NZQA registered unit standard
21136 version 3
Page 1 of 3
Title
Operate a process control interface in a dairy processing operation
Level
4
Purpose
Credits
5
This unit standard is for people carrying out milk processing
functions in a dairy processing operation.
People credited with this unit standard are able to: navigate the
process control interface; use process control interface to
operate and maintain a process within required parameters;
and analyse data to predict and control performance, in a dairy
processing operation.
Classification
Dairy Processing > Milk Processing
Available grade
Achieved
Explanatory notes
1
Legislation
Legislation relevant to this unit standard includes but is not limited to Animal Products
Act 1999, Animal Products (Dairy) Regulations 2005, Health and Safety in
Employment Act 1992, Health and Safety in Employment Regulations 1995.
2
Definitions
Organisational requirements – refer to instructions to staff on policies and procedures
which are documented in memo, electronic and/or manual format and are available in
the workplace. These include but are not limited to – site-specific and company
standard operating procedures (SOPs), occupational health and safety, food safety
and quality management requirements.
Process control interfaces include but are not limited to – computer based operating
programmes, touch screens, programmable large circuits with laptop interface,
inventory set fuse operating a data defence, computers.
3
This unit standard assumes an operator has a working knowledge of automation
systems, diagnostics, and fault finding.
4
This unit standard must be assessed in a realistic workplace environment. The
candidate must be under realistic time pressures and use relevant commercial
equipment.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21136 version 3
Page 2 of 3
Outcomes and evidence requirements
Outcome 1
Navigate the process control interface in a dairy processing operation.
Evidence requirements
1.1
Interface and related components are confirmed as ready for operation in
accordance with organisational requirements.
1.2
Hardware is used to operate the interface in accordance with organisational
requirements.
1.3
Page links are used to move between screens in accordance with
organisational requirements.
1.4
Messages and alarms are acknowledged in accordance with organisational
requirements.
1.5
Information is accessed from screen displays in accordance with organisational
requirements.
1.6
Interface system malfunctions are reported and recorded in accordance with
organisational requirements.
Outcome 2
Use the process control interface to operate and maintain a process within required
parameters in a dairy processing operation.
Evidence requirements
2.1
Items of equipment and/or processes are started up, monitored and shutdown
using the control interface in accordance with organisational requirements.
2.2
Equipment is selected and status altered by fixing settings to meet operating
and organisational requirements.
2.3
Sequences are activated to initiate process operation in accordance with
organisational requirements.
2.4
Equipment indicating malfunction is recognised and action is taken to identify
and correct faults in accordance with organisational requirements.
Outcome 3
Analyse data to predict and control performance in a dairy processing operation.
Evidence requirements
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016
NZQA registered unit standard
21136 version 3
Page 3 of 3
3.1
Data is selected and analysed to identify performance patterns in accordance
with organisational requirements.
3.2
Causes of abnormal or unacceptable performance are identified and corrective
action taken in accordance with organisational requirements.
3.3
Information is recorded in accordance with organisational requirements.
Planned review date
31 December 2020
Status information and last date for assessment for superseded versions
Process
Version Date
Last Date for Assessment
Registration
1
27 October 2005
31 December 2014
Rollover and
Revision
2
17 July 2009
31 December 2016
Review
3
18 June 2015
N/A
Consent and Moderation Requirements (CMR) reference
0022
This CMR can be accessed at http://www.nzqa.govt.nz/framework/search/index.do.
Please note
Providers must be granted consent to assess against standards (accredited) by NZQA,
before they can report credits from assessment against unit standards or deliver courses
of study leading to that assessment.
Industry Training Organisations must be granted consent to assess against standards by
NZQA before they can register credits from assessment against unit standards.
Providers and Industry Training Organisations, which have been granted consent and
which are assessing against unit standards must engage with the moderation system that
applies to those standards.
Requirements for consent to assess and an outline of the moderation system that applies
to this standard are outlined in the Consent and Moderation Requirements (CMRs). The
CMR also includes useful information about special requirements for organisations wishing
to develop education and training programmes, such as minimum qualifications for tutors
and assessors, and special resource requirements.
Comments on this unit standard
Please contact the Primary Industry Training Organisation standards@primaryito.ac.nz if
you wish to suggest changes to the content of this unit standard.
Primary Industry Training Organisation
SSB Code 101558
 New Zealand Qualifications Authority 2016