11.12 n: Special Adjustment
564 YASKAWA SIEPC71061737B GA800 Drive Technical Reference
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-71
(065F)
Expert
Speed Observer Control
D Gain
Set the speed estimator differential gain. It is available when n8-72 = 1 [Speed Estimation
Method Select = Method 2]. Usually it is not necessary to change this setting.
5.00
(0.00 - 50.00)
972
n8-72
(0655)
Expert
Speed Estimation Method
Select
Selects the speed estimation method. Usually it is not necessary to change this setting.
0 : Method 1
1 : Method 2
1
(0, 1)
972
n8-73
(0656)
Expert
Observer Mode Switch-
Over Speed
Sets the speed level for pull-in current control at motor start as a percentage of E1-06
[Base Frequency]. Usually it is not necessary to change this setting.
10%
(0 - 100%)
973
n8-74
(05C3)
Light Load Iq Level
Set n8-48 [Pull-in/Light Load Id Current] to the percentage of load current (q-axis current)
that you will apply, where E5-03 [Motor Rated Current (FLA)] = a setting value of 100%.
30%
(0 - 255%)
973
n8-75
(05C4)
Medium Load Iq Level
(low)
Set n8-78 [Medium Load Id Current] to the percentage of load current (q-axis current) that
you will apply, where E5-03 [Motor Rated Current (FLA)] = a setting value of 100%.
50%
(0 - 255%)
973
n8-76
(05CD)
Expert
Id Switching Filter Time
Sets the filter time constant for d-axis current reference. Usually it is not necessary to
change this setting.
200 ms
(0 - 5000 ms)
973
n8-77
(05CE)
Heavy Load Iq Level
Set n8-49 [Heavy Load Id Current] to the percentage of load current (q-axis current) that
you will apply, where E5-03 [Motor Rated Current (FLA)] = a setting value of 100%.
90%
(0 - 255%)
973
n8-78
(05F4)
Medium Load Id Current
Sets the level of the pull-in current for mid-range loads.
0%
(-200 - +200%)
973
n8-79
(05FE)
Pull-in Current @
Deceleration
Sets the pull-in current that can flow during deceleration as a percentage of the E5-03 [PM
Motor Rated Current (FLA)].
Note:
When n8-79 = 0, the drive will use the value set in n8-51 [Pull-in Current @
Acceleration].
50%
(0 - 200%)
974
n8-84
(02D3)
Expert
Polarity Detection
Current
Sets the current for processing an estimation of the initial motor magnetic pole as a
percentage, where E5-03 [PM Motor Rated Current] is the 100% value.
100%
(0 - 150%)
974
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.
0 : Softstarter
1 : Speed Feedback
Determined by d5-01
(0, 1)
974
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)
974
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