YASKAWA AC Drive-A1000 User Manual

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b3: Speed Search
OLV/PMOLV/PM AOLV/PMAOLV/PM CLV/PMCLV/PM
PM motor control modes are not available on 600 V class drives, CIMR-Ao5oooooooo.
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:
<1>
Range: 0, 1
138
b3-02
(192)
Speed Search Deactivation
Current
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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:
<1>
Min.: 0%
Max.: 200%
139
b3-03
(193)
Speed Search Deceleration
Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f OLV
Sets output frequency reduction time during Speed Search.
Default: 2.0 s
Min.: 0.1
Max.: 10.0
139
b3-04
(194)
V/f Gain during Speed
Search
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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.
Default:
<2>
Min.: 10%
Max.: 100%
139
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
139
b3-06
(196)
Output Current 1 during
Speed Search
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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:
<2>
Min.: 0.0
Max.: 2.0
139
b3-10
(19A)
Speed Search Detection
Compensation Gain
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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
139
b3-14
(19E)
Bi-Directional Speed Search
Selection
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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:
<1>
Range: 0, 1
139
b3-17
(1F0)
Speed Search Restart
Current Level
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f OLV
Sets the Speed Search restart current level as a percentage of the drive rated
current.
Default: 150%
Min.: 0
Max.: 200
140
b3-18
(1F1)
Speed Search Restart
Detection Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f OLV
Sets the time to detect Speed Search restart.
Default: 0.10 s
Min.: 0.00
Max.: 1.00
140
b3-19
(1F2)
Number of Speed Search
Restarts
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/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
140
b3-24
(1C0)
Speed Search Method
Selection
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV
0: Current Detection
1: Speed Estimation
Default: 0
Range: 0, 1
140
b3-25
(1C8)
Speed Search Wait Time
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f
OLV/PM AOLV/PM
OLV
Sets the time the drive must wait between each Speed Search restart attempt.
Default: 0.5 s
Min.: 0.0
Max.: 30.0
140
<1> Default setting is determined by parameter A1-02, Control Mode Setting.
B.4 b: Application
386
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual

YASKAWA AC Drive-A1000 Specifications

General

Brand	YASKAWA
Model	AC Drive-A1000
Category	Controller
Language	English