Parameter List
10
10.12 n: Special Adjustment
YASKAWA ELECTRIC SIEP C710617 05F YASKAWA AC Drive GA700 Technical Manual 579
10.12 n: Special Adjustment
◆ n1: Hunting Prevention
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n1-01
(0580)
Hunting Prevention
Selection
Sets the function to prevent hunting.
0 : Disabled
1 : Enabled (Normal)
2 : Enabled (High Carrier Frequency)
Determined by o2-
04
(0 - 2)
987
n1-02
(0581)
Expert
Hunting Prevention
Gain Setting
Adjusts the behavior of the hunting prevention function. Usually it
is not necessary to change this setting.
1.00
(0.00 - 2.50)
987
n1-03
(0582)
Expert
Hunting Prevention
Time Constant
Sets the primary delay time constant of the hunting prevention
function. Usually it is not necessary to change this setting.
Determined by o2-
04
(0 - 500 ms)
987
n1-05
(0530)
Expert
Hunting Prevent
Gain in Reverse
Sets the performance of the hunting prevention function. This
parameter adjusts Reverse run. Usually it is not necessary to change
this setting.
0.00
(0.00 - 2.50)
988
n1-08
(1105)
Expert
Current Detection
Method
Sets how the drive decreases the motor vibration that is caused by
leakage current. Usually it is not necessary to change this setting.
0 : 2-Phases
1 : 3-Phases
0
(0, 1)
988
n1-13
(1B59)
Expert
DC Bus
Stabilization
Control
Sets the oscillation suppression function for the DC bus voltage.
0 : Disabled
1 : Enabled
0
(0, 1)
988
n1-14
(1B5A)
Expert
DC Bus
Stabilization Time
Sets a length of time for the drive to suppress oscillation in relation
to the DC bus voltage. Set n1-13 = 1 [DC Bus Stabilization Control
= Enabled] to enable this parameter.
100.0 ms
(50.0 - 500.0 ms)
988
n1-15
(0BF8)
Expert
PWM Voltage
Offset Calibration
Sets the calibration method that the drive uses to decrease torque/
current ripple.
0 : No Calibration
1 : One Time Calibrate at Next Start
2 : Calibrate Every Time at Start
Determined by A1-
02
(0 - 2)
988
n1-16
(0BFB)
Hunting Prevention
High Fc Gain
Sets the gain for the hunting prevention function. This parameter
functions best with a high carrier frequency. Usually it is not
necessary to change this setting.
Determined by o2-
04
(0.00 - 2.50)
989
n1-17
(0BFC)
Expert
Hunting Prevent
High Fc Filter
Sets the responsiveness of the hunting prevention function. Usually
it is not necessary to change this setting.
500 ms
(0 - 1000 ms)
989
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