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5-43
D
Adjusting ASR Integral Time 1 (C5-02)
This parameter sets the speed control loop’s integral time. Lengthening the integral time lowers the re-
sponsiveness, and weakens the resistance to external influences. Vibration will occur if this setting is
too short.
The following diagram shows changes that occur in the response when the ASR integral time is
changed.
Motor speed
Short integral time
Time
Long integral time
H
Different Gain Settings for Low-speed/High-speed
Switch between low-speed and high-speed gain when vibration occurs because of resonance with the
mechanical system at low speed or high speed.
D
Setting the Gain Switching Frequency (C5-07)
Set the switching frequency to about 80% of the motor’s operating frequency or the frequency at which
vibration occurs.
D
Low-speed Gain Adjustments (C5-03 and C5-04)
•
Connect the actual load and adjust these parameters at zero-speed.
•
Increase ASR proportional gain 2 (C5-03) until there is no vibration.
•
Decrease ASR integral time 2 (C5-04) until there is no vibration.
D
High-speed Gain Adjustments (C5-01 and C5-02)
•
Adjust these parameters at normal operating speed.
•
Increase ASR proportional gain 1 (C5-01) until there is no vibration.
•
Decrease ASR integral time 1 (C5-02) until there is no vibration.
•
Refer to
Fine Adjustments on page 5-41 for details on making fine adjustments of high-speed opera-
tion.
Basic Operation
Chapter 5
Содержание SYSDRIVE 3G3FV
Страница 1: ...USER S MANUAL High function General purpose Inverter SYSDRIVE 3G3FV Cat No I516 E1 4 ...
Страница 16: ...Chapter 1 Introduction 1 1 Function 1 2 Nomenclature 1 3 New Functions 1 ...
Страница 33: ...Chapter 2 Installation 2 1 Mounting 2 2 Wiring 2 ...
Страница 112: ...Chapter 4 Trial Operation 4 1 Procedure 4 2 Operation Example 4 ...
Страница 289: ...Chapter 7 Parameter Lists 7 1 Initialize Mode Parameters 7 2 Program Mode Parameter List 7 ...
Страница 366: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9 ...
Страница 395: ...Chapter 10 Appendix 10 1 Notes on Using the Inverter for a Motor 10 ...