YASKAWA GA800 Series Maintenance & Troubleshooting Download Page 235

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Parameter

List

3.12 n: Special Adjustment

YASKAWA

TOEPYAIGA8001B GA800 Drive Maintenance & Troubleshooting

235

3.12

n: Special Adjustment

◆

n1: Hunting Prevention

No.

(Hex.)

Name

Description

Default

(Range)

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 to 2)

n1-02

(0581)

Expert

Hunting Prevention Gain
Setting

Sets the performance of the hunting prevention function. Usually it is not necessary to change this
parameter.

1.00

(0.00 - 2.50)

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 parameter.

Determined by o2-04

(0 - 500 ms)

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 parameter.

0.00

(0.00 - 2.50)

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 parameter.

0 : 2-Phases

1 : 3-Phases

(0, 1)

n1-13

(1B59)

Expert

DC Bus Stabilization
Control

Sets the oscillation suppression function for the DC bus voltage.

0 : Disabled

1 : Enabled

(0, 1)

n1-14

(1B5A)

Expert

DC Bus Stabilization Time

Adjusts the responsiveness of the oscillation suppression function for 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)

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)

n1-16

(0BFB)

Expert

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 parameter.

Determined by o2-04

(0.00 - 2.50)

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
parameter.

500 ms

(0 - 1000 ms)

n1-20

(1588)

Expert

Voltage Calibration Duration

Sets the calibration time at start. Usually it is not necessary to change this parameter.

50 ms

(10 - 500 ms)

◆

n2: Auto Freq Regulator (AFR)

No.

(Hex.)

Name

Description

Default

(Range)

n2-01

(0584)

Automatic Freq Regulator
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)

n2-02

(0585)

Automatic Freq Regulator
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)

n2-03

(0586)

Automatic Freq Regulator
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)

V/f

CL-V/f

OLV

CLV

AOLV

OLV/PM

OLV/PM AOLV/PM CLV/PM

EZOLV

V/f

CL-V/f