BACS
Ac i t ve B a t te r E q u a l i z a t i o n
®
BACS System
Battery Analyze and Care System
CM COMANDOS LINEARES
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COMANDOS
LINEARES
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COMANDOS
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Management, Treatment and
Automated Battery Active
Equalization
T H E C O M PA N Y
Generex Systems is one of the largest companies engaged in the development
of networking solutions and remote management for UPS systems in the world.
Founded in 1993 in Hamburg, Germany, it is specialized in automatic shutdown software and remote management,
network adapters for UPS systems, facilities and batteries remote management. Its solutions equip thousands of
installations in over 115 countries, over 80 brands and is present in Brazil by a partnership with the CM Comandos,
as the exclusive distributor and one of the global manufacturing centers of BACS system.
GOVERNANCE
B AT T E R Y M A I N T E N A N C E
Battery banks with series-connected batteries to
power emergency systems are used worldwide.
The series-connected batteries have single
e differences in voltage, causing some not to fully load and others are overloaded, damaging them. The result is
premature deterioration and loss of reliability. For managers of mission-critical systems, there is no other choice but
the scheduled replacement of all batteries, since there was no other solution. In addition to the durability problem,
the reliability causes great concern for the administrators of Critical-Mission systems, generating high maintenance
costs.
These are the frequent challenges to those who deal with the maintenance of the batteries:
What is the criticality of Critical-Mission Systems powered by the battery bank?
Are there Preventive and Predictive Maintenance Routines of Battery Banks?
How often there are inspections and are there any records of its battery maintenance?
Can you easily find and access these maintenance records for the last two years?
Can you forecast when the Battery Bank will go into a flaw?
How often the banks of batteries are replaced?
When a battery is defective, only defective battery is changed?
It would be possible to say whether the batteries in your battery bank are reliable
and have a measurement that proves it?
BACS System
®
Battery Analyze and Care System
W H AT I S I T ?
BACS System® is a revolutionary solution for Battery Single Active
Equalization. It is a patented and unique system in the world market,
produced under exclusive license of CM Comandos.
Each battery receives a Battery Module connected to a controller,
the WebManager Central. The Central supervises the final voltage of the
battery and controls the Battery Modules to regulate the voltage across
each battery, so that all the batteries always have the same voltage.
Each battery module has a microcontroller and an active module that
keep all batteries equalized, that is, within the same voltage.
The Active Equalization ensures that all batteries are also equally
charged with the same voltage, eliminating the negative effect of a
battery to overload one another, with load excess or the contrary,
to prevent the adjacent batteries to be fully charged.
The BACS® system allows batteries to reach100% of its shelf life,
designed by the manufacturers.Before, without BACS®, batteries
deteriorated themselves early and they had to be replaced. Depending
on the type of the battery, the durability can be doubled, eliminating
replacements and reducing the recycling needs.The recycling process
consumes large amounts of natural resources.
HOW DOES IT WORK?
BACS® - Active Equalization
The center control controls each module, connected in parallel
with the battery and controls the voltage so that all batteries
are equal. In addition, it constantly monitors individually the
Internal Resistance and the temperature of each battery, stores
data for analysis and triggers alarms before failure takes place.
Rectifier
Charger
Prevents system crash due to batteries failure
The system constantly monitors the batteries individually
and sends alarms before a problem occurs.
Battery impedance measurement
The internal impedance is the actual parameter of the battery
status. In addition, it measures the individual voltage and
temperature of each battery and records it in memory.
Automation of Batteries Maintenance
The system automatically keeps the battery in ideal conditions.
The analysis and diagnosis are remotely performed, individually
and without shutting down the system.
Real Time Battery Monitoring
It monitors remotely the status of the batteries
in real time, efficiently and reducing the high
cost of manual interventions.
BACS
Battery 2
BACS
Battery 3
BACS
Battery n
BACS
Direct current
Alternating Current input
Module BACS
Communication Cable Measurement Cable
MAIN FEATURES
Single Active equalization for Battery Bank
Increases the useful life and reliability of the batteries.
It allows batteries to achieve maximum operation shelf life.
