Elements and Performance Criteria
- Tune control loops
- Perform tuning operations by applying control loop device characteristics, controller mode principles and adjustment methods using appropriate equipment, procedures and techniques
- Monitor and adjust control loop components during controller tuning operation using test recording equipment
- Apply step response – open loop tuning calculations to achieve specified loop characteristics
- Use closed loop tuning methods incorporating ultimate sensitivity and systematic trials to achieve specified loop characteristics
- Use correct sequence of tuning on multi controllers and/or multi element systems to achieve specified characteristics
- Tune control loops to optimum mode settings
- Recommission process control loop to specifications
- Determine job requirements
- Comply with work health and safety (WHS) requirements at all times
- Use appropriate personal protective equipment (PPE) in accordance with SOPs
- Identify job requirements from specifications, drawings, job sheets or work instructions
- Determine control loop characteristics
- Carry out consultation with system operators and other relevant plant personnel and extract relevant data and document to procedures
- Read programmed maintenance/service reports and note relevant data
- Analyse data and ascertain control loop characteristics
- Record control loop responses
- Test unit for tuning using appropriate diagnostic techniques
- Analyse diagnostic results against specifications
- Monitor and adjust control loop components during controller tuning operation using test recording equipment
- Apply step response – open loop tuning calculations to achieve specified loop characteristics
- Use closed loop tuning methods incorporating ultimate sensitivity and systematic trials to achieve specified loop characteristics
- Tune control loops to optimum mode settings
- Recommission process control loop to specifications
- Complete service reports
- Complete service reports according to SOPs