Siemens SIMATIC NET Operating instructions

Contents
SIMATIC
SIMATIC NET
Twisted-Pair and Fiber-Optic
Networks
Manual
This manual has the order number
6GK1970–1BA10–0AA1
General Information
1
Industrial Ethernet Networks
2
Configuring Networks
3
Passive Components for
Electrical Networks
4
Passive Components for
Optical Networks
5
Active Components and
Topologies
6
Guidelines for Installing
Networked Automation
Systems in Buildings
7
Dimension Drawings
Installing Network
Components in Cubicles
8
9
Appendix
References
A
Support and Training
B
OLM/ELM Operating
Instructions
6GK1102–4AA00/6GK1102–5AA00
Edition 05/2001
C79000–G8976–C125–02
OSM/ORM Operating
Instructions
C79000–Z8976–C068–04
Glossary, Index
C
D
Classification of Safety-Related Notices
This manual contains notices which you should observe to ensure your own personal safety, as well as to
protect the product and connected equipment. These notices are highlighted in the manual by a warning
triangle and are marked as follows according to the level of danger:
!
!
!
Danger
indicates that death, severe personal injury or substantial property damage will result if proper
precautions are not taken.
Warning
indicates that death, severe personal injury or substantial property damage can result if proper
precautions are not taken.
Caution
indicates that minor personal injury or property damage can result if proper precautions are not taken.
Caution
indicates that property damage can result if proper precautions are not taken.
Notice
highlights important information on the product, using the product, or part of the documentation that is of
particular importance and that may have detrimental results if ignored.
Note
highlights important information on the product, using the product, or part of the documentation that is of
particular importance and that will be of benefit to the user.
Trademarks
SIMATICR, SIMATIC HMIR and SIMATIC NETR are registered trademarks of SIEMENS AG.
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.
ii
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Safety Instructions Regarding your Product:
Before you use the product described here, read the safety instructions below thoroughly.
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
systems in accordance with established safety practices and standards.
Correct Usage of Hardware Products
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
correctly, and operated and maintained as recommended.
Before you use the supplied sample programs or programs you have written yourself, make certain that
no injury to persons nor damage to equipment can result in your plant or process.
EU Directive: Do not start up until you have established that the machine on which you intend to run this
component complies with the directive 89/392/EEC.
Correct Usage of Software Products
Note the following:
!
Warning
This software may only be used for the applications described in the catalog or the technical description,
and only in connection with software from other manufacturers which have been approved or
recommended by Siemens.
Before you use the supplied sample programs or programs you have written yourself, make certain that
no injury to persons nor damage to equipment can result in your plant or process.
Copyright E Siemens AG 2001 All rights reserved
Disclaimer of Liability
The reproduction, transmission or use of this document or its contents is not
permitted without express written authority. Offenders will be liable for
damages. All rights, including rights created by patent grant or registration of
a utility model or design, are reserved.
We have checked the contents of this manual for agreement with the
hardware and software described. Since deviations cannot be precluded
entirely, we cannot guarantee full agreement. However, the data in this
manual are reviewed regularly and any necessary corrections included in
subsequent editions. Suggestions for improvement are welcome.
Siemens AG
Bereich Automatisierungstechnik
Geschäftsgebiet Industrie-Automatisierung
Postfach 4848, D-90327 Nürnberg
Subject to technical change.
Siemens Aktiengesellschaft
G79000-G8976-C125-02
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
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SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
1
2
3
4
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
1.1
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
1.2
1.2.1
Local Area Networks in Manufacturing and Process Automation . . . . . . .
The SIMATIC NET Communication Systems . . . . . . . . . . . . . . . . . . . . . . . .
1-4
1-6
Industrial Ethernet Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
2.1
Ethernet Standard IEEE 802.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
2.2
Industrial Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5
2.3
Fast Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6
2.4
Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-8
2.5
Example of an Industrial Ethernet Network . . . . . . . . . . . . . . . . . . . . . . . . . .
2-10
Configuring Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1
3.1
3.1.1
3.1.2
3.1.3
3.1.4
Shared LANs (CSMA/CD Networks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial Twisted Pair Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUI Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the Entire Network (Collision Domains) . . . . . . . . . . . . . . . . . .
3-2
3-2
3-4
3-5
3-5
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
Configuring an Industrial Ethernet Shared LAN . . . . . . . . . . . . . . . . . . . . . .
Values for Delay Equivalents and Variability Values . . . . . . . . . . . . . . . . . .
Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OLM Bus Structure via Optical Fiber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Structure Containing only ELMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combining OLMs and ELMs in a Bus Configuration . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with OLMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combinations with Star Couplers and other Network Components . . . . .
3-7
3-7
3-11
3-11
3-13
3-14
3-16
3-19
3.3
Switched LANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-23
3.4
3.4.1
3.4.2
3.4.3
Configuring an Electrical 100 Mbps Switched LAN . . . . . . . . . . . . . . . . . . .
Twisted-Pair Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ESM Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with ESMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-24
3-24
3-25
3-25
3.5
3.5.1
3.5.2
3.5.3
Configuring an Optical 100 Mbps Switched LAN . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OSM Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with OSMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-27
3-27
3-29
3-30
3.6
Redundant Linking of Network Segments with OSMs/ESMs . . . . . . . . . . .
3-31
Passive Components for Electrical Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
4.1
Overview of Twisted-Pair Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
4.2
Industrial Twisted Pair Standard Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
4.3
FastConnect (FC) Twisted-Pair Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9
4.4
Twisted-Pair Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-15
4.5
Preassembled Industrial Twisted Pair (ITP) and
Twisted-Pair (TP) Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preassembled Industrial Twisted Pair Cables . . . . . . . . . . . . . . . . . . . . . . . .
4-19
4-20
4.5.1
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
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5
6
7
vi
4.5.2
4.5.3
Preassembled Twisted-Pair Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Twisted-Pair Port Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-24
4-32
4.6
Industrial Twisted Pair Sub-D Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-34
4.7
RJ-45 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-37
4.8
Industrial Ethernet FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-38
Passive Components for Optical Networks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
5.1
Optical Transmission Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
Glass Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Standard Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDOOR Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flexible Fiber-Optic Trailing Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIENOPYR Duplex Fiber-Optic Marine Cable . . . . . . . . . . . . . . . . . . . . . . .
Special Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3
5-7
5-8
5-9
5-12
5-14
5.3
Connectors for Glass Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-15
Active Components and Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
6.1
6.1.1
6.1.2
6.1.3
6.1.4
Electrical and Optical Link Modules (ELM, OLM) . . . . . . . . . . . . . . . . . . . . .
Components of the Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description of the Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2
6-5
6-5
6-5
6-8
6.2
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.2.9
Optical and Electrical Switch Modules (OSM/ESM) . . . . . . . . . . . . . . . . . .
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Topologies with the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linking Subnets Using the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Linking of Subnets Using the OSM/ESM . . . . . . . . . . . . . . . . .
Components of the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Management of the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-11
6-11
6-12
6-13
6-15
6-17
6-19
6-20
6-21
6-22
6.3
ASGE Active Star Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-24
6.4
6.4.1
6.4.2
6.4.3
6.4.4
MINI OTDE Optical Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Product and Ordering Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Topologies with the MINI OTDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-26
6-26
6-27
6-27
6-27
6.5
6.5.1
6.5.2
6.5.3
6.5.4
Mini UTDE Electrical Transceiver (RJ-45) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Product and Ordering Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Topologies with the Mini UTDE RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-29
6-29
6-30
6-30
6-31
Guidelines for Installing Networked Automation Systems in Buildings . . . . .
7-1
7.1
General Instructions on Networking with Bus Cables . . . . . . . . . . . . . . . . .
7-2
7.2
Protection from Electric Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
Electromagnetic Compatibility of Bus Cables . . . . . . . . . . . . . . . . . . . . . . . .
Measures to Counter Interference Voltages . . . . . . . . . . . . . . . . . . . . . . . . .
Equipotential Bonding System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements of the Power Distribution System . . . . . . . . . . . . . . . . . . . . .
Shielding Devices and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Noise Suppression Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-5
7-6
7-7
7-9
7-13
7-17
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
Arrangement of Devices and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Influence of Power Distribution Systems (EN 50174-2, 6.4.4.2) . . . .
Cable Categories and Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling within Closets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling within Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling outside Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-18
7-18
7-19
7-21
7-21
7-22
7.5
Mechanical Protection of Bus Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-23
7.6
Electromagnetic Compatibility of Fiber-Optic Cables . . . . . . . . . . . . . . . . .
7-25
7.7
7.7.1
Installing LAN Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions for Installing Electrical and Optical LAN Cables . . . . . . . . . . .
7-26
7-26
7.8
Additional Instructions on Installing Fiber-Optic Cables . . . . . . . . . . . . . . .
7-28
7.9
Fitting Twisted Pair Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-29
7.10
Installing and Wiring up the FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . .
7-35
7.11
Connecting Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-39
Installing Network Components in Cubicles . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-1
8.1
IP Degrees of Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-2
8.2
SIMATIC NET Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4
Dimension Drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-1
9.1
Optical Link Module (OLM) and Electrical Link Module (ELM) . . . . . . . . . .
9-2
9.2
Optical Switch Module (OSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-3
9.3
Electrical Switch ModuleESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-6
9.4
ASGE Active Star Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-9
9.5
Optical Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-10
9.6
Mini UTDE RJ-45 Electrical Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-10
9.7
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-11
9.8
Front View of the IE FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-14
9.9
Side View of the IE FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-15
A
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
A-1
B
SIMATIC NET – Support and Training . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
Customer Support, Technical Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B-1
8
9
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Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Glossar-1
Abbreviations
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Index-1
Reply Form
C
OLM/ELM Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C-1
D
OSM/ORM Operating Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
D-1
viii
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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General Information
1
Chapter Overview
1.1
Symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
1.2
1.2.1
Local Area Networks in Manufacturing and Process Automation . . . . . . .
The SIMATIC NET Communication Systems . . . . . . . . . . . . . . . . . . . . . . . .
1-4
1-6
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1-1
General Information
1.1
Symbols
ÇÇ
ÇÇ
Twisted-pair cable
Duplex fiber-optic cable
Industrial Ethernet triaxial cable
Terminating resistor for triaxial cable
727-1 drop cable
MINI OTDE optical transceiver (BFOC)
Mini UTDE electrical transceiver (RJ-45)
Transceiver
ELM
Industrial Ethernet ELM (Electrical Link Module)
OLM
OSM ITP62
ESM ITP80
ESM TP80
Industrial Ethernet OLM (Optical Link Module)
Industrial Ethernet OSM (Optical Switch Module)
Industrial Ethernet ESM (Electrical Switch Module)
Industrial Ethernet ESM (Electrical Switch Module)
Active star coupler (ASGE) with ECTP3 and ECFL2
1-2
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General Information
SIMATIC S7-400
SIMATIC S7-300
Operator panel (OP)
Programming device (PG)
Ê
Printer
Personal Computer (PC)
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1-3
General Information
1.2
Local Area Networks in Manufacturing and Process Automation
General
The performance of control systems is no longer simply determined by the
programmable logic controllers, but also to a great extent by the environment in
which they are located. Apart from operator control and monitoring, this also
means a high-performance communication system.
Distribution in Manufacturing and Process Automation
Distributed automation systems are being used increasingly in manufacturing and
process automation. This means that a complex control task is divided into smaller,
clearly delineated subtasks with distributed control systems. As a result, efficient
communication between the distributed systems is an absolute necessity. Such
distributed structures have, for example, the following advantages:
S
Independent and simultaneous startup of individual sections of a plant or
process
S
Smaller, clearer programs
S
Parallel processing by distributed automation systems (programmable
controllers)
This results in the following:
- Shorter reaction times
- Reduced load on the individual processing units
S
Increased plant or process availability
A comprehensive, high-performance communication system is a must for a
distributed system structure. The basis of such communication systems are Local
Area Networks (LANs) that can be implemented in one of the following ways:
1-4
S
Electrically
S
Optically
S
As an electrical/optical combination
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
General Information
What Does SIMATIC NET Stand For?
With SIMATIC NET, SIEMENS provides open, heterogeneous communication
systems for the various levels of process automation in an industrial environment.
The communication systems are based on national and international standards
according to the ISO/OSI reference model.
SIMATIC NET includes the following:
S
The communication network consisting of the transmission media, medium
attachment and transmission components, and the appropriate transmission
techniques
S
Protocols and services for data transmission between the devices mentioned
above
S
The modules of the programmable logic controller or computer that establish a
connection to the communication network (communications processors “CPs”)
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1-5
General Information
1.2.1
The SIMATIC NET Communication Systems
To handle the wide variety of tasks in automation engineering, SIMATIC NET
provides different communication networks to suit the particular situation.
The topology of rooms, buildings, factories, and complete company complexes and
the prevalent environmental conditions mean different requirements.
The networked automation components also make different demands on the
communication system. To meet these various requirements, SIMATIC NET
provides the following communication networks complying with national and
international standards:
S
AS-interface
The Actuator-Sensor interface (AS-i) for automation at the lowest
automation level for connecting binary actuators and sensors to programmable
controllers via the AS-i bus cable.
S
PROFIBUS
A communication network for the cell and field area complying with the
PROFIBUS standard EN 50170-1-2 or IEC 61158-2 with the hybrid medium
access technique token bus and master-slave. This network is operated on a
twisted-pair or fiber-optic cable.
S
Industrial Ethernet
A communication network for the cell area using baseband technology
complying with IEEE 802.3 and using the CSMA/CD medium access method.
The network is operated at a transmission rate of 10 Mbps on triaxial cable,
glass fiber-optic cable, or shielded twisted pair cable.
S
Fast Industrial Ethernet
A communication network with a transmission rate of 100 Mbps.
This network is implemented using glass fiber-optic cable or shielded twisted
pair cable.
The various SIMATIC NET communication systems can be used alone or
combined with the other systems.
1-6
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Industrial Ethernet Networks
2
Chapter Overview
2.1
Ethernet Standard IEEE 802.3 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
2.2
Industrial Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-5
2.3
Fast Ethernet . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6
2.4
Switching . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-8
2.5
Example of an Industrial Ethernet Network . . . . . . . . . . . . . . . . . . . . . . . . . .
2-10
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2-1
Industrial Ethernet Networks
Communication in an Industrial Environment
The requirements of communication in an industrial environment differ significantly
from those of conventional office communication. This affects practically all
aspects of communication, such as active and passive network components,
attached DTEs, network concepts/topologies, availability, data traffic, and
environmental conditions, to name but a few.
There are also network protocols optimized specifically for industrial
communication, although recently TCP/IP, a classic protocol from office
communication has started to gain ground in manufacturing and process control.
Industrial Ethernet - Designed for Industry
The basic idea behind Industrial Ethernet is to use existing standards (Ethernet
network standards IEEE 802.3) and to add necessary and useful details
specifically for industrial communication.
This results in products with properties adapted to the requirements of a
manufacturing and process environment: Industrial Ethernet - Designed for
Industry.
2-2
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Industrial Ethernet Networks
2.1
Ethernet Standard IEEE 802.3
IEEE Standard 802.3
The international “Institute of Electrical and Electronic Engineers (IEEE)” specified
the first Ethernet standard 10BASE5 /1/ in 1985. This standard based on coaxial
cable as the transmission medium was the basis for the first Industrial Ethernet.
Under the name SINEC H1, this network, enhanced by the introduction of a triaxial
cable, has proved itself for many years in process and manufacturing automation
/6/.
From the very beginning, both the IEEE standard and the SIMATIC NET range of
products have constantly been improved and expanded, further increasing the
flexibility and performance of Ethernet networks. These expansions and
improvements include, for example, the introduction of transmission on fiber-optic
cables and twisted-pair cables and the introduction of Fast Ethernet increasing the
transmission rate by a factor of 10.
The common basis of all these Ethernet versions is baseband signaling and the
CSMA/CD medium access protocol.
Baseband Signaling
According to IEEE 802.3, Ethernet uses the baseband signaling technique. This
means that data is transmitted unmodulated in pulse form on the transmission
medium (for example bus cable). The transmission medium forms a single
transmission channel whose capacity must be shared by the attached DTEs. All
attached DTEs receive the data transmitted on the medium at the same time. At
any one time, only one single DTE is permitted to send data. If more than one DTE
sends data at the same time, a collision occurs on the transmission medium. The
data signals of the DTEs attempting to transmit destroy each other.
Coordinated access to the common transmission medium is obviously necessary.
The IEEE 802.3 standard solves this problem using the CSMA/CD protocol.
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Industrial Ethernet Networks
Network Access Using the CSMA/CD Protocol
CSMA/CD (Carrier Sense Multiple Access with Collision Detect) is also known as
Listen While Talk (LWT).
This is a distributed access technique; in other words, each DTE connected to the
network has the same access rights.
If a DTE wants to send data, it first “listens” to the medium to find out whether
another DTE is already transmitting. If no other DTE is transmitting, it can start its
transmission. If the DTE detects that the transmission medium is being used by a
different DTE, it must wait until the medium is free again.
All DTEs listen to the data transmitted. Based on the destination address
information in the data, a DTE recognizes whether or not it should receive the
data.
If more than one DTE wants to send at the same time and they all detect that the
medium is free, they start to transmit. After a brief time, the transmitted data will
collide.
The DTEs have a mechanism that allows them to detect such collisions. All the
DTEs involved in the collision then stop transmitting, wait for a random time
calculated differently for each individual DTE, and then attempt to send the data
again. This is repeated until one DTE succeeds in transmitting without a collision.
The others then wait until the transmission medium is free again.
Collision Domain
To make sure that the CSMA/CD access technique functions correctly, the span of
an Ethernet network is limited by the maximum permitted propagation time of a
data packet. The distance within which the CSMA/CD protocol functions perfectly
is known as the collision domain. In the classic 10 Mbps Ethernet, the collision
domain is a span of 4520 m. The configuration rules resulting from these
restrictions can be found in the section “Network Configuration”.
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Industrial Ethernet Networks
2.2
Industrial Ethernet
Industrial Twisted Pair (10BASE-T)
Industrial Twisted Pair is based on the Twisted-Pair standard IEEE 802.3i
(10BASE-T) /3/ and operates at a transmission rate of 10 Mbps.
The transmission medium is a shielded cable with two twisted pairs with a
characteristic impedance of 100 ohms. It is terminated according to the 10BASE-T
standard with RJ-45 connectors. As an alternative, sub-D connectors are also
available in the SIMATIC NET product range.
