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Pin
Definitio
n
Function
Description
Pin
Definitio
n
Function
Description
7
485A2
RS485A,
RS485
differential
Used to
connect to the
RS485 signal
port on
devices such
as the Smart
Power Sensor
and the
energy storage
device
8
DIN1
Power grid
scheduling
dry contact
N/A
9
485B2
RS485B,
RS485
differential
signal–
10
DIN2
11
EN
Enable signal
Reserved.
Used to
connect to the
enable signal
port on an
energy storage
device
12
DIN3
13
GND
GND
N/A
14
DIN4
15
DIN5
Rapid
shutdown
switch
Reserved.
16
GND
NO TE
● When the RS485 communications cables of devices such as the Smart Power Sensor and
the energy storage device are both connected to the inverter, 485A2 (pin 7), 485B2 (pin
9), and PE (pin 5) are shared.
● When the enable signal cable of the energy storage device and the signal cable of the
rapid shutdown switch are both connected to the inverter, GND (pin 13) is shared.
Communication Networking
●
Smart Dongle Networking Scenario
Figure 5-20 Smart Dongle networking
SUN2000-(3KTL-10KTL)-M0
User Manual
5 Electrical Connections
Issue 06 (2020-10-23)
Copyright © Huawei Technologies Co., Ltd.
46