12
2.4.5 RS485A&CAN (RJ45 Connector)
RS485A and CAN ports are configured to connect with inverter. Some inverter communicate
though RS485, and some of the inverter designed to communicate though CAN.
2.4.6 RS232 (RJ12 Connector)
RS232 (RJ12 Connector) Port are used for programming and retrieving information via PC
only and must be left open. The port and standard USB-RS232-RJ12 definition as below table.
2.4.7 RS485B&RS485C (RJ45 Connector)
When installing more than one battery in parallel, a standard RJ45 patch network cable will be
required for internal-battery communication. These cables will need to be connected to port
RS485B or RS485C between all the connected batteries. The ports are paralleled therefore any
port can be used for in or out connection.
BMS
RS485A
Port
RJ45 Connector
BMS
CAN
Port
RJ45 Connector
Pin No.
Definition
Definition
1
B
--
2
A
--
3
GND
--
4
--
CANH
5
--
CANL
6
--
--
7
--
GND
8
--
--
Definition
RS232 Connector(9Pin) RJ12 Port (6Pin)
Definition
PC Receive
Pin 2
Pin3
BMS Transmit
PC Transmit
Pin 3
Pin4
BMS Receive
GND
Pin 5
Pin5
GND
NC
NC
