Huawei LUNA2000-15-S0 - LUNA2000 COM Port Pinout

16
COM Port Pin Definitions
No.
Label
Definition
Description
1
PE
Ground point on the shield layer
Ground point on the shield layer
2
Enable
-
Enable signal GND
Connects to the enable signal GND of the
inverter.
3
Enable+
Enable signal
+
Connects to the enable signal of the
inverter.
4
485A
RS485A,
RS485 differential
signal
+
Connects to the RS485 signal port + of the
inverter or cascaded batteries.
5
6
485B
RS485B, RS485 differential
signal
–
Connects to the RS485 signal port
– of the
inverter or cascaded batteries.
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
Ground point on the shield layer
Ground point on the shield layer
The communications terminals on the inverter side need to be connected to RS485+\RS485-,
EN+\EN-, and PE. The communications terminals on the cascading side need to be connected to
RS485+\RS485-, EN+\EN-, CANH\CANL, and PE.
Pins 6–10 are close to the groove side.