Huawei SUN2000-M0 Series User Manual page 48

SUN2000-(5KTL, 6KTL)-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
Pin Definiti Function
on
1 485A1-1 RS485A,
RS485
differential
signal+
3 485B1-1 RS485B,
RS485
differential
signal–
5 PE Shield layer
grounding
7 485A2 RS485A,
RS485
differential
signal+
RS485B,
9 485B2
RS485
differential
signal–
11 EN Enable signal
Issue 03 (2019-07-19)
Description
Used to
cascadeinverters
or connect to
the RS485
signal port on
the
SmartLogger
N/A
Used to connect
to the RS485
signal port on
devices such as
the Smart Power
Sensor and the
energy storage
device
Reserved. Used
to connect to the
enable signal
port on an
energy storage
device
Copyright © Huawei Technologies Co., Ltd.
Pin Definiti Function
on
2 485A1-2 RS485A,
RS485
differential
signal+
4 485B1-2 RS485B,
RS485
differential
signal–
6 PE Shield layer
grounding
8 DIN1 Power grid
scheduling
dry contact
10 DIN2
12 DIN3
5 Electrical Connections
Description
Used to
cascadeinvert
ers or connect
to the RS485
signal port on
the
SmartLogger
N/A
N/A
42