Arduino with BMS- and CAN-bus shield as BMS a master. - LTC6802-2 or LTC6803-2 based boards as cell-level boards. - CAN
OpenBMS connection with CAN
Low battery = more resistance
CAN-controlled charger CAN
Motor controller Pedal potentiometer input
Character LCD IFM automotive PLC CAN High current relays, I/O's etc. in IP54 case
Cabin heating
Master board
Optional low-cost display
BMS shield CAN shield
Battery heating
Arduino UNO
Current measurement LEM HTFS 200..800-P/SP2 series current transducer
EvUI display
Isolated SPI
CAN Graphical IP67 display for system data
Required Optional
OpenBMS connection proposal with CAN-bus Isolated SPI
Daughter board (LTC6802/3-2)
Daughter board (LTC6802/3-2)
- Arduino with BMS- and CAN-bus shield as BMS a master - LTC6802-2 or LTC6803-2 based boards as cell-level boards - CAN controlled Eltek Valere as a charger - CAN controlled automotive PLC as a robust I/O-device - Motor controller "low battery limit" via potentiometer
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
Cell
22.2.2012 / Henry Palonen /
[email protected]