YASKAWA U1000 Series - N: Special Adjustments

B.3 Parameter Table
514 YASKAWA ELECTRIC SIEP C710636 02B YASKAWA U1000 Technical Manual
◆ n: Special Adjustments
The n parameters are used to adjust more advanced performance characteristics such as Hunting Prevention, speed
feedback detection, and Online Tuning for motor line-to-line resistance.
■
n1: Hunting Prevention
■ n2: Speed Feedback Detection Control (AFR) Tuning
■ n3: Overexcitation Braking
No. (Addr.) Name Description Setting Page
n1-01
(580H)
<6> Default setting value varies by the drive model (o2-04).
Hunting Prevention Selection
0: Disabled
1: Enabled
Default: 1
Min: 0
Max: 1
321
n1-02
(581H)
Hunting Prevention Gain Setting
If the motor vibrates while lightly loaded, increase the gain by 0.1 until vibration ceases. If the
motor stalls, decrease the gain by 0.1 until the stalling ceases.
Default: 1.00
Min: 0.00
Max: 2.50
321
n1-03
(582H)
Hunting Prevention Time Constant
Sets the time constant used for Hunting Prevention.
Default:
<6>
Min: 0 ms
Max: 500 ms
321
n1-05
(530H)
Hunting Prevention Gain while in
Reverse
Sets the gain used for Hunting Prevention. If set to 0, the gain set to n1-02 is used for operation
in reverse.
Default: 0.00
Min: 0.00
Max: 2.50
321
n1-09
(0BADH)
Vibration Suppression Level
There is normally no need to change this parameter from the default value.
Note: This parameter is available in the drive software versions S1017 and later.
Default: 2.00
Min: 0.00
Max: 10.00
321
n1-10
(0BAEH)
Suppression Frequency
There is normally no need to change this parameter from the default value.
Note: This parameter is available in the drive software versions S1017 and later.
Default: 10.0 Hz
Min: 5.0 Hz
Max: 100.0 Hz
322
n1-11
(0BAFH)
Suppression Auxiliary Frequency
There is normally no need to change this parameter from the default value.
Note: This parameter is available in the drive software versions S1017 and later.
Default: 20.0 Hz
Min: 10.0 Hz
Max: 50.0 Hz
322
n1-12
(0B1BH)
Vibration Suppression Time
Constant
There is normally no need to change this parameter from the default value.
Note: This parameter is available in the drive software versions S1017 and later.
Default: 0 ms
Min: 0 ms
Max: 1000 ms
322
No. (Addr.) Name Description Setting Page
n2-01
(584H)
Speed Feedback Detection Control
(AFR) Gain
Sets the internal speed feedback detection control gain in the automatic frequency regulator
(AFR).
If hunting occurs, increase the set value. If response is low, decrease the set value.
Default: 1.00
Min: 0.00
Max: 10.00
322
n2-02
(585H)
Speed Feedback Detection Control
(AFR) Time Constant 1
Sets the time constant used for speed feedback detection control (AFR).
Default: 50 ms
Min: 0 ms
Max: 2000 ms
322
No. (Addr.) Name Description Setting Page
n3-13
(531H)
Overexcitation Deceleration Gain
Sets the gain applied to the V/f pattern during Overexcitation Deceleration (L3-04 = 4).
Default: 1.10
Min: 1.00
Max: 2.00
323
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
All Modes
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
OLV/PM AOLV/PM
CLV
V/f w/PG
CLV/PM
V/f OLV
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