SUNFLX SEI-8K-SP - CAN Port for BMS Communication; RS485 Port for Communication

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6.4、CAN port
The CAN port is used to connect to the
BMS of Liion battery .
6.5、RS485 port
The RS485 port is used to connect to the
BMS of Liion battery.
Pin4 and Pin5 are for CAN
RJ45
Definition
Pin 1
5V
Pin 2
GND
Pin 3
/
Pin 4
CANH
Pin 5
CANL
Pin 6
/
Pin7
RS485-A
Pin 8
RS485-B
RJ45
Definition
Pin 1
/
Pin 2
/
Pin 3
/
Pin 4
/
Pin 5
/
Pin 6
/
Pin7
CANH
Pin 8
CANL
If you need the inverter to communicate with the lithium battery
BMS, please contact us for the communication protocol or to
upgrade the inverter to the corresponding software program.
If you use a normal RJ45 network cable, please check the pin
assignment, pin 1 & pin 2 usually need to be cut off for normal use.