Franklin Grid CELLGUARD™ Wireless

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Description

Description

The Franklin Grid 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.

Specification

BASIC SETUP

1. Wireless Sensor

2. Base Coordinator Unit (BCU)

3. Voltage, Temperature Current (VTC) Unit

4. DC-DC Converter

5. Current Transducer

6. UNITE™ Web Interface

Wireless-BCU-Diagram.psd

BASE COORDINATOR UNIT (BCU) & WIRELESS BATTERY SENSOR

1. Wireless Antenna

2. Status LED (Red, Green, Blue)

3. Power LED

4. Alarm LED (Red, Green)

5. CPU Activity LED (Red, Green)

6. SD Card Slot

7. Ethernet

8. USB (4)

9. UART

10. Alarm In (Analog & Binary)

11. Alarm Out (Major, Minor, Ground)

12. Temperature Input

13. Power (9 VDC)

14. Status LED (Green, Yellow, Red)

15. Battery Sensor Cable Connector

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
  • SNMP and MQTT 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
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)

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