Festo_Fieldbus_Profibus_DP_Workbook.pdf

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Fieldbus technology Profibus-DP (Workbook)

Fieldbus technology

Profibus-DP

Workbook

TP 402

IM 151 CPU

IM 151 CPU

FRCE

SF

FRCE

SF

BF

ON

RU N

STOP

BF

ON

RU N

STOP

STO P

MRES

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PROFIBU S-DP

PROFIBU S-DP

MMC

15

26

15

26

15

26

15

15

26

15

26

MMC

15

26

15

26

15

26

15

15

26

15

26

ET 20 0 S

DP

ADDRESS

OFF ON

ET 20 0 S

DP

ADDRESS

OFF ON

CPU 313C-2 DP

CP 343- 2

SF

BF

PW R

DC5V

CER

APF

14 14 14 14 14

12 12 12

MMN E

14 14 14 14 14

12 12 12

MMN E

RU N

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STO P

CM

RU N

PU SH

STO P

MRES

B

20 +

∆

10 +

IN

OUT

A

MPI

DP

∆

B

534 273 EN

RU N

RU N

FRCE

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Order No.

534 273

Description:

WORKBOOK

Designation:

D:LW-TP402-EN

Status:

08/2003

Authors:

Monika Bliesener, Sabine Scharf

Graphic:

Doris Schwarzenberger

Layout:

06.08.2003, Beatrice Huber

© Festo Didactic GmbH & Co. KG, 73770 Denkendorf, Germany, 2003

Internet: www.festo.com/didactic

E-Mail: did@festo.com

The copying, distribution and utilization of this document as well as the

communication of its contents to others without express authorisation is prohibited.

Offenders will be held liable for the payment of damages. All rights reserved, in

particular the right to carry out patent, utility model or ornamental design

registration.

Contents

Introduction __________________________________________________________ 5

Notes on safety and procedure _________________________________________ 15

Part A – Exercises

Project 1 Pneumatic door control_______________________________________A-3

Project 2 Pneumatic door control with Profibus valve terminal ______________A-11

Project 3 Pneumatic door control with Profibus valve terminal

and intelligent slave ________________________________________A-39

Project 4 Profibus-DP system with stack magazine _______________________A-81

Project 5 Profibus-DP system with stack magazine and changer module ______A-95

Part B – Fundamentals

1.

What is a fieldbus system? ______________________________________B-3

1.1

Why fieldbus systems at all? _____________________________________B-4

1.2

Where in a factory is the fieldbus allocated? ________________________B-5

1.3

The allocation of fieldbus systems ________________________________B-9

1.4

Summary __________________________________________________ B-10

2.

Message exchange within a fieldbus system ______________________ B-12

2.1

Master/Slave _______________________________________________ B-12

2.2

Address of station, bus station _________________________________ B-15

2.3

Topology __________________________________________________ B-15

2.4

Data transfer _______________________________________________ B-16

2.5

ISO/OSI reference model _____________________________________ B-17

2.6

Summary __________________________________________________ B-18

3.

Four different fieldbus concepts and types thereof _________________ B-20

3.1

The message orientated concept _______________________________ B-20

3.2

The station orientated concept _________________________________ B-21

3.3

The multi-master concept _____________________________________ B-23

3.4

The installation concept ______________________________________ B-24

3.5

Fieldbus types and their areas of application _____________________ B-26

3.6

Summary __________________________________________________ B-27

© Festo Didactic GmbH & Co. KG • TP 402

3

Contents

4.

The Profibus-DP _____________________________________________ B-28

4.1

Fundamentals ______________________________________________ B-29

4.2

Topology of Profibus-DP ______________________________________ B-30

4.3

Mode of operation of Profibus-DP ______________________________ B-34

4.4

CPU with integrated Profibus-DP master _________________________ B-35

4.5

CPU and external Profibus-DP master ___________________________ B-37

4.6

Active and passive slaves _____________________________________ B-40

4.7

Summary __________________________________________________ B-42

Part C – Solutions

Project 1 Pneumatic door control_______________________________________C-3

Project 2 Pneumatic door control with Profibus valve terminal _______________C-5

Project 3 Pneumatic door control with Profibus valve terminal

and intelligent slave _________________________________________C-7

Project 4 Profibus-DP system with stack magazine _______________________C-13

Project 5 Profibus-DP system with stack magazine and changer module ______C-19

Part D – Appendix

Glossary ___________________________________________________________ D-3

Bibliography ______________________________________________________ D-17

4

© Festo Didactic GmbH & Co. KG • TP 402

Introduction

The training package TP 402 Profibus-DP contains equipment and components for

automation and industrial communication. The example of a Profibus-DP is used to

impart knowledge about fieldbus technology and to acquire the professional skills

to deal with such systems.

Training contents

The general training aim to be achieved with this training package is the ability

•

to design

•

to configure

•

and to commission a Profibus-DP system

With this aim in mind, topics are also discussed that are independent of a special

bus system:

•

Topology of a fieldbus system, master and slave

•

Addressing of fieldbus components

•

Interfaces and connections

•

Data transfer

Significance of these

training contents in

professional practice

The currently occurring, highly dynamic development of networked automation

systems facilitates new types of problem solutions for process technology,

telecontrol technology and remote maintenance.

The aim of industrial communication is to solve automation tasks using a single,

completely integrated and contiguous communication system that is open to office

networks. The benefit of networking is in the cost saving for hardware, assembly and

maintenance.

The configuration and commissioning of such networked automation systems has

not previously been taught in vocational training or if so only in rudimentary form.

An almost 100 % availability is required from a finished installation. In the event of

malfunction, maintenance personnel need to be supported by targeted messages

from the system.

Here too, industrial communication is therefore a relevant training subject.

© Festo Didactic GmbH & Co. KG • TP 402

5

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