Device Description Service
Owner
Slave
inverter
● A master inverter can be used as a slave inverter. A
master inverter that does not support cascading, such
as SUN2000-(2KTL-5KTL)-CN or SUN2000-
(2KTL-5KTL)-L0, cannot be used as a slave inverter.
● SUN2000-29.9KTL/36KTL/42KTL/50KTL
● SUN2000-33KTL-A
● SUN2000-33KTL/40KTL-JP
● SUN2000-43KTL-IN-C1
● SUN2000-50KTL-C1
Huawei
Dongle Purchased by the customer. The model should be
SDongleA-03-XX. For details, see the Smart Dongle
models.
Huawei
SIM card If the Smart Dongle is not congured with a SIM card,
prepare a standard SIM card of the local carriers (size: 25
mm x 15 mm).
Customer
Intelligent
management system
● Huawei management system: FusionSolar Smart PV
Management System with the software version of
SmartPVMS V500R007C00SPC110 or later. You are
advised to use the latest version.
● Third-party management system: A third-party
management system is supported. For details, see the
third-party management system documentation.
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.
● SUN2000 app of 3.2.00.005 or a later version for
Android. The app can be locally connected to the
inverter.
Huawei
Power distribution
unit
Prepared by the customer Device
supplier
Smart Power Sensor ● Recommended model for three-phase inverters:
DTSU666-H
● Recommended models for single-phase inverters:
DDSU666-H and DTSU666-H
Huawei
Power meter Prepared by the customer Device
supplier
MBUS Communication Networking
● The inverter connects to the FusionSolar Smart PV Management System
through the 4G Smart Dongle.
FusionSolar Smart PV Management System
Connection
User Manual (Inverters + SDongleA) 2 Introduction to the Solution
Issue 02 (2021-11-25) Copyright © Huawei Technologies Co., Ltd. 9
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