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Elements and Performance Criteria

1. Prepare to problem solve electro-pneumatic control systems
   • WHS/OHS processes and workplace procedures for a given work area are identified, obtained and applied
2. Hazards are identified, WHS/OHS risks assessed, and control measures and workplace procedures implemented in preparation for work
3. Safety hazards that have not previously been identified are reported on job safety assessments and advice on risk control measures is sought from relevant supervisor
4. Control functions and drive system required to perform work are identified and documented from work instructions/specifications, relevant work supervisor or customer
5. Tools, equipment, inspection and testing devices needed to carry out the work are obtained and checked for correct operation and safety
6. Provide electro-pneumatic control systems solutions
   • WHS/OHS risk control measures and workplace procedures for carrying out work are followed
7. Circuits/machines/plant are checked and isolated, as required, in accordance with WHS/OHS requirements and workplace procedures
8. Circuits for electro-pneumatic control and drive system are developed to meet the required functions and specifications
9. Locations of control field devices are inspected, checked and adjusted to ensure they function correctly
10. Circuits for the electro-pneumatic control and drive system component connections are inspected and checked against the developed circuits specifications
11. Functioning of the systems entering into programmable components and parameters is set in accordance with developed circuit and manufacturer programming instructions/specifications
12. Inspect, test and document electro-pneumatic control systems
    • Operation of the electro-pneumatic control and drive system is tested in accordance with WHS/OHS requirements and workplace procedures
13. Operating anomalies are identified and corrected in accordance with workplace procedures
14. WHS/OHS work completion risk control measures and workplace procedures are followed
15. Worksite is cleaned and made safe in accordance with workplace procedures
16. Work completion is reported and appropriate person/s notified in accordance with workplace procedures

Range Statement

Range is restricted to essential operating conditions and any other variables essential to the work environment. Non-essential conditions may be found in the UEE Electrotechnology Training Package Companion Volume Implementation Guide.
Developing an electro-pneumatic system using a programable logic controller (PLC) must include the following:	at least four digital input/outputs (I/O) at least one analogue output

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Performance Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions on at least one occasion and include:

establishing and documenting functions that the control and drive system is required to perform developing and documenting circuits for the electro-pneumatic control and drive systems that meet the required functions checking location of control field devices and adjusting to ensure correct functioning checking electro-pneumatic control and drive system components connections entering functions and parameters into programmable components correctly correcting programming anomalies testing and verifying correct operation reporting work completion to appropriate persons in accordance with established procedures dealing with unplanned events applying problem-solving techniques, including: preparing to developing solutions providing solutions inspecting, testing and documenting solutions applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including: implementing workplace procedures and practices using of risk control measures.

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Knowledge Evidence

Evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the elements, performance criteria and range of conditions and include knowledge of:

electrical and pneumatic control fundamentals, including: electrical and pneumatic safety encompassing: hazardous and safe working methods and procedures pneumatic operating pressures isolation procedures electrical/pneumatic drawing types and applications encompassing: drawing layouts and conventions (electrical and pneumatic schematics, wiring and piping diagrams) drawing symbols electrical and pneumatic control system components encompassing: electrical components, including power, human-machine interfaces (HMIs), relays, plug and socket connectors; pneumatic components, including air supply systems, HMIs, valves, actuators, tubing and connectors electrical relay types encompassing: operation contact configurations pneumatic control valves and actuators encompassing: types and their operation activated and deactivated configurations basic logic as applied to control systems logic confined to AND, OR, NOT and NOR functions variable speed drive (VSD) functions and configuration VSD functions and set-up, including: basic function of a variable speed drive in controlling an induction motor configuring a VSD encompassing: setting rated motor voltage and current, digital and analogue inputs, speed range and ramp times testing procedures relevant job safety assessments or risk mitigation processes relevant manufacturer specifications relevant problem-solving techniques relevant WHS/OHS legislated requirements relevant workplace documentation relevant workplace policies and procedures.

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