PLC Elementary and Control Loops
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PLC Elementary and Control Loops Course
Introduction:
This comprehensive 5-day course aims to provide you with a strong foundation in the fundamentals of Process Control and equip you and/or your staff with the latest techniques for tuning Industrial Control Loops. The course emphasizes practical application and minimizes reliance on complex mathematics and formulas.
Course Objectives:
By completing this training course, participants will be able to:
- Understand the fundamentals of Process Control
- Know the fundamentals of tuning loops - both open and closed-loop
- Get the best PID settings right first time
- Know where to troubleshoot to achieve optimally tuned control loops
- Be able to apply step-by-step descriptions of the best field-proven tuning procedures
- Know the typical procedures for troubleshooting tuning problems
- Tune more control loops in less time with consistently excellent results
- Be able to apply the practical rules of thumb for tuning systems
Who Should Attend?
This course is intended for all Instrumentation & Control Engineers, Process Control Engineers, Mechanical Engineers & Technicians, System Integrators, Consultants, Operators Monitoring & Controlling Processes, Installation & Maintenance Technicians as well as Energy Management Consultants, Electrical Engineers, Electricians, and Automation Engineers.
Course Outlines:
Introduction & BASIC CONTROL CONCEPTS
- Typical Manual Control
- Feedback and Feedforward Control
- Block Diagrams
INTRODUCTION TO INSTRUMENTATION
- Selection and Specification of devices
- Pressure Measurement
- Flow Measurement
- Level Measurement
- Temperature Measurement
Introduction to Control Valves
- Basic Principles
- Rotary Control Valves
- Ball Valves
- Characteristics and Specifications
FUNDAMENTALS OF PROCESS CONTROL
- Processes, controllers, and tuning
- PID controllers - P, I, and D modes of operation
- Load disturbances and offset
- Speed, stability, and robustness
- Gain, dead time, and time constants
- Process noise
- Feedback controllers
- How to select feedback controller modes
- Practical Session
Fundamentals of Tuning
- Open-loop characterization of process dynamics
- Default and typical settings
- The general-purpose closed-loop tuning method
- The quick and easy-open loop method
- Fine-tuning for different process types
- Simplified lambda tuning
- Practical Session
THE DIFFERENT TUNING RULES
- Ten different rules compared
- Tables of typical tuning settings
- When to use them/when not to use them
- Rules of thumb in tuning
- Practical Session
TUNING OF VALVES
- Hysteresis
- Stiction
- Practical Session
AUTOMATED TUNING
- Self-tuning loops
- Adaptive control
- Practical Session
TUNING OF MORE COMPLEX SYSTEMS
- Cascade systems - tuning of them
- Feedforward, ratio, multivariable systems
- Interactive loops tuning
- Deadtime compensation
- Practical limitations
- Practical Session
GOOD PRACTICE
- Good practice for common loop problems
- Flow control loop characteristics
- Level control loop characteristics
- Temperature control loop characteristics
- Pressure control loop characteristics
- Other less common loops