Canoe and Capl

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University of Stuttgart

Institute of Industrial Automation and Software Engineering

Prof. Dr.-Ing. Dr. h. c. P. Göhner

Laboratory Course Industrial Automation

Experiment No. 1

Introduction to CAN

Experiment Instructions

Document Version Management

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QA Datum

Status

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1.0

Linder

02.01.01

accepted

reformatting

1.1

Linder

10.12.01

accepted

Corrections

1.2

Serrano

Li

31.07.02

accepted

Chapter 3.4

2.0

Eberhard

Li

30.09.03

accepted

Complete revision

2.1

Eberhard

Li

30.09.04

accepted

Corrections, Chapter 3.4 added

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Mubarak

Li

21.10.05

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Document name:

Print date:

fpat-v1-can_anleitung-eng_ws04-05.doc

07/12/2011 14:59:00

2

Introduction to CAN

Table of Contents

1

Introduction ........................................................................................................................... 3

1.1

Field Bus Systems ........................................................................................................... 3

1.2

The ISO/OSI Reference Model ....................................................................................... 3

1.3

Contents and Goal of the Experiment ............................................................................. 4

2

CAN Basics ............................................................................................................................ 5

2.1

General Features of CAN ................................................................................................ 5

2.2

Bit Transfer (OSI-layer 1) ............................................................................................... 6

2.3

Message Formats and Bus Access (OSI-layer 2) ............................................................ 6

2.4

Error Detection and Error Handling...