YASKAWA U1000 - Page 497

No.
(Addr
Hex.)
Name LCD Display Description Values Page
b3-18
(01F1)
Speed Search Restart
Detection Time
(Speed Estimation Type)
SrchRestart 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
201
b3-19
(01F2)
Number of Speed Search
Restarts
(Speed Estimation Type)
Num of SrchRestr
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
202
b3-24
(01C0)
Speed Search Method
Selection
SpdSrch Method
1: CurrentDetection
2: Speed Estimation
3: Speed Estimation2
4: CurrentDetection3
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV
1: Current Detection
2: Speed Estimation
3: Speed Estimation 2
<4>
4: Current Detection 3
<4>
Default:
<3>
Range:
<5>
202
b3-25
(01C8)
Speed Search Wait Time
(Speed Estimation Type)
SpdSrch WaitTime
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
202
b3-27
(01C9)
Start Speed Search
Select
SPD Search By AI
0: start from 0
1: start SPD
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
Selects a condition to activate Speed Search Selection at Start
(b3-01) or External Speed Search Command 1 or 2 from the
multi-function input.
0: Triggered when a Run command is issued (normal).
1: Triggered when an external baseblock is released.
Default: 0
Range: 0, 1
202
b3-29
(077C)
Speed Search Induced
Voltage Level
SpdSrch Ind Vlvl
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLV
Performs Speed Search when the motor induced voltage
exceeds the set level.
There is normally no need to change this parameter from the
default value, but if changes are necessary, try lowering this
value in small increments. When set too low, the drive will not
perform Speed Search.
Default: 10%
Min.: 0
Max.: 10
202
b3-31
(0BC0)
Speed Search Operation
Current Level 1 (Current
Detection 1)
Search (I2) Lvl1
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f OLV
Set the current level to use to limit the output current during a
Speed Search.
Default: 1.50
Min.: 1.50
Max.: 3.50
202
b3-32
(0BC1)
Speed Search Operation
Current Level 2 (Current
Detection 2)
Search (I2) Lvl2
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f OLV
Set the current level at which to end the Speed Search for
Current Detection Type Speed Search 2.
Default: 1.20
Min.: 0.00
Max.: 1.49
203
b3-33
(0B3F)
Speed Search Selection
when Run Command is
Given during Uv
SpdSrch Start UV
0: Disabled
1: Enabled
All Modes
Activates and deactivates Speed Search at start in accordance
with whether a Run command was issued during an
undervoltage (Uv) condition. Function is active when a
momentary power loss (L2-01 = 1 or 2), Speed Search at start
(b3-01 = 1), and coasting to a stop (b1-03 = 1) are enabled.
0: Disabled
1: Enabled
Default: 0
Range: 0, 1
203
b3-50
(0BC7)
Backspin Search
Direction Judgment
Time 1
Bkspin Srch Time1
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV
Adjusts the direction of Speed Search to allow for backspin.
Default: 0.0 s
Min.: 0.0
Max.: 10.0
203
b3-51
(0BC8)
Backspin Search
Direction Judgment
Time 2
Bkspin Srch Time2
Default: 0.0 s
Min.: 0.0
Max.: 10.0
203
b3-52
(0BC9)
Backspin Search
Deceleration Time 1
BkspinSrchDecel1
V/f
OLV/PM
V/f w PG
AOLV/PM
OLV
CLV/PM
CLVV/f V/f w PG OLV
Sets the search frequency deceleration rate when searching from
the direction command when the momentary power loss time is
shorter than the time set in b3-50.
Default: 2.0 s
Min.: 0.1
Max.: 10.0
205
B.4 b: Application
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
497
B
Parameter List