Table of Contents
Advertisement
Make sure to have the D+ & D- plug into the combiner box properly.
Wiring diagram of master/slave communication cable
The communication for master/slave string connection shall use a 8pin pin-pin RJ45
cable, connecting from first BMS Link 1 to second BMS Link 0, then from second BMS
Link 1 to third BMS link 0(if has), all the way to the last BMS Link 0. The BMS with Link
Port 0 EMPTY is defined as the Master string, which further communication with the
inverter or upper controller.
The slave strings` CAN/RS485 Port is ineffective in this case.
31
Advertisement
Table of Contents
