7. SPECIAL ADJUSTMENT FUNCTIONS
7 - 13
7.1.6 Command notch filter
POINT
By using the advanced vibration suppression control II and the command notch
filter, the load-side vibration of three frequencies can be suppressed.
The frequency range of machine vibration, which can be supported by the
command notch filter, is between 4.5 Hz and 2250 Hz. Set a frequency close to
the machine vibration frequency and within the range.
When [Pr. PB45 Command notch filter] is changed during the positioning
operation, the changed setting is not reflected. The setting is reflected
approximately 150 ms after the servo motor stops (after servo-lock).
(1) Function
Command notch filter has a function that lowers the gain of the specified frequency contained in a
position command. By lowering the gain, load-side vibration, such as work-side vibration and base
shake, can be suppressed. Which frequency to lower the gain and how deep to lower the gain can be
set.
Position
Load side
t
Command notch filter: disabled
Load side
t
Position
Command notch filter: enabled
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