Unit of Competency Mapping – Information for Teachers/Assessors – Information for Learners

MARL6013A Mapping and Delivery Guide
Demonstrate intermediate knowledge of marine control systems and automation

Version 1.0
Issue Date: March 2024


Qualification -
Unit of Competency MARL6013A - Demonstrate intermediate knowledge of marine control systems and automation
Description This unit involves the skills and knowledge required to operate control systems on board a commercial vessel.
Employability Skills This unit contains employability skills.
Learning Outcomes and Application This unit applies to the work of a Marine Engineer Class 2 on commercial vessels greater than 3000 kW and forms part of the requirements for the Certificate of Competency Marine Engineer Class 2 issued by the Australian Maritime Safety Authority (AMSA).
Duration and Setting X weeks, nominally xx hours, delivered in a classroom/online/blended learning setting.
Prerequisites/co-requisites Not applicable.
Competency Field
Development and validation strategy and guide for assessors and learners Student Learning Resources Handouts
Activities
Slides
PPT
Assessment 1 Assessment 2 Assessment 3 Assessment 4
Elements of Competency Performance Criteria              
Element: Analyse open and closed loop systems
  • Open loop systems are distinguished from closed loop systems
  • Closed loop manual, time based automatic open loop and feed forward open loop are explained
       
Element: Explain principles and operation of
       
Element: pneumatic control element and systems
  • Operation of a nozzle flapper and pneumatic amplifier unit is analysed and applied to transmitters, basic controllers and valve positioners
  • Control air supply system is defined
  • Principle of operation of direct and reverse acting pneumatic relays and application is clarified
  • Application of computing relays is analysed
       
Element: Compare temperature transmitters
  • Pneumatic temperature transmitter is defined
  • Effect of changes in ambient temperature on thermocouples and RTDs is explained
  • Testing procedures and methods of simulation for both RTDs and thermocouples are explained
  • Characteristics and application of thermistors are outlined
       
Element: Analyse application of differential pressure
       
Element: transmitters
  • Application of differential pressure transmitters on board ships is confirmed
  • Arrangements of differential pressure transmitters for measurement of liquid levels in both closed and open tanks are explained
  • Mechanics for viscosity measurement using a differential pressure transmitter are analysed
  • Principle of using a differential pressure transmitter for flow measurement and the need for a square root extractor is explained
  • Use of a differential pressure transmitter for flow measurement is compared and contrasted with other types of meters
       
Element: Explain engine room monitoring systems
  • Application of different speed sensing systems is analysed
  • Operating principles of torque monitoring systems applied to propeller shafting are explained
  • Arrangements of shaft power and indicated power monitoring are compared
  • Horizontal and vertical float level systems are compared with other tank level monitoring system in common use
  • Operating principle of oil-water interface sensor is explained
  • Methods of bearing temperature monitoring applied to diesel engine rotating parts are outlined
  • Machinery space monitoring and alarm system from a central control room are outlined
       
Element: Explain procedure for transmitter calibration
  • Procedure for transmitter calibration for both pneumatic and electronic transmitters is applied
  • Test equipment is used for transmitter calibration
  • Relationship between process variables and output signals is demonstrated in a graph
  • Effects of transmitter dead band are defined
       
Element: Explain operation of pneumatic 3term controller and controller adjustment procedures
  • Common controller actions and applications are outlined
  • Operating principle of pneumatic 3term controllers is outlined
  • Procedure for adjusting 3term pneumatic controllers is applied and effects if incorrectly adjustment are explained
  • Typical controller settings for a PID controller are detailed
  • Integrated hand/auto station and 3term controller are outlined and bumpless transfer is demonstrated
       
Element: Explain actuators and control valves
  • Arrangements to provide fail safe requirements are outlined
  • Control valve and actuator are explained
  • Different types of actuators are identified
  • Operating principle of pneumatic valve positioners is explained
       
Element: Analyse operation of hydraulic governors
  • Operating principle of proportional action hydraulic governors is explained
  • Importance of spring stiffness in relation to response is clarified
  • Purpose of an isochronous governor is outlined
  • Principle of operation of an isochronous hydraulic governor is outlined
  • Governor droop and its requirements for stable load sharing and engine stability is explained
       
Element: Interpret electronic systems circuit diagrams
  • Electrical symbols commonly used in electronic circuits and sub-circuits are defined
  • Printed and colour codes used in electronic circuits are defined
  • Operation and maintenance manuals commonly used in the fault finding electronic circuits are used correctly
       
Element: Explain basic operation of programmable logic controllers
  • Principles and operation of integrated circuit gates are explained
  • Operational function of input/output devices connected to a digital programmable logic controller is detailed
  • Methods of operation of flip flops, adders, counters, multiplexers and decoders are outlined
  • Methods employed when changing set point values in a digital programmable logic controller are outlined
       
