Battery Management System (BMS) Trainer | RVX 121
The Battery Management System (BMS) Trainer RVX 121 studies lithium-ion battery management systems with dual testing capability. This BMS trainer features 15-channel lithium battery emulator (1.2-4.9V per cell, 2mV accuracy), 48V 6Ah real lithium battery, 1kW battery discharger (0-20A constant current), and protection board test system (over-charge, over-discharge, short-circuit, balancing). Hot air gun tests temperature sensors, and loop resistance measurement analyzes circuit quality. PC software and Bluetooth app provide real-time monitoring.
The Battery Management System (BMS) Trainer RVX 121 is an educational apparatus for studying and testing lithium-ion battery management systems. This BMS trainer features BMS board with PC software and Bluetooth app, lithium battery emulator with individual cell voltage control, 48V lithium battery, battery discharger, and protection board test equipment for comprehensive battery management system training.
Product Overview
The RVX 121 battery management system trainer comprises BMS board supporting 15-cell 48V lithium systems with PC-based software and mobile Bluetooth app for system monitoring. Lithium battery emulator board provides 15 voltage channels (1.2V to 4.9V per cell) with 2mV accuracy and 1000mA per channel output for safe BMS testing without live battery risk. Real 48V 6Ah lithium iron phosphate battery provides actual battery testing capability with four integrated temperature sensors. Battery discharger unit rated 1kW enables constant current discharge testing with 0-20A range, ±0.2% precision, and real-time data logging at 2-second intervals up to 999 hours. Hot air gun with temperature probe (100-480°C adjustable) tests temperature sensor functionality. Protection board test system performs precise and quick testing of over-charge, over-discharge, short-circuit, and cell balancing protection functions. Quick test mode enables rapid production testing. Precise test mode provides 5mV voltage accuracy for development and debugging. High-current module supports 120A testing with 0.1A accuracy. Short-circuit module uses super-capacitor to instantly replicate battery voltage conditions. Individual cell self-consumption testing supports 1-16 cell strings. Loop resistance measurement (0-500mΩ) tests internal battery protection circuit quality.
Battery Management System (BMS) Trainer RVX 121 — Technical Specifications
| Parameter | Value |
|---|---|
| BMS Board Cell Count | 15 cells (48V) |
| Lithium Battery Emulator Channels | 15 voltage channels |
| Emulator Voltage Range | 1.2V to 4.9V per cell |
| Emulator Voltage Accuracy | 2mV |
| Emulator Current per Channel | 1000mA |
| Emulator Voltage Isolation | 1.5KVA |
| Real Lithium Battery | 48V, 6Ah, LFP type |
| Battery Temperature Sensors | 4 units integrated |
| Battery Discharger Power Rating | 1kW |
| Discharger Voltage Range | 0 to 100V |
| Discharger Current Range | 0 to 20A |
| Discharger Voltage Accuracy | ±0.2% of reading |
| Discharger Current Accuracy | ±0.2% of reading |
| Discharger Capacity Accuracy | ±1% |
| Discharge Timing Range | 0 to 999 hours |
| Data Logging Interval | 2 seconds minimum |
| Hot Air Gun Temperature Range | 100°C to 480°C |
| Protection Board Test Voltage Range | 0.5V to 5V |
| Protection Board Voltage Accuracy | ±5mV |
| Protection Board Current Range | 1A to 120A |
| Protection Board Current Accuracy | ±0.1A |
| Cell Balance Current Range | 0 to 1000mA |
| Loop Resistance Range | 0 to 500mΩ |
| Short-Circuit Detection | 0 to 9999 microseconds |
| Test Strings Supported | 1 to 16 strings |
| Temperature Sensor Test | Hot air gun capability |
| Data Acquisition | USB interface |
Technical Data
BMS Board:
- 15-cell 48V lithium battery management
- PC-based software control
- Mobile Bluetooth app interface
- Cell terminal connections
- Temperature sensor inputs
Lithium Battery Emulator:
- 15 voltage channels
- Supply: 12V, 6A
- Variable voltage per cell: 1.2V to 4.9V
- Output current: 1000mA per channel
- Voltage accuracy: 2mV
- Voltage isolation: 1.5KVA
- Digital increment/decrement control
Real Lithium Battery:
- Capacity: 48V, 6Ah
- Type: Lithium iron phosphate (LFP)
- Cell count: 15 cells
- Temperature sensors: 4 units
- All cell connections terminated for BMS interface
Battery Discharger Unit:
- Power rating: 1kW maximum
- Input power: AC 220V +10%, 50Hz
- Voltage measurement range: 0 to 100V
- Voltage precision: ±(0.2% reading + 0.2% range)
- Discharge current range: 0 to 20A
- Current precision: ±(0.2% reading + 0.2% range)
- Capacity precision: ±1%
- Discharge mode: Constant current
- Timing range: 0 to 999 hours per step
- Data logging interval: 2 seconds minimum
- Inspection time: Real-time display
Protection Board Test System:
- Quick test mode for rapid testing
- Precise test mode with 5mV accuracy
- Over-charge protection testing
- Over-discharge protection testing
- Short-circuit protection testing
- Cell balancing function testing
- Over-voltage/under-voltage protection
- Delay time testing (1-20 seconds)
- Single cell self-consumption (0-500μA)
- Total self-consumption measurement
- Equalization current and voltage testing
- Loop resistance measurement (0-500mΩ)
- High-current module: 1-120A range, 0.1A accuracy
- Voltage module: 0.5-5V programmable output
- Short-circuit module: Super-capacitor instant voltage replication
- Test string support: 1 to 16 strings
Hot Air Gun:
- Temperature range: 100°C to 480°C
- Adjustable blower speed
- Digital temperature setting
- Digital fan speed control
- 7-segment display
- Temperature probe included
Key Features
- Dual Battery Testing: Battery management system trainer supports both lithium battery emulator for safe development and real 48V lithium battery for actual testing
- Safe Emulation Testing: 15-channel lithium battery emulator enables BMS software development and firmware optimization without live battery risk
