Huawei SUN2000-30KTL-M3 - Communication Modes

5.7.1 Communication Modes
RS485 communication
● Smart Dongle networking
Figure 5-21 Smart Dongle networking
NO TE
If the inverter is connected to the Smart Dongle, it cannot be connected to the
SmartLogger.
● SmartLogger networking
Figure 5-22 SmartLogger networking
NO TE
● If the inverter is connected to the SmartLogger, it cannot be connected to the
Smart Dongle.
● You are advised to connect fewer than 30 devices to each RS485 route.
MBUS Communication
The MBUS technology transmits communication signals over power cables
through a communications board.
SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual 5 Electrical Connections
Issue 18 (2024-03-10) Copyright © Huawei Technologies Co., Ltd. 58