6-48
Measured-value Derivative PID Control
With measured-value derivative PID control, the feedback value is differentiated for PID control. Re-
sponse is possible with respect to changes both in target values and the control object.
Target value
Control object
Feedback value
P
D
I
Basic PID Control
This is the basic form of PID control. When the D control response is adjusted to follow changes in the
control object, overshooting and undershooting can occur with changes in the target value.
Target value
Control object
Feedback value
P
I
D
D
Inverter’s PID Control Function
The following illustration is a block diagram of the Inverter’s internal PID control.
Frequency reference input
(voltage)
Multi-function analog
input or frequency ref-
erence input (current)
Multi-function analog
input or frequency ref-
erence input (current)
Frequency reference 1
Frequency reference
from Optional Card
Frequency reference 2 through 8
/Inching frequency
Multi-step reference
Other than H3-03 or
H3-09 set to C
Frequency reference
Target value
Feedback value
Advanced Operation
Chapter 6
Summary of Contents for SYSDRIVE 3G3FV
Page 1: ...USER S MANUAL High function General purpose Inverter SYSDRIVE 3G3FV Cat No I516 E1 4 ...
Page 16: ...Chapter 1 Introduction 1 1 Function 1 2 Nomenclature 1 3 New Functions 1 ...
Page 33: ...Chapter 2 Installation 2 1 Mounting 2 2 Wiring 2 ...
Page 112: ...Chapter 4 Trial Operation 4 1 Procedure 4 2 Operation Example 4 ...
Page 289: ...Chapter 7 Parameter Lists 7 1 Initialize Mode Parameters 7 2 Program Mode Parameter List 7 ...
Page 366: ...Chapter 9 Specifications 9 1 Inverter Specifications 9 2 Option Specifications 9 ...
Page 395: ...Chapter 10 Appendix 10 1 Notes on Using the Inverter for a Motor 10 ...