Delta VFD-A, User Manual

Page: 26 / 86

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Parameter # 05
Parameter Name Maximum output voltage
Factory Setting d220.0 V ; d440.0 for 440 V class.
Units 0.1 V
Parameter value d002.0 - d255.0 V ; d004.0 – d510.0 for 440 V class.
This parameter determines the Maximum Output Voltage of the AC drive. The
maximum output voltage setting must be smaller than or equal to the rated voltage
of the motor as indicated on the motor nameplate. (See graph on Page 24)
Parameter # 06
Parameter Name Mid-point frequency
Factory Setting d001.5 Hz
Units 0.1 Hz
Parameter value d000.1 - d400.0 Hz
This parameter sets the Mid-point frequency on the V/F curve. It may be used to
determine the V/F ratio between the Minimum frequency and the Mid-point
frequency. (See graph on Page 24)
Parameter # 07
Parameter Name Mid-point voltage
Factory Setting d010.0 V ; d020.0 for 440 V class.
Units 0.1 V
Parameter value d002.0 - d255.0 V ; d004.0 – d510.0 for 440 V class.
This parameter sets the Mid-point voltage on the V/F curve. It may be used to
determine the V/F ratio between the Minimum frequency and the Mid-point
frequency. (See graph on Page 24)
Parameter # 08
Parameter Name Minimum output frequency
Factory Setting d001.5 Hz
Units 0.1 Hz
Parameter value d000.1 - d020.0 Hz
This parameter sets the minimum output frequency of the AC Drive. (See graph on
Page 24)
Parameter # 09
Parameter Name Minimum output voltage
Factory Setting d010.0 V ; d020.0 for 440 V class.
Units 0.1 V
Parameter value d002.0 - d050.0 V ; d004.0 – d100.0 for 440 V class.
This parameter sets the minimum output voltage of the AC Drive.