plcs and pneumatic systems

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PLCs and Pneumatic Systems

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Department: Manufacturing

Engineering

Module Code: PLCS71000

Level: Level 7 Contact Hours: 48

Duration: 1 Semester Directed Study Hours: 0

Effective Term: 2010/11 Indep. Study Hours: 52

Credits: 5

Prerequisite Knowledge:

The student will have completed year one of a level 6 or level 7 course in

Mechanical, Mechanical and Electronic or Agricultural Engineering or

equivalent.

Module Description/Aims:

To give the student a knowledge of basic PLC programming including, the

Master Protective Circuit (Safety Circuit) for a machine or process, 'fail-safe'

wiring of safety sensors and an ability to trouble-shoot the control logic whenproblems occur.

To provide the student with a knowledge of Pneumatic Technology, component

selection and design of basic pure-pneumatic control circuits and hard-wired

electro-pneumatic control circuits.

The final part of the module integrates PLC's and Pneumatics, leading to

programmable electro-pneumatic control circuits for automation and control of

small processes or machines.

Contact Type Hours

Lecture 2 Per Week

Practical/Workshop 2 Per Week

Main Description show detail >>

Contact Hours show detail >>


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On successful completion of the module, the learner will be able to:

No. Description/Learning Outcomes

1 Design and Test basic PLC Logic Control Programs.

2 Understand 'Fail-safe' Wiring for Safety Switches and the Machine Safety

Circuit.

3 Comprehend basic Pneumatic Technology and Evaluate Pure Pneumatic

Control Circuits.

4 Interpret and design Pneumatic Control Circuits.

5 Design, Physically Build and Test basic Pure-pneumatic and Electro-Pneumatic

Control Circuits on 'Pneumate 200' trainer.

6 Design, Build (on Computer) and Test basic Electro-Pneumatic and

Programmable Electro-Pneumatic Control Circuit using 'AutoSim'.

Learning Strategies

Lectures will be delivered using Prepared Handouts, White Board, Overheads,

Powerpoint Presentations with copies of lecture notes and Practical Laboratory

Sheets on Blackboard.

Practical classes in both PLC's and Pneumatics will be used to reinforce lectures

with practical examples. Ethical report writing and attention to detail on all aspectsof theory and practicals.

This module involves development of competence in both theory and practical

skills and requires the student to pay particular attention to Laboratory Health and

Safety and also real world, factory or work location Health and Safety i.e the

'Master Protective Circuit' with 'fail-safe' wiring of a machine or process. Safety is

of huge importance in any Automation Environment.

Final examination will be given to assess learning on all Learning Outcomes

Content Detail

Introduction to

PLCs, Input/Output,

I/O modules,

internal structure,

scan cycle.

Also includes guidelines on ethical report writing and SI Units.

'Fail-safe' wiring. Normally Open and Normally Closed

switches and interpretation of the signals within the PLC

program, PLC scan-cycle and basic ladder logic control

circuits.

Learning Outcomes show detail >>

Learning Strategies show detail >>

Indicative Syllabus Content show detail >>


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Basic PLC

programming,

Ladder Logic,

latching circuits.

Design and test basic PLC programs using sensors and

actuators and fault-find the control logic when problems occur

in an environment where 'fail-safe' wiring is always employed.

Machine or process 'Safety Circuit'

PLC Programming:

Timers and

Counters.

Graphical Representation of how Timers and Counters work.

Pneumatic

Technology,

Pneumatic

Components and

CETOP Symbols.

Production and Consumption of Compressed Air for a Plant.

Basic calculations of Cylinder Force, Moisture Content and

Compressor Sizing. Actuator Cushioning and Impact Cylinders.

Basic Pure-

Pneumatic Control

Circuit Schematics.

Construct and Test basic Pneumatic Control Circuits using

'Pneumate-200' electro-pneumatic training kit or equivalent.

CETOP symbols.

'AutoSim' for real-

time simulation of

control circuits for

automaticmachines.

Build Pneumatic Control Circuits on 'AutoSim' and

demonstrate their operation in 'Real-Time' using Computer

Simulation. Trouble-Shoot when problems occur.

Assessment Strategies

Knowledge and comprehension of module concepts will be assessed by written

examination at the end of the semester.

Laboratory Practical learning outcomes will be assessed by written laboratory reports

in both PLC's and Pneumatics.

Repeat Strategy for students who fail to pass the End of Year Exam including C/A is

a Repeat Exam in Autumn with C/A from the Semester carried forward. Students who

demonstrate extreme weakness in C/A will have to Repeat the year.

A minimum attendance at practicals of 80% and achievement of 40% in laboratory

assessment is required.

Learning

Outcome

Assessment

Category

Assessment

Method Additional Information

%

alloc

1, 2, 3,

4, 5, 6

Continuous

Assessment

Practical PLC Practical?s include: Programming

using Syswin Software, basic logic,

complex logic, latching circuits and

safety circuits. PLC Practical?s also

include: Programming using Syswin

Software, timers, counters,

40

Assessment Strategies show detail >>

Indicative Assessments show detail >>


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programming for a machine/process

specification. Pneumatics Practical?s

include: basic Pneumatic Control

Circuits with Single and Double Acting

Cylinders, speed control, Timer

delays, Counters, Limit Switches.

Pneumatics Practical?s also includes

the Pneumatic Sequencer and

'AutoSim' Automation Software for real

time simulation of pure, electro (hard-wired) and PLC controlled electro-

pneumatic control circuits.

1, 2, 3,

4, 5, 6

Final Exam

(Scheduled)

Final

Written

Exam

60

Type ISBN Title Author Publisher Year EditionLibrary

Link

Essential 0077090179 Programmable Controllers -

A Practical Guide

Denis Collins and Eamon Lane

McGraw Hill

1997 2nd -

Essential 9780340662199 Practical Pneumatics

Chris Stacey

Butterworth - Heinemann

1997 2nd -

Recommended 0131972553 Digital FundamentalsFloyd

Pearson Education

2005 -

Recommended 013735861x Programmable Logic

Controllers

Simpson

Prentice Hall

1993 -

Recommended 0137300379 Programmable Controllers

Operation and Application

Warnock

MgGraw Hill

1988 -

Recommended 9780890891193 Basic Pneumatics

Jay F. Hooper

Carolina Academic Pr

2003 -

Recommended 9780750644198 Hydraulics and Pneumatics:

A Technician's and

Engineer's Guide

Andrew Parr

Butterworth-Heinemann

1999 -

Recommended 9780340625262 Engineering Applications of 1995 -

Reading List show detail >>


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Pneumatics and Hydraulics

Ian Turner

Butterworth-Heinemann

Type Description

Course Material Omron Training and Operation manuals for PLC models CPM2A,

C20H and C200H.

Course Material SMC Pneumatic Training and Operation manual for 'Pneumate 200'

training kit

Course Material SMC Automation Software 'AutoSim' Instruction Sheets

Journals and Websites show detail >>

Curricular information is subject to change

plcs and pneumatic systems

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