11.3 b: APPLICATION
400 SIEPYEUOQ2A01A AC Drive Q2A Technical Manual
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b3-29
(077C)
Expert
SpSrch BackEMF
Threshold
Sets the induced voltage for motors that use Speed Search. The drive will start Speed
Search when the motor induced voltage level is the same as the setting value. Usually it
is not necessary to change this setting.
10%
(0 - 10%)
536
b3-31
(0BC0)
Expert
SpSrch I Ref Level
Sets the current level that decreases the output current during Current Detection Speed
Search.
1.50
(1.50 - 3.50)
536
b3-32
(0BC1)
Expert
SpSrch I End Level
Sets the current level that completes Speed Search.
1.20
(0.00 - 1.49)
537
b3-33
(0B3F)
Expert
SpSrch@Uv Selection
Sets the function that starts Speed Search at start-up if the drive detects a Uv
[Undervoltage] when it receives a Run command.
0 : Disabled
1 : Enabled
1
(0, 1)
537
b3-35
(0BC3)
Expert
BckEMF Low Detection
Level
Sets the level of induced voltage that the drive must detect to start Speed Search.
10%
(5 - 50%)
537
b3-36
(0BC4)
Expert
HiBackEMF DetLev
Sets one of the factors in the formula to prevent drive restarts and cause the drive to
enter standby. The drive will enter standby and will not restart when the detected
induced voltage of the motor ≥ power supply voltage × b3-36. Usually it is not
necessary to change this setting.
97.0%
(50.0% - 100.0%)
537
b3-54
(3123)
Search Time
Sets the length of time that the drive will run Speed Search.
400 ms
(10 - 2000 ms)
537
b3-55
(3124)
Expert
Speed Curr Rise Time
Sets the length of time that the drive will increase the current from zero current to the
setting value of b3-06 [Speed Curr Lev1 for Estimation].
10 ms
(10 - 2000 ms)
538
◆ b4: TIMER
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b4-01
(01A3)
Timer ON Time Delay
Sets the ON-delay time for the timer input.
0.0 s
(0.0 - 3000.0 s)
538
b4-02
(01A4)
Timer OFF Time Delay
Sets the OFF-delay time for the timer input.
0.0 s
(0.0 - 3000.0 s)
539
b4-03
(0B30)
Expert
2NO-2CM ON Time
Delay
Sets the delay time to activate the contact after the function set in H2-01 activates.
0 ms
(0 - 65000 ms)
539
b4-04
(0B31)
Expert
2NO-2CM OFF Time
Delay
Sets the delay time to deactivate the contact after the function set in H2-01 deactivates.
0 ms
(0 - 65000 ms)
539
b4-05
(0B32)
Expert
3NO-3CM ON Time
Delay
Sets the delay time to activate the contact after the function set in H2-02 activates.
0 ms
(0 - 65000 ms)
539
b4-06
(0B33)
Expert
3NO-3CM OFF Time
Delay
Sets the delay time to deactivate the contact after the function set in H2-02 deactivates.
0 ms
(0 - 65000 ms)
539
b4-07
(0B34)
Expert
4NO-4CM ON Time
Delay
Sets the delay time to activate the contact after the function set in H2-03 activates.
0 ms
(0 - 65000 ms)
539
b4-08
(0B35)
Expert
4NO-4CM OFF Time
Delay
Sets the delay time to deactivate the contact after the function set in H2-03 deactivates.
0 ms
(0 - 65000 ms)
539
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