YASKAWA HV600 Technical Reference page 202

5.2 b: Application
When you enable the Run command and input the Speed Search from Fmax or Fref [H1-xx = 61, 62] from a multi-
function input terminal, the drive will do Speed Search and start to operate the motor.
1 : Enabled
Enter the Run command to do Speed Search. The drive completes Speed Search then starts to operate the motor.
■
b3-02: SpeedSearch Deactivation Current
No.
Name
(Hex.)
b3-02 SpeedSearch Deactivation
Current
(0192)
If the drive cannot restart the motor, decrease this setting.
■
b3-03: Speed Search Deceleration Time
No.
Name
(Hex.)
b3-03 Speed Search Deceleration
Time
(0193)
This is the output frequency deceleration time used by Current Detection Speed Search and by the Current Injection
Method of Speed Estimation Speed Search.
Note:
If the drive detects oL1 [Motor Overload] during Current Detection Speed Search, decrease the value set in b3-03.
■
b3-04: V/f Gain during Speed Search
No.
Name
(Hex.)
b3-04 V/f Gain during Speed
Search
(0194)
Use the this formula to calculate the output voltage during Speed Search:
Output voltage during Speed Search = Configured V/f × b3-04
When the current detection search operates correctly, this configuration is not necessary.
■
b3-05: Speed Search Delay Time
No.
Name
(Hex.)
b3-05 Speed Search Delay Time
(0195)
When you use a magnetic contactor between the drive and motor, you must close the contactor before the drive will
do Speed Search. This parameter sets a delay time to activate the magnetic contactor.
■
b3-06: Speed Estimation Current Level 1
No.
Name
(Hex.)
b3-06 Speed Estimation Current
Level 1
(0196)
Expert
When the speed estimation value is the minimum output frequency, increase this setting. You can do this when the
motor coasts at a high speed while the drive estimates the speed during Speed Estimation Speed Search. The limit of
the output current during speed search is automatically the drive rated current.
Note:
When the drive cannot accurately estimate the speed after you adjust this parameter, use Current Detection Speed Search.
202
Sets the current level that stops Speed Search as a percentage of the drive rated output current.
Usually it is not necessary to change this setting.
Sets the deceleration time during Speed Search operation. Set the length of time to decelerate from
the maximum output frequency to the minimum output frequency.
Sets the ratio used to reduce the V/f during searches to reduce the output current during speed
searches.
Sets the Speed Search delay time to activate a magnetic contactor installed between the drive and
motor.
Sets the level of current that flows to the motor during Speed Estimation Speed Search as a
coefficient of the motor rated current. Usually it is not necessary to change this setting.
Description
Description
Description
Description
Description
YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
Default
(Range)
120%
(0 - 200%)
Default
(Range)
2.0 s
(0.1 - 10.0 s)
Default
(Range)
Determined by o2-04
(10 - 100)
Default
(Range)
0.2 s
(0.0 - 100.0 s)
Default
(Range)
Determined by o2-04
(0.0 - 2.0)