Huawei SUN2000-8K-LC0 Series User Manual page 62

SUN2000-(8K, 10K)-LC0 Series
User Manual
Pin Definiti
on
1 485B1
2 485A1
3 485B2
4 485A2
5 GND
6 EN+
7 DI1
8 DI2
9 GND
10 PE
Communication Networking Mode
●
Issue 01 (2023-09-15)
Function
RS485B, RS485 differential
signal–
RS485A, RS485 differential
signal+
RS485B, RS485 differential
signal–
RS485A, RS485 differential
signal+
GND
Enable signal
Digital input signal 1+
Digital input signal 2+
GND
Shield layer grounding
Smart Dongle networking
Figure 5-14 Smart Dongle networking (the components in the dashed box
are optional)
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
Used to connect to the RS485 signal ports
of the cascaded inverters, the EMMA, or the
SmartGuard. When cascaded inverters and
the EMMA coexist, they share the 485B1
and 485A1 ports.
NOTE
● Inverters cannot be cascaded in the
SmartGuard networking.
Used to connect to the RS485 signal ports
on the batteries and power meters. When
batteries and power meters coexist, they
share the 485B2 and 485A2 ports.
Used to connect to the GND of the enable
signal/DI1/DI2 of the battery.
Used to connect to the enable signal of the
battery.
Used to connect to the positive terminal of
DI1. It can connect to the DRM0 scheduling
signal or serve as a port for rapid shutdown
signals.
Used to connect to the positive terminal of
DI2. It serves as the feedback signal port of
the SmartGuard.
Used to connect to the GND of the enable
signal/DI1/DI2 of the battery.
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5 Electrical Connections
55