Parameter List
3
3.12 n: Special Adjustment
YASKAWA TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting 241
No.
(Hex.)
Name Description
Default
(Range)
n8-56
(056F)
Expert
PM High Performance
Selection
Usually it is not necessary to change this setting. Sets the high efficiency control method for IPM
motor.
0 : Disabled
1 : Enabled (Vd)
2 : Enabled (Vd & Vq)
1
(0 - 2)
n8-57
(0574)
HFI Overlap Selection
Sets the function that detects motor speed with high frequency injection.
Note:
When you set n8-57 = 1, do High Frequency Injection Auto-Tuning.
0 : Disabled
1 : Enabled
0
(0, 1)
n8-62
(057D)
Expert
Output Voltage Limit Level
Sets the output voltage limit to prevent saturation of the output voltage. Usually it is not necessary to
change this parameter.
Note:
• When A1-02 = 7, 8 [Control Method Selection = CLV/PM EZOLV], this parameter is available
in Expert mode.
• When A1-02 = 8 [Control Method Selection = EZOLV], the default settings are:
• 200 V Class: 230.0 V
• 400 V Class: 460.0 V
200 V Class: 200.0 V,
400 V Class: 400.0 V
(200 V Class: 0.0 to 240.0 V,
400 V Class: 0.0 to 480.0 V)
n8-63
(057E)
Expert
Output Voltage Limit P Gain
Sets the proportional gain for output voltage control. Usually it is not necessary to change this
setting.
1.00
(0.00 - 100.00)
n8-64
(057F)
Expert
Output Voltage Limit I Time
Sets the integral time for output voltage control. Usually it is not necessary to change this setting.
0.040 s
(0.000 - 5.000)
n8-65
(065C)
Expert
Speed Fdbk Gain @ oV
Suppression
Sets the gain of internal speed feedback detection suppression while the overvoltage suppression
function is operating as a magnification value. Usually it is not necessary to change this parameter.
1.50
(0.00 - 10.00)
n8-66
(0235)
Expert
Output Voltage Limit Filter
Time
Sets the filter time constant for output voltage control. Usually it is not necessary to change this
setting.
0.020 s
(0.000 - 5.000)
n8-69
(065D)
Expert
Speed Observer Control P
Gain
Usually it is not necessary to change this setting. Sets the Proportional gain that the drive uses for
speed estimation.
1.00
(0.00 - 20.00)
n8-70
(065E)
Expert
Speed Observer Control I
Time
Sets the speed estimator integral time constant. It is available when n8-72 = 1 [Speed Estimation
Method Select = Method 2]. Usually it is not necessary to change this setting.
0.0 s
(0.0 - 100.0 s)
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)
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)
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%)
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 [PM Motor Rated Current (FLA)] = a setting value of 100%.
30%
(0 - 255%)
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 [PM Motor Rated Current (FLA)] = a setting value of 100%.
50%
(0 - 255%)
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)
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 [PM Motor Rated Current (FLA)] = a setting value of 100%.
90%
(0 - 255%)
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