Delta Electronics VFD-F Series manual Mid-point Voltage

			VFD-F Series
01 - 04	Mid-point Voltage		Factory Setting: 5.5/11.0
	Settings	230V series: 0.1 ~ 255.0V
		460V series: 0.2 ~ 510.0V
This parameter sets the Mid-point Voltage of the V/f curve.

This parameter must meet the following argument. Pr.1-02 >= Pr.1-04 >= Pr.1-06.

01 - 05	Minimum Output Frequency		Factory Setting: 1.50
	Settings	0.10~20.00 Hz

This parameter sets the Minimum Output Frequency of the AC drive. This parameter must be lower than or equal to the Mid-point frequency

01 - 06	Minimum Output Voltage		Factory Setting: 5.5/11.0
	Settings	230V series: 0.1	~ 50.0V
		460V series: 0.2	~100.0V

This parameter sets the Minimum Output Voltage of the AC Drive. The parameter must be lower than or equal to the Mid-point Voltage.

01 - 07	Upper Bound Frequency		Factory Setting: 60.00
	Settings	0.00~120.00 Hz

This parameter will limit the maximum output frequency of AC drive. If slip compensation (Pr.07-02~07-05) or feedback control (Pr.10-00~10-09) are enabled, the output frequency of AC drive may exceed the Master Frequency Command, but it will continue to be limited by this parameter setting.

01 - 08	Lower Bound Frequency		Factory Setting: 0.00
	Settings	0.00~120.00 Hz

This parameter will limit the minimum output frequency. Any Master Frequency Command below Pr.1-08, will result in an output equal to Pr.1-08.

Upon a start command, the drive will accelerate from Pr.1-05 Minimum Output Frequency to the Master Frequency Command point.

The Lower Bound Frequency setting must be smaller than the Dwell Frequency (Pr.11-08>=01-08). If lower bound frequency setting is greater than the Dwell Frequency, the AC drive will equalize the two settings to the Lower Bound point.

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