No. Name Setting Range Default
b3-06 Output Current 1 during Speed Search 0.0 to 2.0
Determined by
o2-04
n
b3-07: Output Current 2 during Speed Search (Speed Estimation Type)
Sets the amount of output current during Speed Estimation Speed Search as a coefficient for the no-load current. Output current
during Speed Search is automatically limited by the drive rated current. Increase this setting value in increments of 0.1 if the
drive fails to perform Speed Estimation
Note: This parameter is only available in models 4A0930 and 4A1200.
No. Name Setting Range Default
b3-07 Output Current 2 during Speed Search (Speed Estimation Type) 0.0 to 5.0
Determined by
o2-04
n
b3-08: Current Control Gain during Speed Search (Speed Estimation Type)
Sets the proportional gain for the current controller during Speed Search.
No. Name Setting Range Default
b3-08 Current Control Gain during Speed Search (Speed Estimation Type) 0.00 to 6.00 0.8
n
b3-09: ACR Integral Time for Speed Search (Speed Estimation Type)
Sets the integral time for the current controller to adjust the responsiveness during a Speed Estimation Speed Search. There
is normally no need to change this parameter from the default value.
No. Name Setting Range Default
b3-09
ACR Integral Time for Speed Search
(Speed Estimation Type)
0.0 to 1000.0 0.0 ms
Note: This parameter is available in drive software versions PRG: 8504 and later.
n
b3-10: Speed Search Detection Compensation Gain (Speed Estimation Type)
Sets the gain for the detected motor speed of the Speed Estimation Speed Search. Increase the setting only if an overvoltage
fault occurs when the drive restarts the motor.
No. Name Setting Range Default
b3-10 Speed Search Detection Compensation Gain 1.00 to 1.20 1.05
n
b3-12: Minimum Current Detection Level during Speed Search
Sets the minimum current detection level during Speed Search. Increase this setting value in increments of 0.1 if the drive
fails to perform Speed Estimation.
Note: This parameter is only available in models 4A0930 and 4A1200.
No. Name Setting Range Default
b3-12 Minimum Current Detection Level during Speed Search 2.0 to 10.0 6.0
n
b3-14: Bi-Directional Speed Search Selection
Sets how the drive determines the motor rotation direction when performing Speed Estimation Speed Search.
No. Parameter Name Setting Range Default
b3-14 Bi-Directional Speed Search Selection 0, 1 1
Setting 0: Disabled
The drive uses the frequency reference to determine the direction of motor rotation to restart the motor.
Setting 1: Enabled
The drive detects the motor rotation direction to restart the motor.
5.2 b: Application
158
YASKAWA SIEP YAIP1U 01C AC Drive - P1000 Technical Manual
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