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1 2 3 4 5 6 7 8 9 a B C D E F G H I J Manual SIMATIC NET PROFIBUS Symbols, Contents PROFIBUS Networks 1 Topologies of SIMATIC NET PROFIBUS 2 Networks Configuring Networks 3 4 SIMATIC NET Passive Components of RS–485 Networks PROFIBUS Networks Active Components of RS–485 Networks 5 Manual Passive Components for PROFIBUS–PA 6 Passive Components for Electrical Networks 7 Active Components for Optical Networks 8 Active Components for Wireless Networks 9 Testing PROFIBUS A Lightning and Surge Voltage Protection for B LAN Cables Between Buildings Installing LAN Cables C Installing Instructions for SIAMTIC NET PROFIBUS Plastic Fiber Optic with Simplex Connenctors or BFOC Connectors and Pul- D ling Loop for the FO Standard Cable Installing Network Components in Cubicles E Dimension Drawings F Operating Instructions ILM / OLM / OBT G General Information H References I SIMATIC NET – Support and Training J 05/2000 Glossary, Index 6GK1970–5CA20–0AA1 Release 2 Safety Guidelines Danger ! indicates that death, severe personal injury or substantial property damage will result if proper precau- tions are not taken. Warning ! indicates that death, severe personal injury or substantial property damage can result if proper precau- tions are not taken. Caution ! indicates that minor personal injury or property damage can result if proper precautions are not taken. Note draws your attention to particularly important information on the product, handling the product, or to a particular part of the documentation. Qualified Personnel Only qualified personnel should be allowed to install and work on this equipment Qualified persons are defined as persons who are authorized to commission, to ground, and to tag circuits, equipment, and sy- stems in accordance with established safety practices and standards. Correct Usage Note the following: Warning ! This device and its components may only be used for the applications described in the catalog or the technical description, and only in connection with devices or components from other manufacturers which have been approved or recommended by Siemens. This product can only function correctly and safely if it is transported, stored, set up, and installed cor- rectly, and operated and maintained as recommended. Trademarks SIMATICR, SIMATIC HMIR and SIMATIC NETR are registered trademarks of SIEMENS AG. HCS is a registered trademark of Ensign–Bickford Optics Company. Third parties using for their own purposes any other names in this document which refer to trademarks might infringe upon the rights of the trademark owners. Copyright Siemens AG 1999 All rights reserved Disclaimer of Liability The reproduction, transmission or use of this document or its contents is not We have checked the contents of this manual for agreement with the hard- permitted without express written authority. Offenders will be liable for ware and software described. Since deviations cannot be precluded entirely, damages. All rights, including rights created by patent grant or registration of we cannot guarantee full agreement. However, the data in this manual are a utility model or design, are reserved. reviewed regularly and any necessary corrections included in subsequent editions. Suggestions for improvement are welcomed. Siemens AG Bereich Automatisierungs– und Antriebstechnik Geschäftsgebiet Industrielle Kommunikation E Siemens AG 1999 Postfach 4848, D-90327 Nürnberg Subject to technical change. Siemens Aktiengesellschaft Order no. 6GK 1970–5AC20–0AA1 Symbols PROFIBUS 830–1 T connecting cable PROFIBUS 830-2 connecting cable LAN cable (twisted-pair) Duplex FO cable Wireless transmission (infrared) Bus connector S7–300 S7–400 ET200S OP25 ET 200M (with IM 153–2 FO) PG/PC/OP AS-i branch PROFIBUS Networks SIMATIC NET 6GK1970-5CA20-0AA1 Release 2 05/2000 i Symbols Optical link module (OLM) Optical bus terminal (OBT) Infrared link module (ILM) Repeater PROFIBUS Networks SIMATIC NET ii 6GK1970-5CA20-0AA1 Release 2 05/2000 Contents Contents 1 PROFIBUS NETWORKS . 