Parameter List
11
11.5 b: Application
YASKAWA SIEPC71061753C GA500 Technical Manual 365
No.
(Hex.)
Name Description
Default
(Range)
Ref.
b3-26
(01C7)
Expert
Direction Determination
Level
Sets the level to find the motor rotation direction. Increase the value if the drive cannot
find the direction.
1000
(40 to 60000)
521
b3-29
(077C)
Expert
Speed Search Back-EMF
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%)
521
b3-31
(0BC0)
Expert
Spd Search Current
Reference Lvl
Sets the current level that decreases the output current during Current Detection Speed
Search.
1.50
(1.50 - 3.50)
521
b3-32
(0BC1)
Expert
Spd Search Current
Complete Lvl
Sets the current level that completes Speed Search.
1.20
(0.00 - 1.49)
522
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)
522
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%)
522
b3-54
(3123)
Search Time
Sets the length of time that the drive will run Speed Search.
400 ms
(10 - 2000 ms)
522
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)
523
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)
523
b3-61
(1B96)
Expert
Initial Pole Detection
Response 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.
It is automatically set if High Frequency Injection Tuning is used.
Note:
• Set n8-35 = 1 [Initial Pole Calculation Method = High Frequency Injection] to
enable this parameter.
• Set n8-41 [HFI P Gain] to adjust the responsiveness for initial motor magnetic
pole calculation when A1-02 = 5 [OLV/PM].
5.0
(-20.0 - +20.0)
523
◆ 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)
524
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)
524
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)
524
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)
524
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)
524
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)
524