Huawei LUNA2000 User Manual page 64

LUNA2000-(5-30)-S0
User Manual
Figure 5-10 Signal cable ports
Table 5-3 COM port definition
No.
1
2
3
4
5
6
7
8
9
10
Terminals
Issue 01 (2020-10-20)
Label
PE
Enable-
Enable+
485A1
485A2
485B1
485B2
CANL
CANH
PE
NO TE
Identify the signal terminal pins according to the following figures, and connect cables
according 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 different. Insert
the communications terminal according to the following figures.
Copyright © Huawei Technologies Co., Ltd.
Definition
Shield layer grounding
Enable signal GND
Enable signal+
RS485A, RS485
differential signal+
RS485A, RS485
differential signal+
RS485B, RS485
differential signal–
RS485B, RS485
differential signal–
Extended CAN bus port
Extended CAN bus port
Shield layer grounding
5 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.
Connects to the RS485 signal
port of the inverter.
Used for signal cable
cascading in battery
cascading scenarios.
Used for signal cable
cascading in battery
cascading scenarios.
Shield layer grounding
58