U-BMS Battery Management System
Valence has a family of battery management systems for use with U-Charge XP Energy Storage Solutions. The BMS’s provide many system integration options.
Features
- Battery system monitoring for status of state-of-charge, temperature, voltage and current
- A single U-BMS can manage up to 128 U-Charge XP battery modules
- CANbus communications for control and management
- Digital and analog I/O
- Battery-to-battery balance control
- Drive train pre-charge control
- Control of up to 4 contactors
- System ground isolation verification
- Sleep mode when Key Signal OFF
- Optional CANbus Data Monitoring and Logging kit available
- New Super High Voltage unit (Rev II models) offer field programmability, increased memory space for comprehensive logging and isolation capacity up to 700V.
| Specifications | ||
|---|---|---|
| Model | Part No | Max. Batteries in Series / Voltage Range |
| U-BMS-LV | 1004444 | 1 to 10 packs in series / 10V to 150V |
| U-BMS-HV | 1004441 | 10 to 30 packs in series 100V to 450V |
| U-BMS-SHV | 1004438 | 27 to 55 packs in series / 350V to 700V |
| Dimension incl. mounting tabs LxWxH | 188 x 148 x 42mm | |
| Weight | 0.55kg | |
| External communication | CAN 2.0b, 125, 250, 500 Kbit/s, standard frames | |
| Communications to battery modules | RS-485 w/Valence protocol | |
| External control signals | Control signal for line, pre-charge & charger contactors | |
| Monitoring parameters | State-of-charge, error codes, system pack balance | |