Delta VFD007B21A - V;F Curve Selection; Start-Up Frequency of the Auxiliary Motor; Stop Frequency of the Auxiliary Motor

Chapter 5 Parameters_VFD-B Series
5-112
Revision 10/2005, BE13, SW V4.08
Group 11: Fan and Pump Control Parameters
11 - 00
V/f Curve Selection
Factory Setting: 00
Settings 00 V/f curve determined by Pr.01-00 to Pr.01-06.
01 1.5 power curve
02 1.7 power curve
03 Square curve
04 Cube curve
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Confirm the load curve and select the proper V/f curve before use.
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The available V/f curves are shown below:
0 20 40
60
80
100
10
20
30
40
50
60
70
80
90
100
01-02
01-01
Voltage100%
Cube power curve
Square power curve
1.7 power curve
1.5 power curve
Freq. %
V/F Curve Diagram
11 - 01
Start-up Frequency of the Auxiliary Motor
Unit: 0.01
Settings 0.00 to 400.00 Hz Factory Setting: 0.00
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This parameter serves as a reference for the startup value of the auxiliary motor. If the setting is 0, the
auxiliary motor cannot be activated.
11 - 02
Stop Frequency of the Auxiliary Motor
Unit: 0.01
Settings 0.00 to 400.00 Hz Factory Setting: 0.00