SUN2000-(196KTL-H0, 200KTL-H2, 215KTL-H0)
Series
User Manual
Pin Definitions of Communications Ports
Figure 5-16 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 07 (2021-07-08)
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.
47