Industrial Automation and Safety

Code:

EM0031

Acronym:

ASI

Keywords
Classification	Keyword
OFICIAL	Automation

Instance: 2011/2012 - 2S

Active?	Yes
Web Page:	http://moodle.fe.up.pt/view?EM0031
E-learning page:	http://moodle.fe.up.pt/
Responsible unit:	Automation, Instrumentation and Control Section
Course/CS Responsible:	Master in Mechanical Engineering

Cycles of Study/Courses

Acronym	No. of Students	Study Plan	Curricular Years	Credits UCN	Credits ECTS	Contact hours	Total Time
MIEM	179	Syllabus since 2006/2007	3	-	6	63	160

Teaching language

Portuguese

Objectives

This course aims to give an overview on the potentialities of logic control systems and technologies that are related to industrial automation. A special attention to safety issues will be given.
This course acts as an introduction to logic controllers, which is especially suitable for Mechanical Engineering students. By the end of the semester, students should be acquainted with technical and scientific concepts that are essential on the development of studies regarding the use of logic control systems in industrial automation. Students should bear in mind all the essential safety measures.

Program

1. Introduction to industrial automation and safety
2. Continuous and discrete quantities. Quantities and all-or-nothing variables. Boolean algebra
3. Combinational circuits: simplification, description and use of logic functions.
4. The most common binary codes. Unipolar and bipolar codes. A/D and D/A conversion
5. Bistable memories (set reset). Related technologies.
6. Timer: opening and closing delay. Impulse timers. Applications
7. Counters: up counters, down counters and up/down counters. Applications
8. Sequential systems: time diagrams and state diagrams. Summary methods
9. Grafcet (Graphe Fonctionnel de Commande, Etapes Transitions) and hierarchical approach to Grafcet
10. Programming and use of programmable logic controllers (PLCs) - I/O interfaces. Intern organisation. Operation. Variable initiation. Programming languages and programming techniques. Arithmetic instructions and numerical manipulation. Grafcet’s translation in PLCs’ programs.
11. Safety. Main concepts, terminology, normalization, risk management. Devices

Mandatory literature

Norma ISO 12100 Partes 1 e 2
Portugal. Instituto Português da Qualidade; Símbolos gráficos para esquemas
Norma EN 60848:2002 GRAFCET specification language for sequential function charts, CENELEC, 2002
Portugal. Instituto Português da Qualidade; Símbolos gráficos para esquemas
Portugal. Instituto Português da Qualidade; Símbolos gráficos para esquemas
Antonio Pessoa Magalhaes; Apontamentos de Automação e Segurança Industrial, 2006
Portugal. Instituto Português da Qualidade; Símbolos gráficos para esquemas

Complementary Bibliography

Mano, M. Morris; Digital design. ISBN: 0-13-212994-9
David, René; Petri nets and grafcet. ISBN: 0-13-327537-X
Jack, Hugh; Automating manufacturing systems with PLCs
CENELEC EN 61082-1 2006.07.01 Preparation of documents used in electrotechnology Part 1: Rules - IEC 61082-1:2006

Teaching methods and learning activities

This course is divided into two parts: theoretical-practical classes and practical classes.
Theoretical-practical classes will cover course’s program (with audiovisual support and simple examples will be given) and be based on critical practice of the themes that have been taught. Subjects held in classes will be selected from dozens of problems that students should solve. However, problem solutions’ won’t be held in classes, but professors will be available to help on that matter.
Laboratory classes are intended to increase the contact with technology and tests. If necessary short presentations will be held, in order to contextualize what have been taught in classes. Practical assignments are based on the development of combinational circuits, timers, counters and their application on sequential circuits. The project and circuit development resources include software of logic circuits simulation, integrated circuits, electro mechanics, programmed PLCs in contacts language, functional blocks and Grafcet.

Software

Siemens LOGOsoft (Programação de autómatos)
SAIA PG (Programação de autómatos)
automation Studio
Siemens LOGOsoft (Programação de autómatos)
SAIA PG (Programação de autómatos)
automation Studio

Evaluation Type

Distributed evaluation with final exam

Assessment Components

Description	Type	Time (hours)	Weight (%)	End date
Attendance (estimated)	Participação presencial	63,00
	Exame	3,00
	Total:	-	0,00

Amount of time allocated to each course unit

Description	Type	Time (hours)	End date
	Estudo autónomo	20
	Estudo autónomo	30
	Estudo autónomo	44
	Total:	94,00

Eligibility for exams

According to General Evaluation Rules of FEUP

Calculation formula of final grade

Final mark will be based on two written exams (WE1 and WE2) and one assignment (ASN). These components will be assessed from 0 to 20 and they will worth as follows:

WE1- an individual written exam in the middle of the semester- 35% of the final mark
WE2- an individual written exam at the end of the second semester- 40% of the final mark
ASN- an individual laboratory assignment in the last week of the course (exceptions will have to be justified– each student will perform his/her assignment in the laboratory class) – 25% of the final mark.

It is not allowed to consult books or notes on the written exams (WE1, WE2), while each exam worth is previously set.

The assignment assessment (ASN) will be based on the observation on whether the objectives of the assignment have been reached or not. It will also be based on students’ dexterity with laboratory resources and their ability to answer question that can possibly be asked.

Important notes:
- Students must achieve a minimum grade of 7 out of 20 in WE2. Even if students achieve a grade of 9, 5 out of 20 on WE1, but don’t achieve 7 out of 20 on WE2, they will earn a grade of 9 out of 20.
- If students miss one of the written exams, they will earn a 0 out of 20.
- If students don’t accomplish the laboratory assignment, they will earn a 0 out of 20.
- Students can only attend to final exams (WE1, WE2) and to the laboratory assignment if they attend to classes (except students with a special status – according to General Evaluation Rules of FEUP)
- Students who failed can repeat one written exam (only one) o Recurso.
- The laboratory assignment can only be repeated in exceptional cases

Examinations or Special Assignments

As described in Special Evaluation

Special assessment (TE, DA, ...)

Students granted with a special status will be assessed as ordinary students.
Exams always comprise two parts: a practical- theoretical (75% of the final mark) one and a laboratory assignment (25% of the final mark). The practical- theoretical exam can either be written or oral, depending on professors’ decision.

Classification improvement

Students who successfully complete this course can improve their final mark by repeating one (only one) of the written exams in Recurso, or they can be assessed later instead.