Master control BAU—Battery stack management unit

Adopts first-line brand high-performance ARM chip, supports PCS communication national standard CAN protocol, has 3 Ethernet interface, 5 RS485,1 RS232, 3 CAN, 8 IO, supports SD card and PWM fan control, and manages up to 8 clusters of batteries. With high voltage control and insulation monitoring, accurate heap level SOX estimation, balanced management, multi-cluster parallel machine management, online diagnosis function, intelligent operation and maintenance, support for communication with air conditioning, fire protection and other moving ring equipment, and can expand the touch screen HMI, support to connect remote operation and maintenance management platform and firmware OTA upgrade, compatible with IEC104, Standard protocols such as Modbus/TCP.