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Wireless Battery Monitoring System
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Personal Greeting

The CELLGUARD™ Wireless Battery Monitoring System (BMS) provides an accurate and reliable indication of battery state-of-health through monitoring and analysis of battery voltage, temperature, and conductance. 

ENSURE UPTIME WITH ADVANCED 24/7 REMOTE MONITORING

Get remote access to the information you need to proactively maintain your stationary power systems and avoid costly downtime. With solid noise immunity, the CELLGUARD™ Wireless Battery Monitoring System is suited for applications including power utilities, data centers, telecommunications systems, and DC systems with filtered AC electrical ripple.

WIRELESS COMMUNICATION

Installation cost and time are reduced with the system’s wireless communication capabilities which enable all hardware to communicate to the Base controller free of cabling.

ACCURATE CONDUCTANCE MONITORING

Conductance-based monitoring technology provides the most accurate, efficient, and non-invasive method possible for monitoring a battery’s state-of-health.

ADVANCED HARDWARE

Comprised of a Base Coordinator Unit (BCU) and single-battery sensor modules, the system provides both visual and digital battery state-of-health and is capable of monitoring up to 16 battery strings, up to 300 sensors per string, and up to 600 sensors per BCU (irrespective of how they are divided by strings).

CUTTING-EDGE WEB INTERFACE

The highly intuitive CONVERGE™ web interface enables rapid, confident installation, remote system monitoring, alarm threshold configuration, rock-solid reporting (including granular discharge data gathering), and critical over-the-air sensor firmware updates.

ADVANCED HARDWARE

The CELLGUARD™ Wireless Battery Monitoring System is capable of monitoring up to 16 battery strings, with 300 batteries per string, and supports up to 600 sensors per BCU.

BATTERY SENSOR MODULE

Connects to and is powered from the monitored battery, minimizing wiring, installation costs and maintenance. Monitoring capabilities include conductance, voltage, strap resistance and temperature for each mono-block/cell /jar. Compatible with VRLA and VLA batteries.

BASE COORDINATOR UNIT

Manages battery sensor test activities, collects test data and communicates to Converge web interface via TCIP/IP, and is powered by the battery string voltage converter via battery string power. Supports MODBUS TCP/IP to integrate with building infrastructure.

VISUAL STATE-OF-HEALTH

Battery state-of-health is provided at the hardware level.  Each sensor has three modes of LED notification to display the batteries current status, allowing personnel to quickly pinpoint batteries that require attention.

BLINKING GREEN

Indicates no issues with the battery.

BLINKING YELLOW

Indicates a warning that the battery readings are out of warning limits.

BLINKING RED

Indicates an alarm that the battery readings are out of alarm limits.

CUTTING-EDGE WEB INTERFACE

The CONVERGE™ Web Interface that comes standard with all CELLGUARD™ Wireless Battery Monitoring Systems allows personnel to configure, update, and monitor an entire network remotely.

VIEW INTERACTIVE DEMO

STRING & BATTERY STATUS

Get a complete state-of-health assessment of each battery and string with real-time access to battery voltage, temperature, conductance, and inter-cell connection resistance.

OVERVIEW

Get a quick and concise visual overview of alarms and warnings for every battery in your system.

CONFIGURATION

Two-way communication inside your network allows for remote configuration, setup, changes, and firmware updates. This eliminates the need to roll a truck to a site which can be costly and time consuming. Configurations can be downloaded and saved or used to program additional sites with similar configurations.

TOOLS

Remotely update the BCU and sensor firmware, configure Modbus, force manual voltage, temperature, and conductance tests and perform a system reset.

SPECIFICATIONS

BASE COORDINATOR UNIT (BCU)

Specifications

Component Specification
Battery Strings 1-16
Batteries per String 1-300
Battery Voltage Test Interval Range 1 – 24 hrs
Battery Conductance Test Interval Range 1 – 30 days
Power Input 9-12VDC @ 800mA
Operating Temperature 0°C - 65°C
Storage Temperature -10°C - 80°C
Processor Quad Core @ 1250MHz
RAM 1Gb SDRAM @ 400Mhz
Storage 16GB micro SD card
4 X USB Type A 2.0
UART Baud Rate: 57.6Kbps; Data Bits: 8; Parity Bit: None; Stop Bit: 1
Ethernet RJ45; 10/100Mbps; Auto-Negotiate; 802.3 Compliant
Analog Alarm Input 0.2-10 V differential
Binary Alarm Input Dry Contact
Major/Minor Alarm Output Form C Relay 110 VDC 125 VAC max
Wireless RF Radio Band 802.15.4 compliant; 2.4 GHz @ 8mW (6.3dBm)
Modbus Ethernet TCP/IP UDP
Regulatory Compliance FCC, CE, RoHS, IEEE
Physical Dimensions

