Huawei SUN2000-30KTL-M3 - Safety Information

10
COM Port Pin Definitions
No.
Definiti
on
Function
Description
No.
Definitio
n
Function
Description
1
485A1
-
1
RS485
differential
signal +
Used to cascade
inverters or
connect to the
SmartLogger
. It
can also connect
to an EMI.
2
485A1
-2
RS485
differential
signal +
Used to cascade
inverters or
connect to the
SmartLogger
. It
can also connect
to an EMI.
3
485B1
-
1
RS485
differential
signal
–
4
485B1
-2
RS485
differential
signal
–
5
PE
Ground point
on the shield
layer
–
6
PE
Ground
point on the
shield layer
–
7
485A2
RS485
differential
signal +
Connects to the
RS485 signal
port on the
power grid
scheduling
power meter.
8
DIN1
Dry contact
for power
grid
scheduling
–
9
485B2
RS485
differential
signal
–
10
DIN2
11
–
–
–
12
DIN3
13
GND
GND
–
14
DIN4
15
DIN5
Rapid
shutdown
Supports AC NS
protection
shutdown, which
can be used as a
reserved port for
rapid shutdown
signals.
16
GND