Huawei SUN2000-5KTL-M1 - Page 67

Figure 5-18 Pin denitions
NO TE
● If the RS485 communications cables of devices such as the smart power sensor and
battery are connected to the SUN2000 at the same time, the pins RS485A2 (pin 7),
RS485B2 (pin 9), and PE (pin 5) are shared.
● If both the battery enable signal cable and rapid shutdown switch signal cable are
connected to the SUN2000 at the same time, the GND pin (pin 13) is shared.
Pin
Deniti
on
Functions Remarks Pin Deniti
on
Functions Remarks
1 485A1-1 RS485A,
RS485
dierential
signal+
Used for
SUN2000
cascading or
connecting to
the RS485
signal port on
the
SmartLogger
2 485A1-
2
RS485A,
RS485
dierential
signal+
Used for
SUN2000
cascading or
connecting to
the RS485
signal port on
the
SmartLogger
3 485B1-1 RS485B,
RS485
dierential
signal–
4 485B1-2 RS485B,
RS485
dierential
signal–
5 PE Ground point
on the shield
layer
- 6 PE Ground
point on the
shield layer
-
SUN2000-(3KTL-10KTL)-M1 Series
User Manual 5 Electrical Connections
Issue 17 (2024-01-12) Copyright © Huawei Technologies Co., Ltd. 57