11-21
11 Adjustment Functions
G5-series AC Servomotors and Servo Drives User’s Manual (with Built-in EtherCAT Communications)
11-6 Adaptive Filter
11
11-6-1 Objects Requiring Settings
Precautions for Correct UsePrecautions for Correct Use
• Adaptive filter may not operate correctly under the following conditions.
• If the adaptive filter does not operate properly, use Notch 1 (3201 to 3203 hex) or Notch 2
(3204 to 3206 hex) to reduce resonance according to the manual adjustment procedure.
Refer to 11-7 Notch Filters on page 11-23 for information on notch filter.
11-6-1 Objects Requiring Settings
Index Name Description Reference
3200 hex Adaptive Filter Selection Set the number of resonance frequencies to be estimated by
the adaptive filter and the operation to be performed after
estimation.
0:Adaptive filter disabled.
1:One adaptive filter enabled. The objects related to notch
filter 3 are automatically updated.
2:Two adaptive filters enabled. The objects related to notch
filters 3 and 4 are automatically updated.
3:For use by manufacturer. Do not use this setting.
4:Adaptive result is cleared.
Objects related to notch filters 3 and 4 are disabled and the
adaptive result is cleared.
page 9-20
Item Conditions that interfere with the adaptive filter
Resonance
points
• If the resonance frequency is 300 Hz or lower.
•
If the resonance peak or control gain is too low to affect the motor speed.
• If there are three or more resonance points.
Load • If the motor speed with high-frequency components changes due to backlash or
other non-linear elements.
Command
pattern
• If the acceleration/deceleration is 3,000 r/min/s or higher.
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