4-253
Group 20 Speed Control Parameters
20- 00
ASR Gain 1
Range
【
0.00~250.00】
20- 01
ASR Integral Time 1
Range
【0.001~10.000】Sec
20- 02
ASR Gain 2
Range
【0.00~250.00】
20- 03
ASR Integral Time 2
Range
【0.001~10.000】Sec
20- 04
ASR Integral Time Limit
Range
【0~300】%
20- 07
Selection of Acceleration and Deceleration of P/PI
Range
【0】: PI speed control will be enabled only in constant speed. For accel/decel,
only use P control.
【1】: Speed control is enabled either in constant speed or accel/decal.
20- 08
ASR Delay Time
Range
【0.000~0.500 】Sec
20- 09
Speed Observer Proportional (P) Gain 1
Range
【0.00~2.55】
20- 10
Speed Observer Integral(I) Time 1
Range
【0.01~10.00】Sec
20- 11
Speed Observer Proportional (P) Gain 2
Range
【0.00~2.55】
20- 12
Speed Observer Integral(I) Time 2
Range
【0.01~10.00】Sec
20- 13
Low-pass Filter Time Constant of Speed Feedback 1
Range
【1~1000】mSec
20- 14
Low-pass Filter Time Constant of Speed Feedback 2
Range
【1~1000】mSec
20- 15
ASR Gain Change Frequency 1
Range
【0.0~599.0】Hz
20- 16
ASR Gain Change Frequency 2
Range
【0.0~599.0】Hz
20- 17
Torque Compensation Gain at Low Speed
Range
【0.00~2.50】
20- 18
Torque Compensation Gain at High Speed
Range
【-10~10】%
20-33
Constant Speed Detection Level
Range
【0.1~5.0】%
The following figure an overview of the automatic speed regulator (ASR) block.
SLV control mode:
The ASR function adjusts the output frequency to control the motor speed to minimize the difference
between the frequency reference and actual motor speed.
The ASR controller in SLV mode uses a speed estimator to estimate the motor speed. In order to reduce
speed feedback signal interference, a low-pass filter and speed feedback compensator can be enabled.
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