Twisted pair connections are always end-to-end connections between two
electrically active components. This means that there is always a direct link from
one DTE to a port of a network component. The network component is responsible
for regenerating received signals and distributing them by outputting the data again
to all output ports. In the SIMATIC NET Industrial Ethernet network, these tasks
are handled by the OLM, ELM, OSM, and ESM network components. The
maximum length of the link between a DTE and network component (known as the
link segment) must not exceed 100 m.
Fiber Optic (10BASE-FL)
The fiber-optic variant for the 10 Mbps transmission rate in Industrial Ethernet is
based on the IEEE 802.3i standard (10BASE-FL) /4/.
The transmission medium is a multimode fiber-optic cable with glass fibers of the
type 62.5/125 µm or 50/125 µm.
Fiber-optic links are always end-to-end links between two active components. This
means that there is always a direct link between a network component and a port
of another network component. One network component is responsible for
regenerating received signals and distributing them by outputting the data again to
output ports. In SIMATIC NET Industrial Ethernet networks, this task is handled by
the OLM network component.
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Industrial Ethernet Networks
2.3
Fast Ethernet
Fast Ethernet /5/ has the essential features of the classic Ethernet standard with a
data rate increased by a factor of 10 to 100 Mbps. The data format, the CSMA/CD
protocol and the glass fiber-optic cables and category 5 twisted-pair cables are
identical in both systems.
SIMATIC NET products support the following Fast Ethernet specifications:
– 100BASE-TX
over category 5 twisted-pair cable (two pairs)
– 100BASE-FX
over fiber-optic cable (2 fibers)
Table 2-1
Ethernet/Fast Ethernet Compared
Ethernet
Fast Ethernet
IEEE standard
802.3
802.3u
Data rate
10 Mbps
100 Mbps
Duration of a bit
100 ns
10 ns
Access technique
CSMA/CD
Longest packet
1518 bytes
Shortest packet
64 bytes
Address field length
48 bits
Topology
Table 2-1
star, tree, bus
Ethernet/ Fast Ethernet in SIMATIC NET
Ethernet
Supported media
2-6
Coax:
Twisted pair:
FO:
10BASE5
10BASE-T
10BASE-FL
Fast Ethernet
Twisted pair: 100BASE-TX
FO:
100BASE-FL
Network components
Transceivers
OLM
ELM
ASGE
Mini UYDE
Mini OTDE
OSM
ESM
Max. length of a TP trunk
segment
100 m
100 m
Max. length of an FO trunk
segment
Multimode: 3000 m
Multimode: 3000 m
Single mode: 26 km
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Industrial Ethernet Networks
Industrial Twisted Pair (100BASE-TX)
Fast Ethernet over twisted pair is based on the standard IEEE 802.3u
(100BASE-TX) /5/ and operates at a transmission rate of 100 Mbps. The
transmission medium is a shielded cable with two twisted pairs with a characteristic
impedance of 100 ohms. The transmission properties of this cable must meet the
requirements of category 5 cabling (see Glossary). The maximum length of the link
between a DTE and network component (known as the link segment) must not
exceed 100 m. Termination is according to the 100BASE-TX standard with RJ-45
connectors, as an alternative, sub-D connectors are available in the SIMATIC NET
product range.
Twisted pair connections are always end-to-end connections between two
electrically active components. This means that there is always a direct link from
one DTE to a port of a network component. The network component is responsible
for regenerating received signals and distributing them by outputting the data again
to output ports. In SIMATIC NET Industrial Ethernet networks, this task is handled
by the OSM and ESM network components.
Fiber Optic (100BASE-FX)
The fiber-optic variant for 100 Mbps transmission rate in Industrial Ethernet is
based on the IEEE 802.3u standard (100BASE-FX) /5/. The transmission medium
is a multimode fiber-optic cable with glass fibers of the type 62.5/125 µm or 50/125
µm or a single mode fiber-optic cable with glass fibers of the type 10/125 µm.
Fiber-optic links are always end-to-end links between two active components. This
means that there is always a direct link between a network component and a port
of another network component. One network component is responsible for
regenerating received signals and distributing them by outputting the data again to
output ports. In the optical SIMATIC NET Industrial Ethernet network, these tasks
are handled by the Optical Switch Module (OSM) network component.
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Industrial Ethernet Networks
2.4
Switching
Basic Principles of Switching
Switches forward data packets directly from the input port to the output port based
on the address information in the data packet. Switches allow, as it were, a direct
interconnection.
A switch has essentially the following functions:
S
Connecting Collision Domains / Subnets
Since repeaters and hubs (star couplers) function at the physical layer, their use
is restricted to the span of a collision domain.
Switches interconnect collision domains. Their use therefore is not restricted to
the maximum span of a repeater network. Switches actually permit very large
networks to be implemented with spans of up to 150 km.
S
Load Containment
By filtering the data traffic based on the Ethernet (MAC) addresses, local data
traffic remains local. In contrast to repeaters or hubs, which distribute data
unfiltered to all ports / network nodes, switches operate selectively. Only data
intended for nodes in other subnets is switched from the input port to the
appropriate output port of the switch.
To make this possible, a table assigning Ethernet (MAC) addresses to output
ports is created by the switch in a “teach-in” mode.
S
Limitation of Errors to the Network Segment Affected
By checking the validity of a data packet on the basis of the checksum which
each data packet contains, the switch ensures that bad data packets are not
transported further. Collisions in one network segment are not passed on to
other segments.
2-8
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Industrial Ethernet Networks
S
Parallel Communication
Switches have the capability of handling multiple data packets between different
network segments or nodes simultaneously.
Depending on the number of ports the switch has, it establishes several
temporary and dynamic links between different pairs of network
segments/terminals.
The result is an enormous increase in the network’s data throughput, and a
considerable increase in network efficiency.
LAN
LAN
Segment B
Segment B
Segment A
Segment A
Segment D
Segment D
Segment C
Segment C
Data traffic
Switched LAN
Shared LAN
S
S
S
S
Figure 2-1
Each individual segment has the full
range of performance / data rate
Simultaneous data traffic in several
segments; several frames
Filtering:
Local data remains local; only
selected packets go beyond segment
limits
All nodes on the network share the
network performance / data rate
S All data packets pass through all
segments
S At any one time, only one frame on
the network
S Collisions reduce the efficiency of the
network to approx. 40%
networkto approx
. 40%
Switched LAN / Shared LAN Compared
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2-9
Industrial Ethernet Networks
2.5
Example of an Industrial Ethernet Network
Figure 2-2 shows an example of the combination of different technologies and
generations of Industrial Ethernet products in one network.
Network 1
In the high-speed network 1, four OSMs form a redundant ring with 100 Mbps
transmission capacity. If the connected DTEs or network components are suitably
designed, the twisted-pair ports of the OSMs can also be operated at 100 Mbps.
Since OSMs operate as switches, only the maximum lengths of the individual port
connections need to be taken into account during configuration (100 m twisted pair,
3000 m fiber optic).
Network 2
Network 2 also forms a redundant ring. The OLM and star coupler ASGE network
components operate at 10 Mbps using the CSMA/CD medium access method. The
maximum lengths of the individual port connections are limited to 100 m for twisted
pair and 3100 m for fiber-optic between two OLMs. The limits of the collision
domains (max. possible signal propagation time between two nodes) must also be
kept to.
Network 3
Network 3 represents a small system that has existed for years and that is based
on triaxial cable. A SIMATIC NET ELM allows the system to be connected to a
modern large network with switching technology.
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Industrial Ethernet Networks
Example of an Industrial Ethernet Network
1
OSM ITP 62
2
3
3
OLM
OSM ITP 62
OLM
1
Ç
ÇÇÇÇÇÇÇÇ
Ç
Ç
Ç
ÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇ
OSM in the
RM mode
OSM ITP62
Network 1
Network 2
OSM ITP 62
6
2
OLM
3
ELM
Network 3
Ç
Ç
ÇÇÇÇ
Ç
Ç
Ç
Ç
Ç
Ç
Ç
ÇÇ
Ç
Ç
Ç
ÇÇ ÇÇÇÇÇ
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
4
5
4
3
ELM
4
3
1
1.
2.
3.
4.
5.
6.
ITP standard 9/15
TP XP Cord
TP Cord 9/RJ-45
727-1 drop cable
Triaxial cable
Fiber-optic cable (FO)
Figure 2-2
Network Structure with Industrial Ethernet Network Components
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Industrial Ethernet Networks
2-12
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Configuring Networks
3
Chapter Overview
3.1
3.1.1
3.1.2
3.1.3
3.1.4
Shared LANs (CSMA/CD Networks) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Industrial Twisted Pair Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AUI Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Configuring the Entire Network (Collision Domains) . . . . . . . . . . . . . . . . . .
3-2
3-2
3-4
3-5
3-5
3.2
3.2.1
3.2.2
3.2.3
3.2.4
3.2.5
3.2.6
3.2.7
Configuring an Industrial Ethernet Shared LAN . . . . . . . . . . . . . . . . . . . . . .
Values for Delay Equivalents and Variability Values . . . . . . . . . . . . . . . . . .
Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OLM Bus Structure via Optical Fiber . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Structure Containing only ELMS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combining OLMs and ELMs in a Bus Configuration . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with OLMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combinations with Star Couplers and other Network Components . . . . .
3-7
3-7
3-11
3-11
3-13
3-14
3-16
3-19
3.3
Switched LANs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-23
3.4
3.4.1
3.4.2
3.4.3
Configuring an Electrical 100 Mbps Switched LAN . . . . . . . . . . . . . . . . . . .
Twisted-Pair Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ESM Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with ESMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-24
3-24
3-25
3-26
3.5
3.5.1
3.5.2
3.5.3
Configuring an Optical 100 Mbps Switched LAN . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Links . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OSM Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with OSMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-27
3-27
3-29
3-30
3.6
Redundant Link Between Two Network Segments with OSM/ESM . . . . .
3-31
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Configuring Networks
3.1
Shared LANs (CSMA/CD Networks)
Shared LAN
The main feature of shared LANs is that all attached components share the
bandwidth of the transmission medium. At any one time, there can only be one
data packet in transit through the network. All data packets pass through all
segments. One station sends while all others receive. The station obtains the right
to send according to the CSMA/CD medium access method. The products that
operate according to the CSMA/CD medium access method and therefore form
shared LANs include the OLM/ELM, Mini UTDE, Mini OTDE, ASGE star coupler.
Using these components, it is possible to create bus, star and ring structures. The
rules for the network configuration are explained in this chapter. In this respect, it is
advisable to make a distinction between the length restrictions of individual
fiber-optic, twisted pair or AUI links dictated by attenuation characteristics and the
limits of the entire network span (collision domain) as dictated by the Ethernet
principle.
Note
For detailed information about configuring, installing, and operating components of
the SIMATIC NET triaxial network, refer to the manual for triaxial networks
(German/English, order number 6GK1 970-1AA20-0AA0)
3.1.1
Fiber-Optic Links
The optical ports of the OLM, Mini OTDE, ECFL2, and ECFL4 (interface cards for
the ASGE) comply with the IEEE 802.3j: 10BASE-FL standard. This means that
these ports can be linked in any combination.
The ideal media for these links are multimode glass fibers of the type 50/125 µm or
62.5/125 µm.
The length of the FO link that can be inserted depends on the optical power budget
available and the optical power loss at a wavelength of 850 nm.
FO Link Power Budget
A fiber-optic link power budget is available between the transmitter and receiver on
a fiber-optic link.
This represents the difference between the optical power coupled into a particular
fiber by an optical transmitter and the input power required by an optical receiver
for problem-free signal recognition.
3-2
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Configuring Networks
Optical Budget in SIMATIC NET Industrial Ethernet (10BASE-FL)
The 10BASE-FL optical ports operate at a wavelength of 850 nm. In Industrial
Ethernet, the following optical budget is available:
S
50/125 µm fiber:
8 dBm
S
62.5/125 µm fiber:
11 dBm
This power budget can be “used up” as power loss through the fiber-optic
transmission path.
Optical Power Loss
The optical power loss is the cumulative value of all the losses occurring in the
fiber-optic transmission path. These losses can be attributed mainly to the
following causes:
S
Power loss within the fiber itself at a wavelength of 850 nm (refer to the
technical specifications of the particular fiber)
S
Power loss caused by splices (approximately 0.2 dB per splice)
S
Power loss caused by connectors (approximately 0.4 dB per connector)
The values in brackets are approximate values that can be used as a guideline
when configuring a network. The actual link loss should always be checked after
the link has been installed using a power loss measuring device.
If the power loss is equal to or lower than the power budget, the planned fiber-optic
link can be implemented.
The optical power is generally specified in dBm. The dBm unit describes the
logarithmic power ratio to the reference power 1 mW.
Power losses of fibers and splices or connectors are specified in dB.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
3-3
Configuring Networks
SIMATIC NET Glass Fiber-Optic Cables
The SIMATIC NET product range for Industrial Ethernet includes various types of
glass fiber-optic cables with 62.5/125 µm fibers (see “Passive Components for
Optical Networks”).
When connecting SIMATIC NET Industrial Ethernet network components linked
with SIMATIC NET glass fiber-optic cables, the maximum length of the link is
limited as shown in the table below:
Table 3-1
Maximum length of a link with fiber type G 62.5/125 µm between two optical
network components complying with 10BASE-FL (850 nm)
Fiber-Optic Cables
FO power loss
At 850 nm
Available budget
Max. length
Standard fiber-optic cable
<=3.1 dB/km
11 dB
3,500 m
INDOOR fiber-optic
cable
<=3.5 dB/km
11 dB
3,100 m
Flexible fiber-optic
trailing cable
<=3.1 dB/km
11 dB
3,500 m
SIENOPYR duplex FO marine
cable
<=3.1 dB/km
11 dB
3,500 m
3.1.2
Industrial Twisted Pair Links
A twisted pair link is limited to a maximum of 100 m. This link can include a
maximum of 10 m patch cable (TP Cord). This can be implemented with the
following SIMATIC NET twisted-pair cables:
Table 3-2
Max. Cable Lengths with Twisted-Pair Cables
Cable Structure
Cable Type
Max.
length
Max. Total of the Patch
Cables (TP Cord)
In one piece
ITP standard 2x2
(with sub-D
connectors)
100 m
–
Structured
FC standard cable
FC trailing cable
FC marine cable
(connected to RJ-45
FC outlet)
90 m
75 m
75 m
10 m
10 m
10 m
3-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Configuring Networks
3.1.3
AUI Links
According to the “Ethernet” standard IEEE 802.3 /1/ , a maximum length of 50 m is
permitted for AUI links.
Note
When using a CP 1511, the maximum cable length of the AUI link is restricted to
40 m!
3.1.4
Configuring the Entire Network (Collision Domains)
The network span of an Industrial Ethernet network is restricted by the limited
signal propagation time required for the CSMA/CD collision mechanism and by the
need to maintain a minimum gap between two data packets.
Delay Equivalent
The CSMA/CD collision mechanism of a local area network complying with IEEE
802.3 requires a limited signal propagation time. This means that the physical span
of a network (collision domain) is also restricted. Due to the signal propagation
time, a maximum of 4520 m is possible between any two DTEs. Each network
component has a delay equivalent which means a reduction in the maximum value.
The delay equivalent describes the signal delay caused by a component in the
signal path. The value of the signal delay is specified in meters instead of seconds.
The value in meters corresponds to the distance that a signal could travel in this
time if the signal propagated along a cable instead of through the component. The
total of all delay equivalents must be deducted from the overall budget (4520 m).
The remainder of the budget is available for cabling of the individual components.
In this case, it does not matter whether the cabling is optical fiber, Industrial
Twisted Pair, triaxial cable, drop cable etc.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-5
Configuring Networks
Variability Value and Path Variability Value
In a local area network complying with IEEE 802.3, two data packets must have a
certain minimum gap between them. If the gap is smaller, this is known as an
interframe gap error.
The variability value of a component describes the fluctuations in the propagation
time of a data packet through a network component. If two data packets pass
through several network components one after the other, the gap between the
packets is reduced. The sum of the values of all components is the Path Variability
Value (PVV). The PVV on the path between two DTEs must not exceed 40 bit
times (BT); in other words, the gap between packets can be reduced by a
maximum of 40 bit times. This value includes a safety margin that includes, among
other things, the variability value of the first MAU (Medium Attachment Unit, for
example a twisted pair transceiver integrated in the DTE).
By maintaining this maximum value, a minimum gap between the data packets is
guaranteed allowing correct recognition of the data packets. The transceiver that is
possibly connected to the remote, second DTE does not contribute to the reduction
in the interframe gap.
Points to bear in mind when configuring a network:
1. Check your network for critical connection paths. Critical paths are those in
which the signal runs through long sections of cable and a lot of network
components between two nodes.
2. If you consider a connection path to be critical, check the permitted span (delay
equivalents). The sum of the cable lengths between two nodes + the sum of the
delay equivalents of the network components between the two nodes must not
exceed 4520 m.
3. Check any critical paths to ensure that the maximum path variability values
(PVV) are kept to. The sum of the variability values of the network components
between to stations must not exceed 40 bit times.
4. For correct configuration complying with IEEE 802.3, all the paths must satisfy
these conditions.
Note
When using Industrial Ethernet OSMs/ESMs, the delay equivalent and the path
variability value only need to be checked as far as the port of an OSM/ESM, since
the collision domain starts and ends here.
3-6
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.2
Configuring an Industrial Ethernet Shared LAN
The following components and cables are used in an Industrial Ethernet network:
S
Components
– OLM/ELM
– Star coupler with interface cards
– MINI OTDE
S
Cables
– Fiber-optic cables
– Twisted-pair cable, TP Cord
– Triaxial cable
3.2.1
Values for Delay Equivalents and Variability Values
To check the two requirements above, you require the values of the delay
equivalent and the variable value of each individual component. These are
illustrated for the most important components in the tables below.
Optical Link Module (OLM)
Port 1
Port 2
Delay Equivalent
Variability Value
FO
FO
260 m
3 BT
FO
ITP
360 m
6 BT
ITP
ITP
190 m
3 BT
Delay Equivalent
Variability Value
Electrical Link Module (ELM)
Port 1
Port 2
ITP
ITP
190 m
3 BT
AUI
ITP
190 m
3 BT
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-7
Configuring Networks
Optical Star Coupler Cards
Interface Card
Delay Equivalent
Variability Value
ECFL 2
170 m *)
**)
ECFL 4
130 m *)
**)
Delay Equivalent
Variability Value
ECAUI
165 m *)
**)
ECTP 3
55 m *)
**)
UYDE
170 m *)
**)
Electrical Star Coupler Cards
Interface Card
*
The specified delay equivalents of the star coupler cards relate to only
one port (input or output), in contrast to the calculation for the OLM/ELM.
