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Pn338 Low Frequency Swinging Detection Level
Initial Value Unit Setting Range Effective RS-485 Address
50 0.1 % 1 ~ 1000 Effective after Set 032FH
Setting description: The detection level when executing automatic low frequency vibration
suppression (Pn336=1~3), this value setting method is used to set the percentage
of the positioning completion determined value (Pn307), adjusting the low
frequency swinging detection level (Pn338) can adjust the detection sensitivity,
and the lower the setting the easier for the noise to be determined incorrectly.
(2) Use PC-Link to run automatic mechanical resonance suppression enablement selection to look for
suppression frequency
1. Click “Tuning (T)” on the tool bar and select “Online Low Frequency Suppression (D)”
2. Set Pn336.0 (automatic mechanical suppression enablement selection)=1~3 and click the “write
in” key to enable automatic detection of low frequency vibration frequency.
3. When the low frequency vibration frequency is found, it will be displayed in low frequency
vibration frequency setting value column (Pn339, Pn341, Pn343). Low frequency suppression
parameter will also be set (Pn340, Pn342, Pn344) and return Pn336.0 to 0 automatically.
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