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Elements and Performance Criteria

  1. Prepare to develop programs for supervisory control and data acquisition systems.
  2. Develop and enter programs using dedicated supervisory control and data acquisition software.
  3. Monitor, verify and document programming activities.
  4. Note.
  5. Graphic libraries are typically part of vender software for SCADA systems.

Required Skills

This describes the required skills and knowledge and their level required for this unit

Evidence shall show that knowledge has been acquired of safe working practices and developing entering and verifying programs in Supervisory Control and Data Acquisition systems

All knowledge and skills detailed in this unit should be contextualised to current industry practices and technologies

KSEIA Supervisory control and data acquisition systems programming

Evidence shall show an understanding of supervisory control and data acquisition systems programming to an extent indicated by the following aspects

T SCADA system communications and networking encompassing

PLC Interface requirements

Networking requirements of the system

SCADA system differences from DCS Process Control systems

SCADA HMI software package costing

Types of networks available with SCADA HMI

Coordinate and access of networking to factory network

Understands the difference between SCADA and Process Control systems

T Mimics and animated graphics encompassing

Graphic designs balance clarity of layout and navigation

Assessment of data required to be entered in software package

Validation of entered data

T Trending encompassing

Analysis of process to select data ie sampling of the process

Viewing data and graphical representation of selected information

Trend graphs and data matching

Understands the difference between real time trends and historic trends

T Alarm logging encompassing

Analysing selected data and applying limits to processes

Corrective actions and notifications of alarm status

Alarm data availability for third party software systems

T Recipes and scheduling encompassing

Methods of producing libraries for different process parameters required for varied production runs

Analysis of different production runs ie amounts of materials pressure temperature weights etc

Alarm limitsmaterial specifications

Understands where amp when scheduling is used

Scheduling setting limits and evoking program changes

T Data collection and databases encompassing

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 eg Excel 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

T Programming language encompassing

Scripting languages in SCADA HMI software

Automate tasks within the software PLC or SCADA

Provide complex processing of process data where field equipment ie PLC does not have the capability or to minimise control lag

T Implementation and applications encompassing

Typical applications in manufacturing and process control eg food processing packaging automotive industry energy management and steel production and mining

Evidence Required

This provides essential advice for assessment of the unit and must be read in conjunction with the performance criteria and the range statement of the unit and the Training Package Assessment Guidelines

The Evidence Guide forms an integral part of this unit It must be used in conjunction with all parts of this unit and performed in accordance with the Assessment Guidelines of this Training Package

Overview of Assessment

Longitudinal competency development approaches to assessment such as Profiling require data to be reliably gathered in a form that can be consistently interpreted over time This approach is best utilised in Apprenticeship programs and reduces assessment intervention It is the industrypreferred model for apprenticeships However where summative or final assessment is used it is to include the application of the competency in the normal work environment or at a minimum the application of the competency in a realistically simulated work environment It is recognised that in some circumstances assessment in part or full can occur outside the workplace However it must be in accordance with industry and regulatory policy

Methods chosen for a particular assessment will be influenced by various factors These include the extent of the assessment the most effective locations for the assessment activities to take place access to physical resources additional safety measures that may be required and the critical nature of the competencies being assessed

The critical safety nature of working with electricity electrical equipment gas or any other hazardous substancematerial carries risk in deeming a person competent Sources of evidence need to be rich in nature to minimise error in judgment

Activities associated with normal everyday work have a bearing on the decision as to how much and how detailed the data gathered will contribute to its richness Some skills are more critical to safety and operational requirements while the same skills may be more or less frequently practised These points are raised for the assessors to consider when choosing an assessment method and developing assessment instruments Sample assessment instruments are included for Assessors in the Assessment Guidelines of this Training Package

Critical aspects of evidence required to demonstrate competency in this unit

Before the critical aspects of evidence are considered all prerequisites shall be met

Evidence for competence in this unit shall be considered holistically Each element and associated performance criteria shall be demonstrated on at least two occasions in accordance with the Assessment Guidelines UEE Evidence shall also comprise

A representative body of work performance demonstrated within the timeframes typically expected of the discipline work function and industrial environment In particular this shall incorporate evidence that shows a candidate is able to

Implement Occupational Health and Safety workplace procedures and practices including the use of risk control measures as specified in the performance criteria and range statement

Apply sustainable energy principles and practices as specified in the performance criteria and range statement

Demonstrate an understanding of the required knowledge and associated skills as described in this unit It may be required by some jurisdictions that RTOs provide a percentile graded result for the purpose of regulatory or licensing requirements

Demonstrate an appropriate level of skills enabling employment

Conduct work observing the relevant Anti Discrimination legislation regulations polices and workplace procedures

Demonstrated consistent performance across a representative range of contexts from the prescribed items below

Developing entering and verifying programs in Supervisory Control and Data Acquisition systems as described in and including

A

Collecting and analysing data accurately

B

Converting data to an appropriate database

C

Creating appropriate graphic objects

D

Adding graphic objects to a library

E

Developing effective HMI

F

Programming SCADA functions and data acquisition components correctly

G

Producing a report by the SCADA system

H

Correcting programming faults and anomalies

I

Configuring user access rights

J

Documenting SCADA system and programming clearly

K

Dealing with unplanned events by drawing on required knowledge and skills to provide appropriate solutions incorporated in a holistic assessment with the above listed items

Note Successful completion of relevant vendor training may be used to contribute to evidence on which competency is deemed In these cases the alignment of outcomes of vendor training with performance criteria and critical aspects of evidence shall be clearly identified

Note:
Successful completion of relevant vendor training may be used to contribute to evidence on which competency is deemed. In these cases the alignment of outcomes of vendor training with performance criteria and critical aspects of evidence shall be clearly identified.

Context of and specific resources for assessment

This unit should be assessed as it relates to normal work practice using procedures information and resources typical of a workplace This should include

OHS policy and work procedures and instructions

Suitable work environment facilities equipment and materials to undertake actual work as prescribed in this unit

These should be used in the formal learningassessment environment

Note

Where simulation is considered a suitable strategy for assessment conditions for assessment must be authentic and as far as possible reproduce and replicate the workplace and be consistent with the approved industry simulation policy

The resources used for assessment should reflect current industry practices in relation to develop enter and verify programs in Supervisory Control and Data Acquisition systems

Method of assessment

This unit shall be assessed by methods given in Volume Part Assessment Guidelines

Note

Competent performance with inherent safe working practices is expected in the Industry to which this unit applies This requires assessment in a structured environment which is primarily intended for learningassessment and incorporates all necessary equipment and facilities for learners to develop and demonstrate the required knowledge and skills described in this unit

Concurrent assessment and relationship with other units

There are no concurrent assessment recommendations for this unit


Range Statement

10) This relates to the unit as a whole providing the range of contexts and conditions to which the performance criteria apply. It allows for different work environments and situations that will affect performance.

This unit shall be demonstrated in relation to developing entering and verifying programs in Supervisory Control and Data Acquisition systems.

The program shall include the following programming activities:

Configuring tag data type

Creating at least five graphic objects

Adding graphic objects to the graphic library

Developing a HMI for a given system

Incorporating alarms and limits for process variables

Incorporating trends for process variables and limits.

Entering objects and testing

Rectifying operating faults and anomalies

Configure user rights for access/security.

Configure and output at least one report.

Generic terms used throughout this Vocational Standard shall be regarded as part of the Range Statement in which competency is demonstrated. The definition of these and other terms that apply are given in Volume 2, Part 2.1.