CELLGUARD™ Wireless-EN

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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.

Description

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 4GB 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)