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Application Manual CDA3000
6 Control modes
Settings of assistance parameters 730-ASCA1 and 731 -ASCA2
The parameters ASCU contain preset characteristic shapes based on the
setting options of the six interpolation points of the V/F characteristic.
Explanatory notes
• The values marked with an asterisk (*) are dependent on device
version 230 V or 400 V.
• CDS1 = Characteristic data set 1, CDS2 = Characteristic data set 2
• The voltages between two interpolation points are interpolated in
linear mode.
• Interpolation points with the setting 0 Hz are inactive.
• The sequence of interpolation points is automatically sorted in
ascending order of frequency. As a result, a new interpolation point
can also be entered without having to shift other interpolation point
settings.
• During controller initialization the limit values of the settings are
checked. If the limit values are infringed an error message is deliv-
ered (see Appendix).
BUS KP/DM Function Usage
0 OFF
Fully programmable characteristic with up to six
interpolation points
Optimum setting options for V/F control of
special motors
1 L50Hz
Linear 50 Hz characteristic with two interpolation
points
Standard motor (European market)
2 L60Hz
Linear 60 Hz characteristic with two interpolation
points
Standard motor (American market)
3 L87Hz
Linear 87 Hz characteristic with two interpolation
points
Expanded manipulating range for ∆
4 Q50Hz
Quadratic 50 Hz characteristic with six interpolation
points
Standard motor (European market) for pump
and fan applications
5 Q60Hz
Quadratic 60 Hz characteristic with six interpolation
points
Standard motor (American market) for pump
and fan applications
Table 6.4 Setting of predefined V/F characteristics
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