Illustration 3.4: H-40 = [0] Speed open loop, H-41 = [2] Flux sensorless
H-55 U/f Characteristic - U
Range: Function:
0 V* [0.0 - 1000.0 V] Enter the voltage at each frequency point to manually form a U/f characteristic matching the motor.
The frequency points are defined in par. H-56 U/f Characteristic - F.
This parameter is an array parameter [0-5] and is only accessible when par. H-41 Motor Control Princi-
ple is set to U/f [0].
H-56 U/f Characteristic - F
Range: Function:
0 Hz* [0 - 1000.0 Hz] Enter the frequency points to manually form a U/f-characteristic matching the motor.
The voltage at each point is defined in par. H-55 U/f Characteristic - U.
This parameter is an array parameter [0-5] and is only accessible when par. H-41 Motor Control Princi-
ple is set to U/f [0].
3.7.5 H-6# Load Depen. Settings
Parameters to configure the load-dependent motor settings.
H-61 High Speed Load Compensation
Range: Function:
100 %* [0 - 300 %] Enter the % value to compensate voltage in relation to load when the motor is running at high speed and
obtain the optimum U/f characteristic. The motor size determines the frequency range within which this
parameter is active.
AF-650 GP Programming Guide
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