Figure 5-10 Signal cable ports
Table 5-3 COM port
denition
No. Label Denition Description
1 PE Shield layer grounding Shield layer grounding
2 Enable- Enable signal GND Connects to the enable signal
GND of the inv
erter.
3 Enable+ Enable signal+ Connects to the positive
enable signal of the inverter.
4 485A1 RS485A, RS485
dierential signal+
Connects to the RS485 signal
port of the inverter.
5 485A2 RS485A, RS485
dierential signal+
6 485B1 RS485B, RS485
dierential signal–
Connects to the RS485 signal
port of the inverter.
7 485B2 RS485B, RS485
dierential signal–
8 CANL Extended CAN bus port Used for signal cable
cascading in battery
cascading scenarios.
9 CANH Extended CAN bus port Used for signal cable
cascading in battery
cascading scenarios.
10 PE Shield layer grounding Shield layer grounding
T
erminals
Identify the signal terminal pins according to the following gures, and connect cables
ac
cording to Table 5-3. When you insert the communications terminal of the power control
module, the silk screens on the two sides of the communications port are dierent. Insert
the c
ommunications terminal according to the following gures.
LUNA2000-(5-30)-S0
User Manual 5 Electrical Connection
Issue 01 (2020-10-20) Copyright © Huawei Technologies Co., Ltd. 58