12.10 n: Special Adjustment
1034 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
When you do High Frequency Injection Auto-Tuning, the drive automatically sets n8-84.
Note:
If the drive detects dv3, dv4, or LSo, increase the setting value.
■ n8-94: Flux Position Estimation Method
No.
(Hex.)
Name Description
Default
(Range)
n8-94
(012D)
Expert
Flux Position Estimation
Method
Sets the criteria that the drive uses to find changes in speed or load. Usually it is not necessary to
change this setting.
Determined by d5-01
(0, 1)
0 : Softstarter
1 : Speed Feedback
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].
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