Nidec Control Techniques Digitax-SF DA21223, Instruction Manual, Page: 328 / 386

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Digitax SF
Instruction Manual
Tuning
7
4.
Using
Digitax SF Connect
to Measure Vibration Frequency (FFT)
7. Tuning
4. Using
Digitax SF Connect
to Measure Vibration Frequency (FFT)
8
Click on the icon for the filter that you want
to set�
Up to four levels of the position command filters and
three levels of torque command filters are available�
9
Set the filter parameters�
For the notch fil
t
er, enter the vibration frequency measured�
10
Click on
Waveform
monitor
to return to the waveform
monitor�
The filter that you just set will be shown on the list�
11
Unchecking the check box will switch the effect of the
filter ON/OFF
Switch on to verify the filter effect� Switching off will not
lose the filter parameter�
Tip for Notch Filter Setup
When you are setting a notch filter, use the initial value for the notch width and check the effect first�
After setting the notch fil
t
er, start the equipment, verify the filter effect, and lower the notch frequency
gradually� Measure the waveforms to find the best filter conditions such as frequency, width, and depth�
The notch frequency varies depending on the equipment
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9
10
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