Yaskawa CIMR-LU Drives - Manual (Page 194)

B Parameter Table
194 YASKAWA ELECTRIC TOEP C710616 38F YASKAWA AC Drive L1000A Quick Start Guide
◆ n: Advanced Performance Set-Up
The n parameters are used to adjust more advanced performance characteristics such as speed feedback detection, Online
Tuning for motor line-to-line resistance, and PM motor control tuning.
■ n1: Hunting Prevention
■ n2: Speed Feedback Detection Control (AFR) Tuning
■ n5: Inertia Compensation
■ n6: Online Tuning
No. Name Description Setting
n1-08
<45>
<45> Available in drive software versions PRG: 7200 or later.
Leakage Current Vibration
Control Selection 0: Method 1
1: Method 2
Default: 0
Min: 0
Max: 1
No. Name Description Setting
n2-01
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
n2-02
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
n2-03
Speed Feedback Detection
Control (AFR) Time
Constant 2
Sets the AFR time constant to be used during regen.
Default: 750 ms
Min: 0 ms
Max: 2000 ms
No. Name Description Setting
n5-01
<4> Default setting value is dependent on the drive model (o2-04).
Inertia Compensation
Selection 0: Disabled
1: Enabled
Default: 0
Min: 0
Max: 1
n5-02 Motor Acceleration Time
Sets the time required to accelerate the motor at 100% torque from 0 to the nominal
speed.
Default:
<4>
Min: 0.001 s
Max: 10.000 s
n5-03 Inertia Compensation 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
n5-07
Speed Feedback
Compensation Selection
0: Disabled
1: Enabled
2: Test Mode Default: 1
Min: 0
Max: 2
n5-08
Speed Feedback
Compensation Gain (P)
Sets the proportional gain for the Speed Feedback Compensation.
Default: 12.00
Min: 0.00
Max: 300.00
No. Name Description Setting
n6-01 Online Tuning Selection
0: Disabled
1: Line-to-line resistance tuning
2: Voltage correction. Default: 2
Min: 0
Max: 2
n6-05 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 0.1.
Default: 1.0
Min: 0.1
Max: 50.0
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