Parameter Name Description
Active power
output limit for
fail-safe
Species the derating value of
the SUN2000 active power by
percentage. If the Smart
Dongle does not detect any
meter data or the
communication between the
Smart Dongle and the
SUN2000 is disconnected, the
Smart Dongle delivers the
derating value of the
SUN2000 active power by
percentage.
Communication
disconnection fail-
safe
In the SUN2000 anti-
backfeeding scenario, if this
parameter is set to Enable,
the SUN2000 will derate
according to the active power
derating percentage when the
communication between the
SUN2000 and the Smart
Dongle is disconnected for a
period longer than
Communication
disconnection detection
time.
Communication
disconnection
detection time
Species the time for
determining the
communication disconnection
between the SUN2000 and the
Dongle.
This parameter is displayed
when Communication
disconnection fail-safe is set
to Enable.
Grid
connection
with limited
power (kW)
Closed-loop
controller
● If multiple inverters are
cascaded, set this
parameter to SDongle/
SmartLogger.
● If there is only one inverter,
set this parameter to
Inverter.
Limitation mode Total power indicates export
limitation of the total power
at the grid-tied point.
SUN2000-(12KTL-25KTL)-M5 Series
User Manual 7 Man-Machine Interactions
Issue 10 (2024-05-14) Copyright © Huawei Digital Power Technologies Co., Ltd. 59
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