BYD B-Box H, Руководство по установке, Страница: 7 / 23

B-Box H Installation Guidance
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Definition of BCU Functional Interfaces
No. Interface Name Description
1 P+
The system anode, connected to the anode of
battery interface of inverter.
2 P-
The system cathode, connected to the cathode
of battery interface of inverter.
3 GND Grounding terminal, connected to the ground.
4 Ethernet
Connected to the Ethernet, to complete the
functions of communication and remote
program update.
5
Inverter
communication
Contain RS485, CAN, and enable signals,
outputting 13V power.
6 System switch
The main switch of system, which can be
operated manually and has short circuit
protection function.
Position Designation
A
Air switch waterproof cover
B System switch
A
B