Parameter Description Remarks
String connection
mode
Species the connection mode of PV
strings.
● When the PV strings connect to
the inverter separately (fully
separate connection), there is no
need to set this parameter. The
inverter can automatically detect
the connection mode of the PV
strings.
● When the PV strings connect to
one another in parallel outside the
inverter and then connect to the
inverter independently (fully
parallel connection), set this
parameter to All PV strings
connected.
N/A
Communication
interrupt shutdown
The standards of certain countries
and regions require that the
SUN2000 must shut down after the
communication is interrupted for a
certain time.
If Communication interrupt
shutdown is set to Enable and the
SUN2000 communication has been
interrupted for a specied time (set
by Communication interruption
duration), the SUN2000 will
automatically shut down.
Communication
resumed startup
If this parameter is enabled, the
SUN2000 automatically starts after
communication recovers. If this
parameter is disabled, the SUN2000
needs to be started manually after
communication recovers.
This parameter is displayed when
Automatic OFF due to
communication interrupted is set
to Enable.
Communication
interruption
duration (min)
Species the duration for
determining communication
interruption, and is used for
automatic shutdown for protection in
case of communication interruption.
N/A
Soft start time (s) Species the duration for the power
to gradually increase when the
SUN2000 starts.
N/A
Hibernate at night The SUN2000 monitors PV strings at
night. If Hibernate at night is set to
Enable, the monitoring function of
the SUN2000 will hibernate at night,
reducing power consumption.
N/A
SUN2000-(70KTL, 75KTL)-C1
User Manual 7 Man-Machine Interactions
Issue 09 (2020-10-12) Copyright © Huawei Technologies Co., Ltd. 84
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