BPD series PV pumping inverter Function parameters
40
detection of
underload
operation
0.1–100.0%
If it is 0.0%, it is determined by the inverter.
If it is not 0.0%, it is determined by P15.17. 100.0%
corresponds to the rated motor current.
If the target frequency and the absolute value of the
ramp frequency is less than or equal to P15.19,
and the current corresponding to the current
frequency is less than P15.17, after the time set by
P15.16, it will report underload fault; otherwise, it
will operate normally. If the state is not continuous,
the delay counting will be cleared automatically.
0.0–1000.0s
Underload reset delay
The operation time and reset time are counted at
the same time during underload, and it is bigger
than P15.16 generally to ensure underload
pre-warning will be reported. After the time set by
P15.18-P15.16, it will reset. If the value is the same
as P15.16, it will reset when report underload
pre-warning.
0.00–200.00Hz
P15.19 is the lag frequency for the analysis of
underload operation. If the target frequency and the
absolute value of the ramp frequency is less than
or equal to P15.19, the current will be compared.
0.0–3600.0s
Delay time of weak light
If the output frequency is less than or equal to the
lower limit of PI output frequency and the state
lasts for the set value, it will report A-LS and
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