6-8
Application Manual CDA3000
6  Control modes
6.1.1 _70VF-Voltage 
Frequency 
Control
Figure 6.3 Voltage frequency control with two interpolation points
Figure 6.4 Voltage frequency control with six interpolation points
Function Effect
• Adaptation of the inverter
module to the motor and to
the load characteristic of the
application
• Generation of the optimum
torque for the application
U[V]
VBx
VNx
FNx
f[Hz]
U[V]
VB1
V1-1
V3-1
V2-1
V4-1
FN1
F6-1
F5-1
F4-1
F3-1
F2-1
F1-1
f [Hz]
V6-1
VN1
V5-1