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6-14
6-3-2 PID Control Operation
·
To simply explain the operation of proportional control, integral control, and derivative
control, the following graph is used to show that the output frequency changes while
the deviation (i.e., the difference between the target value and feedback value) is con-
stant.
Deviation
Control
value
Time
PID control
Integral
(I) control
Derivative
(D) control
Proportional (P)
control
Time
·
Proportional (P) Control
: The output is in proportion to the deviation. The deviation
cannot be set to 0 with proportional control only.
·
Integral (I) Control
: The output is the integral value of the deviation. This control
method makes the feedback value coincide with the target value effectively but cannot
catch up with a rapid change in deviation.
·
Derivative (D) Control
: The output is the derivative value of the deviation. This control
method quickly responds to a rapid change in deviation.
·
PID Control
: By combining the merits of the above control functions, ideal control is
possible.
6-3-3 Types of PID Control
·
Two types of PID control are available to the 3G3MV Inverter. Normally, feedback-
value integral PID control is used.
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...