Huawei SUN2000-15KTL-50KTL-M3 Series - 6.3.2 Connecting Signal Cables (V200 R002)

Replacing SUN2000-(15KTL-50KTL) Series with
SUN2000-(15KTL-50KTL)-M3 Series
User Manual
6 Electrical Connections
Issue 01 (2021-04-05)
Copyright © Huawei Technologies Co., Ltd.
63
6.3.2 Connecting the Signal Cables
COM Port Pin Definitions
Ensure that the protection layers of the cables are inside the connector, that excess core wires
are cut off from the protection layer, that the exposed core wires are totally inserted into the
cable hole, and that the cable is connected securely.
Before Replacement-RJ45
Network Port
Before
Replacement-Termina
l Block
SUN2000-(15KTL-50KTL)-M3 Series
(COM Port)
No.
Color
Function
No.
Function
No.
Definition
Function
1
White
and
orange
RS485A
1
RS485A IN
1
485A1-1
RS485 differential
signal +
4
Blue
RS485A
2
RS485A OUT
2
485A1-2
RS485 differential
signal +
2
Orange
RS485B
3
RS485B IN
3
485B1-1
RS485 differential
signal –
5
White
and
blue
RS485B
4
RS485B OUT
4
485B1-2
RS485 differential
signal –
–
–
–
–
–
5
PE
Shield layer grounding
–
–
–
–
–
6
PE
Shield layer grounding
–
–
–
–
–
7
485A2
RS485 differential
signal +
–
–
–
–
–
9
485B2
RS485 differential
signal –
–
–
–
–
–
8
DIN1
Dry contact for power
grid scheduling
–
–
–
–
–
10
DIN2
–
–
–
–
–
12
DIN3
–
–
–
–
–
14
DIN4
–
–
–
–
–
16
GND