Battery 1
BACS
Web
manager
Banc of
Battery
In addition, the system prevents the crash of the system due to battery
failure sending alarm BEFORE a system failure takes place, reducing
DOWNTIME and increasing reliability.
MAIN
F E AT U R E S
Bus
Converter
Mains input
BENEFITS
It extends battery life
The patented Active Equalization system keeps the batteries under
optimal conditions, maximizing its useful life. It reduces the need
for battery replacement and reduces cost.
Downtime cost due to battery failure
The loss resulting from a system crash due to battery
failure generates invaluable damage to its operation.
Analysis of Battery Useful Life
It analyzes the load curve and discharge of a battery
bank and track the evolution of useful life, something
that is impossible to do manually.
Reducing Cost of Ownership
It extends battery useful life, reduces the timeof replacements
and automates maintenance, reducing huge costs with
manual interventions.
Environmental Friendly and Sustainable
In the age of sustainability, reducing battery consumption means
using fewer resources and generating less discharges into the
environment.
APLICABILITY
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Battery Banks:
• UPS systems
• Telecom Rectifiers
• Solar and Wind power
• Compatible with all brands of equipment,
regardless of manufacturer.
Types:
• Sealed Valve-Regulated VRLA
• Ventilated and Stationary
• Lead, NiCd, NiMH, Li-Ion
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CONNECTIVIT Y
• Protocols: http, TCP/IP, Telnet, FTP, Modbus
over IP, SNMP MIB, Trap and Agent RFC1628.
• RS485 protocol Profibus and Lonbus through
optional adapters.
• Web Server UPSMON / Java interface.
• Envia alertas por E-mail e Broadcast.
• Integrates with UNMS II and manages over
5000 objects in single supervisory console.
B A C S V I E W A N A LY S I S
TOOL WEB MANAGEMENT
• Analyzes remotely charging and
discharging curves and traces useful life
trend curve of the batteries.
• Identifies and sends defective battery
warnings before compromising the system.
• Real-time Web
Interface
B AC S T E C H N O LO G Y ®
Single Active equalization of Batteries
The active battery module individually regulates
the voltage of each battery and keeps them
homogeneous, increasing its durability, capacity and
resistance against corrosion and sulfation.
Prevents and protects against overchanging
Through Active Equalization the batteries are
individually protected against overcharging,
preventing them from gas venting, drying of the
internal electrolyte and internal overheat.
Prevents and protects against Lack of Load
The single Active Equalization of batteries prevents
them to receive lower voltage, avoiding sulphation and
loss of capacity.
Battery Failure indicator
By measuring the Voltage, Impedance and
Temperature, the system tracks the typical battery
failures, such as sulfation, corrosion, oss of gases, drying
of electrolyte and
internal heating.
Reduces Battery Sulfation
The problem arises from the batteries chargers
and rectifiers, which regulate the flotation or
equalizing in the final voltage of the battery and do not
guarantee that some batteries receive higher voltage,
and other, less voltage. Through Active Equalization, all
batteries are kept with balanced voltage.
Protection against battery contamination
Through the single Active Equalization of each
battery, damage to one battery next to the nearby
batteries are avoided, the effect of contamination,
i.e., a bad battery damages the good ones.
Battery capacity optimization
Thanks to Active Equalization, the BACS® system
ensures full charge and maximum battery optimization.
Warning for replacing batteries
By analyzing the impedance curve, a trend
can be found, already in the initial stage of
installation, if a battery is damaged or just
weaker than the other ones. The sooner this
diagnosis is made, the better for the rest of
the useful life of the other batteries.
Battery warnings
By monitoring key parameters of batteries and
measurements of previously established thresholds,
the system sends warnings automatically to
system administrators.
Remote maintenance
The BACS® system optimizes the quality of
service, providing remote monitoring via the Internet,
VPN or other network to download data in real time
and access to the battery history for analysis.
Maintenance with the system on
The single battery tests can be done remotely
without the effort to turn off the batteries.
The maintenance and battery tests can be
carried out in real operating conditions, without
the need to shutdown the system.
Optimize field maintenance
Maintenance staff moves only when there are
corrective and direct interventions in the battery
to be defective in the event of warnings or
diagnostic analysis and, of course, it cuts
down huge operating costs.
