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NZQA registered unit standard 24888 version 2Page 1 of 3

Title Prepare and interpret diagrams for instrumentation andcontrol systems

Level 3 Credits 3

Purpose This unit standard covers drawing and interpretingdiagrams used to document the operation andconnection of instrumentation and control systems.

People credited with this unit standard are able to:

prepare diagrams of industrial measurement andcontrol systems; and;

interpret diagrams of industrial measurement andcontrol systems.

Classication Industrial Measurement and Control > IndustrialMeasurement and Control Theory

Available grade !chieved

Explanatory notes

" #e$nitionIEC International %lectrotechnical CommissionIndustry requirements& includes all asset owner re'uirements;manufacturers( speci$cations; enterprise re'uirements which cover thedocumented wor)place policies* procedures* speci$cations* and businessre'uirements; and 'uality management re'uirements relevant to thewor)place in which the assessment is carried out.ISA International +ociety for !utomationISO International ,rganisation for +tandardisation

- angea #iagrams may include but are not limited to & piping and

instrumentation diagrams /P 0 I#1; process 2ow diagrams; singlelinediagrams; loop diagrams.

b #iagrams must include all relevant details and principal elementsappropriate to the type of drawing.

c !ll diagrams must comply with industry or site standards.d 3eat s)etches will be ade'uate to demonstrate competence.

The Skills OrganisationSSB ode 1!!4!1

Ne" Zealand Qualifi#ations Authorit$ 2!14

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NZQA registered unit standard 24888 version 2Page 2 of 3

Outcomes and evidence requirements

Outcome

Prepare diagrams of industrial measurement and control systems.

ange evidence of a minimum of four diagrams is re'uired* which may allrelate to the same part of a system.

Evidence requirements

"." #raw diagrams relating to the process operation using standardsymbols and formats.

".- #raw diagrams with layouts that aid interpretation of measurementand control systems.

Outcome !

Interpret diagrams of industrial measurement and control systems.

ange evidence of at least four diagrams of di4erent types is re'uired.

Evidence requirements

-." Interpret a diagram to e5plain system operation.

-.- %5plain system functions and items included in a diagram inaccordance with industry re'uirements.

Planned revie" date 6" #ecember -7"8

#tatus information and last date for assessment for supersededversions

Process $ersion

%ate Last %ate forAssessment

egistration " "9 May -77 6" #ecember -7"9

eview - - 3ovember -7"6 3!

Consent and &oderation 'equirements (C&')reference

7776

This CM can be accessed athttp:www.n

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NZQA registered unit standard 24888 version 2Page 3 of 3

Please noteProviders must be granted consent to assess against standards /accredited1 by3=!* before they can report credits from assessment against unit standardsor deliver courses of study leading to that assessment.

Industry Training ,rganisations must be granted consent to assess against

standards by 3=! before they can register credits from assessment againstunit standards.

Providers and Industry Training ,rganisations* which have been grantedconsent and which are assessing against unit standards must engage with themoderation system that applies to those standards.

e'uirements for consent to assess and an outline of the moderation systemthat applies to this standard are outlined in the Consent and Moderatione'uirements /CM1. The CM also includes useful information about special

re'uirements for organisations wishing to develop education and trainingprogrammes* such as minimum 'uali$cations for tutors and assessors* andspecial resource re'uirements.

Comments on t*is unit standard

Please contact The +)ills ,rganisation reviewcomments?s)ills.org.n