B-Box Professional installation guidance
2 Cabinet terminal introduction
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⑤
③
④
⑥
②
⑧
⑨
⑩
Terminal list
No.
Interface
Mark
Function
B+
/
Connect to battery in cabinet, each terminal can connect 1~2 battery
B-
/
Connect to battery in cabinet
P+
/
Connect to inverter
P-
/
Connect to inverter
P+
/
Connect to another B-BOX or Combiner box
P-
/
Connect to another B-BOX or Combiner box
Grounded
Connect the grounded cable from battery.
CAN port
CAN
Connect to inverter CAN port.
RS485
Update and maintenance
Dry contact
Dry contact application, output alarm info.
Run led
Run
Indicate the Plus is running status
6
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