Element: Explain typical machinery space control loops and unmanned machinery spaces requirements
  • Fuel oil heating, LO cooling and JW cooling loop showing cascade and split range systems are outlined
  • Fuel oil viscosity control loop is outlined
  • Common methods of boiler water control and simple combustion control with burner management for an auxiliary boiler are outlined
  • Requirements and system arrangements for bridge control of main propulsion machinery including change over from local to bridge are explained
  • Common pressure control loops found in a ship’s engine room are identified
  • Unmanned machinery spaces (UMS) requirements are outlined
  • Troubleshooting procedures associated with control systems are outlined
  • Procedures for software version control are outlined
       


Evidence Required

List the assessment methods to be used and the context and resources required for assessment. Copy and paste the relevant sections from the evidence guide below and then re-write these in plain English.

The evidence guide provides advice on assessment and must be read in conjunction with the performance criteria, the required skills and knowledge, the range statement and the Assessment Guidelines for the Training Package.

Critical aspects for assessment and evidence required to demonstrate competency in this unit

The evidence required to demonstrate competence in this unit must be relevant to and satisfy all of the requirements of the Elements, Performance Criteria, Required Skills, Required Knowledge and include:

providing accurate and reliable information

providing appropriate level of detail in responses.

Context of and specific resources for assessment

Performance is demonstrated consistently over time and in a suitable range of contexts.

Resources for assessment include access to:

industry-approved marine operations site where intermediate knowledge of marine control systems and automation can be demonstrated

technical reference library with current publications on automation and process control

tools, equipment and personal protective equipment currently used in industry

relevant regulatory and equipment documentation that impacts on work activities

range of relevant exercises, case studies and/or other simulated practical and knowledge assessments

appropriate range of relevant operational situations in the workplace.

In both real and simulated environments, access is required to:

relevant and appropriate materials and equipment

applicable documentation including workplace procedures, regulations, codes of practice and operation manuals.

Method of assessment

Practical assessment must occur in an:

appropriately simulated workplace environment and/or

appropriate range of situations in the workplace.

A range of assessment methods should be used to assess practical skills and knowledge. The following examples are appropriate to this unit:

direct observation of the candidate demonstrating intermediate knowledge of marine control systems and automation

direct observation of the candidate applying relevant WHS/OHS requirements and work practices.

Guidance information for assessment

Holistic assessment with other units relevant to the industry sector, workplace and job role is recommended.

In all cases where practical assessment is used it should be combined with targeted questioning to assess Required Knowledge.

Assessment processes and techniques must be appropriate to the language and literacy requirements of the work being performed and the capacity of the candidate.


Submission Requirements

List each assessment task's title, type (eg project, observation/demonstration, essay, assignment, checklist) and due date here

Assessment task 1: [title]      Due date:

(add new lines for each of the assessment tasks)


Assessment Tasks

Copy and paste from the following data to produce each assessment task. Write these in plain English and spell out how, when and where the task is to be carried out, under what conditions, and what resources are needed. Include guidelines about how well the candidate has to perform a task for it to be judged satisfactory.

Required Skills:

Access information and sketch diagrams to interpret and explain testing requirements related to control systems on commercial vessels

Assess own work outcomes and maintain knowledge of current codes, standards, regulations and industry practices

Explain principles of marine automation and process control

Identify and interpret numerical and graphical information, including schematic diagrams, relevant to control systems on commercial vessels

Identify and suggest ways of rectifying faults and malfunctions in control systems on commercial vessels

Identify methods, procedures and materials needed to operate and maintain control systems on commercial vessels

Impart knowledge and ideas through verbal, written and visual means

Read and interpret written information related to operate control systems on commercial vessels

Required Knowledge:

Actuators and control valves

Australian standards for drawing symbols/layouts for schematic diagrams

Bridge control systems

Concepts of UMS and automated monitoring and control of machinery

Control and monitoring of ship machinery

Differential pressure transmitters

Electronic systems circuit diagrams

Engine room monitoring systems

Machinery space control loops and UMS requirements

Mechanical and electrical sensors

Open and closed loop systems

Operation of hydraulic governors

Operation of pneumatic 3-term controller and controller adjustment procedures

Operation of programmable logic controllers

Pneumatic and electrical instrumentation transmitters

Principles and operation of pneumatic control element and systems

Principles of basic pneumatic systems and action of pneumatic instruments

Principles of process control

Temperature transmitters

Tests and procedures required to meet UMS requirements

Total bridge control

Transmitter calibration

Work health and safety (WHS)/occupational health and safety (OHS) legislation, policies and procedures

The range statement relates to the unit of competency as a whole. It allows for different work environments and situations that may affect performance. Bold italicised wording, if used in the performance criteria, is detailed below.

