YASKAWA CIPR-GA50C series Technical Manual page 341

No.
Name
(Hex.)
b3-03 Speed Search
Deceleration Time
(0193)
b3-04 V/f Gain during Speed
Search
(0194)
b3-05 Speed Search Delay
Time
(0195)
b3-06 Speed Estimation
Current Level 1
(0196)
Expert
b3-07 Speed Estimation
Current Level 2
(0197)
Expert
b3-08 Speed Estimation ACR P
Gain
(0198)
Expert
b3-09 Speed Estimation ACR I
Time
(0199)
Expert
b3-10 Speed Estimation
Detection Gain
(019A)
Expert
b3-14 Bi-directional Speed
Search
(019E)
b3-17 Speed Est Retry Current
Level
(01F0)
Expert
b3-18 Speed Est Retry
Detection Time
(01F1)
Expert
b3-19 Speed Search Restart
Attempts
(01F2)
b3-24 Speed Search Method
Selection
(01C0)
b3-25 Speed Search Wait Time
(01C8)
Expert
b3-26 Direction Determination
Level
(01C7)
Expert
YASKAWA SIEPC71061753A GA500 Technical Manual
Description
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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.
Note:
When A1-02 = 8 [Control Method Selection = EZOLV], this parameter takes effect
only in Expert Mode.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the ratio used to reduce the V/f during searches to reduce the output current during
speed searches.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the Speed Search delay time to activate a magnetic contactor installed between the
drive and motor.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the level of current that flows to the motor during Speed Estimation Speed Search
as a coefficient of E2-03 [Motor No-Load Current] or E4-03 [Motor 2 Rated No-Load
Current]. Usually it is not necessary to change this setting.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
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.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
Sets the gain to correct estimated frequencies from Speed Estimation Speed Search.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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
Note:
• When E9-01 = 0 [Motor Type Selection = Induction (IM)] and A1-02 = 0, 2, or 8
[Control Method Selection = V/f, OLV, or EZOLV], the default settings change
when the setting of b3-24 [Speed Search Method Selection] changes.
–b3-24 = 1 [Speed Estimation]: Refer to 425.
–b3-24 = 2 [Current Detection 2]: 0
• When E9-01 = 1 or 2 [Permanent Magnet (PM), Synchronous Reluctance
(SynRM)] and A1-02 = 0 or 8 [V/f, EZOLV], refer to 425.
When you set A1-02, b3-24, and E9-01, set b3-14.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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%.
V/f OLV OLV/PM OLV/PM AOLV/PM EZOLV
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.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the number of times to restart Speed Search if Speed Search does not complete.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the Speed Search method when you start the motor or when you restore power after
a momentary power loss.
Note:
• When A1-02 = 8 [Control Method Selection = EZOLV], the default setting
changes when the setting for E9-01 [Motor Type Selection] changes.
–E9-01 = 0 [Induction (IM)]: 2
–E9-01 = 1, 2 [Permanent Magnet (PM), Synchronous Reluctance (SynRM)]: 1
• When you set b3-24, it will trigger the drive to initialize b3-14 [Bi-directional
Speed Search]. After you set b3-24, set b3-14.
1 : Speed Estimation
2 : Current Detection 2
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the length of time the drive will wait to start the Speed Search Retry function.
V/f OLV OLV/PM AOLV/PM EZOLV OLV/PM
Sets the level to find the motor rotation direction. Increase the value if the drive cannot
find the direction.
11.5 b: Application
Default
Ref.
(Range)
2.0 s 492
(0.1 - 10.0 s)
Determined by o2-04 493
(10 - 100)
0.2 s 493
(0.0 - 100.0 s)
Determined by o2-04 493
(0.0 - 2.0)
1.0 493
(0.0 - 3.0)
Determined by A1-02 493
and o2-04
(0.00 - 6.00)
Determined by A1-02 493
(0.0 - 1000.0 ms)
1.05 494
(1.00 - 1.20)
Determined by A1-02 494
and b3-24
(0, 1)
150% 494
(0 - 200%)
0.10 s 494
(0.00 - 1.00 s)
3 times 494
(0 - 10 times)
2 495
(1, 2)
0.5 s 495
(0.0 - 30.0 s)
1000 495
(40 to 60000)
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