If, for example, there is a change from ECFL2 to ECTP3 at a star coupler,
the 170 m of the ECFL2 and the 55 m of the ECTP3 must be added. This
also applies when the changeover is between the two ports of the same
module, in this case the values of the corresponding interface card must
be doubled.
** The variability values of the star coupler cards depend on the
combinations of interface cards in the star coupler and are listed in Table
3-3.
3-8
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
Other Components (Transceivers, Fan-Out Units, etc.)
Component
Delay Equivalent
Variability Value
Mini OTDE
100 m
2 BT
Mini UTDE
140 m
2 BT
Transceiver
10 m
3 BT
Repeater
140 m
2 BT
Port <-> Port
10 m
3 BT
Port <-> Transceiver
5m
2 BT
15 m
5 BT
8m
4 BT
CP 443-1, CP 343-1,
CP 1514, CP 1613
TP link
AUI link
140 m
0m
0 BT
0 BT
OSM, ESM
TP port
210 m
3 BT
SSV 102 (fan-out unit)
SSV 104 (fan-out unit)
Port <-> Port
Port <-> Transceiver
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-9
Configuring Networks
Table 3-3
Variability Values in Bit Times (BT) for Interface Card Pairs
ECFL2
ECFL4
ECTP3
ECAUI
KYDE-S
UYDE
ECFL2
4 BT
4 BT
5 BT
4 BT
4 BT
7 BT
ECFL4
-
3 BT
5 BT
3 BT
3 BT
6 BT
ECTP3
-
-
5 BT
5 BT
5 BT
6 BT
ECAUI
-
-
-
2 BT
2 BT
4 BT
UYDE
-
-
-
–
–
3 BT
Node 1
Node 2
1
OLM
OLM
1
100 m
100 m
ÇÇÇÇÇ
2000 m
2
1. ITP standard cable 9/15
2. Fiber-Optic Cable (FO)
Figure 3-1
Example of a Simple Configuration
Example of a calculation:
The simple example of a point-to-point link between two DTEs via two OLMs
illustrates how to check the network configuration.
Table 3-4
Sample Calculation for Figure 3-1
Node 1 --> Node 2
Cable Length
Delay Equivalent
Variability Value
140 m
0 BT
360 m
6 BT
360 m
6 BT
140 m
0 BT
Node 1
Node 1 - OLM 1
100 m
OLM 1 (ITP/FO)
OLM 1 - OLM 2
2000 m
OLM 2 (FO/ITP)
OLM 2 - node 2
100 m
Node 2
Sum of cable length
2200 m
Sum of delay equivalents
Totals
1000 m
3200 m
12 BT
The sum of the cable lengths plus the sum of the delay equivalents add up to
3200 m. The PVV is 12 bit times. This means that the configuration can be
implemented.
3-10
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.2.2
Bus Structure
The bus structure allows the cascading of OLMs or ELMs in series via fiber-optic
cables or twisted pair. A distance of 0 to 3100 m is possible between two link
modules connected by optical fiber. With TP cables, a distance of up to 100 m is
possible. If a module develops a fault or there is a break on the cable, the network
breaks down into two subnets. Within these subnets, problem-free operation
remains possible. The advantage of this topology is that large distances can be
covered providing the configuration rules are adhered to.
3.2.3
OLM Bus Structure via Optical Fiber
Up to 11 OLMs can be cascaded in series with a remaining cable length of 1180 m
providing no further network components exist (refer to the sample calculation).
Node 1
Node 2
1
OLM
OLM
OLM
OLM
1
ÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇ
2
1. ITP standard cable 9/15
2. Fiber-Optic Cable (FO)
Figure 3-2
Example of an OLM Bus Structure
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
3-11
Configuring Networks
Sample Calculation (cascading limits)
Number of OLMs
Path Variability Value of
Node 1 to Node 2
Total PVV
2
6 BT + 6 BT
12 BT
4
6 BT + 2 * 3 BT + 6 BT
18 BT
8
6 BT + 6 * 3 BT + 6 BT
30 BT
11
6 BT + 9 * 3 BT + 6 BT
39 BT
12
6 BT + 10 * 3 BT + 6 BT
42 BT > 40 BT !!
Number of OLMs
Delay Equivalent from
Node 1 to Node 2
Remaining Cable Length
2
140 m + 2 * 360 m + 140 m
3520 m
4
140 m + 360 m + 2 * 260 m + 360 m + 140 m
3000 m
8
140 m + 360 m + 6 * 260 m + 360 m + 140 m
1960 m
11
140 m + 360 m + 9 * 260 m + 360 m + 140 m
1180 m
Notes:
3-12
S
If a DTE is connected via the integrated TP port, this attachment must be
included in the length calculation as a delay equivalent of 140 m and a PVV of
0.
S
Each further network component increases the PVV and reduces the remaining
cable length.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.2.4
Bus Structure Containing only ELMs
Up to 13 ELMs can be cascaded in series using TP cables providing no further
network components exist (see sample calculation).
Cascading ELMs via the ITP Ports
Node 2
Node 1
1
ELM
ELM
ELM
2
2
ELM
2
1
1. ITP standard cable 9/15
2. ITP XP standard cable 9/9
Figure 3-3
Example of a Bus Structure with ELMs via ITP Ports
Sample Calculation (cascading limits)
Number of ELMs
Delay Equivalent from
Node 1 to Node 2
Total PVV
2
3 BT + 3 BT
6 BT
4
3 BT + 2 * 3 BT + 3 BT
12 BT
8
3 BT + 6 * 3 BT + 3 BT
24 BT
11
3 BT + 9 * 3 BT + 3 BT
33 BT
12
3 BT + 10 * 3 BT + 3 BT
36 BT
13
3 BT + 11 * 3 BT + 3 BT
39 BT
14
3 BT + 12 * 3 BT + 3 BT
42 BT > 40 BT !!
Number of ELMs
Delay Equivalent from
Node 1 to Node 2
Remaining Cable Length
2
140 m + 190 m + 190 m + 140 m
3860 m
4
140 m + 190 m + 2 * 190 m + 190 m + 140 m
3480 m
8
140 m + 190 m + 6 * 190 m + 190 m + 140 m
2720 m
11
140 m + 190 m + 9 * 190 m + 190 m + 140 m
2150 m
12
140 m + 190 m + 10 * 190 m + 190 m + 140 m
1960 m
13
140 m + 190 m + 11 * 190 m + 190 m + 140 m
1770 m
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
3-13
Configuring Networks
Notes:
3.2.5
S
Each further network component increases the PVV and reduces the remaining
cable length.
S
When cascading OLMs and ELMs using twisted-pair cables, make sure that
you use a crossover cable (cable with XP identifier). This is available in lengths
from 2 to 100 meters. For further information and ordering data, refer to the
chapter “Passive Components for Electrical Networks”.
Combining OLMs and ELMs in a Bus Configuration
A combined OLM/ELM bus structure is also possible. This allows a connection
between an optical network and a triaxial network. The cascading depths that are
possible and the remaining cable lengths depend on the modules being used.
Please note that an interconnection on an OLM from optical fiber to TP produces a
higher delay equivalent and a higher variability value.
Example:
Node 2
Node 1
1
2
OLM
OLM
OLM
ELM
ELM
OLM
3
ÇÇÇÇ
ÇÇÇÇ
3
6
1. ITP standard cable 9/15
2. TP cord 9/RJ45
3. ITP XP standard cable 9/9
Figure 3-4
3-14
4
4
5
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇÇÇÇ
4
OLM
6
4. 727-1 drop cable
5. Triaxial cable
6. Fiber-optic cable (FO)
Example of a Combined OLM/ELM Bus Structure
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
Checking the example:
Node 1 --> Node 2
Delay Equivalent
Variability Value
Node 1
140 m
0 BT
OLM 1 (ITP/FO)
360 m
6 BT
OLM 2 (FO/FO)
260 m
3 BT
OLM 3 (FO/ITP)
360 m
6 BT
ELM 1 (ITP/AUI)
190 m
3 BT
Transceiver
10 m
3 BT
Transceiver
10 m
3 BT
ELM 2 (AUI/ITP)
190 m
3 BT
OLM 4 (ITP/FO)
360 m
6 BT
OLM 5 (FO/FO)
260 m
3 BT
Mini OTDE
100 m
-
Totals
2240 m
36 BT
Remaining values
2280 m
4 BT
The table indicates that the configuration planned in the example is correct and
that a cable length of 2280 m remains for networking the components.
Notes:
S
Each further network component increases the PVV and reduces the remaining
cable length.
S
When cascading OLMs and ELMs using twisted-pair, make sure that you use a
crossover cable (cable with XP identifier). This is available in lengths from 2 to
100 meters. For further information and ordering data, refer to the chapter
“Passive Components for Electrical Networks”.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
3-15
Configuring Networks
3.2.6
Redundant Ring Structure with OLMs
This network topology is a special form of the bus topology. The first and last OLM
are connected together via optical fiber and the ring is therefore closed. Port 5 of
an OLM within this ring structure must be switched to the redundant mode. The
line connected to port 5 then becomes a redundant line that is only used for data
transmission when there is a break in the ring. In contrast to a normal bus
structure, a ring provides increased availability of the network since the data
exchange can be maintained even when an OLM drops out or when the cable is
broken and only the sections affected directly by the problem are segmented.
Note
All OLMs in the redundant ring can only be connected to each other by fiber-optic
cables.
3-16
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
Configuration Rule
A maximum of 11 OLMs can be cascaded in a redundant ring; in other words, a
frame can pass through a maximum of 11 OLMs when being transferred from a
sending to a receiving DTE.
Node 1
1
OLM
Node 2
Highest bus
load in network
Redundant
mode = ON
OLM
OLM
OLM
1
OLM
ÇÇ
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
200 m
400 m
500 m
5
4
600 m
2
1000 m
Shortest section
Redundant line
1. ITP standard cable 9/15
2. Fiber-optic cable (FO)
Figure 3-5
Example of a Redundant Ring Structure with OLMs
The total cable length includes all the cable lengths in the ring and the cables to
the DTEs less the shortest section in the ring (in other words, the worst-case
situation if a section breaks down).
Example:
5 OLMs are connected in a redundant ring. 5 OLMs mean that 3020 m remain for
the cable length. Each DTE with an integrated TP port is connected via a 100 m
TP cable. This means that 2540 m remain for the redundant ring. The sum of the
lengths in this example is 200 m + 400 m + 500 m + 600 m + 1000 m = 2700 m,
minus the shortest section of 200 m leaves 2500 m. This means that the redundant
ring structure has been created according to the configuration rules.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
3-17
Configuring Networks
Note on OLM Version 1:
Version 1 OLMs were no longer supplied from the start of 1998 !
To avoid loss of performance in redundant ring structures with OLM version 1 in
the redundant mode, you must take into account the load distribution in the
network. Follow the steps below:
S
Find out which OLM transfers the highest volume of data via its twisted pair
ports into the redundant ring.
S
Configure the DTEs connected to this OLM so that they take the initiative in
establishing layer 4 connections (active connection establishment).
S
Set up a connection from this OLM to port 5 of an adjacent OLM and switch this
adjacent OLM to the redundant mode.
With OLM version 2.0 in the redundant mode, you do not need to take into account
the load distribution in the network.
If version 1 and version 2.0 OLMs coexist in a redundant ring structure, there will
be less configuration effort involved if you switch the version 2.0 OLM to the
redundant mode.
Notes:
S
If problems occur implementing a redundant optical ring in practice due to the
optical fiber sections being too long, it is possible to get round the problem. To
do this, each module is physically connected to the next but one module. At the
start and end of a bus connected in this way, the two adjacent modules must be
connected to each other (see Figure 3-6).
S
All the modules in a ring must be connected over fiber-optic cables.
OLM
OLM
Figure 3-6
OLM
OLM
OLM
ÇÇÇÇÇÇÇÇ
ÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇ
ÇÇÇÇÇ
ÇÇÇÇÇ
Alternative Cabling Technique for a Network Structure with a Redundant
Optical Ring Topology
3-18
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.2.7
Combinations with Star Couplers and other Network
Components
S
Optical interface cards ECFL2, ECFL4
OLMs can be combined with star couplers in an optical network (see Figure
3-7). A bus structure or redundant ring structure can be created with the ECFL2
or ECFL4. The maximum span of the ring depends, in this situation, on the
combinations.
S
Industrial Twisted Pair interface card ECTP3
Using the ECTP3, you can attach OSMs/ESMs, OLMs, and ELMs to a star
coupler via twisted-pair cables (see Figure 3-7). If you want to cascade
modules, use a crossover cable (cable type XP).
S
UTP Multiport Repeater interface Card UYDE
You can connect DTEs using TP Cord or network components such as the
OSM, ELM, OLM using TP XP Cord to an ASGE star coupler via the RJ-45
jacks of the UYDE. The UYDE operates according to the 10BASE-T standard
at 10 Mbps.
S
Mini UTDE electrical transceiver (RJ-45)
The electrical Mini UTDE RJ-45 transceiver can be plugged in to the AUI
interface of DTEs or network components. It converts the AUl port to a
twisted-pair port with RJ-45 connector technology.
S
MINI OTDE optical transceiver
The optical transceiver can be plugged into all DTEs that have an AUI port. This allows direct
attachment to optical components such as the OLM.
Note
Optical connection of MINI OTDE (10 Mbps) and OSM (100 Mbps) is not possible.
S
Transceiver
ELMs can be attached to a triaxial segment via transceivers and a 727-1 drop
cable. Please remember that if the transceiver has two ports and is version 4 or
earlier, the attachment must be at the left port.
Whatever configuration is used, the configuration guidelines explained in the
previous sections must be adhered to.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-19
Configuring Networks
Example
The following example once again illustrates how to configure a network when
mixing OSMs, OLMs, ELMs, and star couplers. The individual transmission paths
must be checked.
Critical paths are those in which the signal runs through long sections of cable and
a lot of network components between two nodes.
The connection between node 1 and node 3 represents a critical path. Node 3 is
connected to OLM 4 in the redundant ring. In redundant ring structures, make sure
that the worst-case situation is assumed for the connection during configuration.
This means that a connection that is only used redundantly must also be included
although this represents a detour in the normal mode.
3-20
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Redundant
line
redundant mode
Port 5 in the
200 m
6
OLM
300 m
4. 727-1 drop cable
5. Triaxial cable
6. Fiber-optic cable (FO)
5
Ç
Ç
Ç
Ç
1. ITP standard cable 9/15
2. TP cord 9/RJ45
3. ITP XP standard cable 9/9
4
3
OLM
1
Node 4
OLM
400 m
1
OLM
1
100 m
Node 1
Figure 3-7
4
ELM
ELM
6
3
2
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
250 m
OLM
OLM
Node 5
2
3
80 m
3
3
6
100 m
7
50 m
OLM
4
OLM
100 m
1
Node 3
4
300 m
5
OLM
5
ÇÇ
ÇÇÇÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
ÇÇ
Ç
Ç
ÇÇÇÇÇÇ
ÇÇ
Ç
ÇÇÇÇÇÇ
ÇÇ
Ç
ÇÇÇÇÇÇ
ÇÇ
ÇÇÇÇÇÇ
ÇÇ
Ç
ÇÇÇÇÇÇ
ÇÇ
Ç
Ç
ÇÇÇÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇ
ÇÇ
Ç
ÇÇÇÇÇÇÇÇÇÇÇÇ
ASGE
OSM ITP62
6
OSM ITP62
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
OSM ITP62
Node 2
Ê
2
Configuring Networks
Combination of OLMs and Star Couplers
If redundant OLM rings are connected to a star coupler as shown in the example,
this ring must be segmented to a worst-case bus. In the example configuration,
this means that the line between the star coupler and OLM 4 is interrupted (the
lightning strike shown in Figure 3-7). If node 3 on OLM 4 wants to exchange data
with node 1 on OLM 1, the route from OLM 4 via OLM 5, 6 and 7 to the star
coupler must be calculated.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Configuring Networks
Note
If redundant rings are attached to a star coupler structure, when checking the
configuration, the redundant ring must be segmented to produce a worst-case bus
structure. To do this, the shortest connection from the star coupler to one of the
two adjacent OLMs is interrupted.
Table 3-5
Checking the Example
Node 1
--> Node 3
Cable Length
(as Example)
Node 1
Node 1 - OLM 1
225 m
5 BT
260 m
3 BT
260 m
3 BT
260 m
3 BT
360 m
6 BT
140 m
0 BT
1830 m
Sum of the delay equivalents
Totals
6 BT
100 m
Node 3
Sum of cable length
360 m
300 m
OLM 4 (FO/ITP)
OLM 4 - Node 3
3 BT
300 m
OLM 5 (FO/FO)
OLM 5 - OLM 4
260 m
200 m
OLM 6 (FO/FO)
OLM 6 - OLM 5
6 BT
100 m
OLM 7 (FO/FO)
OLM 7 - OLM 6
360 m
80 m
ASGE (ECTP3/ECFL2)
ECFL 2 - OLM 7
0 BT
250 m
OLM 3 (FO/ITP)
OLM 3 - ECTP 3
140 m
400 m
OLM 2 (FO/FO)
OLM 2 - OLM 3
Variability Value
100 m
OLM 1 (ITP/FO)
OLM 1 - OLM 2
Delay Equivalent
2625 m
4455 m
35 BT
The path between node 1 and node 3 is correctly configured; in other words, all the nodes
attached to the redundant ring can exchange data via the star coupler and the line
segment connected to ECTP 3.
3-22
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
The same checks must also be performed for other paths (for example node 1 <->
node 4, node 3 <-> node 4). The configuration is only correct when the limit values
are not exceeded by any of the paths.
Note
The path of nodes 1, 3, 4 and 5 to node 2 only needs to be checked as far as the
first OSM. Due to the way in which the OSM works (“store-and-forward
switching”), every collision domain ends at the port of an OSM.
3.3
Switched LANs
Switched Connection Paths
The main feature of switched LANs is that the connection paths for each data
packet are switched based on the data destination address. At any point in time,
several different data packets can be in transit through the network on different
connection paths. The data packets are transported only through segments that
lead to the receiver. The products that operate according to the switching method
and are therefore used to form switched LANs include the OSM and ESM.
