B-BOX 12.8 installation guidance
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4.2.3 BMS interface and terminal introduction
Figure 5 BMS overview
Figure 6 Display and communicate interface
Table 3 Display and communicate interface
No.
Interface
Mark
Function
①
B+
B+
Connect battery positive cable to power the BMS
②
B-
B-
Positive terminal of BMS
③
P-
P-
Negative terminal of BMS
④
SOC LED
SOC
Indicate State of capacity of battery
⑤
RUN LED
RUN
Indicate the Plus is running status
⑥
ERR LED
ERR ADDR
Indicate error status
⑦
Alarm LED
Alarm
Indicate alarm status
⑧
RJ45 terminal
RS232/RS485
Communication ports
⑨
Address
ADDR
When parallel connection, need setting address.
⑩
Reset
RESET
Activity battery when no external power add on battery.
⑩
③
①
②
④
⑤
⑥
⑦
⑩
⑨
⑧