Actual signals and parameters 245
2609 NOISE
SMOOTHING
Enables the noise smoothing function. Noise smoothing
distributes the acoustic motor noise over a range of
frequencies instead of a single tonal frequency resulting in
lower peak noise intensity. A random component with an
average of 0 Hz is added to the switching frequency set by
parameter 2606 SWITCHING FREQ.
Note: Parameter has no effect if parameter 2606
SWITCHING FREQ is set to 16 kHz.
DISABLE
DISABLE Disabled 0
ENABLE Enabled 1
2610 USER
DEFINED U1
Defines the first voltage point of the custom U/f curve at the
frequency defined by parameter 2611 USER DEFINED F1.
See section Custom U/f ratio on page 143.
19% of
U
N
0…120% of U
N
V Voltage 1 = 1 V
2611 USER
DEFINED F1
Defines the first frequency point of the custom U/f curve. 10.0 Hz
0.0…599.0 Hz Frequency 1 = 0.1 Hz
2612 USER
DEFINED U2
Defines the second voltage point of the custom U/f curve at
the frequency defined by parameter 2613 USER DEFINED
F2. See section Custom U/f ratio on page 143.
38% of
U
N
0…120% of U
N
V Voltage 1 = 1 V
2613 USER
DEFINED F2
Defines the second frequency point of the custom U/f curve. 20.0 Hz
0.0…599.0 Hz Frequency 1 = 0.1 Hz
2614 USER
DEFINED U3
Defines the third voltage point of the custom U/f curve at the
frequency defined by parameter 2615 USER DEFINED F3.
See section Custom U/f ratio on page 143.
47.5% of
U
N
0…120% of U
N
V Voltage 1 = 1 V
2615 USER
DEFINED F3
Defines the third frequency point of the custom U/f curve. 25.0 Hz
0.0…599.0 Hz Frequency 1 = 0.1 Hz
2616 USER
DEFINED U4
Defines the fourth voltage point of the custom U/f curve at
the frequency defined by parameter 2617 USER DEFINED
F4. See section Custom U/f ratio on page 143.
76% of
U
N
0…120% of U
N
V Voltage 1 = 1 V
2617 USER
DEFINED F4
Defines the fourth frequency point of the custom U/f curve. 40.0 Hz
0.0…599.0 Hz Frequency 1 = 0.1 Hz
2618 FW VOLTAGE Defines the voltage of the U/f curve when frequency is equal
to or exceeds the motor nominal frequency (9907 MOTOR
NOM FREQ). See section Custom U/f ratio on page 143.
95% of
U
N
0…120% of U
N
V Voltage 1 = 1 V
All parameters
No. Name/Value Description Def/FbEq
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