Figure 5-19 Smart Dongle networking (the dashed box indicates optional
components)
Table 5-3 Usage Restrictions
Smart Dongle
Usage
Restrictions
Actual Connection
Maximum
Number of
Devices That
Can Be
Connected to
the Smart
Dongle
Number of
SUN2000s
Number of
Other Devices
a
4G
10
n ≤ 10
≤ 10–n
WLAN-FE
10
n ≤ 10
≤ 10–n
Note a: If the power meter and battery are connected through the RS485A2
and RS485B2 ports, they are not included as cascaded devices.
NO TE
● If the SUN2000 is networked with the Smart Dongle, it cannot connect to the
SmartLogger.
● A DTSU666-H smart power meter (provided by Huawei) is required to prevent
backflow.
● The power meter and Smart Dongle must be connected to the same SUN2000.
● If a battery is connected, a maximum of three inverters can be cascaded. Any one
of the inverters can be connected to the battery. (The inverter connected to the
Smart Dongle must be connected to the battery.)
● If the SUN2000-(3KTL–10KTL)-M1 and SUN2000-(2KTL–6KTL)-L1 are cascaded, a
maximum of three inverters can be cascaded.
●
SmartLogger networking
SUN2000-(3KTL-10KTL)-M1
User Manual
5 Electrical Connections
Issue 02 (2020-11-20)
Copyright © Huawei Technologies Co., Ltd.
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