End of the Collision Domain
A further feature of OSMs/ESMs compared with the shared LAN products (OLM
and ELM) is that the collision domain ends at the port of an OSM/ESM. In terms of
configuration, this means that delay equivalents and path variability values do not
need to be checked on connections between OSMs/ESMs.
When structuring the network, you only need to make sure that the permitted
maximum lengths of TP and FO cables are not exceeded.
Up to 50 OSMs/ESMs can be cascaded in a ring or bus structure.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Configuring Networks
3.4
Configuring an Electrical 100 Mbps Switched LAN
Products
The following components and cables are used in a 100 Mbps switched LAN:
S
Components
– Electrical switch module ESM
S
Cables
– Twisted pair cable
– TP cord
3.4.1
Twisted-Pair Links
100BASE-TX
The twisted-pair ports of the ESM comply with the IEEE 802.3u: 100BASE-TX
standard. The connectors are either sub-D-9 or RJ-45 jacks depending on the
ESM variant.
Requirements of Twisted Pair Cables
The twisted-pair cables between two adjacent ESMs must not exceed the following
maximum lengths:
Table 3-6
Max. Cable Lengths with Twisted-Pair Cables
Cable Structure
Cable Type
Max.
length
Max. Total of the Patch
Cables (TP Cord)
In one piece
ITP standard 2x2
(with sub-D
connectors)
100 m
–
Structured
FC standard cable
FC trailing cable
FC marine cable
(connected to RJ-45
FC outlet)
90 m
75 m
75 m
10 m
10 m
10 m
3-24
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.4.2
ESM Bus Structure
100 Mbps Switched LAN with a Bus Structure
The Industrial Ethernet ESMs allow the implementation of 100 Mbps switched
LANs with a bus structure. The maximum distance between two ESMs must not
exceed 100 m. You can cascade the modules to form a bus using any TP port. Up
to a maximum of 50 ESMs can be cascaded.
S7-400
PC
S7-400
S7-300
3
4
4
ESM
ESM
2
ESM ITP 80
2
4
ESM
ESM ITP 80
2
2
2 ITP XP Standard Cable 9/9
3 TP Cord 9/RJ45
4 ITP Standard Cable 9/15
Figure 3-8
Bus with ESMs
3.4.3
Redundant Ring Structure with ESMs
Redundant Electrical Ring
With the aid of an ESM functioning as the redundancy manager (RM), both ends of
an electrical bus made up of ESMs can be closed to form a redundant electrical
ring. The ESMs are connected together using ports 7 and 8. The RM monitors the
ESM bus connected to it, closes the bus if it detects an interruption and therefore
reestablishes a functioning bus configuration.
A maximum of 50 ESMs are permitted in an electrical ring. This allows a
reconfiguration time of less than 0.3 s to be achieved. The RM mode is activated
on the ESM using a DIP switch.
The maximum length of the twisted-pair cable between two ESMs is 100 m. This
means that an electrical ring including 50 ESMs can have a maximum span of 5
km.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-25
Configuring Networks
Note
The reconfiguration time of less than 0.3 s can only be achieved when no
components (for example switches from other vendors) other than ESMs are used
in the redundant ring.
In a ring, one device and one device only must operate in the redundancy
manager mode.
DTEs or complete network segments can be attached to ports 1 – 6 of an ESM
operating in the RM mode.
ESM TP80
ESM TP80
2
ESM TP80
ESM TP80
ESM TP80
2
2
2
2
ESM in
RM mode
ESM TP80
ESM TP80
ESM TP80
ESM TP80
2
2
2
2
2 Structured cabling with SIMATIC NET twisted pair
Figure 3-9
3-26
Redundant Ring Structure with ESMs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.5
Configuring an Optical 100 Mbps Switched LAN
Products
The following components and cables are used an optical 100 Mbps switched LAN:
S
Components
– OSM (I)TPnn (with multimode glass fiber-optic cable)
– OSM (I)TPnn-LD (with single mode glass fiber-optic cable)
S
Cables
– Multimode glass fiber-optic cable type 50/125 µm or 62.5/125 µm
– Single mode glass fiber-optic cable type 10/125 µm
– Twisted-pair cable, TP Cord
3.5.1
Fiber-Optic Links
The optical ports of the OSMs comply with the IEEE 802.3u standard:
100BASE-FX. They operate at a wavelength of 1300 nm.
Multimode glass fibers of the type 50/125 µm and 62.5/125 µm are suitable for the
connection.
To interconnect OSM (I)TPnn-LD (Long Distance Modules), single mode glass
fibers of the type 10/125 µm are the most suitable.
The possible length of the fiber-optic link is decided by the following:
S
The fiber type multimode / single mode
S
The power loss of the fiber at 1300 nm
S
The bandwidth distance product of the fiber
Requirements of Multimode Glass Fiber-Optic Cables
Multimode glass fiber-optic cables between two OSM (I)TPnn modules must meet
the following requirements in terms of power loss and the bandwidth distance
product:
Table 3-7
Max. length of a link with multimode FOCs between two OSM (I)TPnn modules
FO Power Loss
at 1300 nm
Bandwidth Distance
Product
Max. length
50/125 µm
<=2.6 dB/km
>= 500 MHz * km
3,000 m
62.5/125 µm
<=1.6 dB/km
>= 500 MHz * km
3,000 m
Fiber Type
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-27
Configuring Networks
Requirements of Single Mode Fiber-Optic Cables
Single mode glass fiber-optic cables between two OSM (I)TPnn modules must
meet the following requirements in terms of power loss and the bandwidth distance
product:
Table 3-8
Maximum length of a link with single mode FOCs between two OSM (I)TPnn-LD modules
Fiber Type
10/125 µm
FO Power Loss
at 1300 nm
Bandwidth Distance
Product
Max. length
<=2.6 dB/km
>= 500 MHz * km
26,000 m
SIMATIC NET Multimode Glass Fiber-Optic Cables
The SIMATIC NET product range for Industrial Ethernet includes various types of
multimode glass fiber-optic cables with 62.5/125 µm fibers (see “Passive
Components for Optical Networks”).
S
INDOOR fiber-optic cable
S
Fiber-optic standard cable
S
Flexible fiber-optic trailing cable
S
SIENOPYR duplex marine fiber-optic cable
When connecting SIMATIC NET Industrial Ethernet OSMs using
SIMATIC NET multimode glass fiber-optic cables, distances of 0 to 3000 m are
permitted between two adjacent components.
Note
Single mode glass fiber-optic cables with fiber type 10/125 µm are available in
customized lengths. You will find the person to contact in the ”Support and
Training” section of this manual.
3-28
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.5.2
OSM Bus Structure
The Industrial Ethernet OSMs allow the implementation of 100 Mbps switched
LANs with a bus structure. The maximum distance between 2 OSMs is 3000 m or
26 km for the LD variant. Modules are cascaded using the FO ports. Up to 50
OSMs can be cascaded.
Ê
2
1
1
OSM ITP 62
OSM ITP 62
2
OSM ITP 62
OSM ITP 62
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
3
1. ITP standard cable 9/15
2. TP cord 9/RJ-45
3. Fiber-optic cable (FO)
Figure 3-10
OSM Bus Structure
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-29
Configuring Networks
3.5.3
Redundant Ring Structure with OSMs
Redundant Optical Ring
With the aid of an OSM functioning as the redundancy manager (RM), both ends
of an optical bus made up of OSMs can be closed to form a redundant optical ring.
The OSMs are connected together using ports 7 and 8. The RM monitors the OSM
bus connected to it, closes the bus if it detects an interruption and therefore
reestablishes a functioning bus configuration.
A maximum of 50 OSMs are permitted in an optical ring. This allows a
reconfiguration time of less than 0.3 s to be achieved. The RM mode is activated
on the OSM using a DIP switch.
The maximum length of the fiber-optic cable between two OSMs is 3,000 m. This
means that an optical ring including 50 OSMs can have a maximum span of 150
km.
Note
The reconfiguration time of less than 0.3 s can only be achieved when no
components (for example switches from other vendors) other than OSMs are used
in the redundant ring.
In a ring, one device and one device only must operate in the redundancy
manager mode.
DTEs or complete network segments can be attached to ports 1 – 6 of an OSM
operating in the RM mode.
OSM ITP 62
OSM ITP 62
OSM ITP 62
OSM ITP 62
OSM ITP 62
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
1
1
1
1
1
OSM in
RM mode
OSM ITP 62
1
OSM ITP 62
ÇÇÇÇ
ÇÇÇÇÇ
ÇÇÇÇÇ
ÇÇÇÇÇÇÇÇÇÇÇÇÇÇ
1
1 Fiber-optic cable
Figure 3-11
3-30
OSM ITP 62
OSM ITP 62
1
1
Redundant Ring Structure with OSMs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Configuring Networks
3.6
Redundant Linking of Network Segments with OSMs/ESMs
Standby-Sync Port
The standby-sync port allows the connection of two Industrial Ethernet OSMs or
ESMs with one operating as standby master (DIP switch ”Stby off”) and the other
as standby slave (DIP switch ”Stby on”). With this mode, pairs of OSMs/ESMs can
be used for redundant coupling of OSM/ESM or OLM rings.
With network management, the OSM/ESM can also be configured so that several
rings or networks can be interconnected at the same time with two OSMs/ESMs
(see OSM/ESM Network Management, Manual /8/).
Synchronization Cable
The redundant connection between two network segments is on two separate
paths. The standby-sync ports of the two OSMs/ESMs used for the redundant link
are interconnected by a synchronization cable. The cable used for this is a TP-XP
Standard Cable 9/9 with a maximum length of 40 m. The two OSMs/ESMs inform
each other of their operating states via this synchronization cable. One of these
OSMs/ESMs is assigned the redundant function using the DIP switch setting ”Stby
on” (standby slave). The other OSM takes over the function of the standby master
(DIP switch setting ”Stby off”).
Immediately following the failure of the main transmission path, the standby slave
enables the redundant path. If the main path is OK again, the standby master
informs the standby slave. The main path is enabled and the redundant path
disabled again. The reconfiguration time of the redundant ring coupling is less than
0.3 s.
Port Assignment in the Standby Mode
On the standby master and standby slave, only port 1 (standby port) can be used
for the coupling to the neighboring ring. Ports 2 – 6 can be used just as normal
OSM ports.
The port assignment is the default setting of an OSM when shipped.
With network management, it is also possible to configure ports other than port 1
or several ports as standby ports (see also OSM/ESM Network Management
Manual /8/).
Simultaneous Standby and Redundancy Manager Operation
A standby master or standby slave can act as redundancy manager in a redundant
ring at the same time.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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3-31
Configuring Networks
OSM ITP62
Ring 1 (OSM ring)
1
1
OLM
Ç
Ç
Ç
Ç
Ç
OLM
OLM
1
1
OLM
1
Ring 3 (OLM ring)
OLM
OLM
1
1
OLM
2
1
1
1
1
1
2
1
OSM ITP62
2
OSM in
RM mode
ESM ITP80
2
ESM ITP80
Standby
master
2
2
SM ITP80
2
2
Ring 2 (ESM ring)
1
ESM ITP80
Standby
slave
2
ESM ITP80
1
Ç
Ç
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
1
1
1
OSM ITP62
Standby
master
2
OLM
OSM ITP62
1
OSM ITP62
2
1
OSM ITP62
1
OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62
OSM ITP62
1
OSM ITP62
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
ÇÇ
OSM ITP62
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Ç
Standby
slave
OSM ITP62
OSM ITP62
1
ESM in
RM mode
1 Fiber-optic cable
2 ITP XP Standard Cable 9/9
Figure 3-12
3-32
Redundant Coupling of Network Segments
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical
Networks
4
Chapter Overview
4.1
Overview of Twisted-Pair Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2
4.2
Industrial Twisted Pair Standard Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4
4.3
FastConnect (FC) Twisted-Pair Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-9
4.4
Twisted-Pair Cord . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-15
4.5
4.5.1
4.5.2
4.5.3
Preassembled Industrial Twisted Pair (ITP) and
Twisted-Pair (TP) Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Preassembled Industrial Twisted Pair Cables . . . . . . . . . . . . . . . . . . . . . . . .
Preassembled Twisted-Pair Cords . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Twisted-Pair Port Converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-19
4-20
4-24
4-32
4.6
Industrial Twisted Pair Sub-D Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-34
4.7
RJ-45 Connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-37
4.8
Industrial Ethernet FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-38
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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4-1
Passive Components for Electrical Networks
4.1
Overview of Twisted-Pair Cables
This chapter describes the technical properties of Industrial Twisted Pair and
twisted-pair cables. First, the unassembled cable types are described followed by
the available preassembled cables.
ITP (Sub-D Connectors)
To establish a direct link between nodes and network components, the ITP
Standard Cable preassambled with robust sub-D male connectors is available.
This allows a cable length of up to 100 m without patch cables.
FC Twisted-Pair
For structured cabling within a factory, the FC twisted-pair cabling system is ideal.
Using the FastConnect (FC) system for Industrial Ethernet, structured cabling from
the office environment has been further developed for use in the factory.
Connectors can be fitted to the FastConnect cables quickly on site. As a result, the
RJ-45 cabling technology as an existing standard is now also available for an
industrial environment allowing structured cabling (patch cables, patch panel,
installation cables, outlets, outlet cables).
Guidelines for Laying Cables
You will find information about laying SIMATIC NET twisted-pair cables in Section
7.7 in this manual.
4-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Structured Cabling
Structured cabling complying with EN 50173 describes the tree-structured cabling
of building complexes for information technology purposes regardless of the
applications used. A building is divided into the following areas:
S
Primary area
(interconnection of buildings of a campus)
S
Secondary area
(interconnection between floors of a building)
S
Tertiary area (information technology connectors for the DTEs of a floor)
The structured cabling that can be implemented with the Industrial Ethernet
FastConnect system complies with the tertiary cabling described in EN 50173.
Active
signal distributor
DTE
ESM TP80
A
FC Outlet RJ-45
Drop cable
Cable tap
C
FC Outlet RJ-45
Tertiary cable
B
Figure 4-1
System Configuration with FC Outlet RJ-45
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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4-3
Passive Components for Electrical Networks
Maximum Cable Lengths
Table 4-1
Structured Cabling Complying with EN 50173
Uses
SIMATIC NET Cable
Maximum Length
Drop cable
TP cord
A+C max. 10 m
Tertiary cable
FC TP Standard Cable
FC TP Trailing Cable
FC TP Marine Cable
B max. 90 m
B max. 75 m
B max. 75 m
Note
Industrial Twisted Pair cables (TP Standard Cable) are intended for use inside
buildings.
Twisted-pair cables (TP Cord) are intended for use in areas where EMI levels are
low such as in an office or a wiring closet.
4.2
Industrial Twisted Pair Standard Cable
Structure of the Standard Cable
The standard cable is designed as a 100 Ω S/STP cable (screened/shielded
twisted pair) with two pairs of wires. The basic element consists of two twisted
wires along with two blind elements, known as a twisted pair.
The wires are solid copper covered by an insulation layer of cellular polyethylene
which is further covered by a non-cellular foam skin. The color coding of the
conductors can be seen in Table 4-2. The cables have an outer sheath of green
PVC.
Table 4-2
Color Coding of the Pairs
1
Pair
4-4
2
Conductor a
white
white
Conductor b
blue
orange
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Electrical Networks
Shielding
Each pair of wires is shielded by two plastic laminated aluminum foils with an
external contact surface. All the pairs making up the cable are surrounded by a
braided shield of tin-plated copper wires (coverage approximately 90%).
Pair 2 (white/orange)
Pair 1 (white/blue)
Surrounding braided shield
Blind elements
(tin-plated copper braid)
(pair 1)
Outer sheath
(green)
I 0086m SIEMENS SIMATIC NET INDUSTRIAL ETHERNET ITP 6XV1 850-0AH10
Meter marker
(consecutive number)
Pair shield
(plastic laminated
aluminum foil)
Plastic foil
Blind elements
(pair 2)
Outer sheath
(green)
Plastic foil
Pair 2 (white/orange)
Pair shield
(plastic laminated
aluminum foil)
Surrounding braided shield
(tin-plated copper braid)
Pair 1 (white/blue)
Blind element
Figure 4-2
Structure of the Two-Pair Industrial Twisted Pair Standard Cable
Labeling
The standard cable is labeled as follows:
”SIEMENS SIMATIC NET INDUSTRIAL ETHERNET ITP”.
If the cable is supplied without connectors, the label above is followed by the order
number “6XV1850-0AH10”.
There are also markers at one meter intervals. These make it simple to check the
length of the cable.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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4-5
Passive Components for Electrical Networks
Technical Specifications
Table 4-3
Electrical Data of the ITP Standard Cable at 20 °C
Cable categories
complying with EN
50173
CAT5
DC loop resistance
maximum
124 Ω/km
DC insulation resistance
minimum
5 GΩ x km
maximum
3.6 dB
Attenuation/100 m
at
4
MHz
10
MHz
5.7 dB
100
MHz
18.0 dB
Near end crosstalk loss
(NEXT)/100 m
at 1 to 300
MHz
Characteristic
impedance
at
Transfer impedance
at
Structural return loss
at
minimum
1 to 100 MHz
100 Ω ±15%
100 to 300 MHz
10
80 dB
100 Ω +45/-30%
MHz
maximum
2 mΩ/m
1 to100 MHz
minimum
23 dB
100 to 300 MHz
15 dB
Longitudinal conversion
loss
minimum
43 dB
Capacitance unbalance
pair to ground
maximum
3400 pF/km
Dielectric strength at 50
Hz
effective value
-- conductor/conductor
-- conductor/shield
4-6
1 min
700 V
1 min
700 V
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Table 4-4
Mechanical Data of the ITP Standard Cable
Standard code
J-02YSCY 2x2x0,64/1,5 PIMF F GN
∅ Conductor
0.64 mm
∅ Outer (approx.)
(9.2x6 ± 0.5) mm
Approximate thickness of the outer sheath
0.8 mm
Bend radius:
Over the flat side
Multiple bends
≥ 45 mm
Single bend
≥ 30 mm
Tensile strength
Pressure load
≤80 N
Maximum permitted load: 5 kN/10 cm
Test complying with IEC 794-1 E3
Temperature range:
Operation
-40 °C...70 °C
Installation/assembly
- 5 °C...50 °C
Transport/storage
-40 °C...70 °C
Copper weight
46 kg/km
Net weight
90 kg/km
Free of halogens
no
Resistance to fire
Flame-retardant complying with DIN VDE 0472,
Part 804 test type B and IEC 60332-1
Resistance to oil
Resistant to mineral oils and fats complying with
VDE 0472 Part 803
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Electrical Networks
Notes on Installation
The maximum total length of a segment is 100 m. To obtain the best transmission
characteristics, the segment should consist of one single section of cable. In
special situations (for example when passing through two closets), the segment
can consist of up to three separate sections of cable.
