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SJ100/L100 / PID / 2
CONTENTS
1. OVERVIEW 3
2. PID CONTROL ON SJ100/L100 INVERTERS 3
2-1 PID Control 3
(1) P : Proportional Control 4
(2) I : Integral Control 5
(3) D : Differential Control 5
(4) PID Control 5
2-2 PID Gain Adjustments & Control Characteristics 6
3. HOW TO USE 7
3-1 Structure & Parameters 7
(1) Control Mode 7
(2) Parameters 7
(3) Deviation Calculation 8
(4) Target Input 8
(5) Feedback Input & Setting PID Performance Area 8
(6) Scale Conversion 9
3-2 Summary of Parameters for PID Control 9
3-3 Examples of Set Up 11
(1) Parameter Set Up under Frequency Control Mode 11
(2) PID Set Up (Target & Feedback) 11
(3) Scale Conversion Factor Setting 12
(4) Target Input by Digital Input Signal 12
(5) PID Mode Selection 12
3-4 Example of Each Gain Adjustment (Kp & Ti) 13
(1) Adjustment of Proportional Gain (Kp) 13
(2) Adjustment of Integration time (Ti) & Readjustment of Kp 13
3-5 General Cautions 13
4. EXAMPLES OF ACTUAL APPLICATION 14
4-1 Constant Flow Control 14
4-2 Constant Temperature Control 15
5. INDEX 16