131

Phone (816) 472-5544 Fax (816) 472-0959

www.duracomm.com

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