10.12 n: Special Adjustment
584 YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n8-41
(0568)
Expert
HFI P Gain
Sets the speed estimation response for high frequency injection.
Usually it is not necessary to change this setting.
3.0
(1.0 - 100.0)
1004
n8-42
(0569)
Expert
HFI I Time
Sets the oscillation suppression gain of the speed estimation for high
frequency injection. Usually it is not necessary to change this
setting.
1.0
(0.1 - 5.0)
1004
n8-45
(0538)
Speed Feedback
Detection Gain
Sets the internal speed feedback detection reduction unit gain as a
magnification value. Usually it is not necessary to change this
parameter.
0.80
(0.00 - 10.00)
1004
n8-47
(053A)
Pull-in Current
Comp Filter Time
Sets the time constant the drive uses to align the pull-in current
reference value with the actual current value. Usually it is not
necessary to change this parameter.
5.0 s
(0.0 - 100.0 s)
1004
n8-48
(053B)
Pull-in/Light Load
Id Current
Sets the d-axis current that flows to the motor during run at constant
speed as a percentage where E5-03 [PM Motor Rated Current
(FLA)] = 100%.
30%
(20 - 200%)
1005
n8-49
(053C)
Expert
Heavy Load Id
Current
Sets the d-axis current to that the drive will supply to the motor to
run it at a constant speed with a heavy load. This parameter is a
percentage where E5-03 [PM Motor Rated Current (FLA)] = 100%.
Usually it is not necessary to change this setting.
Determined by E5-
01
(-200.0 - 0.0%)
1005
n8-51
(053E)
Pull-in Current @
Acceleration
Sets the pull-in current that can flow during acceleration/
deceleration as a percentage where E5-03 [PM Motor Rated Current
(FLA)] = 100%.
Determined by A1-
02
(0 - 200%)
1005
n8-54
(056D)
Expert
Voltage Error
Compensation
Time
Sets the time constant that the drive uses when adjusting for voltage
errors.
1.00 s
(0.00 - 10.00 s)
1005
n8-55
(056E)
Motor to Load
Inertia Ratio
Sets the ratio between motor inertia and machine inertia.
0 : Below 1:10
1 : Between 1:10 and 1:30
2 : Between 1:30 and 1:50
3 : Beyond 1:50
0
(0 - 3)
1006
n8-57
(0574)
HFI Overlap
Selection
Sets the function that detects motor speed with high frequency
injection.
0 : Disabled
1 : Enabled
0
(0, 1)
1006
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 setting.
200 V Class: 200.0
V, 400 V Class:
400.0 V
(200 V Class: 0.0 -
230.0 V, 400 V
Class: 0.0 - 460.0
V)
1007
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)
1007
n8-69
(065D)
Expert
Speed Observer
Control P Gain
Sets the gain that the drive uses for speed estimation. Usually it is
not necessary to change this setting.
1.00
(0.00 - 20.00)
1007
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