Pr.70 Frequency Bandwidth Setting Prevention; Pr.71 Pwm Carrier Frequency Select - Danfoss 176F7300 Manual

Pr.70 Frequency Bandwidth Setting Prevention

Factory Setting d0.00
Units 0.1 Hz
Parameter value d0.1 - d20.0 Hz
This parameter determines the frequency band for a given Skip Frequency. Half of the
Skip Frequency Band is above the Skip Frequency and the other half is below.
Programming this parameter to 0.1 disables all skip frequencies.
Output frequency
Decelerating
Skip frequency
set point

Pr.71 PWM Carrier Frequency Select

Factory Setting d15
Units 1 kHz
Parameter value d01 - d18 kHz
This parameter determines the carrier frequency for the "Pulse Width Modulated"
output.
Carrier Electromagnetic
frequency
1kHz
3kHz
9 kHz
15 kHz
18 kHz
Note: Audible of AC motor can be reduced by using a higher carrier frequency, however
please note that the rated output current of the drive decreases by 0.2A for every 1 kHz
increase in carrier above 16 kHz.
Pr.67
Pr.68
Adjustable range
Pr.69
0
Pr.70
Pr.70
Accelerating
Noise leakage
noise current
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VLT ® MICRO
Speed command
frequency
Frequency to
be jumped
Heat
dissipation
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