Huawei SUN2000 M0 Series User Manual page 53

SUN2000-(3KTL-10KTL)-M0
User Manual
Pin Definitio Function
n
7 485A2 RS485A,
RS485
differential
signal+
9 485B2 RS485B,
RS485
differential
signal–
11 EN Enable signal
13 GND GND
15 DIN5 Rapid
shutdown
switch
Communication Networking
●
Issue 06 (2020-10-23)
Description
Used to
connect to the
RS485 signal
port on
devices such
as the Smart
Power Sensor
and the
energy storage
device
Reserved.
Used to
connect to the
enable signal
port on an
energy storage
device
N/A
Reserved.
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.
Smart Dongle Networking Scenario
Figure 5-20 Smart Dongle networking
Copyright © Huawei Technologies Co., Ltd.
Pin Definitio Function
n
8 DIN1 Power grid
scheduling
dry contact
10 DIN2
12 DIN3
14 DIN4
16 GND
5 Electrical Connections
Description
N/A
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