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Plc 2 12 ed
1. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
1
Assignment Front Sheet
Qualification Unit Code / Unit number and title
Pearson BTEC Level 5 HND Diploma in
Electrical & Electronic Engineering
A/601/1625
Unit 22: Programmable Logic Controllers
Student name / BTEC Registration Number Assessor name
Date issued Hand in deadline Submitted on
5 February 2015 15 March 2015
Assignment title
In this assessment you will have opportunities to provide evidence against the following criteria.
Indicate the page numbers where the evidence can be found.
Learning
Outcome
Learning
outcome
Assessment
Criteria
In this assessment you will
have the opportunity to
present evidence that
shows you are able to:
Task
no.
Evidence
(Page no)
LO3
Be able to apply
programmable
logic
programming
techniques
3.1
Identify elements associated
with the preparation of a
programmable logic
controller program
Task
1, 2
3.2
Write programs using logic
functions based on relay
ladder logic
Task
1,2
3.3
Evaluate the range and type
of advanced functions of
programmable logic
controllers
Task
1,2
3.4
Use and justify methods of
testing and debugging
hardware and software
Task
1,2
LO4
Understand
alternative
4.1
Evaluate PICs and other
programmable devices as Task 3
2. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
2
implementations
of
programmable
control
programmable devices and
embedded controllers
4.2
Compare the operation,
functionality, advantages and
limitations of PLC simulators
Task 4
Student declaration
I certify that the work submitted for this assignment is my own. I have clearly referenced any
sources used in the work. I understand that false declaration is a form of malpractice.
Student signature: Date:
In addition to the above PASS criteria, this assignment gives you the opportunity to submit
evidence in order to achieve the following MERIT and DISTINCTION grades
Grade Descriptor Indicative characteristic/s Contextualisation
M1 Identify and
apply strategies to
find appropriate
solutions
An effective approach to
study and research has been
applied.
A suitable solution has been produced for
Task 3
M2 Select / design
and apply
appropriate
methods /
techniques
Relevant theories and
techniques have been
applied.
Appropriate learning
methods/techniques have
been applied.
An appropriate programming technique has
been used for Task 2
More concise and short PLC programs are
produced for Task 1
M3 Present and
communicate
appropriate
findings
The appropriate structure
and approach has been used.
The communication is
appropriate for unfamiliar
audiences and appropriate
media have been used.
- A coherent and concise report has
been produced
- Proper document format has been
applied
- Figures, diagrams have been drawn
using engineering software and
standard symbols
3. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
3
- Citation has been provided properly
and Hardvard referencing has been
used.
D1 Use critical
reflection to
evaluate own work
and justify valid
conclusions
Conclusions have been
arrived at through synthesis
of ideas and have been
justified.
The validity of results have
been evaluated using
defined criteria.
- A clear, thorough comparison has
been made for Task 4
- The testing and debugging processes
have been used effectively (Task 1
and 2)
D2 Take
responsibility for
managing and
organising activities
Autonomy / Independence
has been demonstrated
A unique solution have been introduced for
task 3
D3 Demonstrate
convergent / lateral
/ creative thinking
Ideas have been generated
and decisions taken.
Problems have been solved.
Maximize the features of the mechanical
system by software (Task 2)
Assignment Brief
Qualification
Pearson BTEC Level 5 HND Diploma in Electrical &
Electronic Engineering
Unit number and title Unit 22: Programmable Logic Controllers
Assessor name Ngo Van Thuyen
Date issued 30 January 2015
Hand in deadline 15 March 2015
Assignment title Assignment 2
Purpose of this assignment
This assignment will give you the opportunity to show your knowledge and general understanding
of the programmable logic controllers (PLCs), their input/output devices, communication link and
the number systems used in PLCs.
4. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
4
Scenario
You are employed as a sales engineer of a company which is a re-seller of automation and industrial control
products such as PLCs, sensors, pushbuttons,
AC drives/motors, enclosures, operator interfaces, and much more. You are asked demonstrate your
knowledge and skills with PLC programming and design.
Task 1:
a) You should have completed all the exercises in the lab using PLC trainer kit during your lab.
For each lab, you should
- List the input and output devices
- Produce a wiring diagram to the PLC and its power circuit
- Produce a table of tags, input and output addresses
- Produce a PLC program rather than the one given if possible
- Show your debugging and testing processes
List of exercises:
1. Latches
2. Burglar Alarm (OR-GATE)
3. Microwave Oven (AND-GATE)
4. Fuel Tank (NAND-GATE)
5. Fuel Tank (NOR-GATE)
6. ASTRO Sensors (XOR-GATE)
7. ASTRO Sensors (XNOR-GATE)
8. Emergency Stop (NOT-GATE)
9. Traffic + Walk Light
10. Conveyor Belt
11. Microwave Oven Timer
12. Washing Machine
13. Mixer
14. Room Capacity Alarm
5. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
5
15. Forward/Reverse Motor Control
16. Elevator
(Note: Please refer to the attached Lab sheets for more information)
b) While doing your lab exercises you have used testing and debugging techniques. Discuss
methods of testing and debugging your programmes and explain the usefulness of these
methods.