L:7.80in, W:4.47in, H:1.44in

Capabilities

  • Supports up to 16 strings with 300 batteries per string
  • Supports up to 600 sensors per BCU (irrespective of how they are divided by strings)
  • Examples of BCU String Configurations:
    • If 60 cells per string, then the max is 10 strings (60 x 10 = 600)
    • If 4 batteries per string, then the max is 16 strings (4 x 16 = 64)
    • If 24 cells per string, then the max is 16 strings (24 x 16 = 384)
    • If 240 cells per string, then the max is 2 strings (240 x 2 = 480)
  • Network communications
  • DNP3 Communications
  • Embedded Internal Web Server
  • Field upgradable software
  • Two ambient temperature sensors
  • String voltage capture (Sum of Batteries)
  • Discharge data collection and reporting
  • Remote network configuration
  • Field hardware commissioning
  • External Alarm Dry Contacts – Utilized with ELS System
  • Capture string and battery data, reports to CELLTRAQ™ Battery Management Software at scheduled frequency

WIRELESS BATTERY SENSOR

Specifications

Component Specification
Wireless RF Radio Band 802.15.4 compliant; 2.4 GHz @ 8mW (6.3dBm)
Wireless RF Range 0 - 30m
Operating Temperature 0°C - 65°C
Storage Temperature -10°C - 80°C
Test Current Draw 1100 – 4500 mA depending on Battery Float Voltage
Regulatory Compliance FCC, CE, RoHS, IEEE
Voltage Resolution 1mV
Conductance Resolution 1℧
Physical Dimensions

2.63in L, 2.64 in W, 1.06 in H

Capabilities

  • One sensor per cell/jar
  • 2V, 6V, 8V, 12V
  • Sensors capture voltage, temperature, & conductance
  • Strap Resistance monitoring
  • Mesh routing communication
  • Quick, fully hot swappable sensor and/or wiring harness
  • Field upgradable firmware
  • Compatible with VRLA and VLA batteries
  • Patented conductance technology
  • Non-Invasive to the battery
  • Accurate battery state-of-health results
  • Wireless system, minimizes wiring, installation costs & maintenance

Measurement & Accuracy

  VOLTAGE   CONDUCTANCE   TEMP @ NEGATIVE POST   RESISTANCE   IDLE CURRENT
Model Measured
Range		 Accuracy Meas. Range
Per Cell		 Accuracy Measured
Range		 Accuracy Measured
Range		 Accuracy Measured
Range
CGS3-02V M(XX) 1.75 - 2.50 VDC +/- 20mV 100 - 15,000 ℧ +/- 3% -10°C - +65°C +/- 2°C N/A N/A 70 - 80mA
CGS3-12V M(XX) 10.50 - 15.0 VDC +/- 20mV 100 - 4,200 ℧ +/- 3% -10°C - +65°C +/- 2°C N/A N/A 50 - 60mA
CGS3-100-2V 1.75 - 2.50 VDC +/- 20mV 100 - 15,000 ℧ +/- 3% -10°C - +65°C +/- 2°C 2 - 1,000 μΩ +/- 20 μΩ 70 - 80mA
CGS3-100-06V-12V 6.50 - 14.50VDC +/- 20mV 100 - 4,200 ℧ +/- 3% -10°C - +65°C +/- 2°C 2 - 1,000 μΩ +/- 20 μΩ 50 - 60mA

VOLTAGE, TEMPERATURE, CURRENT (VTC) UNIT

Specifications

Component Specification
Wireless RF Radio Band 802.15.4 compliant; 2.4 GHz @ 8mW (6.3dBm)
Operating Temperature 0°C - 65°C
Storage Temperature -10°C - 80°C
Regulatory Compliance FCC, CE, RoHS, IEEE
Voltage Resolution 1mV
Physical Dimensions

L:4.00in, W:2.50in, H:1.09in
Wireless RF range

0 - 30m
Resolution

1A

Capabilities

  • String current & ripple current monitoring
  • Measurements include voltage, current, ripple current, and temperature
  • Compatible with battery string configurations commonly found in telecommunications, power utility, and UPS applications between 18-480VDC nominal
  • Powered by the battery string, eliminating the need for an external power source

Measurement & Accuracy

Model Voltage Input Accuracy Current Range Accuracy of
Current Input		 Discharge
Current		 Ripple Current
Accuracy
CGVTC2-60 20 - 70 VDC +/- 3% 5 - 200 A +/- 3% +/- 2A -5 - -400 A 3%
CGVTC2-300 90 - 300 VDC +/- 3% 5 - 200 A +/- 3% +/- 2A -5 - -400 A 3%
CGVTC2-600 300 - 600 VDC +/- 3% 5 - 200 A +/- 3% +/- 2A -5 - -400 A 3%

BCU AC WALL WART POWER ADAPTER

Specifications

Component Specification
Input Voltage Rating 100 - 240 Vac, 50 - 60 Hz
Output Voltage 9 Vdc
Output Current 0.8A
No Load Power (stand by) <100mW
Power Efficiency >80.01%
Temperature Range 0 to +40° C at full load
ETL 60950 1
EMI standard FCC part 15 class B

