JTT Line of Controllers

1. JTT Product
Portfolio

2. Overview
Series System Voltage Balancing Additional Features Number of BMS
cells Link
Distributed: 1000V Active Safety HW Interlock, MCU CAN Node ID Up to 240 Yes
X-BCU and 1.5A or Auto-Assignment, Interface for optional
X X-MCUs Passive
250mA
heater/driver/IO boards, Cell Lifetime Data
Logging, Cell based SOC, Cap, ESR < 3%
error
Single 200V Passive Safety HW Interlock, Interface for optional Up to 48 Yes
Standalone 250mA heater/driver/IO boards, Cell Lifetime Data
S Controller Logging, Cell based SOC, Cap, ESR < 3%
error
Distributed: 1000V Passive System based SOC, < 5% error Up to 240 Yes
M X-BCU and
M-MCUs
250mA

3. X-BCU
• Battery Control Unit (Master Controller) for X
and M series module controllers
• 1000V, 240 Series Cells
• Three Safety Relay control with position
feedback
• Pre-charge circuit control
• Dual Range Automotive Current Sensor
• Isolated vehicle CAN communication
• Isolated CAN, power, and digital Interface to off-board DC
charger, or on-board charger
• Battery Isolation Monitoring
• Battery hardware interlock for crash sensor, tilt switch, manual
disconnect, etc.
• Optional Add-On Card communication and power for heaters,
fans, other IO

4. X-MCU PASSIVE
• 12 cell voltage pickups, 11
temperature pickups
• Cell Voltage and Temperature
Safety HW Interlock
• Passive Cell Balancing 250mA
• CAN Node ID Auto assignment
• Cell based SOC, Capacity, Resistance, < 3% error
• Continuous balancing during operation due to cell SOC based
• Cell Lifetime temperature and voltage data logging
• Cell serial number tracking, for troubleshooting and warranty

5. X-MCU ACTIVE
• 12 cell voltage pickups, 12
temperature pickups
• Cell Voltage and Temperature
Safety HW Interlock
• Active Cell Balancing 1.5A
• CAN Node ID Auto assignment
• Cell based SOC, Capacity, Resistance, < 3% error
• Continuous cell balancing during operation based on cell SOC
• Cell Lifetime temperature and voltage data logging
• Cell serial number tracking, for troubleshooting and warranty

6. S-Series
• Stand alone low
voltage controllers
(<200V)
• Monitor up to 48 Cells
• Safety HW Interlocks
• Monitor Voltage and temperature for each cell
• Passive Balancing 250mA
• Relay Control, Dual Range Automotive Current Sensor
• Isolated CAN, Isolated RS-232, CAN Diagnostic
• Additional Digital and Analog I/O
• Cell based SOC, Capacity, Resistance, < 3% error
• Continuous cell balancing during operation based on cell SOC
• Cell Lifetime temperature and voltage data logging
• Cell serial number tracking, for troubleshooting and warranty

7. M-Series MCU
• M Series monitor up to
48 cells
• Works with X-BCU
• Cost effective data
acquisition modules
• Small size, low profile
• Temperature pickup for every 3rd cell
• Passive balancing 250 mA
• System level SOC calculation
• Power and Isolated CAN in and out for simple wire harness

8. ACCESSORIES
• LCD, Relays, Current Sensor, Wire Harness, Temperature
Sensors

9. System Integration
• Communicate with and control off-board DC
chargers, and on-board chargers.
• Compatible with standard motor controllers for
CAN and digital communication.
• Can use any customers proprietary HCU CAN or
RS-232 communication protocol

10. BMS LINK
• Monitor and Diagnose problems in the Battery Pack from your PC or
Laptop in real time.
• BMS Link is compatible with all JTT BMS products
• The most comprehensive, battery integrated monitoring, logging and
control software
• Windows (XP, 7)
• Multi-page layout for displaying battery data in numerical and
graphical form.
• Cell voltages, temperatures, SOC, SOH, cell DCRs, balancing status,
alarm status, battery voltage, battery current, and more available in
real time.
• Service Mode available for additional data, and forcing all battery
components such as fans, heaters, relays, cell balancing on and off.
• Controller identification by serial number and firmware version.
• Cell identification and tracking by serial number and cell lifetime data
for warranty and troubleshooting.
• Record, save, and analyze data log files
• Updates with all cell and battery pack information every 100ms
• Alarm status information for all controllers within the battery