Parameter List
11
11.3 b: APPLICATION
SIEPYEUOQ2A01A AC Drive Q2A Technical Manual 399
◆ b3: SPEED SEARCH
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b3-01
(0191)
SpSrch@Start Selection
Sets the Speed Search at Start function where the drive will perform Speed Search with
each Run command.
0 : Disabled
1 : Enabled
Determined by A1-02
(0, 1)
533
b3-02
(0192)
SpSrch Deactivation
Current
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.
Determined by A1-02
(0 - 200%)
533
b3-03
(0193)
SpSrch Deceleration
Time
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.
2.0 s
(0.1 - 10.0 s)
533
b3-04
(0194)
SpSrch V/F Gain
Sets the ratio used to reduce the V/f during searches to reduce the output current during
speed searches.
Determined by o2-04
(10 - 100)
534
b3-05
(0195)
SpSrch Delay Time
Sets the Speed Search delay time to activate a magnetic contactor installed between the
drive and motor.
0.2 s
(0.0 - 100.0 s)
534
b3-06
(0196)
Expert
Speed Curr Lev1 for
Estimation
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.
Determined by o2-04
(0.0 - 2.0)
534
b3-07
(0197)
Expert
Speed Curr Lev2 for
Estimation
Sets the level of current that flows to the motor during Speed Estimation Speed Search
as a coefficient of E2-03 [Mot No-Load Current] or E4-03 [M2 No-Load Current].
Usually it is not necessary to change this setting.
1.0
(0.0 - 3.0)
534
b3-08
(0198)
Expert
Speed ACR PGain for
Estimation
Sets the proportional gain for the automatic current regulator during Speed Estimation
Speed Search. Also adjusts speed search responsiveness. Usually it is not necessary to
change this setting.
A1-02 = 0 through 4:
Determined by o2-04
, A1-02 = 5, 6, or 8:
Determined by A1-02
(0.00 - 6.00)
534
b3-09
(0199)
Expert
Speed ACR ITime for
Estimation
Sets the integral time for the automatic current regulator during Speed Estimation Speed
Search. Also adjusts speed search responsiveness. Usually it is not necessary to change
this setting.
Determined by A1-02
(0.0 - 1000.0 ms)
534
b3-10
(019A)
Expert
Speed Det Gain for
Estimation
Sets the gain to correct estimated frequencies from Speed Estimation Speed Search.
1.05
(1.00 - 1.20)
535
b3-14
(019E)
Speed Bi-Directional
Search
Sets the direction of Speed Search to the direction of the frequency reference or in the
motor rotation direction as detected by the drive.
0 : Disabled
1 : Enabled
Determined by A1-02
(0, 1)
535
b3-17
(01F0)
Expert
Speed Retry Current
Level
Sets the current level for the search retry function in Speed Estimation Speed Search as
a percentage where drive rated current is a setting value of 100%.
150%
(0 - 200%)
535
b3-18
(01F1)
Expert
Speed Retry Delay
Sets the length of time that the drive will wait to retry Speed Estimation Speed Search
when too much current flow stopped the Speed Search.
0.10 s
(0.00 - 1.00 s)
535
b3-19
(01F2)
Speed Retry Times
Sets the number of times to restart Speed Search if Speed Search does not complete.
3 times
(0 - 10 times)
535
b3-24
(01C0)
SpSrch Method
Selection
Sets the Speed Search method when starting the motor or when restoring power after a
momentary power loss.
1 : Speed Estimation
2 : Current Det2
2
(1, 2)
535
b3-25
(01C8)
Expert
SpSrch Wait Time
Sets the length of time the drive will wait to start the Speed Search Retry function.
0.5 s
(0.0 - 30.0 s)
536
b3-26
(01C7)
Expert
Dir. Determ. Level
Sets the level to find the motor rotation direction. Increase the value if the drive cannot
find the direction.
1000
(40 - 60000)
536
b3-27
(01C9)
Expert
SS@RUNbeforeBB
Sets the conditions necessary to start Speed Search.
0 : SS@RUNbeforeBB
1 : SS Always
0
(0, 1)
536
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