Communication Modes - Huawei SUN2000-20KTL-M3 User Manual

SUN2000-(20KTL, 29.9KTL, 30KTL, 36KTL, 40KTL)-
M3
User Manual

5.7.1 Communication Modes

RS485 communication
●
●
MBUS Communication
The MBUS technology transmits communication signals over power cables
through a communications board.
Issue 18 (2024-03-10)
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.
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5 Electrical Connections
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