Capabilities

  • Over voltage and short circuit protected

TELCO DC-DC CONVERTER

Specifications

Component Specification
Input Voltage Range 24 - 65 Vdc
Output Voltage 12 Vdc +/-1% Load Regulation
Output Power 10 Watts Max
Isolation Voltage Input to output for 1 minute 1500 Vac
Power Efficiency 86% Typical
Temperature Range -40 to 85° C
Safety and Protections Fused String Power Cable assembly
Dimensions 3.972 in L x .876 in H x 0.6 in W

 

UTILITY/UPS DC-DC CONVERTER

Specifications

Component Specification
Input Voltage Range 100~1000 Vdc
Output Voltage 12 Vdc
Output Power 10 Watts Max
Isolation Voltage Input to output for 1 minute 4000 Vac
Power Efficiency 77% Typical
Operating Temperature -40 to 70° C
Safety and Protections Fused String Power Cable assembly
Dimensions

3.783 in L x 2.126 in Hx 1.441 in W

 

SOLID CORE CURRENT TRANSDUCER

Specifications

  • Solid-Core Closed Loop Hall Effect current sensor
Component Specification
Overall accuracy at 25C 0.5%
Primary through hole 1.57 in (40 mm) diameter

SPLIT CORE CURRENT TRANSDUCER

Specifications

  • Split-Core Closed Loop Hall Effect current sensor
Component Specification
Overall accuracy at 25C 2.5%
Primary through hole 4.09 in x 1.57” (104 mm x 40 mm)

BASE COORDINATOR UNIT (BCU)

Model Description
CGBC-350 CELLGUARD™ Wireless Base Coordinator Unit with Webserver And Modbus
  • 1x for up to 16 strings, open racks same room. Or 1x Per enclosed cabinet needed.

SENSORS WITH STRAP RESISTANCE

Model Description
CGS3-100-02V CELLGUARD™ Wireless Sensor, 2 Volt
CGS3-100-06V-12V CELLGUARD™ Wireless Sensor, 6-12 Volt
  • 1x per jar/cell
  • Includes (1) sensor, (1) wire harness (2) 4-tabbed terminals

CELLGUARD™ WIRELESS SYSTEM WITHOUT STRAP RESISTANCE

Typical of Telecommunications Applications

BASE COORDINATOR UNIT (BCU)

Model Description
CGBC-300 CELLGUARD™ Wireless Base Coordinator Unit
CGBC-350 CELLGUARD™ Wireless Base Coordinator Unit with Webserver And Modbus
  • For CGBC-300 1x for up to 10 strings, open racks same room. Or 1 per enclosed cabinet needed.
  • For CGBC-350 1x for up to 16 strings, open racks same room. Or, 1 per enclosed cabinet is needed.

SENSORS WITHOUT STRAP RESISTANCE

Model Description
CGS3-02V M6 CELLGUARD™ Wireless Sensor, 2 Volt, M6 terminals
CGS3-02V M8 CELLGUARD™ Wireless Sensor, 2 Volt, M8 terminals
CGS3-02V M10 CELLGUARD™ Wireless Sensor, 2 Volt, M10 terminals
CGS3-12V M6 CELLGUARD™ Wireless Sensor, 12 Volt, M6 terminals
CGS3-12V M8 CELLGUARD™ Wireless Sensor, 12 Volt, M8 terminals
CGS3-12V M10 CELLGUARD™ Wireless Sensor, 12 Volt, M10 terminals
  • 1x per jar/cell, includes(1) sensor, (1) wire harness (2) 2-tabbed terminals.

CELLGUARD™ WIRELESS SYSTEM ACCESSORIES

BCU POWER SUPPLY OPTIONS

Model Description
C103 AC Wall Wart Power Adapter
CGBC-DC 60 DC-DC Converter (24 V - 65 V)
CGBC-DC-1000 DC-DC Converter, Input (120 V - 1000 V)
  • 1x per BCU

STRING VOLTAGE, TEMPERATURE & CURRENT MEASUREMENT

Model Description
CGVTC2-60 LCT Volt/Temp/Current 18-72V LCT Split Core Transducer 750 MCM Cables Or Larger
CGVTC2-300 LCT Volt/Temp/Current 90-300V LCT Split Core Transducer 750 MCM Cables Or Larger
CGVTC2-600 LCT Volt/Temp/Current 300-600 V LCT Split Core Transducer 750 MCM Cables Or Larger

 

Model Description
CGVTC2-60 Volt/Temp/Current 18-72V Solid Core Transducer 500 MCM Cables or Smaller
CGVTC2-300 Volt/Temp/Current 90-300V LCT Solid Core Transducer 750 MCM Cables Or Larger
CGVTC2-600 Volt/Temp/Current 300-600V Solid Core Transducer 500 MCM Cables or Smaller