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Evidence Guide: MEM18060 - Maintain, repair control instrumentation - single and multiple loop control systems

Student: __________________________________________________

Signature: _________________________________________________

Tips for gathering evidence to demonstrate your skills

The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!

From the Wiki University

 

MEM18060 - Maintain, repair control instrumentation - single and multiple loop control systems

What evidence can you provide to prove your understanding of each of the following citeria?

Determine job requirements

  1. Follow standard operating procedures (SOPs)
Follow standard operating procedures (SOPs)

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Comply with work health and safety (WHS) requirements at all times

Completed
Date:

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Use appropriate personal protective equipment (PPE) in accordance with SOPs

Completed
Date:

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Identify job requirements from specifications, drawings, job sheets or work instructions

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Determine control loop operating characteristics

  1. Examine engineering specifications, technical information and historical trends for relevant data
Examine engineering specifications, technical information and historical trends for relevant data

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Examine, read and interpret system specifications, operational data and other relevant data sources and note relevant conclusions

Completed
Date:

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Consult with system operators and other relevant plant personnel and extract relevant data and document by appropriate means

Completed
Date:

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Observe operation of the system by applying all control loop device characteristics, controller mode principles and adjustment methods

Completed
Date:

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Monitor and record operation of a control loop

  1. Interpret pneumatic, electrical and electronic circuit diagrams
Interpret pneumatic, electrical and electronic circuit diagrams

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Set point and manual output changes by applying all control loop device characteristics, controller mode principles and calibration/adjustment methods, and loop operation from the controller response using appropriate test equipment, principles and procedures

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Interpret software configuration data for digital control systems

Completed
Date:

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Monitor and record operational responses

Completed
Date:

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Utilise fault-finding and diagnostic techniques throughout the checking and testing procedures including simple and multi-controller type control schemes

Completed
Date:

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Analyse diagnostic results and conclusions against predetermined operational specifications

Completed
Date:

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Localise fault condition

  1. Test circuits to the level necessary to identify and localise faults using fault-finding, diagnostic techniques and appropriate test equipment
Test circuits to the level necessary to identify and localise faults using fault-finding, diagnostic techniques and appropriate test equipment

Completed
Date:

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Utilise drawings/diagrams and operational testing data in identifying and localising fault conditions

Completed
Date:

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Verify and localise fault condition to major component level using appropriate test equipment, procedures and techniques

Completed
Date:

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Replace faulty items or repair faulty condition

  1. Dismantle components for repair or replacement using appropriate tools, equipment and techniques
Dismantle components for repair or replacement using appropriate tools, equipment and techniques

Completed
Date:

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Select replaceable items from manufacturers' catalogues, spare parts lists or data sheets

Completed
Date:

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Repair faulty condition, where applicable

Completed
Date:

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Reassemble repaired and replaceable items

Completed
Date:

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Calibrate and adjust control instrumentation

  1. Calibrate and adjust panel mounted, split architecture single loop/multiple loop control instruments using appropriate calibration principles, equipment and methods for all devices according to manufacturers' instructions
Calibrate and adjust panel mounted, split architecture single loop/multiple loop control instruments using appropriate calibration principles, equipment and methods for all devices according to manufacturers' instructions

Completed
Date:

Teacher:		 Evidence:

 

 

 

 

 

 

 

Adjust controller modes and actions are adjusted according to specifications

Completed
Date:

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Undertake zero span and range checks using appropriate configuration

Completed
Date:

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Make final adjustments to control instrumentation to meet specifications

Completed
Date:

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Complete service reports and recommission

  1. Complete service reports in accordance with SOPs
Complete service reports in accordance with SOPs

Completed
Date:

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Adopt appropriate follow-up procedures

Completed
Date:

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Recommission control instrumentation in accordance with SOPs

Completed
Date:

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Assessed

Teacher: ___________________________________ Date: _________

Signature: ________________________________________________

Comments:

 

 

 

 

 

 

 

 

Instructions to Assessors

Required Skills and Knowledge
Range Statement

This field allows for different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included.

Historical trends include one (1) or more of the following:

supervisory control and data acquisition (SCADA)

charts

chart recorders and data loggers

equipment conditioning monitoring

An open and closed loop system includes:

final control elements

process measuring devices

converters

controllers

process signals

Relevant data includes one (1) or more of the following:

maintenance records

fault indicators

charts

error codes

operational symptoms

observation monitoring

consultation with appropriate personnel

Major components include one (1) or more of the following:

transducers

power supplies

removable circuit boards

sensor units

other like components