11.5 b: Application
546 YASKAWA SIEPC71061737D GA800 Drive Technical Reference
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b3-33
(0B3F)
Expert
Speed Search during 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)
741
b3-35
(0BC3)
Expert
Low Back EMF
Detection Level
Sets the Low Back EMF Detection Level. Usually it is not necessary to change this setting.
10%
(5 - 50%)
741
b3-36
(0BC4)
Expert
High Back EMF
Detection Level
Sets the voltage level for Speed Search restart. Usually it is not necessary to change this
setting.
0.970
(0.500 - 1.000)
741
b3-39
(1B8F)
Expert
Regen Judgment Lv of
Spd Search
Sets the level to determine the regenerative state during speed search. Usually it is not
necessary to change this setting.
15%
(0 - 50%)
741
b3-54
(3123)
Search Time
Sets the length of time that the drive will run Speed Search.
400 ms
(10 - 2000 ms)
741
b3-55
(3124)
Expert
Current Increment Time
Sets the length of time that the drive will increase the current from zero current to the
setting value of b3-06 [Speed Estimation Current Level 1].
10 ms
(10 - 2000 ms)
742
b3-56
(3126)
InverseRotationSearch
WaitTime
Sets the wait time until the drive starts inverse rotation search after it completes forward
search when you do inverse rotation search during Current Detection Speed Search.
Determined by o2-04
(0.1 - 5.0 s)
742
b3-61
(1B96)
Expert
Init Magnet Pole
Estimation Gain
Sets the responsiveness for initial motor magnetic pole calculation when A1-02 = 6
[Control Method Selection = AOLV/PM]. Set b3-61 > 0.0 for an ordinary IPM motor.
When you use High Frequency Injection Auto-Tuning, the drive will automatically set this
value.
Note:
• Set n8-35 = 1 [Initial Pole Calculation Method = High Frequency Injection] to
enable this parameter.
• When A1-02= 6 [AOLV/PM] and you do High Frequency Injection Auto-Tuning, the
drive automatically sets this parameter .
• Set n8-41 [HFI P Gain] to adjust the responsiveness for initial motor magnetic pole
calculation when A1-02 = 5, 7 [OLV/PM, CLV/PM].
5.0
(-20.0 - +20.0)
742
◆ b4: Timer Function
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b4-01
(01A3)
Timer Function ON-
Delay Time
Sets the ON-delay time for the timer input.
0.0 s
(0.0 - 3000.0 s)
743
b4-02
(01A4)
Timer Function OFF-
Delay Time
Sets the OFF-delay time for the timer input.
0.0 s
(0.0 - 3000.0 s)
743
b4-03
(0B30)
Expert
Terminal M1-M2 ON-
Delay Time
Sets the delay time to activate the contact after the function set in H2-01 activates.
0 ms
(0 - 65000 ms)
743
b4-04
(0B31)
Expert
Terminal M1-M2 OFF-
Delay Time
Sets the delay time to deactivate the contact after the function set in H2-01 deactivates.
0 ms
(0 - 65000 ms)
743
b4-05
(0B32)
Expert
Terminal M3-M4 ON-
Delay Time
Sets the delay time to activate the contact after the function set in H2-02 activates.
0 ms
(0 - 65000 ms)
743
b4-06
(0B33)
Expert
Terminal M3-M4 OFF-
Delay Time
Sets the delay time to deactivate the contact after the function set in H2-02 deactivates.
0 ms
(0 - 65000 ms)
744
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