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6-15
·
Feedback-value Integral PID Control
In this control, the feedback integral value is used. The Inverter normally uses this con-
trol method. The response will be comparatively slow if the target value changes
because the feedback integral value is used. The stable control of the target is, how-
ever, possible.
Target value
Target of
control
Detected value (Feedback value)
·
Basic PID Control
This is the basic control method. The response will be quick if the target value changes
because the deviation integral value is used. If the target value changes rapidly, how-
ever, the control value of the derivative control block will be large. As a result, over-
shooting or undershooting may result.
Target value
Target of
control
Detected value (Feedback value)
·
Furthermore, 3G3MV Inverter can add the frequency reference to the operation result
of the PID control block.
If the target of control is motor speed, by adding the frequency reference, motor speed
control with high-speed response will be possible.
Do not add the frequency reference if the target of control is temperature or pressure.
Advanced Operation
Chapter 6
Summary of Contents for SYSDRIVE 3G3MV A2002
Page 1: ...USER S MANUAL SYSDRIVE 3G3MV Multi function Compact Inverter Cat No I527 E2 02...
Page 15: ...Chapter 1 Overview 1 1 Function 1 2 Nomenclature 1 3 New Features 1...
Page 24: ...Chapter 2 Design 2 1 Installation 2 2 Wiring 2...
Page 89: ...Chapter 4 Test Run 4 1 Procedure for Test Run 4 2 Operation Example 4...
Page 286: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9...
Page 311: ...Chapter 10 List of Parameters 10...
Page 342: ...Chapter 11 Using the Inverter for a Motor 11...
Page 348: ...Appendix A Standard Models...