Huawei SUN2000-12KTL-M1 User Manual

11
Pin
Definition
Function
Description
Pin
Definition
Function
Description
1
485A1
-1
RS485A,
RS485
differential
signal+
Used to cascade
inverters
or
connect to the
RS485 signal
port on the
SmartLogger
2
485A1
-2
RS485A,
RS485
differential
signal+
Used to cascade
inverters
or
connect to the
RS485 signal port
on the
SmartLogger
3
485B1
-1
RS485B,
RS485
differential
signal
–
4
485B1
-2
RS485B,
RS485
differential
signal
–
5
PE
Shielding
ground
N/A
6
PE
Shielding
ground
N/A
7
485A2
RS485A,
RS485
differential
signal+
Used to connect
to the RS485
signal port on
devices such as
the Smart
Power Sensor
and the energy
storage device
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
differential
signal
–
10
DIN2
Digital input
signal 2+
Dry contact for
grid scheduling
11
EN
Enabling
signal
Reserved. Used
to connect to
the enable
signal port on
an energy
storage device
12
DIN3
Digital input
signal 3+
13
GND
GND
Used to connect
to the rapid
shutdown DI
signal port or
served as a
reserved port
for the signal
cable of the NS
protection.
14
DIN4
Digital input
signal 4+
15
DIN5
Rapid
shutdown
signal+
16
GND
GND of
D
IN1/DIN2/
D
IN3/DIN4
Used to connect
to the GND of
D
IN1/DIN2/DIN
3/
D
IN4
•
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.

Huawei SUN2000-12KTL-M1 Specifications

General

Brand	Huawei
Model	SUN2000-12KTL-M1
Category	Inverter
Language	English