Parameter Description MD320/MD320N User Manual
136
It is used to set the detection value of output frequency and hysteresis value upon removing of
the output action.
Output Frequency
FDT1 Le ve l
FDT1
Hys teres is
Fre que ncy De te ction S igna l
Relay
Tim e
Tim e
F8-20
F reque n c y d e t e ction
hysteresis
(FDT hysteresis)
Factory default
value
5.0%
Setup range 0.0%~ 100.0%(FDT level)
F8-21
Frequency arrival
detection amplitude
Factory default
value
0.0%
Setup range 0.00~ 100% maximum frequency
When the output frequency of the inverter reaches the setup frequency value, this function can
be used to adjust the detection amplitude, as shown the following îš¿gure.
Output Frequency
Setting Frequency
Detected
Amplitude
Fre que ncy De tection Signa l
Relay
Tim e
Tim e
Fig.6-14 Schematic Diagram for Detection Amplitude
Fig.6-13 Schematic Diagram of FDT Level
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