Huawei LUNA2000-5-S0 - Page 100

Figure 6-13 Signal cable ports
Table 6-3 COM port denition
No. Label Denition Description
1 PE Shield layer grounding Shield layer grounding
2 Enable- Enable signal GND Connects to the enable signal
GND of the inverter.
3 Enable+ Enable signal+ Connects to the positive
enable signal of the inverter.
4 485A RS485A, RS485
dierential signal+
Connects to the RS485 signal
port + of the inverter or
cascaded battery.
5
6 485B RS485B, RS485
dierential signal–
Connects to the RS485 signal
port - of the inverter or
cascaded battery.
7
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
Terminals
NO TE
● Identify the signal terminal pins according to the following gures, and connect cables
according to Table 6-3. When you insert the communications terminal of the power
control module, the silk screens on the two sides of the communications port are
dierent. Insert the communications terminal according to the following gures.
● The communications terminals on the inverter side need to be connected to RS485+
\RS485-, EN+\EN-, and PE.
LUNA2000-(5-30)-S0
User Manual 6 Electrical Connection
Issue 15 (2024-01-12) Copyright © Huawei Digital Power Technologies Co., Ltd. 91