Figure 5-13 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
485A
RS485A, RS485
differential
Connects to the RS485 signal
port + of the inverter or
cascaded battery.
5
6
485B
RS485B, RS485
differential 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 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.
● The communications terminals on the inverter side need to be connected to RS485+
\RS485-, EN+\EN-, and PE.
LUNA2000-(5-30)-S0
User Manual
5 Electrical Connection
Issue 07 (2022-01-10)
Copyright © Huawei Technologies Co., Ltd.
75