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No.
Name
Setting Range
Default
b3-05
Speed Search Delay Time
0.0 to 100.0 s
0.2 s
n
b3-06: Output Current 1 During Speed Search
Sets the current injected to the motor at the beginning of Speed Estimation Speed Search as a factor of the motor rated current
set in E2-01 (E4-01 for motor 2). If the motor speed is relatively slow when the drive starts to perform Speed Search after a
long period of baseblock, it may be helpful to increase the setting value. The output current during Speed Search is automatically
limited by the drive rated current.
No.
Name
Setting Range
Default
b3-06
Output Current 1 during Speed Search
0.0 to 2.0
Determined by
o2-04
Note:
Use Current Detection Speed Search if Speed Estimation is not working correctly even after adjusting b3-06.
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
b3-14: 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
Determined by
A1-02
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.
n
b3-17: Speed Search Restart Current Level
Sets the current level at which Speed Estimation is restarted as a percentage of drive rated current to avoid overcurrent and
overvoltage problems since a large current can flow into the drive if the difference between the estimated frequency and the
actual motor speed is too big when performing Speed Estimation.
No.
Name
Setting Range
Default
b3-17
Speed Search Restart Current Level
0 to 200%
150%
n
b3-18: Speed Search Restart Detection Time (Speed Estimation Type)
Sets the time for which the current must be above the level set in b3-17 before restarting Speed Search.
No.
Name
Setting Range
Default
b3-18
Speed Search Restart Detection Time
0.00 to 1.00 s
0.10 s
n
b3-19: Number of Speed Search Restarts (Speed Estimation Type)
Sets the number of times the drive should attempt to find the speed and restart the motor. If the number of restart attempts
exceeds the value set to b3-19, the SEr fault will occur and the drive will stop.
No.
Name
Setting Range
Default
b3-19
Number of Speed Search Restarts
0 to 10
3
n
b3-24: Speed Search Method Selection
Sets the Speed Search method used.
1.2 b: Application
32
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
Summary of Contents for A1000 HHP
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