1-1 1.1 Local Area Networks in Manufacturing and Process Automation . 1-2 1.1.1 General Introduction . 1-2 1.1.2 Overview of the SIMATIC NET System . 1-3 1.2 Basics of the PROFIBUS Network . 1-5 1.2.1 Standards . 1-7 1.2.2 Access Techniques . 1-8 1.2.3 Transmission Techniques . 1-9 1.2.4 Transmission Techniques According to EIA Standard RS-485 . 1-10 1.2.5 Transmission Techniques for Optical Components . 1-12 1.2.6 Transmission Technique for Wireless Infrared Technology . 1-14 1.2.7 Transmission Technique for PROFIBUS-PA . 1-15 2 Topologies of SIMATIC NET PROFIBUS Networks . 2-1 2.1 Topologies of RS-485 Networks . 2-2 2.1.1 Components for Transmission Rates up to 1.5 Mbps . 2-3 2.1.2 Components for Transmission Rates up to 12 Mbps . 2-4 2.2 Topologies of Optical Networks . 2-5 2.2.1 Topology with Integrated Optical Interfaces . 2-6 2.2.2 Topologies with OLMs . 2-7 2.2.3 Combination of Integrated Optical Interfaces and OLMs . 2-13 2.3 Topologies of Wireless Networks . 2-14 2.4 Topologies with PROFIBUS-PA . 2-17 2.5 Connectivity Devices . 2-20 2.5.1 DP/DP Coupler . 2-20 2.5.2 Connecting to PROFIBUS-PA . 2-22 2.5.3 DP/PA Coupler . 2-23 2.5.4 DP/PA Link . 2-25 2.5.5 Connecting PROFIBUS-DP to RS-232C . 2-28 2.5.6 Connecting with the DP/AS-Interface Link 65 . 2-30 2.5.7 Connecting with the DP/AS-Interface Link 20 . 2-33 2.5.8 Connecting PROFIBUS-DP to instabus EIB . 2-36 3 Configuring Networks . 3-1 3.1 Configuring Electrical Networks . 3-2 3.1.1 Segments for Transmission Rates up to a Maximum of 500 Kbps . 3-3 3.1.2 Segments for a Transmission Rate of 1.5 Mbps . 3-4 3.1.3 Segments for Transmission Rates up to a Maximum of 12 Mbps . 3-8 3.1.4 Configuring Electrical Networks with RS-485 Repeaters . 3-9 3.2 Configuring Optical Networks . 3-11 3.2.1 How a Fiber-Optic Cable Transmission System Works . 3-12 3.2.2 Optical Power Budget of a Fiber-Optic Transmission System . 3-14 3.2.3 Cable Lengths for Plastic and PCF FO Paths . 3-17 3.2.4 Calculating the Power Budget of Glass Fiber Optical Links with OLMs. 3-18 PROFIBUS Networks SIMATIC NET 6GK1970-5CA20-0AA1 Release 2 05/2000 iii Contents 3.3 Transmission Delay Time . 3-22 3.3.1 Configuring Optical Buses and Star Topologies with OLMs . 3-23 3.3.2 Configuring Redundant Optical Rings with OLMs . 3-27 3.3.3 Example of Configuring the Bus Parameters in STEP 7 . 3-31 4 Passive Components for RS-485 Networks . 4-1 4.1 SIMATIC NET PROFIBUS Cables . 4-2 4.1.1 FC Standard Cable . 4-7 4.1.2 FC-FRNC Cable (LAN cable with halogen-free outer sheath) . 4-8 4.1.3 FC Food Cable . 4-9 4.1.4 FC Robust Cable . 4-10 4.1.5 PROFIBUS Flexible Cable . 4-11 4.1.6 FC Underground Cable . 4-13 4.1.7 FC Trailing Cable . 4-14 4.1.8 PROFIBUS Festoon Cable . 4-18 4.1.9 SIENOPYR-FR Marine Cable . 4-22 4.2 FastConnect Bus Connector . 4-24 4.2.1 The FastConnect System . 4-24 4.2.2 Area of Application and Technical Specifications of the FastConnect Bus Connector . 4-25 4.2.3 Using the FastConnect Stripping Tool for Preparing FC Cables . 4-30 4.3 Bus Connectors . 4-32 4.3.1 Area of Application and Technical Specifications of the Bus Connector. 4-33 4.4 Attaching the LAN Cable to the Bus Connector . 4-37 4.4.1 Attaching the LAN Cable to Bus Connector (6ES7 972-0B.11..) . 4-37 4.4.2 Connecting the LAN Cable to Bus Connector (6ES7 972-0BA30-0XA0). 4-40 4.4.3 Connecting the LAN Cable to Bus Connector (6ES7 972-0B.40) . 4-42 4.5 Installing the Bus Connector with Axial Cable Outlet . 4-44 4.6 Plugging the Bus Connector into the Module . 4-46 4.7 Bus Terminals for RS-485 Networks . 4-48 4.7.1 Versions . 4-48 4.7.2 Design and Functions of the RS-485 Bus Terminal . 4-49 4.7.3 Design and Functions of the 12M Bus Terminal . 4-52 4.7.4 Mounting/Attaching the LAN Cables . 4-55 4.7.5 Grounding . 4-58 4.7.6 Technical Data of the RS-485 Bus Terminal . 4-60 4.7.7 Technical Data of the 12M Bus Terminal . 4-61 4.8 Cable Connections . 4-63 4.8.1 Cable Connections to Network Components . 4-63 4.8.2 Cable Connection without Bus Connection Elements.
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