Parameter List
11
11.10 n: SPECIAL
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 457
11.10 n: SPECIAL
◆ n1: HUNTING PREVENTION
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n1-01
(0580)
HuntPrev Selection
Sets the function to prevent hunting.
0 : Disabled
1 : Enabled
2 : Enabled (High Carrier)
Determined by o2-04
(0 - 2)
783
n1-02
(0581)
Expert
HuntPrev 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)
783
n1-03
(0582)
Expert
HuntPrev 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)
783
n1-05
(0530)
Expert
HuntPrev Gain Reverse
Mode
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)
783
n1-08
(1105)
Expert
CurrDetect Method
Sets how the drive decreases the motor vibration that is caused by leakage current.
Usually it is not necessary to change this setting.
1 : 2-Phases
2 : 3-Phases
1
(1, 2)
784
n1-13
(1B59)
Expert
DCBus Stab.Control
Sets the oscillation suppression function for the DC bus voltage.
0 : Disabled
1 : Enabled
0
(0, 1)
784
n1-14
(1B5A)
Expert
DCBus Stab Time
Sets a length of time for the drive to suppress oscillation in relation to the DC bus
voltage. Set n1-13 = 1 [DCBus Stab.Control = Enabled] to enable this parameter.
100.0 ms
(50.0 - 500.0 ms)
784
n1-15
(0BF8)
Expert
PWM VOffset
Calibration
Sets the calibration method that the drive uses to decrease torque/current ripple.
1 : No Calibration
2 : Calib@Next Start
3 : Calib@Every Start
Determined by A1-02
(1 - 3)
784
n1-16
(0BFB)
HuntPrev HiFc 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)
784
n1-17
(0BFC)
Expert
HuntPrev HiFc Filter
Sets the responsiveness of the hunting prevention function. Usually it is not necessary to
change this setting.
500 ms
(0 - 1000 ms)
785
◆ n2: AFR - AUTO FREQ REGULATION
No.
(Hex.)
Name Description
Default
(Range)
Ref.
n2-01
(0584)
AFR Gain
Sets the gain of the AFR function as a magnification value. Usually it is not necessary
to change this setting.
1.00
(0.00 - 10.00)
785
n2-02
(0585)
AFR Time 1
Sets the time constant that sets the rate of change for the AFR function. Usually it is not
necessary to change this setting.
50 ms
(0 - 2000 ms)
785
n2-03
(0586)
AFR Time 2
Sets the time constant that sets the speed difference of the AFR function. Use this
parameter for speed searches or regeneration. Usually it is not necessary to change this
setting.
750 ms
(0 - 2000 ms)
785
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