Figure 5-10 Signal cable ports
Table 5-3 COM port definition
No.
Label
Definition
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
Connects to the positive
enable signal of the inverter.
4
485A1
RS485A, RS485
differential
Connects to the RS485 signal
port of the inverter.
5
485A2
RS485A, RS485
differential
6
485B1
RS485B, RS485
differential signal–
Connects to the RS485 signal
port of the inverter.
7
485B2
RS485B, RS485
differential 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
Terminals
NO TE
Identify the signal terminal pins according to the following figures, and connect cables
according to
. 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.
LUNA2000-(5-30)-S0
User Manual
5 Electrical Connection
Issue 01 (2020-10-20)
Copyright © Huawei Technologies Co., Ltd.
58