Electrical Connection
ESS Inverter User Manual
29
c
4.6.1
BMS Connection (Only for Lithium Battery)
RJ45 Terminal Configuration of Battery Communication (BMS)
Pin 12345678
This manual describes the cable sequence of the inverter. For details about the cable sequence of the
battery, see the manual of the battery you used.
Refer to the following steps:
Unscrew the waterproof cover
and loosen the rubber nut on
waterproof cover.
2
1
3
1
Insert RJ45 terminal into corresponding port.
2
Screw the waterproof cover back to inverter firmly
with 4 x M4 screws(1.2N·m).
c
3
Install the seal into the threaded sleeve, fasten the
rubber nut.
Make the RJ45 terminal according to above function description of each Pin definition.
Lead the BMS cable through the rubber nut, seal and waterproof cover in turn.
Don’t cut off any
communication cables.
Threaded
sleeve
RJ45
BMS cable
terminals
Lithium
Inverter
Battery
side
Rubber nut
Press the BMS cable in the seal
Seal
Waterproof cover
via the side incisions.
PIN
5
6
7
8
Function
Description
GND_S
GND_S
CAN_L
CAN_H
PIN
1
2
3
4
Function
Description
RS485_ A
RS485_B
GND_S
GND_S