Huawei SUN2000-8KTL-M0 User Manual page 51

SUN2000-(12KTL, 15KTL, 17KTL, 20KTL)-M0
User Manual

When routing the signal cable, ensure that it is separate from the power cable and away
from interfering sources to prevent communication from being affected.

The protection layer of the cable is in the connector. Cut off surplus core wires from the
protection layer. Ensure that the core wires are completely inserted into the cable holes,
and that the cable is securely connected.
Figure 5-17 Signal definitions
Table 5-3 Signal definitions
Pin
1
3
5
7
Issue 03 (2019-07-19)
Definiti Functio
on n
485A1-1 RS485
different
ial
signal+
485B1-1 RS485
different
ial
signal–
PE Shieldin
g ground
485A2 RS485
different
ial
signal+
Copyright © Huawei Technologies Co., Ltd.
Descrip Pin
tion
Used to 2
connect
to the
RS485
signal
4
port on
the
SUN200
0 or
SmartLo
gger100
0A
N/A 6
Used to 8
connect
to an
RS485
5 Electrical Connections
Definiti Functio
on n
485A1-2 RS485
different
ial
signal+
485B1-2 RS485
different
ial
signal–
PE Shieldin
g ground
DIN1 Dry
contact
interface
for grid
Descrip
tion
Used to
connect
to the
RS485
signal
port on
the
SUN200
0 or
SmartLo
gger100
0A
N/A
Connect
s to the
Ripple
Control
45