The excellent transmission characteristics of the entire system can be guaranteed
only when SIEMENS Industrial Ethernet network components are used exclusively.
Assembling Cables with Twisted-Pair Sub-D Connectors
When assembling Industrial Twisted Pair cables yourself, make sure that you only
combine the Industrial Twisted Pair standard cable 2x2 with the SIMATIC NET
Industrial Twisted Pair sub-D connector for assembly on site. The dimensions of
these two components match each other.
Do Not Connect to FC Outlet RJ-45
The Industrial Twisted Pair standard cable 2x2 is not suitable for connection to the
FC Outlet RJ-45 due to its diameter. Use FastConnect (FC) twisted-pair cables for
connection to the FC Outlet RJ-45.
Versions Available
The two-pair standard cable is available as a preassembled cable with 9-pin or
15-pin sub-D connectors or can be ordered without connectors in meters.
The following preassembled cables use Industrial Twisted Pair standard cable:
4-8
S
ITP standard cable 9/15
S
ITP XP standard cable 9/9
S
ITP XP standard cable 15/15
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
4.3
FastConnect (FC) Twisted-Pair Cables
General
When installing Industrial Ethernet networks, there are various cable types
available for different applications.
The Industrial Ethernet FC cables listed should be used.
The symmetrical radial structure of the FastConnect (FC) twisted-pair cables
allows the use of the IE FC stripping tool. With this tool, connecting to the FC
Outlet RJ-45 is fast and simple.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-9
Passive Components for Electrical Networks
Design
The FastConnect (FC) twisted-pair cable is a shielded cable with a symmetrical
radial design and 100 Ω characteristic impedance. The cable consists of 4
conductors arranged as a star quad.
The FC TP Standard Cable has solid cores, the FC TP Trailing Cable and the FC
TP Marine Cable have stranded cores.
Cores
(star quad)
Surrounding braided mesh shield
(tin-plated copper braid)
Outer sheath
Plastic foil
SIEMENS SIMATIC NET INDUSTRIAL ETHERNET FC TP
Plastic laminated
Aluminum foil
Inner sheath
Dummy cores
Wire
Aluminum foil
Outer sheath
Inner sheath
Figure 4-3
4-10
Dummy core
Surrounding braided shield
Plastic foil
Cross Section of the FastConnect (FC) Twisted-Pair Cable
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Technical Specifications
Table 4-5
Electrical Specifications of the FastConnect (FC) Twisted-Pair Cables
Cable Type 1)
Industrial Ethernet
FC TP Standard
Cable
Industrial Ethernet
FC TP Trailing Cable
Industrial Ethernet
FC TP Marine Cable
Areas of application
Universal application
Use in drag chains
Marine and
offshore applications 2)
Attenuation
at 10 MHz
at 100 MHz
≤ 6.5 dB/100 m
≤ 22.0 dB/100 m
≤ 7.8 dB/100 m
≤ 26.4 dB/100 m
≤ 7.8 dB/100 m
≤ 26.4 dB/100 m
Characteristic impedance
at 1-100 MHz
100 Ω ±15% Ω
100 Ω ± 15% Ω
100 Ω ± 15% Ω
Near end crosstalk loss
at 1-100 MHz
≥ 35 dB/100 m
≥ 35 dB/100 m
≥ 35 dB/100 m
Transfer impedance
at 10 MHz
≤ 10 mΩ/m
≤ 10 mΩ/m
≤ 10 mΩ/m
DC loop resistance
≤ 124 Ω/km
≤ 120 Ω/km
≤ 120 Ω/km
DC insulation resistance
> 500 MΩ x km
> 500 MΩ x km
> 500 MΩ x km
Electrical Data at 20 °C
1) Electrical properties at 20 °C, tested according to DIN 0472
2) Ship building approvals:
-- Germanischer Lloyd
-- Lloyds Register of Shipping
-- Bureau Veritas
-- Det Norske Veritas
-- ABS Europe LTD
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-11
Passive Components for Electrical Networks
Table 4-6
Mechanical Specifications of the FastConnect (FC) Twisted-Pair Cables
Cable Type
Industrial Ethernet
FC TP Standard
Cable
Industrial Ethernet
FC TP Trailing Cable
Industrial Ethernet
FC TP Marine Cable
2YY (ST) CY
2x2x0.64/1.5-100 GN
2YH (ST) C11Y
2x2x0.75/1.5-100 LI
VZN GN FRNC
L-9YH (ST) CH
2x2x0,34/1.5-100
GN VZN FRNC
Inner core ∅ (copper)
0.64 mm
0.75 mm
0.75 mm
Insulation
PE ∅ 1.5 mm
PE ∅ 1.5 mm
PP ∅ 1.5 mm
Inner sheath
PVC ∅ 3.9 mm
FRNC ∅ 3.9 mm
FRNC ∅ 3.9 mm
Outer sheath
PVC
∅ (6.5 ± 0.4) mm
PVC
∅ (6.5 ± 0.2) mm
FRNC
∅ (6.5 ± 0.4) mm
--40 °C to +70 °C
--40 °C to +70 °C
--20 °C to +60 °C
--40 °C to +70 °C
--50 °C to +70 °C
--20 °C to +60 °C
--25 °C to +70 °C
--40 °C to +70 °C
0 °C to +50 °C
Permitted bend radius
multiple
single
8x∅
5x∅
8x∅
5x∅
8x∅
5x∅
Bending cycles
--
5 million 3)
--
Permitted tensile stress
≤ 150 N
≤ 150 N
≤ 150 N
Weight
70 kg/km
63 kg/km
68 kg/km
Free of halogens
no
yes
yes
Behavior in fire
Flame retardant to
IEC 332-1
Flame retardant to
IEC 332-1
Flame retardant to
IEC 332-3 Cat.A/F
Resistance to oil
Cond. oil resistant
Cond. oil resistant
Cond. oil resistant
UL listed
yes
yes
yes
UV resistance
yes
yes
yes
Cable type
(standard code)
Environmental conditions
-- Operating temperature
-- Transport/storage
temperature
-- Installation temperature
approx.
3) at a bent diameter of 200 mm
Application
4-12
S
FC TP Standard Cable:
Standard bus cable specially designed for fast assembly.
S
FC TP Trailing Cable:
Bus cable for special applications with forced movement in a drag chain; for
example with permanently moving machine parts (stranded cores,
halogen-free).
S
FC TP Marine Cable:
Bus cable specially for use on ships (stranded cores, halogen-free, certified for
ship building).
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Advantages
S
For structured cabling in the factory
S
Time-saving due to simple and fast installation with FastConnect cables and the
Industrial Ethernet FC Outlet RJ-45
S
Specific versions for different applications
-- FC TP Standard Cable
-- FC TP Trailing Cable
-- FC TP Marine Cable
S
High noise immunity due to double shielding
S
Easy length measurement with printed meter markers
S
Exceeds the requirements of category 5 of the international cabling standards
ISO/IEC 11801 and EN 50173
Notes on Installation
The bus cables are sold in meters.
FastConnect
Using the Industrial Ethernet FastConnect stripping tool, the outer jacket and shield
of Industrial Ethernet FastConnect cables can be stripped to correct lengths in a
single action. This allows the Outlet RJ-45 to be connected quickly and simply to
the Industrial Ethernet FC cable.
Note the reduced maximum length for FC TP Trailing and FC TP Marine
Cable
Due to the stranded cores used in the two special cables FC TP Trailing Cable and
FC TP Marine Cable, the signal attenuation is higher. To avoid exceeding the
maximum permitted attenuation of a transmission link, the maximum distance
between two FC Outlet RJ-45 taps for FC TP Trailing Cable or FC TP Marine
Cable is 75 m.
Do not use with twisted-pair sub-D connectors
FastConnect twisted-pair cables are not suitable for the use of Industrial Twisted
Pair sub-D connectors due to their diameter. If you assemble Industrial Twisted
Pair cables yourself with sub-D connectors, use only Industrial Twisted Pair
standard cable!
Laying Cables
During storage, transport, and installation, the bus cable must be closed at both
ends with a shrink-on cover. Make sure that you do not exceed the bend radii and
tensile stress!
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
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Passive Components for Electrical Networks
Ordering Data
Table 4-7
Order number
Industrial Ethernet
FC TP Standard Cable
6XV1 840-2AH10
TP installation cable for attachment to Industrial Ethernet FC Outlet RJ-45
for universal application, 4-wire, shielded, sold in meters, maximum length
available 1000 m, minimum length 20 m.
Industrial Ethernet
FC TP Trailing Cable
6XV1 840-3AH10
TP installation cable for attachment to the Industrial Ethernet FC Outlet
RJ-45 for use in a drag chain, 4-wire, shielded, maximum length available
1000m, minimum length 20m.
Industrial Ethernet
FC TP Marine Cable
6XV1 840-4AH10
TP installation cable for attachment to Industrial Ethernet FC Outlet RJ-45,
approved for ship building, 4-wire, shielded, maximum length available
1000m, minimum length 20m.
Industrial Ethernet FC Stripping Tool
Preset insulation stripping tool for fast stripping of Industrial Ethernet FC
cables
6GK1 901-1GA00
Industrial Ethernet FC Blade Cassettes
6GK1 901-1GB00
Cassette with spare blades for the Industrial Ethernet Stripping Tool, set of 5
Industrial Ethernet FC Outlet RJ-45
4-14
6GK1 901-1FC00-0AA0
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
4.4
Twisted-Pair Cord
General
The TP Cord is used to attach DTEs to the Industrial Ethernet FC cabling system.
It is intended for use in an environment with low levels of noise, such as in an
office or within wiring closets.
To distinguish between crossover and straight through cables, the RJ-45
connectors are color-coded. On crossover cables, the RJ-45 connectors are red at
both ends, on straight through cables, the RJ-45 connectors are green at both
ends.
A maximum of 10 m of twisted-pair cord can be used between two devices. With
structured cabling using two TP Cord cables, the two patch cables together must
not exceed this length.
Adapter cables are used to connect devices with a sub-D port to devices with an
RJ-45 port.
The TP port converter is used to connect a DTE with an RJ-45 interface to the
Industrial Twisted Pair cabling system.
Design
The cable consists of two pairs of wires each pair twisted together (PIMPF
structure). Each pair is shielded with an aluminum foil. The outer shield is a
tin-plated copper braid mesh. The outer sheath is PVC.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-15
Passive Components for Electrical Networks
Shielding
Each pair of wires is shielded by two plastic laminated aluminum foils with an
external contact surface. All the pairs making up the cable are surrounded by a
braided shield of tin-plated copper wires (coverage approximately 88%).
Pair 2 (white/orange)
Outer sheath
(green)
Pair 1 (white/blue)
Surrounding braided shield
(tin-plated copper braid)
SIEMENS SIMATIC NET INDUSTRIAL ETHERNET TP CORD CAT5 (600MHz)
Pair shield
(plastic laminated
aluminum foil)
Plastic foil
Outer sheath
(green)
Plastic foil
Pair 2 (white/orange)
Pair shield
(plastic laminated
aluminum foil)
Surrounding braided shield
(tin-plated copper braid)
Figure 4-4
Pair 1 (white/blue)
Structure of the two-pair TP Cord (PIMF)
Labeling
The TP Cord is labeled as follows:
”SIEMENS SIMATIC NET INDUSTRIAL ETHERNET TP CORD CAT5 (600MHz)”.
4-16
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Technical Specifications
Table 4-8
Electrical Data of the Twisted-Pair Cord at 20oC
Cable category
(EN 50173)
CAT5
DC loop resistance
maximum
300 Ω/km
DC insulation resistance
minimum
150 MΩ x km
Attenuation/100 m
at
4
MHz
10
MHz
maximum
9.0 dB
100
MHz
28.5 dB
4
MHz
minimum
5.7 dB
Near end crosstalk
loss
(NEXT)/100 m
at
Char. impedance
at
1 to 100 MHz
Transfer impedance
at
10
MHz
maximum
10 mΩ/m
Structural return loss
at
1 to 20
MHz
minimum
23 dB
10
MHz
80.0 dB
100
MHz
72.5 dB
100 Ω±15%
20 to 100 MHz
Longitudinal conversion
loss
Capacitance unbalance
pair to ground
at
80.0 dB
1
kHz
Dielec. strength at 50 Hz
23 dB -- 10log(f/20)
minimum
43 dB
maximum
1600 pF/km
effective value
--conductor/conductor
1 min
700 V
-- conductor/shield
1 min
700 V
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-17
Passive Components for Electrical Networks
Table 4-9
Mechanical Data of the Twisted-Pair Cord
Standard code
LI02YSCY 2x2x0,15/0.98 PIMF GN
∅ Copper wire
0.5 mm
Outer dimensions
approx. 3.7 x 5.8 mm
Thickness of the outer sheath
approx. 0.5 mm
Bend radius:
single bend
multiple bends
≥ 20 mm over the narrow side
≥ 30 mm over the narrow side
Tensile strength:
≤ 48 N
Temperature range:
Operation
-40 oC...70 oC
Installation/assembly
-20 oC...50 oC
Transport/storage
-40 oC...70 oC
Net weight
33 kg/km
Free of halogens
no
Resistance to fire
Flame-retardant to DIN VDE 0472, Part 804 test type B
Versions Available
The following preassembled cables use TP cord:
4-18
S
TP Cord RJ-45 / RJ-45 with 2 RJ-45 connectors
S
TP XP Cord RJ-45 / RJ-45 with 2 RJ-45 connectors (crossover)
S
TP cord 9/RJ-45 with one 9-pin sub-D and one RJ-45 connector
S
TP cord 9 / RJ-45 with one 9-pin sub-D and one
RJ-45 connector (crossover)
S
TP Cord 9 -45 / RJ-45 with one 9-pin sub-D male connector (45o cable outlet)
and one RJ-45 connector
S
TP XP Cord 9-45/ RJ-45 with one 9-pin sub-D male connector (45o cable outlet)
and one RJ-45 connector (crossover)
S
TP cord 9 / RJ-45 with one 9-pin sub-D and one (crossover)
S
TP Cord RJ-45/15 with one 15-pin sub-D and one RJ-45 connector
S
TP XP Cord RJ-45/15 with one 15-pin sub-D and one RJ-45 connector
(crossover)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
4.5
Preassembled Industrial Twisted Pair (ITP) and
Twisted-Pair (TP) Cables
Use of Preassembled Cables
Preassembled SIMATIC NET cables are available to connect DTEs and network
components.
Industrial Twisted Pair (ITP) Cables
Preassembled Industrial Twisted Pair cables are intended for direct links (without
patch cables) of up to 100 m in length between two devices.
Due to the double, extra thick shielding, Industrial Twisted Pair cables are
particularly suitable for an industrial environment with high levels of EMI, for
example for a connection between wiring closets.
Twisted-Pair (TP) Cables (Cord)
The flexibility of the cord cables allows simple installation, for example in a wiring
closet or to connect devices in a control room with low EMI levels.
A maximum of 10 m of twisted-pair cord can be used between two devices. With
structured cabling using two twisted-pair patch cables, this length is maximum for
both patch cables together.
Adapter cables are used to connect devices with a sub-D port to devices with
RJ-45 port.
To convert the RJ-45 interface of a DTE to a 15-pin sub-D interface of the ITP
cabling system, you can use the TP converter cord 15/RJ-45.
Note
Other special cables and special lengths are available on request. You will find a
contact address in Appendix B.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-19
Passive Components for Electrical Networks
4.5.1
Preassembled Industrial Twisted Pair Cables
General
Preassembled Industrial Twisted Pair cables use the sturdy 9 or 15-pin sub-D
connectors on an ITP standard cable. These cables have the additional “ITP”
marking. These cables require DTEs and network components with Industrial
Twisted Pair ports.
The connection between an active network component and the DTE is established
with an Industrial Twisted Pair cable with a 9-pin (network component end) and a
15-pin sub-D connector at the DTE end.
To connect two active network components, an Industrial Twisted Pair cable with
two 9-pin sub-D connectors is used. The two wire pairs are crossed over. Crossed
wires have the additional “XP” marking (crossed pairs).
To connect two DTEs to each other, an Industrial Twisted Pair cable with two
15-pin sub-D connectors is used. The wire pairs are again crossed over and this
cable also has the additional “XP” marking.
4-20
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Product Range
The following preassembled Industrial Twisted Pair cables are available:
Table 4-10 Industrial Twisted Pair Cable Products
Cable
Name
Use
Suppliable
Lengths
Order number
ITP standard cable 9/15
ITP installation cable is used
for direct attachment of DTEs
with an ITP port to Industrial
Ethernet network
components with an ITP port;
with one 9-pin and one 15-pin
sub-D connector
2 m, 5 m, 8 m,
12 m, 15 m,
20 m, 30 m,
40 m, 50 m,
60 m, 70 m,
80 m, 90 m,
100 m
6XV1850-0Bxxx 1)
ITP XP standard cable 9/9
Crossover ITP installation
cable for direct connection of
two Industrial Ethernet
network components with an
ITP port;
with two 9-pin sub-D
connectors
2 m, 5 m, 8 m,
12 m, 15 m,
20 m, 30 m,
40 m, 50 m,
60 m, 70 m,
80 m, 90 m,
100 m
6XV1850-0Cxxx 1)
ITP XP standard cable 15/15
Crossover ITP installation
cable for direct connection to
DTEs with an ITP port;
with two 15-pin sub-D
connectors
2 m, 6 m, 10 m
6XV1850-0Dxxx 1)
1) For a complete list of the order numbers, refer to the catalog IK PI
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-21
Passive Components for Electrical Networks
Network component
NC
S7-400
S7-300
Preassembled Industrial Twisted Pair cable
Connector
Sub-D-9
Connector
Sub-D-15
ITP Standard
Cable 9/15
Network component
NC
Network component
Preassembled Industrial Twisted Pair cable
Connector
Sub-D-9
NC
Connector
Sub-D-9
ITP XP Standard
Cable 9/9
S7-400
S7-400
S7-300
S7-300
Preassembled crossover
Industrial Twisted Pair cable
Connector
Sub-D-15
Figure 4-5
4-22
Connector
ITP XP Standard
Cable 15/15
Sub-D-15
Use of Preassembled Industrial Twisted-Pair Cables for Direct Links Between Components
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Pinning
Network component
Function
DTE
Pin
Casing, Shield
blue
1
RD+
white
6
RD-TD+
5
TD--
9
Pin
orange
white
Function
3
TD+
10
TD--
5
RD+
12
RD--
6 Coding jumper for
converting
7
AUI/ITP port
15-pin sub-D connector
9-pin sub-D connector
a) Pinning of the ITP standard cable 9/15
Network component
Casing, Shield
Function
Pin
blue
1
RD+
white
6
RDTD+
5
TD-
9
orange
white
9-pin sub-D connector
Network component
Function
Pin
1
RD+
6
RD--
5
TD+
9
TD--
9-pin sub-D connector
b) Pinning of the ITP XP standard cable 9/9
DTE
Casing, Shield
Function
(DTE)
TD+
TD--
Pin
3
blue
10
white
RD+
5
RD--
12
orange
white
Coding jumper for 6
converting AUI/ITP
7
port
15-pin sub-D connector
DTE
Pin
Function
(DTE)
3
TD+
10
TD--
5
RD+
12
RD--
6 Coding jumper for
converting
7 AUI/ITP port
15-pin sub-D connector
c) Pinning of the ITP XP standard cable 15/15
Figure 4-6
Pinning of the Industrial Twisted Pair Standard Cables
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-23
Passive Components for Electrical Networks
4.5.2
Preassembled Twisted-Pair Cords
General
In environments in which low noise levels can be expected and for lines up to
10 m, twisted-pair cables can be used. These use the TP cord that is much thinner
and more flexible than the Industrial Twisted Pair cables due to the reduced
shielding. Both the standard RJ-45 connectors and sub-D connectors are used to
connect Industrial Twisted Pair components.
