Process control

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WHAT IS AUTOMATIC CONTROL? 

• It is the foundation for efficient continues flow process. 

HOW DOES AUTOMATIC CONTROL DO THAT? 

• A control circuit is commonly referred for a loop. A control loop maybe classified as 

1. Open the control adjustment are manual setting

      2. Close the control adjustment are                              automatically determined by some types of            feedback controller. 

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TABLES OF CONTENTS:

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1. Introduction
2. Control concepts
3. Feedback control loop
4. Sensors
5. Signal transmitters
6. Controllers
7. Final control elements
8. Control loop modes

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