Meters may include:

Area meter

Rotometer

Target meter

Types of actuators may include:

Electric

Hydraulic

Pneumatic

Copy and paste from the following performance criteria to create an observation checklist for each task. When you have finished writing your assessment tool every one of these must have been addressed, preferably several times in a variety of contexts. To ensure this occurs download the assessment matrix for the unit; enter each assessment task as a column header and place check marks against each performance criteria that task addresses.

Observation Checklist

Tasks to be observed according to workplace/college/TAFE policy and procedures, relevant legislation and Codes of Practice Yes No Comments/feedback
Open loop systems are distinguished from closed loop systems 
Closed loop manual, time based automatic open loop and feed forward open loop are explained 
 
Operation of a nozzle flapper and pneumatic amplifier unit is analysed and applied to transmitters, basic controllers and valve positioners 
Control air supply system is defined 
Principle of operation of direct and reverse acting pneumatic relays and application is clarified 
Application of computing relays is analysed 
Pneumatic temperature transmitter is defined 
Effect of changes in ambient temperature on thermocouples and RTDs is explained 
Testing procedures and methods of simulation for both RTDs and thermocouples are explained 
Characteristics and application of thermistors are outlined 
 
Application of differential pressure transmitters on board ships is confirmed 
Arrangements of differential pressure transmitters for measurement of liquid levels in both closed and open tanks are explained 
Mechanics for viscosity measurement using a differential pressure transmitter are analysed 
Principle of using a differential pressure transmitter for flow measurement and the need for a square root extractor is explained 
Use of a differential pressure transmitter for flow measurement is compared and contrasted with other types of meters 
Application of different speed sensing systems is analysed 
Operating principles of torque monitoring systems applied to propeller shafting are explained 
Arrangements of shaft power and indicated power monitoring are compared 
Horizontal and vertical float level systems are compared with other tank level monitoring system in common use 
Operating principle of oil-water interface sensor is explained 
Methods of bearing temperature monitoring applied to diesel engine rotating parts are outlined 
Machinery space monitoring and alarm system from a central control room are outlined 
Procedure for transmitter calibration for both pneumatic and electronic transmitters is applied 
Test equipment is used for transmitter calibration 
Relationship between process variables and output signals is demonstrated in a graph 
Effects of transmitter dead band are defined 
Common controller actions and applications are outlined 
Operating principle of pneumatic 3term controllers is outlined 
Procedure for adjusting 3term pneumatic controllers is applied and effects if incorrectly adjustment are explained 
Typical controller settings for a PID controller are detailed 
Integrated hand/auto station and 3term controller are outlined and bumpless transfer is demonstrated 
Arrangements to provide fail safe requirements are outlined 
Control valve and actuator are explained 
Different types of actuators are identified 
Operating principle of pneumatic valve positioners is explained 
Operating principle of proportional action hydraulic governors is explained 
Importance of spring stiffness in relation to response is clarified 
Purpose of an isochronous governor is outlined 
Principle of operation of an isochronous hydraulic governor is outlined 
Governor droop and its requirements for stable load sharing and engine stability is explained 
Electrical symbols commonly used in electronic circuits and sub-circuits are defined 
Printed and colour codes used in electronic circuits are defined 
Operation and maintenance manuals commonly used in the fault finding electronic circuits are used correctly 
Principles and operation of integrated circuit gates are explained 
Operational function of input/output devices connected to a digital programmable logic controller is detailed 
Methods of operation of flip flops, adders, counters, multiplexers and decoders are outlined 
Methods employed when changing set point values in a digital programmable logic controller are outlined 
Fuel oil heating, LO cooling and JW cooling loop showing cascade and split range systems are outlined 
Fuel oil viscosity control loop is outlined 
Common methods of boiler water control and simple combustion control with burner management for an auxiliary boiler are outlined 
Requirements and system arrangements for bridge control of main propulsion machinery including change over from local to bridge are explained 
Common pressure control loops found in a ship’s engine room are identified 
Unmanned machinery spaces (UMS) requirements are outlined 
Troubleshooting procedures associated with control systems are outlined 
Procedures for software version control are outlined 

Forms

Assessment Cover Sheet

MARL6013A - Demonstrate intermediate knowledge of marine control systems and automation
Assessment task 1: [title]

Student name:

Student ID:

I declare that the assessment tasks submitted for this unit are my own work.

Student signature:

Result: Competent Not yet competent

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Assessor name:

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Assessment Record Sheet

MARL6013A - Demonstrate intermediate knowledge of marine control systems and automation

Student name:

Student ID:

Assessment task 1: [title] Result: Competent Not yet competent

(add lines for each task)

Feedback to student:

 

 

 

 

 

 

 

 

Overall assessment result: Competent Not yet competent

Assessor name:

Signature:

Date:

Student signature:

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