Transparent Ready 31006929 10/2009
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31006929 10/2009 Transparent Ready User Guide 10/2009 31006929.02 www.schneider-electric.com The information provided in this documentation contains general descriptions and/or technical characteristics of the performance of the products contained herein. This documentation is not intended as a substitute for and is not to be used for determining suitability or reliability of these products for specific user applications. It is the duty of any such user or integrator to perform the appropriate and complete risk analysis, evaluation and testing of the products with respect to the relevant specific application or use thereof. Neither Schneider Electric nor any of its affiliates or subsidiaries shall be responsible or liable for misuse of the information contained herein. If you have any suggestions for improvements or amendments or have found errors in this publication, please notify us. No part of this document may be reproduced in any form or by any means, electronic or mechanical, including photocopying, without express written permission of Schneider Electric. All pertinent state, regional, and local safety regulations must be observed when installing and using this product. For reasons of safety and to help ensure compliance with documented system data, only the manufacturer should perform repairs to components. When devices are used for applications with technical safety requirements, the relevant instructions must be followed. Failure to use Schneider Electric software or approved software with our hardware products may result in injury, harm, or improper operating results. Failure to observe this information can result in injury or equipment damage. © 2009 Schneider Electric. All rights reserved. 2 31006929 10/2009 Table of Contents Safety Information . 11 About the Book . 13 Chapter 1 Transparent Ready . 17 Transparent Ready . 18 Transparent Ready Service Classes Offered . 22 Users of this Guide . 26 How this Guide Is Organized. 27 Chapter 2 Physical Planning, Design and Installation of a Transparent Ready Industrial Ethernet Network . 29 2.1 Required Standards . 30 On-going Industrial Ethernet Standardization Efforts . 31 Required Standards for Planning and Installation. 34 2.2 Physical Planning and Layout . 36 Industrial Ethernet Cable Planning . 37 Structured Cabling Standards . 38 Cabling in a Transparent Ready Industrial Ethernet System . 42 Understanding Basic Network Structure . 46 Developing Network Architecture for Industrial Ethernet Networks. 53 Redundant Ring Topology. 57 LAN Technologies and Network Design . 59 LAN Hardware. 64 Other LAN Considerations . 66 WAN Technologies and Network Design . 67 WAN Hardware . 70 2.3 Environmental Requirements . 73 Environmental Standards Summary . 74 Mechanical Requirements. 75 Climate Protection Requirements . 77 Ingress Protection Requirement . 79 Electromagnetic Emission and Immunity Requirements. 82 31006929 10/2009 3 2.4 Selection of Industrial Ethernet Components. 83 Ethernet Copper Cables . 84 Fiber Optic Cabling . 88 10/100BaseF Physical Layer Specification . 92 Ethernet Connectors for Copper Networks . 93 Fiber Optic Connectors . 96 Recommended Infrastructure Devices for Industrial Ethernet . 98 2.5 Installation . 99 EMC Installation Rules for Ethernet Networks. 100 Equipotential Bonding . 101 Equipotentially Bonding Your Building. 102 Local Equipotential Bonding of Equipment and Machines. 104 EMC-compatible Ethernet Wiring and Cable Runs . 105 Ethernet Copper Cable Types . 111 Ethernet Copper Cable Tools . 114 How to Make an Ethernet Cable . 115 Cabling Administration. 117 Cabling Documentation . 118 2.6 Verification of a Transparent Ready Industrial Ethernet . 120 Transparent Ready Industrial Ethernet Verification Recommendations . 121 Permanent Links . 122 Channels . 124 Testing a Copper Installation . 126 2.7 Additional Considerations for Designing a Transparent Ready Industrial Ethernet Network . 127 Internet and IP Technologies in an Automation Environment . 128 Open System Interconnection Model. 130 The TCP/IP Model . 131 Transparent Ready Model . 133 IP Addresses and Classes. 136 Multicasting Considerations. 141 Multicast Filtering. 143 Network Management . 145 Routing . 147 Introduction to Remote Access . 149 Remote Access Types. 151 Network Access Methods . 153 PLC Connected to the Internet . 156 Security Issues. 158 4 31006929 10/2009 Chapter 3 Services Overview . 163 3.1 Evaluating System Requirements . 164 Common Services at each Level in the Plant . 165 Company Level Communication . 166 Inter-PLC Level . 167 Field Level Communications . 168 Communication Service Selection. 169 Transparent Ready Support Services and Protocols . 172 3.2 I/O Scanning Service. 177 I/O Scanning Service Description . 178 I/O Scanner Operation . 181 Repetition Rates . 186 Some Common Fault Conditions . 188 Response Times . 189 3.3 Modbus Messaging . 191 Modbus Messaging Service Description . 192 Devices that Support Ethernet Modbus Services . 197 Modbus Client Operations in Quantum Systems . 198 Modbus Client Operations in Premium Systems. 199 Modbus Client Operations in Momentum Systems . 201 Modbus Server Operations in Quantum Systems. 202 Modbus Server Operations in Premium Systems . 205 Modbus Server Operations in Momentum Systems . 207 Modbus Servers and Socket Limits. 208 Modbus Messaging Retry Times and Time-outs. 209 3.4 Global Data Service . 210 The Global Data Service . 211 Global Data Considerations . ..