u
b3: Speed Search
No.
(Addr
Hex.)
Name
Description
Values
Page
b3-01
(191)
Speed Search Selection at
Start
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
0: Disabled
1: Enabled
Default:
Range: 0, 1
b3-02
(192)
Speed Search Deactivation
Current
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV
Sets the current level at which the speed is assumed to be detected and Speed
Search is ended. Set as a percentage of the drive rated current.
Default:
Min.: 0%
Max.: 200%
b3-03
(193)
Speed Search Deceleration
Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV
Sets output frequency reduction time during Speed Search.
Default: 2.0 s
Min.: 0.1
Max.: 10.0
b3-04
(194)
V/f Gain during Speed
Search
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
V/f w PG
Determines how much to lower the V/f ratio during Speed Search.
Output voltage during Speed Search equals the V/f setting multiplied by b3-04.
Note:
Available control mode for parameter b3-04 varies by drive
model:
CIMR-A
o
2A0004 to 2A0415, 4A0002 to 4A0675, and
5A0003 to 5A0242: Available when A1-02 = 0, 1
CIMR-A
o
4A0930 and 4A1200: Available when A1-02 = 0
Default:
Min.: 10%
Max.: 100%
b3-05
(195)
Speed Search Delay Time
All Modes
When using an external contactor on the output side, b3-05 delays executing
Speed Search after a momentary power loss to allow time for the contactor to
close.
Default: 0.2 s
Min.: 0.0
Max.: 100.0
b3-06
(196)
Output Current 1 during
Speed Search
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
V/f w PG
OLV
Sets the current injected to the motor at the beginning of Speed Estimation
Speed Search. Set as a coefficient for the motor rated current.
Default:
Min.: 0.0
Max.: 2.0
b3-10
(19A)
Speed Search Detection
Compensation Gain
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV
Sets the gain which is applied to the speed detected by Speed Estimation Speed
Search before the motor is reaccelerated. Increase this setting if ov occurs
when performing Speed Search after a relatively long period of baseblock.
Default: 1.05
Min.: 1.00
Max.: 1.20
b3-14
(19E)
Bi-Directional Speed Search
Selection
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
V/f w PG
OLV
0: Disabled (uses the direction of the frequency reference)
1: Enabled (drive detects which way the motor is rotating)
Default:
Range: 0, 1
b3-17
(1F0)
Speed Search Restart
Current Level
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV
Sets the Speed Search restart current level as a percentage of the drive rated
current.
Default: 150%
Min.: 0
Max.: 200
b3-18
(1F1)
Speed Search Restart
Detection Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV
Sets the time to detect Speed Search restart.
Default: 0.10 s
Min.: 0.00
Max.: 1.00
b3-19
(1F2)
Number of Speed Search
Restarts
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
OLV/PM
AOLV/PM
OLV
Sets the number of times the drive can attempt to restart when performing
Speed Search.
Default: 3
Min.: 0
Max.: 10
b3-24
(1C0)
Speed Search Method
Selection
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
V/f
V/f w PG
OLV
0: Current Detection
1: Speed Estimation
Default: 0
Range: 0, 1
A.4 b: Application
242
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
Summary of Contents for A1000 HHP
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