V-BMS MASTER MODULE
Up To 420V & up to 3000A
V-BMS Master module monitors battery current with shunt resistor & hall sensor and controls connection to the charger & load over 2 separate paths via internal MOSFET’s. It also serves as a master module for the battery management system; sharing & gathering data to/from slave modules and evaluating warnings & alarms.
- Connection with Bluetooth and Wireless
- Supports up to 200 BMS Modules & up to 16 parallel strings
- Fully programmable CANBus interface & charger control functions
- Fully plug & play; detects connected modules, number of cells, number of sensors, number of strings and string shunts
- Monitoring and control the systemwith RS-485, USB, Wi-Fi and Bluetooth
- All module configuration can be managed using cross-platform V-BMS software.
TECHNICAL DATA
| Parameters | Comments | Minimum | Typical | Maximum | Unit |
| Supply Voltage | 18 | - | 420 | V | |
| Battery Voltage | 0 | - | 420 | V | |
| Maximum Battery Current | -3200 | - | 3200 | A | |
| Current Mesurement Resolution | 12 | Bits | |||
| Current Measurement Error | -1 | - | 1 | % | |
| Temperature Sensors | 2 | ||||
| Charge Port Precharge Time | 1 | - | 30 | Seconds | |
| Charge Port Hiccup Time | 1 | - | 30 | Seconds | |
| Load Port Precharge Time | 1 | - | 30 | Seconds | |
| Load Port Hiccup Time | 1 | 30 | Seconds | ||
| Total Contactor Drive Power | 30 | Watts | |||
| Contactor/Relay Output Voltage | 24 | V | |||
| MODBus baudrate | 9600 | - | 115200 | Bps | |
| CANBus baudrate | 125 | - | 1000 | ||
| Number of CANBus messages | - | - | 8 | ||
| USB baudrate | 9600 | - | 115200 | Bps | |
| Bluetooth baudrate | 38400 | Bps | |||
| Sleep Mode Power Consumption | - | - | 2 | W | |
| Operational Power Consumption | - | 7 | 40 | W | |
| Operational Temperature Range | -40 | - | +50 | C | |
| Humidity Level | 0 | - | 95 | %Rh | |
| Altitude | 6000 | m | |||
| Weight | Including Case | 375 | gr | ||
| Functional Features | Battery current measurement using either external shunt or hall sensor wirth voltage output (5VDC hall power) | ||||
| Separate contactor and precharge relay drive outputs with 24 VDC 15 Watt output per contactor & 24 VDC 5 Watt output per relay | |||||
| Automatic module addressing, serial cell / parallel string detection (up to 200 modules / up to 16 parallel strings) | |||||
| Automatic module detection, hard power control for slave modules | |||||
| Serial over Bluetooth connectivity with MODBus RTU protocol | |||||
| Wi-Fi connectivity with MODBus TCP protocol, max. 8 simultaneous connection | |||||
| Fully programmable CANBus baudrate (125/250/500/1000 kbit/sec) | |||||
| Up to 4 information/control message with programmable period, length and 16 bit fields | |||||
| Charger Start/Stop/Pause/Resume messages with programmable length and 16 bit fields | |||||
| Available CANBus fields; Battery voltage, Battery Current, Max. Charging Voltage, Max. Charging Current, Charging Current Percentage, Minimum Cell Voltage, Maximum Cell Voltage, Minimum Cell Temperature, Maximum Cell Temperature | |||||
| Selectable scale / programmable offset for battery/charging voltage, battery/charging current, percentage fields | |||||
| Charger Detection over CANBus | |||||
| Configurable MODBus port; 9600/19200/38400/57600/115200 bps, 8 data bits, 2 Stop bits or Odd/Even Parity with 1 Stop bit | |||||
| Supported MODBus commands; Read Input Registers, Read Holding Registers, Write Single/Multiple Registers | |||||
| Password protection for Holding (Configuration) Registers | |||||
| Fully configurable over MODBus slave port | |||||
| Periodic data sharing/gathering to/from slave modules, warning & alarm control, balancing control | |||||
| Port control with single function button | |||||
| Safety Features | Programmable load current warning & alarm levels | ||||
| Programmable charge current warning & alarm levels | |||||
| Module high temperature protection | |||||
| Communication timeout/error protection | |||||
| ALARM output for critical errors | |||||
