Chapter 5 Parameters
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VFD-B-P Series
5-102
Revision April 2009, SW V1.00
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
Confirm the load curve and select the proper V/f curve before use.
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
Vol tage100%
Cube power c urve
Square power cur ve
1.7 power c urve
1.5 power c urve
F req. %
V/f Curv e Diagram
11 - 01
Start-up Frequency of the Auxiliary Motor
Unit: 0.01
Settings
0.00 to 400.00 Hz
Factory Setting: 0.00
This parameter serves as a reference for the startup value of the auxiliary motor. If the setting
is 0.00, 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
When the output frequency reaches this parameter value, the auxiliary motor will be stopped.
There must be a minimum of 5 Hz difference between the start frequency and stop frequency
of auxiliary motor. (Pr.11-01-Pr.11-02) > 5 Hz.
11 - 03
Time Delay before Starting the Auxiliary Motor
Unit: 0.1
Settings
0.0 to 3600.0 sec
Factory Setting: 0.0
