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PC-600-2 - Introduction to Instrumentation and Process Control for Non-Specialists


Description

This course offers an overview of process control systems.

It will allow you to understand:

  • Important concepts like open and closed loops, feedback, PID controllers, transmitters, pneumatic valves, performance, controller modes, etc.
  • How to set industrial process control in a plant context
  • The role and functions of equipments
  • The different objectives of a control loop and the main objective of some loops
  • The advantages of cascade and feedforward control
  • How to recognize faulty loops

Who should attend

Anyone concerned with the process performance: managers, supervisors, superintendents, production managers, engineers.

Objectives

General:

  • Study the basic principles
  • Sketch the information flow from the process to the control room, and from the control room to the process
  • Distinguish open and closed loops
  • Choose the appropriate performance criteria
  • Describe tuning objectives and process types
  • Recognize process flaws
  • Pinpoint problems
Process:
  • Explain control strategies for simple processes
  • Describe the consequences of a transmitter failure (3 cases)
  • Describe the impacts (upstream and downstream) of a loop forgotten in manual mode (3 cases)
Metrology:
  • Describe the major transmitter types: flow, level, temperature, pressure
  • Enumerate the impacts of common faults with transmitters
Final control elements:
  • Describe the major types of final control elements
  • Classify control valves based on: actuators, security, type (gate, globe...), etc.
  • Justify the use of a positionner on control valves
  • Enumerate the impacts of common problems with transmitters
Tuning:
  • Describe the data needed for process modeling (done by Matrikon Control Performance Monitor or by hand)
  • Describe the PID controller role
  • Start-up a simple loop
  • Describe different modes: manual, automatic, cascade
Matrikon Taiji and Matrikon Control Performance Monitor:
  • Describe how data is collected
  • Enumerate results and diagnostics obtained from TaiJi and Control Performance Monitor
  • Interpret diagnostics and numbers
  • Drill down simple problems

Schedule

From 8:30 am to 12:00 pm and from 1:00 pm to 4:30 pm, each day.

Content

Introduction:

  • Control loops
  • Noise, disturbances, load
  • Performance criteria
  • Tuning objectives of processes
  • Process flaws
Metrology:
  • Measurement chain
  • Pressure, level, temperature, and flow measurement
  • Transmitters
  • Installation
Final control elements:
  • Economical aspects
  • Importance of final control elements
  • Performances and characteristics
  • Actuators
  • Positioners
  • Installation and maintenance
  • Fail-safe action controller direction
  • Other final control elements
Controllers and tuning:
  • Four parameters (PIDF), four numbers, based on the process dynamics (process model)
  • Loop objectives: follow SP, minimize errors, react slowly, synchronize with another loop, etc.
  • Intuitive tuning vs. Matrikon Control Performance Monitor tools
  • Importance of delay
  • When should a loop be retuned?
  • Cascade and feedforward control strategies
Matrikon Control Performance Monitor:
  • Web browser interface
  • Reports
  • Drilling down

Location

On site or off site.

Material
  • Fundamentals of process control, Michel Ruel, Levis, QC, 1995, 292 p.
  • Hand-outs
Live demos
  • Matrikon TaiJi
  • Matrikon Control Performance Monitor
  • Matrikon Control Performance Optimizer