3. Cable connection steps
1
2
• BMS port connection
1. Pin definition for BMS
Item
Pin
Pin Definition
EXT_NTC
* The communication port on the lithium battery must be consistent with the definition of
pins 4, 5, 7 and 8 above.
2. For BMS cable making, please refer to the cable connection steps of the COM port. Then
insert the well connected cable into the BMS port of the inverter.
* Note: It is recommended that the BMS communication cables between the inverter and
the battery be no more than 3 meters.
72
Wire stripper
1
2
3
GND
GND
Crimping tool for RJ45
BMS
4
5
BMS_CANH BMS_CANL
1) White with orange stripes
2) Orange
3) White with green stripes
4) Blue
5) White with blue stripes
6) Green
7) White with brown stripes
8) Brown
COM
6
7
X
BMS_485A BMS_485B
BMS
8