Huawei SUN2000-3KTL-M1 - Page 57

Pin Denitio
n
Functions Remarks Pin Denitio
n
Functions Remarks
7 485A2 RS485A,
RS485
dierential
signal+
Used to
connect to the
RS485 signal
port on a
power meter
or battery
8 DIN1 Digital input
signal 1+
Used to
connect to
dry contacts
for grid
scheduling
and used as
a reserved
port for
feedback
signals of
the Smart
Backup Box
9 485B2 RS485B,
RS485
dierential
signal–
10 DIN2 Digital input
signal 2+
Used to
connect to
dry contacts
for grid
scheduling
11 EN Enable signal Used to
connect to the
enable signal
of the battery.
12 DIN3 Digital input
signal 3+
13 GND GND – 14 DIN4 Digital input
signal 4+
15 DIN5 Rapid
shutdown
Used to
connect to the
rapid
shutdown DI
signal port or
used as the
reserved port
for the signal
cable of the
NS protection
device.
16 GND GND of
DI1/DI2/DI3
/DI4
Used to
connect to
the GND of
DI1/DI2/DI3/
DI4
Networking Modes
● Smart Dongle networking
SUN2000-(3KTL-10KTL)-M1
User Manual 5 Electrical Connections
Issue 02 (2020-11-20) Copyright © Huawei Technologies Co., Ltd. 50