Product Range
The following preassembled twisted-pair cables are available:
Table 4-11 Twisted-Pair Cable Products
Cable
Name
Suppliable
Lengths
Order number
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2GE50
6XV1 850-2GH10
6XV1 850-2GH20
6XV1 850-2GH60
6XV1 850-2GN10
TP XP Cord RJ-45/RJ-45 Crossover TP cable with
2 RJ-45 plugs
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2HE50
6XV1 850-2HH10
6XV1 850-2HH20
6XV1 850-2HH60
6XV1 850-2HN10
TP cord 9/RJ-45
TP cable with one 9-pin sub-D connector
and one RJ-45 plug
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2JE50
6XV1 850-2JH10
6XV1 850-2JH20
6XV1 850-2JH60
6XV1 850-2 JN10
TP XP Cord 9/RJ-45
Crossover TP cable with one
9-pin sub-D connector and one RJ-45
plug
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2ME50
6XV1 850-2MH10
6XV1 850-2MH20
6XV1 850-2MH60
6XV1 850-2MN10
TP Cord 9-45/RJ-45
TP cable with one RJ-45 plug and one
sub-D connector with 45o cable outlet
(only for OSM/ESM)
1.0 m 6XV1 850-2NH10
TP XP Cord 9-45/RJ-45
Crossover TP cable with one RJ-45 plug
and one sub-D connector with 45o cable
outlet (only for OSM/ESM)
1.0 m 6XV1 850-2PH10
TP XP cord 9/9
Crossover TP cable for direct linking of
two Industrial Ethernet network
components with ITP port with two 9-pin
sub-D connectors
1.0 m 6XV1850-2RH10
TP Cord RJ-45/RJ-45
4-24
Use
TP patch cable with
2 RJ-45 plugs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Table 4-11 Twisted-Pair Cable Products
Cable
Name
Use
Suppliable
Lengths
Order number
TP Cord RJ-45/15
TP cable with one 15-pin sub-D
connector and one RJ-45 plug
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2LE50
6XV1 850-2LH10
6XV1 850-2LH20
6XV1 850-2LH60
6XV1 850-2LN10
TP XP Cord RJ-45/15
Crossover TP cable with one
15-pin sub-D connector and one RJ-45
plug
0.5 m
1.0 m
2.0 m
6.0 m
10.0 m
6XV1 850-2SE50
6XV1 850-2SH10
6XV1 850-2SH20
6XV1 850-2SH60
6XV1 850-2SN10
For a complete list of the order numbers, refer to the catalog IK PI
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-25
Passive Components for Electrical Networks
Areas of Application
The following tables show the available cables and their applications.
Network component
NC
S7-400
S7-300
Preassembled TP Cord
Connector
Connector
Sub-D-9
RJ-45
Figure 4-7
TP Cord 9/RJ-45
TP Cord 9-45/RJ-45
TP Cord RJ-45/RJ-45
TP Cord RJ-45/15
Direct Link between a DTE and a Network Component
Network component
NC
Network component
NC
Preassembled crossover TP Cord
Connector
Connector
TP XP Cord 9/RJ-45
TP XP Cord 9-45/RJ-45
TP XP Cord RJ-45/RJ-45
TP XP Cord 9/9
Sub-D-9
RJ-45
Figure 4-8
S7-400
S7-300
S7-300
Preassembled crossover TP Cord
Connector
Connector
Sub-D-15
RJ-45
4-26
Sub-D-9
RJ-45
Direct Link between Two Network Components
S7-400
Figure 4-9
Sub-D-15
RJ-45
TP XP Cord RJ-45/15
TP XP Cord RJ-45/RJ-45
ITP XP Standard Cable 15/15
Sub-D-15
RJ-45
Direct Link between Two DTEs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Network component,
for example OSM
Connector
CP 443-1
Connector
Outlet RJ-45
NC
Sub-D-9
RJ-45
TP Cord
S7-400
Sub-D-15
RJ-45
PC
FC cable
TP Cord
TP Cord 9/RJ-45
TP Cord 9-45/RJ-45
TP Cord RJ-45/RJ-45
TP Cord RJ-45/15
TP Cord RJ-45/RJ-45
FC TP Standard Cable
FC TP Trailing Cable
FC TP Marine Cable
Figure 4-10
Structured Cabling between a DTE and a Network Component
Connector
Sub-D-9
RJ-45
Network component
Outlet RJ-45
NC
TP Cord
TP XP Cord 9/RJ-45
TP XP Cord 9-45/RJ-45
TP XP Cord RJ-45/RJ-45
Figure 4-11
Network component
FC cable
NC
Connector
Sub-D-9
RJ-45
TP Cord
FC TP Standard Cable
FC TP Trailing Cable
FC TP Marine Cable
TP Cord 9/RJ-45
TP Cord 9-45/RJ-45
TP Cord RJ-45/RJ-45
Structured Cabling between Two Network Components
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-27
Passive Components for Electrical Networks
Connector
Sub-D-15
RJ-45
S7-300
TP Cord
Connector
Outlet RJ-45
FC cable
Sub-D-15
RJ-45
S7-300
PC
TP Cord
TP XP Cord RJ-45/15
TP XP RJ-45/RJ-45
TP Cord RJ-45/15
TP Cord RJ-45/RJ-45
FC TP Standard Cable
FC TP Trailing Cable
FC TP Marine Cable
Figure 4-12
4-28
Structured Cabling between Two DTEs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Pinning
Network component
DTE
Function
RD+
RDTD+
TD--
Pin
Casing, Shield
Pin
blue
3
white
6
orange
1
white
2
RJ-45 Connector
Function
3
TD+
6
TD--
1
RD+
2
RD--
RJ-45 Connector
a) Pinning of the TP Cord RJ-45/RJ-45
DTE
DTE
Function
Casing, Shield
Pin
RD+
RD--
blue
3
white
6
TD+
1
TD--
2
orange
white
RJ-45 Connector
Function
Pin
3
RD+
6
RD--
1
TD+
2
TD--
RJ-45 Connector
b) Pinning of the TP XP Cord RJ-45/RJ-45
Network component
Function
TD+
Casing, Shield
Pin
5
TD-
9
RD+
1
RD--
blue
white
orange
white
6
9-pin sub-D connector
DTE
Pin
Function
3
RD+
6
RD-
1
TD+
2
TD--
RJ-45 Connector
c) Pinning of the TP Cord 9/RJ-45
Figure 4-13
Pinning of TP Cords
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-29
Passive Components for Electrical Networks
Network component
Function
TD+
TDRD+
RD-
Network component
Casing, Shield
Pin
Pin
blue
5
white
9
orange
1
white
6
9-pin sub-D connector
Function
3
TD+
6
TD--
1
RD+
2
RD--
RJ-45 Connector
d) Pinning of the TP XP Cord 9/RJ-45
Network component
DTE
Function
Casing, Shield
Pin
TD+
5
TD-
9
RD+
1
RD-
6
blue
white
orange
white
Function
Pin
3
RD+
6
RD--
1
TD+
2
TD--
RJ-45 Connector
9-pin sub-D connector
e) Pinning of the TP Cord 9-45/RJ-45
Network component
Function
TD+
Pin
5
TD-
9
RD+
1
RD-
6
Casing, Shield
blue
white
orange
white
9-pin sub-D connector
Network component
Pin
Function
3
TD+
6
TD-
1
RD+
2
RD-
RJ-45 Connector
f) Pinning of the TP XP Cord 9-45/RJ-45
Figure 4-14
4-30
Pinning of TP Cords
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Network component
Network component
Casing, Shield
Pin
Function
blue
1
RD+
RD-
6
TD+
5
TD-
9
Pin
white
orange
white
Function
1
RD+
6
RD-
5
TD+
9
TD-
9-pin
sub-D
connector
9-pin
sub-D connector
g) Pinning of the TP XP Cord 9/9
DTE
Network compone
Casing, Shield
Pin
Function
RD+
5
RD-
12
TD+
3
TD-
10
Coding jumper for
converting
AUI/ITP port
blue
white
orange
white
6
Pin
Function
3
TD+
6
TD-
1
RD+
2
RD-
RJ-45 Connector
7
15-pin sub-D connector
h) Pinning of the TP Cord 15/RJ-45
DTE
Casing, Shield
Function
RD+
Pin
5
RD-
12
TD+
3
TDCoding jumper for
converting
AUI/ITP port
blue
white
orange
white
10
6
DTE
Pin
Function
3
RD+
6
RD-
1
TD+
2
TD-
RJ-45 Connector
7
15-pin
sub-D male connector
i) Pinning of the TP XP Cord 15/RJ-45
Figure 4-15
Pinning of TP Cords
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-31
Passive Components for Electrical Networks
4.5.3
Twisted-Pair Port Converter
General
Port converters are used to connect a DTE with an RJ-45 port to the Industrial
Twisted Pair cabling system.
The port converter has an RJ-45 connector at one end to connect to the DTE and
a 15-pin sub-D female connector with a slide locking mechanism at the other end.
The male and female connector are connected by a short TP cord. This converts
the RJ-45 port of the DTE to an Industrial Twisted Pair DTE port. Up to 90 m long,
double shielded ITP standard cables can be connected to the 15-pin sub-D female
connector and can be installed in areas with high EMI.
Mounting Bracket
The sub-D female connector has a mounting bracket. This allows the socket to be
fixed in place. The mounting bracket has two functions:
S
Strain relief
The TP cord and the RJ-45 port on the DTE are protected from tensile strain.
S
Grounding
The mounting bracket is electrically connected with the casing of the female
connector and therefore also with the cable shields. The bracket should be
screwed to a grounded plate or rail ensuring good contact.
Product Range
Table 4-12 TP Converter Cord 15/RJ-45 Data
Cable
Name
TP converter cord 15/RJ-45
4-32
Use
Suppliable
Lengths
TP patch cable for
attachment of DTEs with an
RJ-45 port to the ITP cabling
system;
with one 15-pin sub-D female
connector with slide locking
mechanism and one RJ-45
plug
0.5 m
2m
Order number
6XV1850-2EE50
6XV1850-2EH20
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Pinning
DTE
Function
TD+
Pin
1
TD-
2
RD+
RD-
ITP cable to
network component
Casing, Shield
3
6
Pin
orange
white
blue
white
Function
3
TD+
10
TD-
5
RD+
12
RD-
RJ-45 Connector
15-pin sub-D female
Figure 4-16
Pinning of the TP Converter Cord 15/RJ-45
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-33
Passive Components for Electrical Networks
4.6
Industrial Twisted Pair Sub-D Connectors
General
The Industrial Twisted Pair sub-D connectors correspond to the standards
MIL-C-24308 and DIN 41652. Due to its mechanical strength and its excellent
electromagnetic compatibility, this connector was preferred to the RJ-45 connector
recommended for 10BASE-T in IEEE 802.3.
Two versions of the connector are available:
S
Preassembled (crimped)
S
For assembly by the user
Design of the Connectors for User Assembly
The following sections describe only the connectors that can be assembled by the
user.
There are two versions of the Industrial Twisted Pair sub-D connectors for user
assembly:
S
9-pin connector with straight cable outlet and securing screws
S
15-pin connector with variable cable outlet (+30° , 0°, -30°) and securing bolts
Both connector types have a metal casing. The Industrial Twisted Pair cables are
connected to the connector pins using screw terminals, special tools are not
required.
For a detailed description of fitting connectors, refer to Section 7.9.
4-34
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Industrial Twisted Pair Sub-D Connector 9-pin
S
Intended for connecting:
-- OLM/ELM (ports 1-3)
-- OSM/ESM (ports 1-6, standby-sync port)
-- Interface card ECTP3 (ports 1-3) for star coupler (ASGE)
S
Connector casing with straight cable outlet
S
Can be mechanically secured to the female connector with integrated knurled
screws
S
Simple cable assembly with screw terminals
Screw terminal
Connector insert
Knurled screw
5 9 1 6
Cover
Connector casing
Cable clamp
Figure 4-17
Industrial Twisted Pair Sub-D connector (9-pin) for Assembly on Site
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-35
Passive Components for Electrical Networks
Industrial Twisted Pair Sub-D Connector 15-pin
S
For connection to DTEs with an integrated Industrial Twisted Pair port
S
Cable casing with variable cable insertion angle
+30° , 0° , -30°
S
Slide mechanism for locking to female connector
S
Two dummy plugs for closing unused cable outlets
S
Simple cable assembly with screw terminals
S
Internal coding jumper for converting the DTE port from AUI to Industrial
Twisted Pair
Connector insert
Cover
5 12 3 10
Connector casing
Dummy plugs
Figure 4-18
4-36
Cable clamp
Industrial Twisted Pair Sub-D Connector (15-pin) for Assembly on Site
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
4.7
RJ-45 Connector
The RJ-45 plug is an 8-pin plug designed in compliance with ISO/IEC 8877:1992.
This type of connector is recommended in IEEE 802.3 for 10BASE-T and
100BASE–TX. The RJ-45 connector is used mainly in an environment with low
EMI levels (for example in offices). This connector was developed by Western
Electric and is also known as the Western plug.
The RJ-45 connector cannot be ordered separately and is supplied only with
preassembled cables (TP cord).
S
Connector casing with straight cable outlet
S
Intended for connecting:
-- DTEs with an RJ-45 port and
-- network components with an RJ-45 port
RJ-45 Connector System
8
1
1
Figure 4-19
8
RJ-45 Jack and Plug
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-37
Passive Components for Electrical Networks
4.8
Industrial Ethernet FC Outlet RJ-45
General
The Industrial Ethernet FC Outlet RJ-45 is used to implement the transition of the
robust Industrial Ethernet FC TP cables used in the industrial environment to
preassembled TP Cord cables using an RJ-45 jack. When used with FC TP cables
and preassembled TP Cords, the Industrial Ethernet FC Outlet RJ-45 saves
considerable time during installation.
Color coding prevents errors when connecting the wires. The Industrial Ethernet
FC Outlet RJ-45 corresponds to category 5 of the international cabling standards
ISO/IEC 11801 and EN 50173.
Design
The Industrial Ethernet FC Outlet RJ-45 consists of a robust metal casing. The
screw on cover ensures reliable shield contact and strain relief for the Industrial
Ethernet FC cable.
The outlet RJ-45 has the following terminals:
Figure 4-20
4-38
S
4 insulation-piercing contacts for connecting the Industrial Ethernet FC cable
(contacts color-coded)
S
RJ-45 jack with dust protection cap for connecting various TP Cord cables.
Industrial Ethernet FC Outlet RJ-45
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Installation
The FC Outlet RJ-45 is suitable both for installation on a standard rail and for wall
installation. The outlet has four holes to allow wall installation.
By arranging several FC Outlet RJ-45 devices in a line, you can create a patch
panel with any terminal density you require (for example 16 outlets to a width of
19” is possible with a suitably wide rail). The FC Outlet RJ-45 can also be installed
behind a metal panel with a suitable cutout (for example in a wiring closet).
Example of an Application
The Industrial Ethernet FC Outlet RJ-45 is attached directly to the Industrial
Ethernet FC TP cable. To connect the FC Outlet RJ-45 and network components
or a DTE, various preassembled RJ-45 patch cables are available.
OSM
DTE
TP Cord
RJ-45/RJ-45
TP Cord
FC Outlet RJ-45
FC Outlet RJ-45
DTE
e.g. FC TP Standard Cable
TP Cord
FC Outlet RJ-45
Figure 4-21
System Configuration with FC Outlet RJ-45
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
4-39
Passive Components for Electrical Networks
Pinning of the FC Outlet RJ-45
The contacts of the RJ-45 jack and the insulation-piercing terminals for the FC TP
cable are assigned to each other as follows:
RJ-45 pin
number
b
4-40
Insulation piercing terminals
Number
Wire color
1
1
yellow
2
3
orange
3
2
white
6
4
blue
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Electrical Networks
Technical Specifications
Table 4-13 FC Outlet RJ-45 Technical Specifications
Ports
S Attachment of DTEs, network components
S Attachment of Industrial Ethernet FC TP cables
RJ-45 jack
4 insulation-piercing terminals
Installation
Standard rail or wall installation
Permitted environmental conditions
S Operating temperature
S Storage/transport temperature
--25 °C to +70 °C
--40 °C to +70 °C
Construction
S Dimensions (W x H x D) in mm
S Weight
107x31.7x30
300 g
Degree of protection
IP20
Transmission characteristics
Corresponding to category 5 of the
international cabling standards
ISO/IEC 11801 and EN 50173
Ordering Data:
Table 4-14 Ordering Data of the FC Outlet RJ-45
Industrial Ethernet FC Outlet RJ-45
For connecting Industrial Ethernet FC TP cables
and TP Cords
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6GK1 901-1FC00 0AA0
4-41
Passive Components for Electrical Networks
4-42
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Optical Networks
5
Chapter Overview
5.1
Optical Transmission Technique . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2
5.2
5.2.1
5.2.2
5.2.3
5.2.4
5.2.5
Glass Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Fiber-Optic Standard Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
INDOOR Fiber-Optic Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flexible Fiber-Optic Trailing Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SIENOPYR Duplex Fiber-Optic Marine Cable . . . . . . . . . . . . . . . . . . . . . . .
