1.12 n: Special Adjustment
96 YASKAWA TOEPYAIGA8002B GA800 Drive Programming
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n7-11
(311B)
Expert
Pull-in Current Switch
Hysteresis Band
Sets the hysteresis level for Switching Speed set in n7-10 [Pull-in Current Switching
Speed]. When the speed is lower than n7-10 + n7-11 during acceleration, the drive enables
pull-in current.
Note:
• The value set in n8-51 [Pull-in Current @ Acceleration] is enabled for speeds that
are not higher than n7-10 + n7-11 during acceleration. The value set in b8-01 [Energy
Saving Control Selection] is enabled for speeds higher than n7-10 + n7-11.
• If there is a large quantity of oscillation when you operate in the low speed range,
increase the setting value.
• When it is most important to save energy in the low speed range, decrease the setting
value.
5.0%
(1.0 - 20.0%)
499
n7-13
(311D)
Expert
Pull-in Current Switching
Time
Sets a time to enable the pull-in current commands.
100 ms
(0 - 1000 ms)
499
n7-17
(3122)
Resistance
TemperatureCorrection
Sets the function to adjust for changes in the motor resistance value caused by changes in
the temperature.
0 : Invalid
1 : Valid (Only 1 time)
2 : Valid (Every time)
1
(0 to 2)
499
◆ n8: PM Motor Control Tuning
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-01
(0540)
Pole Position Detection
Current
Sets, as a percentage, the Initial Rotor Position Estimated Current, taking the E5-03 [Motor
Rated Current (FLA)] as the 100% value. Usually it is not necessary to change this setting.
50%
(0 - 100%)
499
n8-02
(0541)
Expert
Pole Alignment Current
Level
Sets the current at the time of polar attraction as a percentage of E5-03 [Motor Rated
Current (FLA)]. Usually it is not necessary to change this setting.
80%
(0 - 150%)
500
n8-03
(0542)
Pole Position Detection
Time
Sets the length of the Current Starting Time, which is used for Z Pulse Offset Tuning.
Usually it is not necessary to change this setting.
1.5 s
(1.5 - 5.0 s)
500
n8-04
(0543)
Expert
Pole Alignment Time
Sets the length of the Polar Attraction Time, which is used for Z Pulse Offset Tuning.
Usually it is not necessary to change this setting.
1.5 s
(1.5 - 5.0 s)
500
n8-11
(054A)
Observer Calculation
Gain 2
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
Determined by n8-72
(0.0 - 1000.0)
500
n8-14
(054D)
Expert
Polarity Compensation
Gain 3
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
1.000
(0.000 - 10.000)
500
n8-15
(054E)
Expert
Polarity Compensation
Gain 4
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
0.500
(0.000 - 10.000)
501
n8-21
(0554)
Expert
Motor Back-EMF (Ke)
Gain
Sets the gain for speed estimation. Usually it is not necessary to change this setting.
0.90
(0.80 - 1.00)
501
n8-23
(0556)
Expert
ACR q Gain @PoleEst
Sets the proportional gain for current regulator q-axis control when the drive estimates the
initial pole. Usually it is not necessary to change this setting.
0
(0 - 2000)
501
n8-24
(0557)
Expert
ACR q Integral Time
@PoleEst
Sets the integral time for current regulator q-axis control when the drive estimates the
initial pole. Usually it is not necessary to change this setting.
0.0 ms
(0.0 - 100.0 ms)
501
n8-25
(0558)
Expert
ACR q Limit @PoleEst
Sets the q-axis limit of the current regulator when the drive estimates the initial pole.
Usually it is not necessary to change this setting.
0%
(0 - 150%)
501
n8-26
(0559)
Expert
ACR d Gain @PoleEst
Sets the proportional gain for current regulator d-axis control when the drive estimates the
initial pole. Usually it is not necessary to change this setting.
500
(0 - 2000)
501
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