If a SUN2000 is networked using a Smart Dongle, it cannot be connected to the
SmartLogger.
● SmartLogger networking
Figure 5-21 SmartLogger networking
● If a SUN2000 is networked using the SmartLogger, it cannot be connected to a
Smart Dongle.
● It is recommended that the number of SUN2000s connected to each RS485 route
be less than 30.
MBUS Communication
The MBUS is a communication mode in which communication signals are loaded
to power cables through the communications board for transmission.
● The built-in MBUS module in the SUN2000 does not need to be connected with cables.
● In utility-scale scenarios, an isolation transformer must be connected between inverters
and loads.
● Commercial and industrial scenarios are supported only in China.
SUN2000-(50KTL-ZHM3, 50KTL-M3)
User Manual 5 Electrical Connections
Issue 05 (2023-02-28) Copyright © Huawei Technologies Co., Ltd. 52
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