Task 2. For the simulated system on FX Trainer assigned (please refer to the list),
1. List all the input and output devices and its brief function
2. Describe the operation of the system
3. Produce a list of tags and labels for all the inputs and outputs.
2. Produce a flow chart/state diagram style program.
3. Produce a truth table showing only the conditions that turn the motors on.
5. Produce a circuit diagram for the hardwired control circuit.
6. Produce a ladder logic diagram for the control circuit. Transfer it to the FX Trainer
Simulator test the programme.
9. Demonstrate the system working.
Task 3. For saving cost, you are asked to control the system in Task 2 using a PIC or other
microcontroller. Describe what you would change and compare the two systems in term of cost,
design complexity and operation
Task 4. Describe the two PLC simulation software you have used and compare their operation and
functionality, advantages and limitations
Evidence
checklist
Summary of evidence required by student
Evidence
presented
Task 1, 2, 3,
A report written in a formal style, including a contents
page indicating the different report tasks and sections.
A bibliography with references must be supplied using
the Harvard System of referencing.
6. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
6
An electronic copy of your reports on either a memory
stick or CD. Label the memory stick or CD with your
name, unit title and assignment name.
Sources of information
1. Bolton – Programmable logic controller (Butterworth-Heinemann, 1996)
2. Crispin A.J – Programmable Logic controllers and their Engineering Applications
(McGraw Hill, 1996).
3. Garry Dunning – Introduction to Programmable Logic Controllers 3rd
Edition (Thomson
Delmar Learning 2006)
4. www.automationdirect.com
PRESENTATION
1. The assignment should have a cover page that includes the assignment title,
assignment number, course title, module title, Lecturer/tutor name and student’s
name. Attach all the pages of assignment brief/achievement summary with your report
and leave them blank for official use.
2. Ensure that authenticity declaration has been signed.
3. This is an individual assignment.
4. Content sheet with a list of all headings and page numbers.
5. A fully typed up professionally presented report document. Use 12 point Arial or Times
New Roman script.
6. Your assignment should be word-processed.
7. Use the Harvard referencing system.
8. Exhibits/appendices are outside this limit.
9. The assignment should contain a list of any references used in the report.
NOTES TO STUDENTS FOR SUMMISSION
Check carefully the submission date and the instructions given with the assignment.
Late assignments will not be accepted.
Ensure that you give yourself enough time to complete the assignment by the due date.
7. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
7
Do not leave things such as printing to the last minute – excuses of this nature will
not be accepted for failure to hand-in the work on time.
You must take responsibility for managing your own time effectively.
If you are unable to hand in your assignment on time and have valid reasons such as
illness, you may apply (in writing) for an extension.
Failure to achieve a PASS grade will results in a REFERRAL grade being given.
Take great care that if you use other people’s work or ideas in your assignment, you
properly reference them in your text and any bibliography.
NOTE: If you are caught plagiarizing, the University policies and procedures will
apply.
8. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
8
Achievement Summary
Qualification
Pearson BTEC Level 5 HND
Diploma in Electrical & Electronic
Engineering
Assessor
name
Unit
Number and
title
Unit 22: Programmable Logic
Controllers
Student name
Criteria
Reference
To achieve the criteria the evidence must show that
the student is able to:
Achieved?
(tick)
First
attempt
Rework
LO 3
3.1
Identify elements associated with the preparation of a
programmable logic controller program
3.2
Write programs using logic functions based on relay
ladder logic
3.3
Evaluate the range and type of advanced functions of
programmable logic controllers
3.4
Use and justify methods of testing and debugging
hardware and software
LO 4
4.1
Evaluate PICs and other programmable devices as
programmable devices and embedded controllers
4.2
Compare the operation, functionality, advantages and
limitations of PLC simulators
Higher Grade achievements (where applicable)
Grade descriptor
Achieved?
(tick)
Grade descriptor
Achieved?
(tick)
First
attempt
Rework
First
attempt
Rework
M1: Identify and apply
strategies to find appropriate
solutions
D1: Use critical
reflection to evaluate
own work and justify
valid conclusions
9. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
9
M2: Select/design and apply
appropriate methods/techniques
D2: Take
responsibility for
managing and
organising activities
M3: Present and communicate
appropriate findings
D3: Demonstrate
convergent/lateral
/creative thinking
10. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
10
Assignment Feedback
Formative Feedback: Assessor to Student
Action Plan
Summative feedback
Feedback: Student to Assessor
Assessor Signature Date
Student Signature Date
11. UNIVERSITY OF TECHNICAL EDUCATION HCMC
PLC Assignment 2 brief
2014
11
FOR INTERNAL USE ONLY
VERIFIED YES NO
DATE : .................................................................
VERIFIED BY : ................................................................
NAME : .................................................................