Huawei SUN2000-111KTL-NHM0 User Manual page 52

SUN2000-111KTL-NHM0
User Manual
Figure 5-2 RS485 networking (SDongle)
(A) PV string
(D) Transformer station
(G) Management system
● To ensure the system response speed, it is recommended that less than 30 solar
● The RS485 communication distance between the last solar inverter and the
Issue 09 (2023-12-18)
NO TICE
inverters be connected to each COM port on the SmartLogger and that less
than 10 solar inverters be cascaded over the SDongle.
SmartLogger cannot exceed 1000 m.
Copyright © Huawei Technologies Co., Ltd.
(B) SUN2000
(E) Power grid
-
5 Electrical Connections
(C) AC combiner box
(F) SDongle
-
44