Limit
Actual Connection
Maximum Number of Devices
That Can Be Connected to the
Smart Dongle
ab
Number of Slave Inverters
Number of Other Devices
(Such as Power Meters)
Note a: You can view the number of devices that can be connected to the Smart Dongle from the
label on the external package.
Note b: If the number of inverters exceeds the limit, configure multiple Smart Dongles. The
installation and commissioning for each Smart Dongle are the same.
Table 2-3 Device description
Device
Description
Service
Owner
PV module
Prepared by the customer.
Device
supplier
Inverter
SUN2000-(3KTL-20KTL)-M0. Software version:
SUN2000MA V100R001C00SPC100 or later. Only one
inverter can be connected.
Huawei
Dongle
Purchased by the customer. The model should be
SDongleA-01.
Huawei
Router
● The router supports WLAN (IEEE 802.11 b/g/n, 2.4
GHz), and the inverters are within the WLAN signal
coverage.
● The WPA, WPA2, or WPA/WPA2 encryption mode is
recommended.
● The Enterprise mode is not supported (such as airport
WLAN and other public hotspots that require
authentication).
● WEP and WPA TKIP encryption modes are not
recommended because they have serious security
vulnerabilities.
● If the access fails in WEP or WPA TKIP mode, log in to
the router and change the encryption mode of the
router to WPA2 or WPA/WPA2.
Device
supplier
Intelligent
management system
FusionSolar Smart PV Management System. Software
version: SmartPVMS V500R007C00SPC110 or later.
Huawei
App
FusionSolar app of 5.7.001 or a later version. The app can
be locally connected to the inverter and remotely
connected to the FusionSolar Smart PV Management
System.
Huawei
Power distribution
unit
Prepared by the customer
Device
supplier
FusionSolar Smart PV Management System
Connection
User Manual (Inv SDongleA)
2 Introduction to the Solution
Issue 02 (2021-11-25)
Copyright © Huawei Technologies Co., Ltd.
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