● indicates a power cable, indicates a signal cable, and indicates wireless
communication.
● In the inverter cascading scenario, the inverters are both SUN2000-(8K, 10K)-LC0, and a
maximum of three inverters can be cascaded.
● In the Smart Dongle networking, inverters cannot be cascaded in the PV+ESS scenario.
● In the inverter cascading scenario, only one power meter can be connected to the
master inverter.
● In the inverter cascading scenario, the inverters connected to the power grid must meet
the local power grid requirements.
SmartGuard Networking
Figure 2-4 SmartGuard networking (the components in dashed boxes are
optional)
(A) PV string (B) Smart PV Optimizer (C) DC switch
(D) SUN2000 (E) SmartGuard (F) Main circuit breaker
(G) Power grid (H) AC power
distribution units
(J) Non-backup load
(K) Residual current
devices (RCDs)
(L) Backup load (M) Router
(N) FusionSolar app (O) FusionSolar Smart
PV Management System
(SmartPVMS)
(P) LUNA2000
SUN2000-(8K, 10K)-LC0 Series
User Manual 2 Overview
Issue 01 (2023-09-15) Copyright © Huawei Digital Power Technologies Co., Ltd. 16
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