Nidec Control Techniques Digitax-SF DA22423 - Using Digitax SF Connect to Measure Vibration Frequency (FFT); Using Digitax SF Connect to Measure Vibration Frequency

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Digitax SF Instruction Manual
7. Tuning
4
4. Using Digitax SF Connect to Measure Vibration Frequency (FFT)
1
Load the waveforms measured or waveform
data saved to display�
(The example shown on the right is saved waveform data�)
2
Select a parameter of which the vibration
frequency is to be investigated�
Mark the check box to display the waveform�
3
Select
Position Command Filter
or
Torque Command Filter
4
Select a range to investigate vibration frequency�
If the position command lter or torque command lter is
selected, the second cursor location of the chart will be
determined based on the 1st cursor location such that
the display range will contain 2
nd
sample points�
5
Click
Frequency display
�
The x-axis unit will be changed from time [ms] to frequency
[Hz]� The display unit of the graph in the range between the
1st and 2nd cursors will be converted to frequency�
When the x-axis unit on the graph is switched to frequency, the
cursor colors will change�
The table will show the frequency in red on column A and blue on
column B�
6
Read the peak value by using the cursor�
7
Click on
Position Command Filter
Adjustment
or
Torque Command Filter
Adjustment
）
This will take you to the filter setup window under the tuning
tab where a filter can be set�
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