- Comprehensive Protection Testing: Quick and precise test modes evaluate over-charge, over-discharge, short-circuit, and cell balancing protection functions
- High-Current Capability: 120A maximum current testing with 0.1A accuracy enables high-power battery pack protection testing
- Individual Cell Testing: 1 to 16 cell string support with individual self-consumption measurement (0-500μA) for cell-level analysis
- Loop Resistance Analysis: Precise measurement (0-500mΩ ±1mΩ) evaluates battery protection circuit internal resistance
- Short-Circuit Detection: Super-capacitor short-circuit module instantly replicates battery voltage for accurate protection response timing (0-9999 microseconds)
- Temperature Validation: Hot air gun (100-480°C) with adjustable speed tests BMS temperature sensor accuracy and thermal protection thresholds
- Real-Time Data Logging: Battery discharger captures discharge curves at 2-second intervals up to 999 hours for capacity and performance analysis
- Multi-String Testing: Support for 1-16 cell strings accommodates various battery pack configurations and modular testing requirements
Experiments
- BMS board software and firmware testing
- Lithium battery emulator operation and configuration
- Over-charge protection threshold testing
- Over-discharge protection threshold testing
- Short-circuit protection response testing
- Cell balancing function and equalization current analysis
- Over-voltage and under-voltage protection testing
- Protection delay time measurement and tuning
- Single cell self-consumption analysis
- Total protection board self-consumption measurement
- Loop resistance and internal circuit quality testing
- Temperature sensor functionality and threshold testing
- Hot air gun temperature simulation for thermal protection
- Constant current discharge testing and curve recording
- Battery capacity measurement and degradation tracking
- Multi-string protection board comparison testing
- Quick production testing procedures
- Precise development and debugging procedures
- Bluetooth app monitoring and control
- Real-time BMS performance visualization
- Protection board failure mode analysis
Construction and Design
The Battery Management System (BMS) Trainer RVX 121 integrates BMS board with 15-cell capacity and PC software interface supporting Bluetooth mobile app connectivity. Lithium battery emulator with 15 independent voltage channels (1.2-4.9V range, 2mV accuracy) enables safe firmware development and testing. Real 48V 6Ah lithium iron phosphate battery with four temperature sensors provides production-representative testing. Battery discharger unit (1kW rated) enables constant current discharge testing with precise voltage and current measurement (±0.2% accuracy) and real-time data logging at 2-second intervals. Protection board test system with dual-mode operation (quick and precise) evaluates all major protection functions including over-charge, over-discharge, short-circuit, and cell balancing. High-current module (120A, 0.1A accuracy), voltage module (0.5-5V ±5mV), and short-circuit module (super-capacitor replication) provide comprehensive testing capability. Hot air gun (100-480°C adjustable) with digital controls tests temperature sensor response. Loop resistance measurement (0-500mΩ ±1mΩ) analyzes protection circuit quality. Support for 1-16 cell strings accommodates various battery configurations. All test equipment includes real-time display and USB data acquisition for comprehensive documentation.
Software
PC-based BMS software with mobile Bluetooth app interface for real-time monitoring and control. DAQ software in National Instruments LABVIEW environment (optional) for automated data acquisition and analysis. Windows operating system compatible.
Scope of Delivery
- 1 BMS board (15-cell, 48V with PC software and Bluetooth app)
- 1 Lithium battery emulator board (15-channel voltage control)
- 1 Real 48V 6Ah lithium iron phosphate battery with temperature sensors
- 1 Battery discharger unit (1kW, 0-20A constant current)
- 1 Protection board test system (quick and precise test modes)
- 1 Hot air gun with temperature probe (100-480°C)
- 1 Complete cable and termination set
- 1 Instruction manual
Q: Why does the Battery Management System (BMS) Trainer RVX 121 include both battery emulator and real battery?
A: Lithium battery emulator enables safe BMS software development without live battery risk. Real 48V lithium battery provides production-representative testing after firmware optimization. Together they enable comprehensive development and validation workflows.
Q: What protection functions does the Battery Management System (BMS) Trainer RVX 121 test?
A: Protection board test system evaluates over-charge, over-discharge, short-circuit, cell balancing, over-voltage, under-voltage, and self-consumption functions. Delay time testing and loop resistance measurement assess protection circuit quality.
Q: How accurate is the Battery Management System (BMS) Trainer RVX 121 voltage and current measurement?
A: Battery discharger achieves ±0.2% accuracy for both voltage and current measurement. Protection board test system provides ±5mV voltage and ±0.1A current accuracy, with 5mV precision in development testing mode.
Q: Can the Battery Management System (BMS) Trainer RVX 121 test different battery pack configurations?
A: Yes. Protection board test system supports 1 to 16 cell string testing. Individual cell self-consumption measurement and balancing current analysis enable configuration-specific analysis.
Q: How does the Battery Management System (BMS) Trainer RVX 121 validate temperature sensors?
A: Hot air gun with adjustable temperature (100-480°C) and fan speed enables thermal protection threshold testing. Temperature sensors validate BMS response to thermal conditions without battery heating risk.
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