■ n5: Feed Forward Control
■ n6: Online Tuning
■ n8: PM Motor Control Tuning
No. (Addr.) Name Description Setting Page
n5-01
(5B0H)
<9> Default setting value is dependent on the drive model (o2-04) and the Drive Duty (C6-01).
<14> Default setting value is dependent on the motor code set to E5-01.
Feed Forward Control Selection
0: Disabled
1: Enabled
Default: 0
Min: 0
Max: 1
279
n5-02
(5B1H)
Motor Acceleration Time
Sets the time required to accelerate the motor at the rated torque from stop to rated speed.
Default:
<9> <14>
Min: 0.001 s
Max: 10.000 s
279
n5-03
(5B2H)
Feed Forward Control Gain
Sets the ratio between motor and load inertia. Lower this setting if overshoot occurs at the end
of acceleration.
Default: 1.00
Min: 0.00
Max: 100.00
280
No. (Addr.) Name Description Setting Page
n6-01
(570H)
Online Tuning Selection
0: Disabled
1: Line-to-line resistance tuning
2: Voltage correction. Setting not possible when Energy Saving is enabled (b8-01).
Default: 2
Min: 0
Max: 2
280
n6-05
(5C7H)
Online Tuning Gain
Decrease this setting for motors with a relatively large rotor time constant.
If overload occurs, increase this setting slowly in increments of 0.10.
Default: 1.00
Min: 0.10
Max: 5.00
281
No. (Addr.) Name Description Setting Page
n8-01
(540H)
Initial Rotor Position Estimation
Current
Sets the current used for initial rotor position estimation as a percentage of the motor rated
current (E5-03). If the motor nameplate lists an “Si” value, that value should be entered here.
Default: 50%
Min: 0%
Max: 100%
281
n8-02
(541H)
Pole Attraction Current
Sets the current during initial polar attraction as a percentage of the motor rated current. Enter a
high value when attempting to increase starting torque.
Default: 80%
Min: 0%
Max: 150%
281
n8-35
(562H)
Initial Rotor Position Detection
Selection
0: Pull-in
1: High frequency injection
2: Pulse injection
Default: 1
Min: 0
Max: 2
281
n8-45
(538H)
Speed Feedback Detection Control
Gain
Increase this setting if hunting occurs. Decrease to lower the response.
Default: 0.80
Min: 0.00
Max: 10.00
282
n8-47
(53AH)
Pull-In Current Compensation
Time Constant
Sets the time constant to make the pull-in current reference and actual current value agree.
Decrease the value if the motor begins to oscillate, and increase the value if it takes too long for
the current reference to equal the output current.
Default: 5.0 s
Min: 0.0 s
Max: 100.0 s
282
n8-48
(53BH)
Pull-In Current
Defines the d-axis current reference during no-load operation at a constant speed. Set as a
percentage of the motor rated current. Increase this setting if hunting occurs while running at
constant speed.
Default: 30%
Min: 20%
Max: 200%
282
n8-49
(53CH)
d-Axis Current for High Efficiency
Control
Sets the d-axis current reference when running a high load at constant speed. Set as a percentage
of the motor rated current.
Default:
<14>
Min: -200.0%
Max: 0.0%
282
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