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gent line and time axis and the point of intersection of the tangent line and set point
line.
Response
Target value
Time
S
PID Parameter
The following PID parameters are calculated from the R, L, and T of intersection of
the tangent line and set point line as general rules.
Control
Proportional (P) gain
(n130)
Integral (I) time
(n131)
Derivative (D) time
(n132)
P control
0.3/RL
---
---
PI control
0.35/RL
1.2T
---
PID control 0.6/RL
T
0.5L
Note 1.
Obtain PID parameter values from the above method, set the PID parameters,
and tune in the PID parameter values precisely.
Note 2.
PID parameter values obtained from the above method may not be optimum if
the friction factor of the mechanical system is large or the rigidity of the mechan-
ical system is low.
H
Manual PID Adjustments
·
Perform the following procedure to adjust the PID parameter values of the Inverter per-
forming PID control by monitoring the response waveform.
1. Connect the load in the same way as the connection of the load to the Inverter in
normal operation.
2. Set n128 so that the Inverter will perform PID control.
3. Increase the proportional (P) gain in n130 within a range causing no vibration.
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...