Special Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3
5-7
5-8
5-9
5-12
5-14
5.3
Connectors for Glass Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-16
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
5-1
Passive Components for Optical Networks
AChapter
5.1
Optical Transmission Technique
Fiber-Optic Cables (FO)
On fiber-optic cables (FO) data is transmitted by modulating electromagnetic
waves in the range of visible and invisible light. The material used is high-quality
glass fiber.
This section describes only the SIMATIC NET fiber-optic cables intended for
Industrial Ethernet. The various FO types allow flexible solutions with which
components can be interconnected depending on the operating and environmental
conditions.
Compared with electrical cables, fiber-optic cables have the following advantages:
Advantages
S
Electrical isolation of nodes and segments
S
No grounding problems
S
No shield currents
S
Transmission path immune to external electromagnetic noise
S
No lightning protection required
S
No noise emission along the transmission path
S
Light weight
S
Depending on the fiber type, cables several kilometers long can be used even
at higher transmission rates.
Point-to-Point Link
Fiber-optic technology only allows the implementation of point-to-point links; in
other words, one transmitter is connected to only one receiver. The transmission
path between two nodes requires two fibers (one for each transmission direction).
All SIMATIC NET standard fiber-optic cables are therefore designed as duplex
cables.
5-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Optical Networks
5.2
Glass Fiber-Optic Cables
Designed for Industry
SIMATIC NET glass fiber-optic cables (FO) are available in various designs
allowing optimum adaptation to a wide range of applications.
Areas of Application
Fiber-optic standard cable
S
Universal cable for use indoors and outdoors
INDOOR fiber-optic cable
S
Free of halogens, can be walked on, and extremely flame-retardant FO cable
for use in buildings
Flexible fiber-optic trailing cable
S
Specially designed for non-stationary use, for example with moving machinery
SIENOPYR duplex marine fiber-optic cable
S
Hybrid cable consisting of two fibers and two additional copper wires
for fixed installation on ships and offshore facilities
SIMATIC NET Standard Fibers
In glass fiber-optic cables, SIMATIC NET uses a fiber with 62.5 µm diameter as its
standard fiber. SIMATIC NET bus components are ideally matched to these
standard fibers allowing large distances to be covered while keeping the
configuration rules simple.
Simple Configuration
All the descriptions and operating instructions for SIMATIC NET bus components
contain information about the distances that can be covered with the standard
fibers described above. You can configure your optical network without
complicated calculations using simple limit values (refer to Chapter 3 “Network
Configuration”).
Guidelines for Laying Cables
You will find information about laying SIMATIC NET glass fiber-optic cables in
Section 7.7 in this manual.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
5-3
Passive Components for Optical Networks
Technical Specifications
Tables 5-1 and 5-2 provide an overview of the technical specifications of all
SIMATIC NET glass fiber-optic cables.
Table 5-1
Technical Specifications of the INDOOR Fiber-Optic Cable and Fiber-Optic Standard Cable
Fiber-Optic
Standard Cable
Cable Type
INDOOR Fiber-Optic
Cable
Areas of application
Universal cable for use indoors
and outdoors
Halogen-free and extremely
flame-retardant cable for indoor
use that can be walked on
Available as
Preassembled cable with 4
BFOC connectors in fixed
lengths, also available in meters
Preassembled cable with 4
BFOC connectors in fixed
lengths
Cable type
AT-VYY 2G62.5/125
I-VHH 2G62.5/125
(standard designation)
3.1B200+0.8F600 F
3.2B200+0.9F600 F
TB3 FRNC OR
Fiber type
Multimode graded fiber 62.5/125
µm
Multimode graded fiber 62.5/125
µm
Power loss at 850 nm
Power loss at 1300 nm
<= 3.1 dB/km
<= 0.8 dB/km
<= 3.2 dB/km
<= 0.9 dB/km
Modal bandwidth
at 850 nm
at 1300 nm
200 MHz *km
600 MHz *km
200 MHz *km
600 MHz *km
Number of fibers
2
2
Cable Structures
Splittable
outdoor cable
Splittable
indoor cable
Core type
Compact core
Fixed core
Basic element materials
PVC, gray
Copolymer, orange
(FRNC)
Strain relief
Aramid yarn and
impregnated glass fiber yarn
Aramid yarn
Outer sheath/
color of cable
PVC/black
Copolymer/
bright orange (FRNC)
Dimensions of
basic element
(3.5 ± 0.2) mm ∅
2.9 mm ∅
Outer dimensions
(6.3 x 9.8) ± 0.4 mm
approx. 3.9 x 6.8 mm
Cable weight
approx. 74 kg/km
approx. 30 kg/km
Permitted tensile stress
<= 370 N (in operation)
<= 500 N (brief)
<=200 N (in operation)
<= 800 N (brief)
Bend Radius
100 mm
Only the flat surface
100 mm (during installation)
60 mm (in operation)
Only the flat surface
Transverse compressive strength
5,000 N/10 cm
3,000 N/10 cm (brief)
1,000 N/10 cm (permanent)
5-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Optical Networks
Table 5-1
Technical Specifications of the INDOOR Fiber-Optic Cable and Fiber-Optic Standard Cable
Cable Type
Fiber-Optic
Standard Cable
INDOOR Fiber-Optic
Cable
Impact strength
3 blows
(initial energy: 5 Nm
hammer radius: 300 mm)
3 blows
(initial energy: 1.5 Nm
hammer radius: 300 mm)
Installation temperature
-5°C to +50°C
-5°C to +50°C
Operating temperature
-25°C to +60°C
-20°C to +60°C
Storage temperature
-25°C to +70°C
-25°C to +70°C
Behavior in fire
Flame-retardant complying
with IEC 60332-3 cat. CF
Flame-retardant complying with
IEC 60332-3 and DIN VDE 0472
Part 804, test type B
Free of halogens
no
yes
UL approval
no
no
Ship building approval
no
no
Table 5-2
Technical Specifications of the Flexible Fiber-Optic Trailing Cable and the SIENOPYR Duplex
Fiber-Optic Marine Cable
Cable Type
Flexible Fiber-Optic
Trailing Cable
SIENOPYR
Duplex Fiber-Optic
Marine Cable
Areas of application
Flexible cable for installation in a
drag chain indoors and outdoors
Fixed installation on ships and
offshore facilities in all enclosed
spaces and on free decks
Available as
Preassembled cable with 4
BFOC connectors in fixed
lengths, also available in meters
Sold in meters
Cable type
AT-W11Y (ZN)
11Y2G62.5/125
3,1B200+0.8F600 LG
MI-VHH 2G 62.5/125
3,1B200 + 0.8F600 +
2x1CU 300 V
Fiber type
Multimode graded fiber 62.5/125
µm
Multimode graded fiber 62.5/125
µm
Power loss at 850 nm
Power loss at 1300 nm
<= 3.1 dB/km
<= 0.8 dB/km
<= 3.1 dB/km
<= 0.8 dB/km
200 MHz *km
600 MHz *km
200 MHz *km
600 MHz *km
Number of fibers
2
2
Cable Structures
Splittable
outdoor cable
Splittable
outdoor cable
Core type
Hollow core, filled
Solid core
Basic element materials
PUR, black
Polyolefin
(standard code)
Modal bandwidth at 850 nm
at 1300 nm
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
5-5
Passive Components for Optical Networks
Table 5-2
Technical Specifications of the Flexible Fiber-Optic Trailing Cable and the SIENOPYR Duplex
Fiber-Optic Marine Cable
Cable Type
Flexible Fiber-Optic
Trailing Cable
SIENOPYR
Duplex Fiber-Optic
Marine Cable
Strain relief
GFK central element, Aramid
yarn
Aramid yarn
Outer sheath/color of cable
PUR, black
SHF1 mixture/black
Dimensions of basic element
(3. ± 0.2) mm ∅
(2.9 ± 0.2) mm ∅
Outer dimensions
approx. 12.9 mm
(13.3 ± 0.5) mm
Cable weight
approx. 136 kg/km
approx. 220 kg/km
Permitted tensile stress
<= 2000 N (brief)
<=1000 N (permanent)
<= 500 N (brief)
<= 250 N (permanent)
Bend Radius
150 mm
Max. 100,000 bending cycles
133 mm (single)
266 mm (multiple)
Installation temperature
-5°C to +50°C
-10°C to +50°C
Operating temperature
-25°C to +60°C
-40°C to +80°C 1)
-40°C to +70°C 2)
Storage temperature
-25°C to +70°C
-40°C to +80°C
Resistance to fire
Complying with IEC 60332-1
Complying with IEC 60332-3 cat.
A
Free of halogens
no
yes
UL approval
no
no
Ship building approval
no
yes
1) With no load on copper cores
2) With maximum load on copper cores (6 A)
5-6
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Optical Networks
5.2.1
Fiber-Optic Standard Cable
Outer sheath black PVC
Inner sheath gray PVC
Support element (impregnated glass yarn)
Kevlar yarn
Glass fiber G62.5/125 µm
Figure 5-1
Structure of the Fiber-Optic Standard Cable
Fiber-Optic Standard Cable 6XV1820-5****
The fiber-optic standard cable contains two multimode graded fibers of type
62.5/125 µm.
The outer sheath is labeled “SIEMENS SIMATIC NET FIBER-OPTIC 6XV1
820-5AH10” approximately every 50 cm. Meter markers consisting of a vertical line
and a 4-figure number make it easier to estimate the length of an installed cable.
Properties
The fiber-optic standard cable has the following properties:
S
Can be walked on
S
Flame-retardant complying with IEC 60332-3 cat. CF
S
Not halogen free
S
Available in meter lengths up to 4000 m
S
Available preassembled with 4 BFOC connectors in lengths up to 1000 m
Application
The fiber-optic standard cable is the universal cable for use indoors and outdoors.
It is suitable for connecting optical ports operating at the wavelengths of 850 nm
and 1300 nm.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Optical Networks
5.2.2
INDOOR Fiber-Optic Cable
Outer sheath Copolymer FRNC, bright orange
Inner sheath Copolymer FRNC, gray
Aramid strain relief elements
FRNC core sleeve
Glass fiber G62.5/125 µm
Figure 5-2
Structure of the INDOOR Fiber-Optic Cable
INDOOR Fiber-Optic cable 6XV1820-7****
The INDOOR fiber-optic cable contains two multimode graded fibers 62.5/125 µm.
The outer sheath is labeled “SIEMENS SIMATIC NET INDOOR FIBER OPTIC
6XV1 820-7AH10 FRNC” at intervals of approximately 50 cm. Meter markers
consisting of a vertical line and a 4-figure number make it easier to estimate the
length of an installed cable.
Properties
The INDOOR fiber-optic cable has the following properties:
S
Can be walked on
S
Flame-retardant complying with IEC 60332-3 and DIN VDE 0472 Part 804, test
type B
S
Is free of halogens
S
Preassembled with 4 BFOC connectors in lengths from 0.5 m to 100 m.
Application
The INDOOR fiber-optic cable is intended for use indoors in areas protected from
the weather. It is suitable for connecting optical ports operating at the wavelengths
of 850 nm and 1300 nm.
5-8
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Optical Networks
5.2.3
Flexible Fiber-Optic Trailing Cable
Outer sheath
Aramid yarn
Fleece/strands
Blind element
Support element
Inner sheath
Aramid yarn
Glass fiber G 62.5/125 µm
Figure 5-3
Structure of the Flexible Fiber-Optic Trailing Cable
Flexible Fiber-Optic Trailing Cable 6XV1820-6****
The flexible fiber-optic trailing cable contains two multimode graded fibers 62.5/125
µm. Integrated blind elements produce a round cross-section.
The outer sheath is labeled “SIEMENS SIMATIC NET FLEXIBLE FIBER OPTIC
6XV1 820-6AH10” at intervals of approximately 50 cm. Meter markers consisting of
a vertical line and a 4-figure number make it easier to estimate the length of an
installed cable.
Properties
The flexible fiber-optic trailing cable has the following properties:
S
Highly flexible (100,000 bending cycles at a minimum bend radius of 150 mm)
S
Not halogen free
S
Available in meter lengths for up to 2000 m
S
Available preassembled with 4 BFOC connectors in fixed lengths up to 650 m
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
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Passive Components for Optical Networks
Application
The flexible fiber-optic trailing cable was developed for applications in which the
cable must be flexible enough to move, for example when attached to moving
machine parts (drag chains). The cable is designed for 100,000 bending cycles
through ± 90° (at the specified minimum bend radius). The trailing cable can be
used both indoors and outdoors. It is suitable for connecting optical ports operating
at the wavelengths of 850 nm and 1300 nm.
5-10
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Passive Components for Optical Networks
!
Figure 5-4
Warning
During installation and operation, all the mechanical restrictions such as bend
radii, tensile strain etc. must be adhered to. If these limits are exceeded,
permanent deterioration of the transmission characteristics may result that can
cause temporary or permanent failure of data transmission.
Example of Using the Glass Fiber-Optic Trailing Cable in a Drag Chain
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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5-11
Passive Components for Optical Networks
5.2.4
SIENOPYR Duplex Fiber-Optic Marine Cable
Copper wire
Insulation
Optical fiber
Strain relief
Protective sleeve
Winding
Copper braid
Common sheath
Outer sheath
Figure 5-5
Structure of the SIENOPYR Duplex Fiber-Optic Marine Cable
SIENOPYR Duplex Fiber-Optic Marine Cable 6XV1 830-0NH10
The SIENOPYR duplex fiber-optic marine cable contains two multimode graded
fibers 62.5/125 µm. The cable also contains two stranded, rubber-insulated copper
wires with a 1 mm2 cross-sectional area. These can be used, for example, to
supply power to the attached devices.
The round cross-section of the cable makes it easier to seal cable glands.
The outer sheath is labeled with the year of manufacture and the label
“SIENOPYR-FR MI-VHH 2G 62.5/125 3,1B200+0,8F600+2x1CU 300V” at
intervals of approximately 50 cm.
Properties
The SIENOPYR duplex fiber-optic marine cable has the following properties:
5-12
S
Ozone proof complying with DIN VDE 0472 Part 805 test type B
S
Behavior in fire complying with IEC 60332-3 cat. A
S
Corrosivity of combustion gases complying with IEC 60754-2
S
Smoke density complying with IEC 61034
S
Is free of halogens
S
Is approved for ship building (GL, LRS, RINA)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Optical Networks
Application
The SIENOPYR duplex marine fiber-optic able is intended for fixed installation on
ships and offshore facilities in all enclosed spaces and on open decks. It is suitable
for connecting optical ports operating at the wavelengths of 850 nm and 1300 nm.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Passive Components for Optical Networks
5.2.5
Special Cables
Special Cables
In addition to the SIMATIC NET standard fiber-optic cables described in the
Catalog IK PI, numerous special cables and accessories are also available. Listing
all the versions available is beyond the scope of the catalog and of this manual.
The technical specifications of the SIMATIC NET bus components indicate which
SIMATIC NET fiber-optic cable is the normal connecting cable and which other
fiber types are suitable.
Note
Remember that the distances that can be covered differ if you use fibers with other
core diameters or attenuation characteristics than those listed in the operating
instructions.
Fiber Types
In addition to the standard SIMATIC NET fiber types, the following fiber types are
often used:
S
50µm Fiber
This fiber is used particularly in Europe in Telecom applications instead of the
62.5 µm fiber. The smaller core diameter means that less power can be coupled
into the fiber and reduces the distance that can be covered.
Cable Structures
For special applications, numerous variations in the cable structure are available,
for example:
S
Bundled cores (cables with hollow cords capable of accommodating several
fibers)
S
Cables with rodent protection for underground installation
S
Halogen-free cables, for example for use in underground train systems
S
Hybrid cable with fibers and copper conductors in one sheath
S
Certified cables, for example for use on ships
Ordering
If you require fiber-optic cables for particular applications, please contact your
Siemens representative (see Appendix LEERER MERKER).
5-14
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Passive Components for Optical Networks
5.3
Connectors for Glass Fiber-Optic Cables
BFOC Connectors for Glass Fiber-Optic Cables
In Industrial Ethernet fiber-optic networks, only BFOC connectors are used for
glass fiber-optic cables.
Figure 5-6
BFOC Connectors with Dust Caps
Fitting Connectors on Site
If it is necessary to fit connectors on site,
- SIEMENS provides this service (see Appendix LEERER MERKER)
- BFOC connectors and special tools can be ordered (see IK PI).
Note
Connectors should only be fitted to glass fiber-optic cables by trained personnel.
When fitted correctly, they allow extremely low coupling attenuation and the value
can be repeated after inserting the connector several times.
Preassembled Cables
To be able to use glass fiber-optic cables with untrained personnel, glass fiber-optic
cables are also available with four BFOC connectors already fitted.
For ordering data, please refer to the current SIMATIC NET Catalog IK PI.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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5-15
Passive Components for Optical Networks
!
Caution
Fiber-optic cable connectors are susceptible to contamination and mechanical
damage. Protect open connections with the supplied dust caps.
Note
Only remove the dust cap immediately before establishing the connection.
5-16
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Active Components and Topologies
6
Chapter Overview
6.1
6.1.1
6.1.2
6.1.3
6.1.3.1
6.1.3.2
6.1.3.3
6.1.4
6.1.4.1
6.1.4.2
Electrical and Optical Link Modules (ELM, OLM) . . . . . . . . . . . . . . . . . . . . .
Components of the Product . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Description of the Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions Specific to the ITP Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions Specific to the Fiber-Optic Interface . . . . . . . . . . . . . . . . . . . . . .
Topologies . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure with Industrial Ethernet OLMs . . . . . . . . . . . . .
6-2
6-5
6-5
6-5
6-5
6-7
6-8
6-8
6-9
6-10
6.2
6.2.1
6.2.2
6.2.3
6.2.4
6.2.5
6.2.6
6.2.7
6.2.8
6.2.9
Optical and Electrical Switch Modules (OSM/ESM) . . . . . . . . . . . . . . . . . .
Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Design . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bus Topologies with the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Ring Structure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Linking Subnets Using the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Redundant Linking of Subnets Using the OSM/ESM . . . . . . . . . . . . . . . . .
