2.10 n: Special Adjustment
426 YASKAWA TOEPYAIGA5002A GA500 DRIVE PROGRAMMING
Set n8-57 = 1 [HFI Overlap Selection = Enabled] to enable this parameter. Increases the stability when the speed or
load suddenly change, for example with rapid acceleration/deceleration or impact loads.
■ n8-95: Flux Position Est Filter Time
No.
(Hex.)
Name Description
Default
(Range)
n8-95
(012E)
Expert
Flux Position Est Filter Time
Sets the time constant of the filter used for the recognition criteria value for speed and load changes.
Usually it is not necessary to change this setting.
30 ms
(0 - 100 ms)
Note:
Enabled when n8-94 = 1 [Flux Position Estimation Method = Speed Feedback].
◆ nA: PM Motor Control Tuning
nA parameters make adjustments for controlling PM motors.
■ nA-01: Observer Calc Gain 3
No.
(Hex.)
Name Description
Default
(Range)
nA-01
(3129)
Expert
Observer Calc Gain 3
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
30.0
(0.0 - 1000.0)
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