MEM29004 — Analyse and problem solve a PLC based industrial control system

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What an assessment for MEM29004 must cover

95 assessable components: 4 elements (17 performance criteria), 15 performance evidence and 63 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Identify the control and networking requirements for the PLC application

1.1Identify the control system specifications and PLC application requirements from documentation, work request or discussion with relevant personnel
1.2Analyse PLC application requirements and identify the relationship to the broader Industry 4.0 systems and environment in the enterprise
1.3Analyse PLC application requirements for workplace health and safety (WHS) and risk control implications
1.4Analyse control system specifications and PLC application requirements and determine the extent of local and cloud-based processing and programming required
1.5Identify and select resources and equipment requiring local installation that are consistent with PLC application requirements and manufacturer’s specifications

2 Set up a PLC-based industrial control system

2.1Apply WHS procedures and risk control measures associated with PLC application
2.2Consult with appropriate personnel to ensure planned work is coordinated effectively with others and downtime is minimised
2.3Check tools and equipment for serviceability and rectify or report any faults prior to commencement
2.4Install required PLC modules, connectors, and other equipment according to manufacturer’s specifications and PLC application requirements
2.5Program PLC locally or via cloud according to manufacturer’s specifications and PLC application requirements

3 Test and verify PLC program

3.1Check equipment and machinery is isolated according to safety requirements before commencing PLC testing process
3.2Test the function and operations of the PLC program
3.3Resolve faults and other non-conformances including seeking expert assistance when needed
3.4Verify test results and other diagnostic findings

4 Complete work and document PLC program

4.1Advise appropriate personnel when PLC based industrial control system is completed and equipment and machinery can be released from isolation
4.2Document PLC program and function test according to workplace procedures
4.3Complete workplace documentation according to established procedures

Performance evidence

analyse complex information and documentation from at least two sources for PLC application requirements
install at least two PLCs according to manufacturer’s specifications and PLC application requirements including:
installing required modules, connectors, and other equipment
installing PLC protection equipment including:
over-voltage and over-current
physical shielding
magnetic shielding
physical security and access barriers/equipment
using appropriate testing equipment for PLC applications
taking accurate measurements during set up and implementation of at least two PLC-based industrial control systems
documenting PLC programs and function tests
install, test and debug PLC code for at least one local and one cloud-based PLC
research technology developments in PLC based industrial control systems for own area of responsibility
locate hardware and software faults in at least two already installed PLCs
produce logic flow diagrams and state diagrams

Knowledge evidence

work health and safety (WHS) requirements relevant to PLC-based industrial control systems
sources of technical information relating to PLC-based industrial control systems including manufacturer’s specifications, workplace procedures and other relevant sources
features of programmable controllers including:
relay control, static logic control and programmable control
programmable controller block diagram (inputs and outputs)
programmable controller symbols
programmable controller functions
numbering systems start-up procedures
special units
advantages of distributed control PLCs in Industry 4.0 including:
shorter communication loops
facilitation of redundancy and backup
increased opportunity for incremental improvement to operations
types of local and remote PLC connectivity including:
sensor-PLC
PLC – supervisory control and data acquisition (SCADA) system
PLC – enterprise resource planning system (ERP)
PLC – human machine interface
PLC – non-manufacturing-based programs
ethernet and WiFi protocols relevant to PLCs
relay logic circuits including:
series
parallel
combination of series and parallel
interlocking
programmable logic including:
on state instruction
series equivalent circuits
parallel equivalent circuits
combination series/parallel
off state instruction
control relay logic conversion
fail safe including:
identifying need for fail safe
programming fail safe
hardware fail safe
program editors
Grafcet
statement list
ladder
graphical
advanced logic concepts including:
move
block transfer
compare
block compare
and words
mask
maths function
scaling and unscaling
shift register
multiplexing
sequencer encompassing:
application
event
time driven
Boolean algebra
counters and timers
bit operations
data protocols
cyber-security procedures and protocols relevant to PLCs
diagnostic and troubleshooting procedures for PLC-based industrial control systems and their components
procedures for documenting and reporting PLC program and test outcomes.

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing MEM29004

What does an assessment tool for MEM29004 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for MEM29004 needs to address all 95 unit components: 4 elements with 17 performance criteria, 15 performance evidence requirements, 63 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for MEM29004?

Auditori pulls the current release of MEM29004 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for MEM29004 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing MEM29004 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of MEM29004, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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