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Elements and Performance Criteria

1. Hazards are identified, risks are assessed and control measures implemented
2. Extent of SCADA system is determined from design brief and job specifications
3. Process data is analysed for development of graphical design/mimic diagrams
4. Programmable logic controller (PLC) analogue and digital addresses are related to tag databases
5. Tag data types are entered and configured in tag database
6. Graphic objects are created and added to a graphic library, as required, in accordance with vendor software
7. Security requirements are determined for SCADA system to prevent access by unauthorised person/s
8. SCADA system is configured to provide appropriate reporting mechanisms
9. Equipment, software and testing devices for work are obtained in accordance with workplace procedures and checked for correct operation and safety
10. Develop and enter program using dedicated SCADA software
    • WHS/OHS risk control measures and workplace procedures for carrying out the work are followed
11. SCADA software is used to develop human-machine interface (HMI) processes and to accept and implement operators control instructions
12. Supervisory control functions, data acquisition components and automated tasks are programmed using SCADA software
13. Data is manipulated within the SCADA software to function in accordance with design brief and job specifications
14. Alarms and limits for processing variables are identified and programmed in accordance with workplace procedures
15. Trends for process variables and limits are programmed in accordance with workplace procedures and manufacturer instructions
16. Reports are configured to display/print appropriate information
17. User rights/security is configured to provide appropriate access to SCADA system
18. Unplanned situations are responded to in accordance with workplace procedures and selected for safety and specified work outcomes
19. Monitor verify and document programming activities
    • Device operation is tested in accordance with WHS/OHS requirements and workplace procedures
20. Entered objects and settings are tested in accordance with job specifications and manufacturer specifications
21. SCADA software tools are used to test and monitor programs, and operating anomalies are identified and corrected in accordance with workplace procedures
22. WHS/OHS work completion risk control measures and workplace procedures are followed
23. SCADA system specifications and programs are documented in accordance with workplace procedures
24. Work completion is reported and relevant 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, entering and verifying programs in SCADA systems must include the following:	at least five graphic objects

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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 two separate occasions and include:

analysing data applying relevant work health and safety (WHS)/occupational health and safety (OHS) requirements, including implementing risk control measures configuring user access rights correcting programming faults and anomalies creating graphic objects and adding to graphic’s library dealing with unplanned events/situations in accordance with workplace procedures in a manner that minimises risk to personnel and equipment developing and entering programs using dedicated supervisory control and data acquisition (SCADA) software developing human-machine interfaces (HMIs) developing SCADA system from design brief and job specifications documenting SCADA system programming entering tag data types into configured database identifying programs for SCADA systems monitoring, verifying and documenting programming activities producing reports using SCADA programming supervisory control functions and data acquisition components.

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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:

SCADA system communications and networking, including: programmable logic controller (PLC) interface requirements networking requirements of the system SCADA system differences from distributed control system (DCS) and process control systems SCADA (HMI software package costing types of networks available with SCADA HMI coordinate and access of networking to factory network the difference between SCADA and process control systems mimics and animated graphics, including: graphic designs, balance clarity of layout and navigation assessment of data required to be entered in software package validation of entered data trending, including: analysis of process to select data, including sampling of the process viewing data and graphical representation of selected information trend graphs and data matching the difference between real time trends and historic trends alarm logging, including: analysing selected data and applying limits to processes corrective actions and notifications of alarm status alarm data availability for third-party software systems recipes and scheduling, including: methods of producing libraries for different process parameters required for varied production runs analysis of different production runs, including amounts of materials, pressure, temperature and weights alarm limits/material specifications where and when scheduling is used scheduling, setting limits and evoking program changes data collection and databases, including: produce a database of variable tags and range specifications involved in the process conversion export of raw data into appropriate forms for data management and report creation, e.g., Excel and Paradox types and layout of reports aims of customer, management, statistical and account reports analysis of data in reports: design and graphical data representations assessment of data required for the report programming language, including: scripting languages in SCADA HMI software automate tasks within the software PLC or SCADA complex processing of process data where field equipment i.e. PLC does not have the capability or to minimise control lag implementation and applications, including: typical applications in manufacturing and process control, e.g., food processing, packaging, automotive industry, energy management and steel production and mining relevant databases relevant equipment, software and testing devices relevant job safety assessments or risk mitigation processes, including risk control measures relevant manufacturer specifications relevant WHS/OHS legislated requirements relevant workplace documentation and reporting relevant workplace policies and procedures SCADA system authorised user access and security requirements SCADA systems programming tag databases and PLCs.

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