Proyecto

PROFIBUS Installation Guideline for Planning

Version 1.0 Aug 2009

Order No: 8.012

Introduction

PROFIBUS Order No: 8.012 Identification: Office-07-0002

This document has been created by the “Installation Guide” (TC2 WG13) workgroup of the PROFIBUS User Organization.

Published by: PROFIBUS Nutzerorganisation e.V. (PROFIBUS User Organization) Haid-und-Neu-Str. 7 76131 KarlsruheGermany

Phone: +49 721 / 96 58 590 Fax: +49 721 / 96 58 589 info@profibus.com www.profibus.com

All rights reserved, including reprint, reproduction (photocopy, microfilm), storage in data processing systems and translation, both in extracts and completely.

2 / 229 © Copyright by PNO 2009 – all rights reserved

Introduction

Revision log
Version Version 1.0 Date Aug. 17, 2009Changes/history Initial Release of Final Version

3 / 229 © Copyright by PNO 2009 – all rights reserved

Introduction

Table of contents
1
1.1 1.2 1.3 1.4 1.5 1.6 1.7 1.8 1.9 1.10

INTRODUCTION.........................................................13
Preface .......................................................................................... 14 Liabilityexclusion........................................................................ 15 PNO documents ........................................................................... 16 Referenced standards ................................................................. 18 Symbols and their meaning........................................................ 22 About the structure of thisguideline......................................... 27 Collection of lists......................................................................... 29 Before you can start your planning … ...................................... 29 Using PROFIBUS in process automation.................................. 30 Definitions .................................................................................... 31

2
2.1
2.1.1 2.1.2 2.1.3

DESIGN......................................................................33
Determining the PROFIBUS structure ....................................... 34
Dividing the process automation plant ................................................ 35 Setup of an automation unit .................................................................. 36 Setup of a PROFIBUS line..................................................................... 38

2.2
2.2.1 2.2.2

Determining data relevant for the line ....................................... 51
Data transmission rate and transmission distance............................. 52 Communication protocol ....................................................................... 57 4 / 229 © Copyright by PNO 2009 – all rights reserved

Introduction2.2.3 Bus cycle time ........................................................................................ 60

2.3
2.3.1 2.3.2 2.3.3 2.3.4

Special requirements .................................................................. 67
Intrinsic safety ........................................................................................ 68Safety....................................................................................................... 75 Redundancy............................................................................................ 76 Reserve cables ....................................................................................... 77

3
3.1
3.1.1 3.1.2 3.1.3 3.1.4 3.1.5

PLANNING THE CABLING ........................................79
PlanningPROFIBUS DP/ DP-IS cabling..................................... 80
Selecting cables ..................................................................................... 81 Determining connections ...................................................................... 94 Planning bus terminations .................................................................. 105 PROFIBUS DP-IS coupling...