Parameter Details
11
11.10 n: Special Adjustment
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 1009
WARNING! Sudden Movement Hazard. Make sure that the polarity is correct before you send a Run command. If the drive
incorrectly detects the polarity, the drive can rotate in the direction opposite of the Run command. Failure to obey can cause
death or serious injury.
■ 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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