Goodwe BCL9600 - GoodWe BCL9600 BMS Communication Setup; DIP Switch Calibration (Only for SECU-A5.4 L)

7
03 BMS ConnectionsUser Manual V1.2-2022-10-30
ON DIP ON DIP
......
The BMS (Battery Management System) communication for GoodWe SECU A5.4-20 or SECU
A5.4L battery is as follows:
3.1 DIP Switch Calibration (Only for SECU-A5.4L)
The DIP switches shall be congured dierently between single piece battery and multi battery
paralleling system.
03 BMS Connections
ON DIP
1* Pack System (5.4kWh)
Multi Pack System (at most 4 pack)
DIP Function Description
2 Terminal Resistance Switch To recognize the last battery connected to inverter.
3
GoodWe communication protocol
Switch
To realize the communication between inverter and
inverter unit part.
1 2 3 4 1 2 3 4
1 2 3 4
Battery 1
Battery 1-3 Battery 4
Battery 4