Troubleshooting Instrumentation and Control Systems

Troubleshooting Instrumentation and Control Systems (TC10)

This course presents a systematic approach to troubleshooting and start-up of single- and multi-loop control loops. You'll see how pressure, level, flow, and temperature loops operate to maintain good process control systems. Knowledge of instrumentation and control is assumed.

2 Days Duration
1.4 Credits
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ISA 

Upcoming Dates

Date Time Location
September 2 - 3, 2021

8:00 AM - 4:00 PM

Appleton

You will be able to:

  • Develop a systematic approach to troubleshooting
  • Identify why a systematic approach to troubleshooting is most effective
  • Follow specified procedures for proper loop check-out
  • Verify, locate, and identify performance problems and the causes of the problems
  • Take or recommend appropriate follow-up procedures to minimize problem recurrence
  • Identify the common causes of sensor, transmitter, controller, and final control element problems
  • Troubleshoot control systems
  • Apply distributed control system (DCS) functions for troubleshooting
  • Interpret pneumatic and electronic loops
  • Apply safety practices for start-up
  • Check and utilize control loop documentation
  • Discuss applications and procedures to troubleshoot conventional analog control systems
  • State the general operation features of a HARTTM control system
  • State the general operations features of a FIELDBUS control system
  • Compare general troubleshooting procedures for conventional, FIELDBUS, and HARTTM control systems 

  

Classroom/Laboratory Exercises:

  • Diagnose and solve problems with single-loop control loops
  • Diagnose and solve problems with ratio, cascade, and three-element control loop systems
  • Diagnose problems using DCS displays for information  
  • Troubleshoot several single control loop problems

Recommended Resources:Troubleshooting: A Technician's Guide, 2nd Edition

You will cover:

  • Introduction: Purpose of Troubleshooting | Reasons for Troubleshooting
  • Approaches to Troubleshooting: Equipment History | Input/Output (Serial) | Shotgun Approach | Logical Analysis
  • Logical Analysis Troubleshooting: Verify | Identify | Repair | Test | Follow-up on Problems
  • Review of ISA Standard Diagrams and Symbols: Process and Instrument Drawings | Loop Drawings | Process Flow Diagrams
  • Single-Loop Feedback Control Troubleshooting: Measurement Concerns | Valve Concerns | Controller Operations | Signal Conditioners | Troubleshooting Simulation
  • Multi-Loop Control Systems Troubleshooting: Ratio (Controlled Stream, Wild Stream) | Cascade (Primary and Secondary Loop) | Three-Element Drum Level Control | Troubleshooting Simulation
  • Introduction to Digital Control Systems: Advantages | Digital Control (DDC) | Supervisory | Supervisory Plus DDC | Analog Back-up | HARTTM Systems | FIELDBUSTM Systems
  • Distributed Control Functions for Troubleshooting: Elements | Displays (Graphic, Trend, Alarm)
  • Start-up Concerns: Safety | Documentation | Tuning Review | Component Check-out

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