MEC 211 - Process Control Credits: 4 3 Lab Hours
Prerequisites: MEC 103
Description This course covers the fundamentals of process control and instrumentation as applied in industry for the control of level, flow, temperature and pressure. The concept of a control loop is introduced and each of the loop’s components are examined: sensor, controller, final element. Design, documentation, operation, performance tuning and troubleshooting of single loop systems are discussed. Learning Outcomes Upon successful completion of the course, the student will:
- Define process control and key components of operation, function and application.
- Use common symbols, line types, notations and indexes of a Process and Instrumentation Diagram (P&ID).
- Operate a loop controller.
- Connect current to pressure (I/P) converters for final control elements.
- Adjust a diaphragm actuated proportional valve.
- Convert between liquid level units, pressure units, sensor output units and display units.
- Operate ultrasonic level sensors in a closed loop system for level control.
- Configure electronic controllers to tank level control and alarming using an on/off algorithm and discrete inputs and outputs.
- Convert between velocity, volumetric and mass flow rate units.
- Measure flow using orifice plates, venture tubes and pitot tubes together with a differential pressure flow transmitter.
- Perform thermal energy calculations and conversions between temperature scales, energy units and power units.
- Connect transmitters for thermocouples, resistive temperature detectors (RTD’s) and thermistors.
Listed Topics
- Process control
- Piping and instrumentation diagrams
- Loop controllers
- Final control elements
- Level measurement
- Liquid level control
- Methods of automatic control
- Basic flow measurement and control
- Control loop performance
- Ultrasonic level measurement and control
- Differential pressure flow measurement and control
- Thermal energy
- Basic temperature control elements
- Temperature sensors
- Temperature transmitters
- Basic temperature control
Reference Materials Instructor-approved textbook and materials. Approved By: Bullock, Quintin Date Approved: 05/17/2017
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