T E C H N I C A L S P E C I F I C AT I O N S
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Model BACS C20
• 12 VDC
• Capacity of 7 - 600 Ah
• Equalization power 150 mA
• Range 7 - 17 VDC and 0.5 - 60 mOhm
Model BACS C40
• 2 VDC
• Capacity of 7 - 5000 Ah
• Equalization power 900 mA
• Range 1.25 - 3.2 VDC and 0.02 - 6mOhm
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Signs: 3 LEDs: status of central, BACS warning and
device warning (when connected).
Warning: 1 Audible alarm with reset button.
Sizing: 130 x 125 x 30 mm - 180 gr
Environment: sheltered, IP-20, 0 - 60 C, relative
humidity 20% - 90% non-condensing.
Power supply: 12VDC, stabilized.
adapter:
a) external adapter 110/220VAC to 12VDC
stabilized - requires outlet with UPS.
b) version DC: input 192, 288, 384 and 480VDC
(optional) for direct connection to the battery bank.
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BACS Splitting Box
Function: Accessory to organize and optimize
the length of communication cables, used on large
battery banks and / or high amounts of strings
Interfaces:
• 5 Ports RJ10 – battery modules
• 1 Porta RJ10 - Communication Bus
Environment: sheltered, IP-20, 0 to 60 C, relative
humidity 20%- to 90% non-condensing.
Sizing: 92 x 67 x 25 mm - 90 gr
Adapter: not required, passive element for
connecting star communication cables.
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Communication cables - Bus Cables
Composition: cables with noise insulation and EMI
avoiding loss of communication
B2BCRJ10025 Bus Cables 0.25 m
B2BCRJ1004 Bus Cables 0.40 m
B2BCRJ1007 Bus Cables 0.70 m
B2BCRJ1010 Bus Cables 1.00 m
B2BCRJ1015 Bus Cables 1,50 m
B2BCRJ1030 Bus Cables 3,00 m
B2BCRJ1050 Bus Cables 5,00 m
B2BCRJ10100 Bus Cables 10,0 m
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Measurement cables
Composition: Double cables for impedance
measurement with precision internal fuse.
BC5-015M6 Length 15 cm Terminal M6
BC5-025M8 Length 25 cm Terminal M8
BC5-040M6 Length 40 cm Terminal M6
BC5-040M8 Length 40 cm Terminal M8
BC5-040M10 Length 40 cm Terminal M10
BC5-040M12 Length 40 cm Terminal M12
BC5-100MO Length 100 cm
BC5-200MO Length 200 cm
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Av. Eng. Alberto de Zagottis, 760 - 04675-085 - São Paulo - SP
Phone.: (11) 5696-5000 - Fax: (11) 5696-5055
www.cmcomandos.com.br
DOS L
I
ISO
9001
2008
RES
Audited
Sustainability System
AN
EA
CM COMANDOS LINEARES
M
N
CM CO
n
We encourage recycling
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Central BACS Webmanager Budget IV
Function: Controls the C20 and C40 modules and has
interfaces for remote management.
Processor: ARM Cortex A8 800Mhz 512 MB
memory to store the history of batteries.
Memory: Flash stores up to 12 months according to
the number of batteries.
Module consumption: 5mA per battery module
Qty modules: up to 160 modules with default adapter
adapte with optional 1500 mA up to 330 modules
RTC: Real Time Clock and Internal Watchdog
Internal Bus Converter: it performs galvanic isolation
between Central Web Manager and Battery Modules.
Interfaces:
• 3 Serial ports RS232
• 2 Ports RJ12 - Communication Bus
• 1 Porta RJ45 10/100 Mbit - Ethernet
• 1 Contact Port Dry Alarm - max 24VDC-1A
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CM.MKT 109.1 Rev.4 - Specifications are subject to change without notice.
Battery Module BACS
Interfaces: 2-Port RJ12 Bus Cables - Internal RS232
Signs: red and green status LED
Command: Push bottom for addressing
Temperature Sensor: Internal - External optional
Enclosure: ABS Certified UL flame retardant
Sizes: 55 x 80 x 24 mm - 45 gr
Environment: sheltered, IP-42, 0 - 60° C, max relative
humidity 90% non-condensing.
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