![YASKAWA U1000 Series Скачать руководство пользователя страница 197](http://html.mh-extra.com/html/yaskawa/u1000-series/u1000-series_technical-manual_907114197.webp)
5.2 b: Application
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
197
5
■
b3-18: Speed Search Restart Detection Time (Speed Estimation Type)
Sets the time that the current must be greater than the level set in b3-17 before Speed Search can be restarted.
■
b3-19: Number of Speed Search Restarts (Speed Estimation Type)
Sets the number of times the drive should attempt to find the speed and restart the motor. If the number of restart attempts
exceeds the value set to b3-19, the SEr fault will occur and the drive will stop.
■
b3-24: Speed Search Method Selection
Sets the Speed Search method used.
In V/f, V/f w/PG, or OLV control modes, set this parameter to 2 (Current Detection Type Speed Search 2) when b3-50 is
0.1 or longer.
1: Speed Estimation
2: Current Detection 2
3: Speed Estimation 2
4: Current Detection 3
Note: 1.
Enable or disable Speed Search at start with b3-01 and Speed Search after momentary power loss with L2-01.
2.
Refer to
Current Detection Speed Search 2 (b3-24 = 2) on page 193
Current Detection Speed Search 3 (b3-24 = 4) on page 193
,
Speed Estimation Speed Search (b3-24 = 1) on page 193
, and
Speed Estimation Speed Search 2 (b3-24 = 3) on page 194
for details
on the Speed Search direction.
3.
Settings 3 and 4 are available in the drive software versions S1017 and later.
■
b3-25: Speed Search Wait Time (Speed Estimation Type)
Sets the wait time between Speed Search restarts. Increase the wait time if problems occur with overcurrent or if the SEr
fault occurs.
■
b3-27: Start Speed Search Select
Selects a condition to activate Speed Search Selection at Start (b3-01). Set this parameter to 1 when using a sequence in
which operation starts when the frequency reference exceeds the minimum output frequency while the Run command is
active.
Setting 0: Triggered when a Run command is issued (normal).
Setting 1: Triggered when an external baseblock is released.
No.
Name
Setting Range
Default
b3-18
Speed Search Restart Detection Time (Speed Estimation Type)
0.00 to 1.00 s
0.10 s
No.
Name
Setting Range
Default
b3-19
Number of Speed Search Restarts (Speed Estimation Type)
0 to 10
3
No.
<1> Setting range is determined by o2-04, Drive Model Selection. Range is 1, 2 in models 2
0028 to 2
0248 and 4
0011 to 4
0414. Range is 2
to 4 in models 4
0477 to 4
0930.
Parameter Name
Setting Range
Default
b3-24
Speed Search Method Selection
Determined by A1-02 and
o2-04
No.
Name
Setting Range
Default
b3-25
Speed Search Wait Time (Speed Estimation Type)
0.0 to 30.0 s
0.5 s
No.
Name
Setting Range
Default
b3-27
Start Speed Search Select
0, 1
0
SIEP_C710636_02B_1_0.book 197 ページ 2015年11月25日 水曜日 午後4時56分