Huawei SUN2000-2KTL-L0 - Page 59

SUN2000-(2KTL-5KTL)-L0
User Manual
5 Electrical Connections
Issue 02 (2019-07-04)
Copyright © Huawei Technologies Co., Ltd.
53
No.
Label
Definition
Description
3
485B2
RS485B, RS485 differential
signal–
Reserved, can connect to the
RS485 signal port on
SmartPSB2000L Smart PV
Safety Box.
4
485A2
RS485A, RS485 differential
signal+
5
12V–
Negative polarity of the 12 V
power port
6
12 V+
Positive polarity of the 12 V
power port
7
N/A
N/A
N/A
8
PE
Port for grounding the shield
layer
Connects to the shield layer of
the cable.
Procedure
Step 1 Connect signal cables to appropriate signal connectors.