B-BOX 12.8 installation guidance
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4.2 Terminal introduction
4.2.1 Cabinet internal terminal introduction
Table 1 Terminal compare list
No. Interface
Mark
Function
B+
/
Connect to battery in cabinet, each terminal can connect 1~2 battery
B-
/
Connect to battery in cabonet
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
CAN port
CAN
Connect to inverter CAN port.
RS485
Update sw
Dry contact
Dry contact application, output alarm info.
Run led
Run
Indicate the B-BOX running status
4.2.2 Cable outlet of cabinet
Figure 4 Top through-holes
Table 2 Compare list of through-holes:
No. Interface
Mark
Function
CAN
CAN
Pass the CAN communication cable
B+
B+
Pass the positive cable from another B-BOX
B+
B+
Pass the positive cable from inverter
B-
B-
Pass the negative cable from inverter
B-
B-
Pass the negative cable from another B-BOX
Figure 3 Terminals of B-BOX