Unit 3418: Instrumentation and Process Control Systems

1. Principles of Process Control

• Introduction to process control
• Feedback control loops
  • Open vs. closed loop systems
  • Components: setpoints, controllers, sensors
• Types of controllers (PID, ON/OFF)
• Control strategies and their applications

2. Instrumentation Devices and Sensors

• Overview of instrumentation in industrial settings
• Pressure transmitters
  • Types and working principles
• Level sensors
  • Ultrasonic, capacitance, float level sensors
• Flow meters
  • Differential pressure, electromagnetic, turbine, ultrasonic
• Temperature probes
  • Thermocouples, RTDs, infrared sensors

3. Control Systems and Components

• Programmable Logic Controllers (PLCs)
  • Architecture and programming basics
• Supervisory Control and Data Acquisition (SCADA)
  • Functions and system components
• Distributed Control Systems (DCS)
  • Structure and industrial applications
• Integration of control systems

4. Calibration and Maintenance Procedures

• Importance of calibration
• Calibration techniques for sensors and instruments
• Developing maintenance schedules
• Preventive vs. corrective maintenance
• Documentation and record keeping

5. Safety Procedures in Instrumentation and Control

• Safety hazards in instrumentation work
• Emergency shutdown procedures
• Lockout/Tagout (LOTO) protocols
• Hazardous area classifications and requirements
• Personal protective equipment (PPE) and safe handling

6. Troubleshooting and Problem-Solving Techniques

• Common instrumentation and control system faults
• Systematic troubleshooting approach
• Diagnosing sensor malfunctions
• Communication errors in control systems
• Control loop tuning and optimization

7. Process Optimization and Efficiency

• Principles of process optimization
• Advanced control techniques (feedforward, cascade control)
• Data analysis for process improvement
• Continuous improvement initiatives (Kaizen, Six Sigma)
• Case studies of efficiency improvements

8. Industry Standards and Regulations

• Overview of relevant standards
  • ISA standards (e.g., ISA-5.1, ISA-18.2)
  • OSHA guidelines for instrumentation and control
• Compliance requirements
• Documentation and audit preparation
• Impact of standards on system design and maintenance