54
Battery System PE connection
Battery earth cables connection
Battery(Sub Master BMS)<-->Inverter Power and COM Cables Customization
Please use standard earth connection cables from
standard accessories to connect together Sub-
Master BMS to battery array in series, and then
connect to earth point in distribution box from
Sub-Master BMS.
Battery #1
Sub-Master BMS
Battery #2
Battery #5
Battery #4
Battery #3
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
B+
Down
up
B-
Distribution
Box
Battery com
Battery Input
Battery Input
Inverter
Inverter COM.
DC ISOLATOR
Service COM.
Inverter
OFF OFF
Power Cable connection
Communication Cable connection
Please use the Mc4 connectors in both inverter and battery standard accessories package with
proper length cables to make two cables(-/-) and (+/+) to plug in:
Sub-Master BMS POWER OUT+<---->Inverter BAT+
Sub-Master BMS POWER OUT-<---->Inverter BAT-
*In case of customized cables request onsite with different length and standard packed cables
cannot satisfy the demand, please follow here the instructions:
Please customize the COM cable(RJ45) in inverter accessory box according to below Rj45 pin
definition at Battery side.
Sub-Master BMS 6-12KW Inverter BMS
1
1
2
2
4
4
CAN-H
CAN-H
CAN-L
CAN-L
3
3
5
5
6
6
7
7
8
8
Inverter
B
B
BMS
1
2
3
4
5
6
7
8
