Danfoss VLT AutomationDrive FC 301 Programming Manual page 109

Programming Guide | VLT® AutomationDrive FC 301/FC 302
f
f x 0.1
N,M N,M
Variable current
model
P 1-53
Figure 37: Parameter 1-00 Configuration Mode = [0] Speed open loop, parameter 1-01 Motor Control Principle = [2] Flux sensorless
1-54 Voltage Reduction in Fieldweakening
Default value: 0 V
Setup:
All setups
Data type: Int8
The value of this parameter reduces the maximum voltage available for the flux of the motor in field weakening, providing more voltage
for torque. Increasing the value increases the risk of stalling at high speed. When reducing the voltage below 0, the output voltage is
increased and at some point the current controller is forced into "Voltage Limit".
1-55 U/f Characteristic - U
Default value:
Size related
Setup: All setups
Data type:
Uint16
Enter the voltage at each frequency point to manually form a U/f characteristic matching the motor. The frequency points are defined
in parameter 1-56 U/f Characteristic - F. This parameter is an array parameter [0-5] and is only accessible when parameter 1-01 Motor
Control Principle is set to [0] U/f.
1-56 U/f Characteristic - F
Default value: Size related
Setup: All setups
Data type: Uint16
Enter the frequency points to form a U/f characteristic manually matching the motor. The voltage at each point is defined in parameter
1-55 U/f Characteristic - U. This parameter is an array parameter [0–5] and is only accessible when parameter 1-01 Motor Control Principle
is set to [0] U/f.
© 2024.09
x 0.125
Flux model 2
f
out
Parameter type:
Conversion index:
Change during operation:
Parameter type:
Conversion index:
Change during operation:
Parameter type:
Conversion index:
Change during operation:
Parameter Descriptions
Range, -50 - 100 V
0
True
Range, 0 - 1000 V, Array [6]
-1
True
Range, 0 - 1000.0 V, Array [6]
-1
True
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