Connection for communication

Establish communication between inverter and battery.

Meaning

PIN assignment on battery

PIN assignment on inverter

Cable

+12 V

2

1

min. Cat.7
AWG23-19
Twisted pair
max. Ø 7.5 mm
max. 10 m

GND

6

6

RS485 B

7

4

RS485 A

8

5

The table shows the RJ45 pin assignment and the assignment at the INV connection on the battery’s BMS. Use the table and the installation instructions for the inverter used to check the assignment and adjust the assignment order to establish the communication connection.