Huawei LUNA2000-5-S0 User Manual page 100

LUNA2000-(5-30)-S0
User Manual
Figure 6-13 Signal cable ports
Table 6-3 COM port definition
No.
1
2
3
4
5
6
7
8
9
10
Terminals
Issue 15 (2024-01-12)
Label
PE
Enable-
Enable+
485A
485B
CANL
CANH
PE
NO TE
● Identify the signal terminal pins according to the following figures, 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
different. Insert the communications terminal according to the following figures.
● The communications terminals on the inverter side need to be connected to RS485+
\RS485-, EN+\EN-, and PE.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Definition
Shield layer grounding
Enable signal GND
Enable signal+
RS485A, RS485
differential signal+
RS485B, RS485
differential signal–
Extended CAN bus port
Extended CAN bus port
Shield layer grounding
6 Electrical Connection
Description
Shield layer grounding
Connects to the enable signal
GND of the inverter.
Connects to the positive
enable signal of the inverter.
Connects to the RS485 signal
port + of the inverter or
cascaded battery.
Connects to the RS485 signal
port - of the inverter or
cascaded battery.
Used for signal cable
cascading in battery
cascading scenarios.
Used for signal cable
cascading in battery
cascading scenarios.
Shield layer grounding
91