204
YASKAWA
SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference
The drive uses the frequency reference to detect the direction of motor rotation.
1 : Enabled
The drive detects the direction of motor rotation during Speed Search.
■
b3-17: Speed Est Retry Current Level
No.
(Hex.)
Name
Description
Default
(Range)
b3-17
(01F0)
Expert
Speed Est Retry Current
Level
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%.
110%
(0 - 200%)
When a large quantity of current flows during Speed Estimation Speed Search, the drive temporarily stops operation
to prevent overvoltage and overcurrent. When the current is at the level set in
b3-17
, the drive tries speed search
again.
■
b3-18: Speed Est Retry Detection Time
No.
(Hex.)
Name
Description
Default
(Range)
b3-18
(01F1)
Expert
Speed Est Retry Detection
Time
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.
0.10 s
(0.00 - 1.00 s)
When the current is more than the level set in
b3-17 [Speed Est Retry Current Level]
during the time set in
b3-18
, the
drive tries speed search again.
■
b3-19: Speed Search Restart Attempts
No.
(Hex.)
Name
Description
Default
(Range)
b3-19
(01F2)
Speed Search Restart
Attempts
Sets the number of times to restart Speed Search if Speed Search does not complete.
3 times
(0 - 10 times)
If the drive does the number of Speed Search restarts set in this parameter, it will trigger an
SEr [Speed Search Retries
Exceeded]
error.
■
b3-24: Speed Search Method Selection
No.
(Hex.)
Name
Description
Default
(Range)
b3-24
(01C0)
Speed Search Method
Selection
Sets the Speed Search method when you start the motor or when you return power after a momentary
power loss.
2
(1, 2)
Note:
Set
b3-24 = 1
. If
b3-24 = 2
, the drive will detect
oPE08 [Parameter Selection Error]
.
Set
b3-01 = 1 [Speed Search at Start Selection = Enabled]
to do Speed Search at start. Set
L2-01 = 1 [Power Loss
Ride Through Select = Enabled for L2-02 Time]
to do Speed Search after you restore power after a momentary power
loss.
1 : Speed Estimation
The drive uses the residual voltage from a short baseblock time to estimate the motor speed.
If there is not sufficient residual voltage, then the drive will inject DC current into the motor to estimate the motor
speed.
2 : Current Detection 2
The drive will inject DC current into the motor to estimate motor speed.
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Страница 454: ...5 14 Z Bypass Parameters 454 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 590: ...8 6 Storage Guidelines 590 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 694: ...9 19 Defaults by Bypass and Drive Model 694 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 768: ...10 6 MEMOBUS Modbus Communications 768 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...
Страница 780: ...11 3 European Standards 780 YASKAWA SIEPYAIH6B01A HV600 AC Drive Bypass Technical Reference...