Process Instrumentation & Control Practical Process Measurement

Process Instrumentation & Control Practical Process Measurement

OBJECTIVES

• Investigate the operation of an instrumentation system through designing, building and testing typical sensor combined with appropriate signal conditioning circuits,
• Be familiar with a range of measurement techniques
• Understand the concepts of process control and acquire the knowledge relating to the characteristics and properties of a process variable being measured
• Understanding of the concepts of instrumentation and measurement
• The characteristics and properties of the variables being measured.
• Understanding of the process control systems and methods used in a modern industrial system.
• Understand the principles and practice of a range of sensors and transducers
• tohave the confidence and knowledge to apply the above techniques and principles to solve an unfamiliar and bespoke measurement situation in the workplace
• to disseminate and share experience and knowledge with other delegates through open session discussions hence broadening the knowledge base of all
• familiar and knowledgeable with PID control and develop the ability to ‘tune’ a process control system using PID control

WHO SHOULD ATTEND?

• Instrument and process control engineers and technicians
• Instrument engineers
• Installation and maintenance technicians
• Mechanical engineers and technicians
• Operations engineers and system integrators. Electrical engineers
• Foremen instrumentation

COURSE OUTLINE

• Sensors
• Transducers
• Instrumentation systems
• Hysteresis
• Repeatability
• Sensitivity
• Resolution
• Span and response time
• Process variables:
• Mass flow volumetric flow rate
• Pressure
• Viscosity
• Turbidity

• Devices, principle of operation, application and installation considerations of:
• Diaphragms
• Bellows
• Capacitive devices
• Fiber optic pressure measurement techniques
• Principles of flow measurement
• Reynolds number
• Devices; principle of operation, application and installation considerations of invasive types:
• Coriolis flow meter
• Differential pressure type flow meters:
• orifice plate, venturi tube, flow nozzle and dall flow tube
• Devices, principle of operation, application and installation considerations of Non invasive types:
• Electromagnetic flow meters Temperature scales
• Devices; principle of operation, application and installation considerations of:
• Resistance temperature detectors (RTD’s)
• Thermistors
• Thermocouples
• Radiation pyrometers
• Principle of single point and continuous level measurement techniques
• Direct and indirect level measurement technique
• Devices; principle of operation, application and installation considerations of:
• Ultrasonic techniques
• Capacitive techniques
• Pressure techniques
• Principles and applications of Ultrasonic techniques for non-invasive measurement
• Doppler shift and transit techniques
• Principle of operation, application and installation considerations of Non-invasive flow measurement
• Ultrasonic flow
• Control strategies
• Block diagram representation
• Control components
• Servomechanisms and regulators
• Open and closed loop systems
• Negative feedback (NFB)
• Transfer functions: 1st and 2nd order systems
• Transfer functions and closed loop systems
• On/off control: Two step control action
• Proportional control
• Proportional band vs. proportional gain
• Proportional offset
• Reset
• Integral action
• Integral windup
• Derivative action
• PID control
• Sliding stem valves
• Rotary valves
• Control valve selection and sizing
• Control valve characteristics/trim
• Control valve noise and cavitation
• Actuators and positioners operation
• Valve calibration and stroking
• Installation considerations
• Impact on the overall control loop
• The new smart instrument and field bus
• Transmitters
• Noise and earthing considerations
• Materials of construction
• Linearization
• Stability
• System response
• Bode plot
• Nyquist plot
• Load disturbances and offset
• Empirical methods of setting controllers
• Open loop reaction curve method (Ziegler-Nichols)
• Default and typical settings
• Closed loop continuous cycling method (Ziegler-Nichols)
• Fine tuning
• Calculation of individual instrument error and total error for the system
• Integration of the pressure, level, temperature and flow systems
• Integration of new smart subsystems with data communication links
• Testing and commissioning of the subsystems