Huawei SUN2000 Series User Manual page 54

SUN2000-(196KTL-H3, 200KTL-H3, 215KTL-H3)
Seires
User Manual
Pin Definitions of Communications Ports
Figure 5-18 Communications ports
Port Pin Definition
RS485-1 1 RS485A IN, RS485
differential signal+
3 RS485B IN, RS485
differential signal–
PE 5 PE, shielding ground
RS485-2 7 RS485A, RS485
differential signal+
Procedure
Step 1 Install the communications cable.
Issue 03 (2021-09-30)
Pin
2
4
6
8
Copyright © Huawei Technologies Co., Ltd.
Definition
RS485A OUT, RS485
differential signal+
RS485B OUT, RS485
differential signal–
PE, shielding ground
RS485B, RS485
differential signal–
5 Electrical Connections
Description
Used for cascading
inverters or
connecting to
devices such as the
SmartLogger.
-
Used for connecting
to RS485 slave
devices.
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