Components of the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Network Management of the OSM/ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-11
6-11
6-12
6-13
6-15
6-17
6-19
6-20
6-21
6-22
6.3
ASGE Active Star Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-24
6.4
6.4.1
6.4.2
6.4.3
6.4.4
MINI OTDE Optical Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Product and Ordering Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Topologies with the MINI OTDE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-26
6-26
6-27
6-27
6-27
6.5
6.5.1
6.5.2
6.5.3
6.5.4
Mini UTDE Electrical Transceiver (RJ-45) . . . . . . . . . . . . . . . . . . . . . . . . . . .
Overview . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Product and Ordering Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Topologies with the Mini UTDE RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-29
6-29
6-30
6-30
6-31
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Active Components and Topologies
6.1
6-2
Electrical and Optical Link Modules (ELM, OLM)
Figure 6-1
Industrial Ethernet OLM
Figure 6-2
Industrial Ethernet ELM
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Active Components and Topologies
Overview
The SIMATIC NET link modules for Industrial Ethernet allow flexible configuration
of Ethernet networks complying with the IEEE 802.3 standard using fiber-optic or
copper cables. The transmission rate on all interfaces is 10Mbps. The link modules
are fitted on to a standard rail.
The OLMs (Optical Link Modules) have three Industrial Twisted Pair (ITP) ports
and two optical ports (BFOC). With ITP, up to three DTEs or further ITP segments
can be connected; with fiber-optic cable, connection of up to two further DTEs or
optical network components (OLM, star coupler with ECFL2 (Extension Card Fiber
Link) etc.) are possible.
The ELMs (Electrical Link Modules) also have an AUI port in addition to the three
Industrial Twisted Pair (ITP) ports. An Ethernet segment with triaxial cable can be
connected to the AUI port via a 727-1 drop cable and a transceiver.
Both modules conform to the specifications of the IEEE 802.3 /1/ standard.
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Active Components and Topologies
Note
Since the beginning of 1998, the Optical Link Module (OLM) is supplied as version
2.0. Version 2.0 includes the following improvements compared with the previous
version:
-- Redundancy control is not dependent on the load distribution in the network
-- The diagnostic LEDs also indicate the segmentation of a port; this changed the
display patterns of the link status LEDs (LS LEDs)
-- The signal contact also indicates the segmentation of a port
The differences are explained in detail in the relevant sections in this manual.
Both versions are fully compatible and can be installed in a system in any
combination.
The OLM version can be found on the type plate on the right-hand side panel (see
Figure 6-3)
SIMATIC NET
OLM f. Industrial Ethernet
6GK1102-4AA00
DIL Switch Settings:
Port 1 .. Port 5
DIL Switch Settings:
Port 1 .. Port 5
LA1 ... LA5 Link Alarm
0
Disabled
LA1 ... LA5 Link Alarm
0
Disabled
1
Enabled
Port 5
Figure 6-3
6-4
1
Enabled
Port 5
OLM Version 1
!
SIMATIC NET
Industrial Ethernet OLM
Version 2.0
6GK1102-4AA00
OLM Version 2
Type Plates of OLM Version 1 and Version 2.0
Warning
The OLM/ELM devices are designed for operation with safety extra-low voltage
(SELV). This means that only safety extra-low voltages (SELV) complying with IEC
950/EN 60950/VDE 0805 may be connected to the power supply terminals and the
signal contact.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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6.1.1
Components of the Product
SIMATIC NET Industrial Ethernet OLM/ELM including
S
Terminal block for the power supply
S
Description and operating instructions
SIMATIC NET Industrial Ethernet OLM
SIMATIC NET Industrial Ethernet ELM
6.1.2
Order number
6GK1102-4AA00
6GK1102-5AA00
Installation
The SIMATIC NET Industrial Ethernet OLM/ELM is clipped on to a standard rail.
The modules can be installed vertically one beside the other without gaps.
Unobstructed convection of the surrounding air must be assured, in particular, air
must be able to circulate through the ventilation openings at the top and bottom.
6.1.3
Description of the Functions
6.1.3.1
General Functions
Signal Regeneration
The OLM/ELM regenerates the signal shape and amplitude of the received data.
Retiming
To prevent jitter increasing from segment to segment, the OLM/ELM retimes the
data to be transmitted.
Preamble Regeneration
If preamble bits of received data are lost, the OLM/ELM pads out the preamble to
64 bits (including the start of frame delimiter (SFD)).
Fragment Extension
Short fragments can result from collisions. If the OLM/ELM receives a fragment,
this is extended to a minimum length of 96 bits. This ensures reliable collision
detection by all nodes.
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Active Components and Topologies
Handling Collisions
If the OLM/ELM detects a data collision, it stops transmission. During the collision,
the data packet that has collided is replaced by a jam signal (0/1 bit pattern) to
ensure that the DTEs recognize the collision.
Auto Partitioning
A breakdown on the network can be caused by jabber lockup, wire breaks, missing
terminating resistors, damaged cable insulation, and frequent collisions due to
electromagnetic interference. To protect the network from these breakdowns, the
OLM disconnects the segment from the remainder of the network in the receive
direction.
On the OLM/ELM, this partitioning function operates separately for each port. You
can continue to operate other ports without any problems if one of the ports has
been partitioned. When a segment has been partitioned, the module continues to
transmit to the ITP segment or to the optical fiber cable but reception at this port is
disabled.
On twisted pair, the partitioning is active in the following situations:
-- When a data collision lasts longer than 105 µs or
-- more than 64 data collisions occur in succession.
On optical fiber cable, the partitioning is active in the following situations
-- When a data collision lasts longer than 1.5 ms (normal mode) or 0.2 ms
(redundant mode) or
-- When more than 64 (normal mode) or 16 (redundant mode) data collisions
occur in succession.
Reconnection
The segment is reconnected to the network as soon as a packet with the minimum
length of 51 µs is received at the port where collisions were occurring; in other
words when the segment is operating correctly again.
With the OLM version 2.0 in the redundant mode, packets longer than 51 µs sent
without a collision occurring also lead to reconnection.
6-6
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Active Components and Topologies
Jabber Lockup Protection
The network can be tied up continuously with data, for example due to a defective
transceiver or LAN controller. To protect the network from this situation, the
OLM/ELM stops reception as follows:
-- At the ITP or AUI port affected after 5.5 ms.
The interruption is canceled after an idle phase of 9.6 µs.
-- At the fiber-optic port affected after 3.9 ms.
The interruption is canceled after 420 ms of problem-free operation.
6.1.3.2
Functions Specific to the ITP Interface
Link Control
The OLM/ELM monitors the connected ITP line segments for short-circuits or
breaks using regular link test pulses complying with the IEEE 802.3 10BASE-T
standard. The OLM/ELM does not send data to an ITP segment from which it does
not receive a link test pulse.
Note
An unused port is evaluated as a line break. The ITP link to a DTE that is turned
off is also evaluated as a line break since the transceiver cannot send link test
pulses without a power supply.
Auto Polarity Exchange
If the pair of receive lines is connected incorrectly (RD+ and RD-- swapped over),
the polarity is reversed automatically.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Active Components and Topologies
6.1.3.3
Functions Specific to the Fiber-Optic Interface
Standardization
The two fiber-optic ports on the underside of the OLM comply with the IEEE 802.3
standard: 10BASE-FL. These are implemented as two BFOC female connectors
for connection of glass fiber-optic cables (62.5/125 µm or 50/125 µm). The
operating wavelength is 850 nm.
Fiber-Optic Monitoring
The OLM monitors the connected ITP line segments for breaks using regular link
test pulses. The OLM does not send data to a fiber-optic cable from which it is not
receiving a link test pulse.
Redundancy
In areas in which data reliability is the most important factor, redundancy can
ensure that data exchange is continued despite the breakdown of a fiber-optic
cable or an OLM. Often a standby cable is installed in a different cable duct. If a
fault occurs, data exchange is switched automatically from the main to the standby
line.
6.1.4
Topologies
A variety of topologies are possible with Industrial Ethernet OLMs and ELMs, as
follows:
S
Bus structure
S
Star structure
S
Redundant ring structure
S
Combination of the basic structures listed above
Within these topologies, two structures (bus and redundant ring structure) can be
considered as the basic structures.
6-8
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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Active Components and Topologies
6.1.4.1
Bus Structure
1
OLM
OLM
2
ELM
2
ELM
OLM
OLM
1
5
5
3
3
4
5
3
1.
2.
3.
4.
5.
ITP standard cable 9/15
ITP XP standard cable 9/9
727-1 drop cable
Triaxial cable
Fiber-optic cable (FO)
Figure 6-4
Bus Structure with OLMs and ELMs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
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6-9
Active Components and Topologies
6.1.4.2
Redundant Ring Structure with Industrial Ethernet OLMs
in the redundant mode
1
OLM
1
OLM
OLM
2
OLM
3
1. ITP standard cable 9/15
2. TP cord 9/RJ-45
3. Fiber-optic cables
Figure 6-5
Redundant Ring with OLMs
For more detailed information about configuration and the way in which networks
function with these topologies refer to the chapter “Network Configuration”.
Note
The modules in the redundant ring can only be connected to each other on
fiber-optic cables.
6-10
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6.2
Optical and Electrical Switch Modules (OSM/ESM)
Figure 6-6
6.2.1
Optical/Electrical Switch Modules (OSM/ESM)
Application
Overview
The OSM/ESM Optical/Electrical Switch Modules, version 2 allow the
cost-effective installation of switched networks operating at 100 Mbps.
By creating segments (dividing a network into subnets/segments) and
attaching these segments to an OSM/ESM it is possible to contain the load in
existing networks and to achieve an improvement in network performance.
The OSM/ESM allows you to create redundant Industrial Ethernet ring structures
using switching technology with fast medium redundancy (reconfiguration time
maximum 0.3 seconds).
To create an optical ring, OSMs with two FO ports are required.
To create an electrical ring, ports 7 and 8 of the ESM are interconnected using
Industrial Twisted Pair cables.
The data rate in the ring is 100 Mbps; a maximum of 50 OSMs/ESMs can be used.
In addition to the two ring ports, OSMs/ESMs have a further six ports (optionally
sub-D or RJ-45 ports), to which both DTEs and network segments can be
attached.
Several rings can be interconnected redundantly using the integrated standby
function.
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Active Components and Topologies
There are three ways of signaling errors:
6.2.2
S
via the signal contact
S
via SNMP (traps)
S
by E-mail
Design
Casing, Installation
The Industrial Ethernet OSM and ESM has a sheet steel casing with degree of
protection IP20. They are suitable for the following types of installation:
S
Installation on a 35 mm DIN rail
S
Installation on a SIMATIC S7-300 rail
S
Installation in pairs in a 19” cubicle
S
Wall mounting
The modules can be installed vertically, one beside the other without gaps.
Unobstructed convection of surrounding air is essential, in particular air must be
able to circulate freely through the ventilation openings of the OSM/ESM.
Ports
All modules have a 6-pin terminal block for connecting the power supply
(redundant 24 V DC power supply) and the floating signal contact.
The mode and status information are displayed by a row of LEDs and a selection
button.
The Standby-Sync port is used to synchronize two modules when linking
redundant networks.
The OSMs/ESMs can be upgraded to new firmware revisions and can be assigned
parameters via the serial port.
6-12
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The OSM/ESM has a total of eight LAN ports. Depending on the particular variant,
they have the following ports:
6.2.3
S
Twisted-pair port (sub-D): 10/100BASE-TX
9-pin sub-D female connector (ITP port), automatic data rate detection (10 or
100 Mbps) for connection of TP cables (max. length 100 m)
S
Twisted-pair port (RJ-45): 10/100BASE-TX
RJ-45 jack, automatic data rate detection (10 or 100 Mbps) for connection of
TP Cords (max. length 10 m, in conjunction with FC Outlets RJ-45 and
Industrial Ethernet FastConnect cable (patch cabling) up to 100 m)
S
Glass FOC: multimode (MM); 100BASE-FX BFOC
2 BFOC sockets per port, data rate 100 Mbps, for connection of multimode
FOC in environments with high EMI levels and for distances up to 3000 m
between two OSMs
S
Glass FOC: single mode (SM); 100BASE-FX BFOC
2 BFOC sockets per port, data rate 100 Mbps, for connection of single mode
FOC in environments with high EMI levels and for distances up to 26 km
between two OSM ITP62-LD modules
Functions
Increased Network Performance
By filtering the data traffic based on the Ethernet (MAC) address of the DTEs, local
data traffic remains local, only data intended for nodes in another subnet is
forwarded by the OSM or ESM.
Simple Network Configuration and Network Expansion
A total network span of up to 150 km (OSM) or 5 km (ESM) presents no problem.
OSMs and ESMs store the data received at the ports and then direct it to the
destination address. The restriction of the network span resulting from collision
detection (CSMA/CD) ends at the OSM/ESM port.
Error Containment
The OSM/ESM limits the propagation of errors in a network to the subnet involved
because it forwards only valid data.
Integration of Ethernet Networks Operating at 10 Mbps and 100 Mbps
The OSM/ESM is suitable for the integration of existing subnets operating at 10
Mbps in Fast Ethernet networks operating at 100 Mbps.
The OSM/ESM automatically detects the data rate (10 or 100 Mbps) at the
twisted-pair ports as well full or half duplex operation.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-13
Active Components and Topologies
Fast Redundancy in the Ring
By interconnecting the ends of a bus using OSMs/ESMs to form a ring, reliable
communication can be achieved. With an OSM/ESM in the ring, the integrated
redundancy manager is activated using a DIP switch. The redundancy manager
constantly monitors the operation of the network.
It recognizes the failure of a section in the ring or of an OSM/ESM and activates
the substitute path within a maximum of 0.3 seconds.
Redundant Linking of Networks
The standby function integrated in the OSM/ESM allows the redundant linking of
two networks (ring or bus). To achieve this, two OSMs/ESMs are set as the
standby master/slave using a DIP switch in each network and their standby ports
connected to the corresponding OSM/ESM in the other network.
Priority for Forwarding Time-of-Day Frames
OSMs/ESMs recognize a SIMATIC NET time-of-day frame by its multicast address
09000601FFEF H and forward it with priority over other frames. Giving priority to
time-of-day frames minimizes their propagation time in the network and keeps this
as low as possible regardless of the network load.
6-14
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
Variants of the OSM
Product
Sub-D
9-pin
RJ-45
Multimode
FOC (MM)
Single mode
FOC (SM)
OSM ITP62
6
--
2
--
OSM ITP53
5
--
3
--
OSM TP62
--
6
2
--
OSM ITP62-LD
6
--
--
2
Sub-D
9-pin
RJ-45
ESM ITP80
8
--
ESM TP80
--
8
Variants of the ESM
Product
6.2.4
Bus Topologies with the OSM/ESM
Bus Structure
Bus structures can be implemented with OSMs/ESMs. The maximum cascading
depth is 50 OSMs/ESMs in series.
The entire segment lengths permitted for a port type (TP, FO) can be used.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-15
Active Components and Topologies
PC
S7-400
S7-400
S7-300
3
4
OSM ITP62
OSM ITP62
4
4
1
OSM TP62
OSM ITP53
1
1
OSM ITP62
1
1 Fiber-Optic Cable (FO)
3 TP cord 9/RJ-45
4 ITP standard cable 9/15
Figure 6-7
Bus with OSMs
Apart from OSM ITP62-LD modules, all listed OSM variants can be used in any
combination in a bus consisting of OSMs. OSM ITP62-LD modules can only be
coupled with other OSM ITP62-LD modules via the optical ports (monomode fiber).
PC
3
ESM ITP80
S7-400
S7-400
S7-300
ESM ITP80
2
4
4
4
ESM ITP80
2
ESM ITP80
2
ESM ITP80
2
2 ITP XP standard cable 9/9
3 TP cord 9/RJ-45
4 ITP standard cable 9/15
Figure 6-8
Bus with ESMs
In a linear bus structure consisting of ESMs, you can use both ESM ITP80
modules as well as ESM TP80 modules (cables for linking the two variants are
available on request).
6-16
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
6.2.5
Redundant Ring Structure
Redundant Ring Structure with OSMs
With the aid of an OSM functioning as the redundancy manager (RM), the ends of
an optical bus made up of OSMs can be connected together to form a redundant
optical ring. The OSMs are connected together using ports 7 and 8.
The RM monitors the OSM bus connected to it at ports 7 and 8 in both directions.
If it detects a break on the bus, it interconnects the ends of the bus to reestablish a
functioning bus configuration. A maximum of 50 OSMs are permitted in an optical
ring. This strategy achieves a reconfiguration time of less than 0.3 seconds.
The RM mode is activated on the OSM using a DIP switch.
OSM ITP62
OSM in RM mode
OSM TP62
OSM TP62
OSM TP62
OSM ITP62
1
1
OSM ITP62
Fiber-optic cable (FO)
Figure 6-9
1
1
1
OSM ITP62
1
OSM ITP53
1
1
OSM ITP62
1
1
Redundant Ring Structure with OSMs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-17
Active Components and Topologies
Redundant Ring Structure with ESMs
A redundant electrical ring can be established using ESMs in the same way. To
achieve this the ESMs are connected together using ports 7 and 8. One device
must be switched to the redundancy manager mode. With ESMs and a maximum
of 50 devices in the ring, a reconfiguration time of less than 0.3 s can also be
achieved.
ESM in RM mode
ESM ITP 80
ESM ITP 80
ESM ITP 80
ESM ITP 80
ESM ITP 80
2
2
ESM ITP 80
ESM ITP 80
2
2
2
2
2
ESM ITP 80
ITP XP standard cable 9/9
Figure 6-10
2
2
ESM ITP 80
2
Redundant Ring Structure with ESMs
Note
The reconfiguration time of less than 0.3 s can only be achieved when no
components (for example switches from other vendors) other than OSMs or ESMs
are used in the redundant ring.
In a ring, one device and one device only must operate in the redundancy
manager mode.
DTEs or complete network segments can be attached to ports 1 -- 6 of an
OSM/ESM operating in the RM mode.
6-18
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
6.2.6
Linking Subnets Using the OSM/ESM
Subnets
Using the OSM/ESM, it is possible to link several different Ethernet networks
together. The collision domain of a subnet ends at the port of the OSM/ESM.
OSMs/ESMs are ideal for structuring larger networks. Large networks are first
divided into smaller units (subnets). These subnets are then connected to the
OSM/ESM that not only interconnects them but also separates them in terms of
load. The time and effort required for network configuration and expansion is
considerably reduced.
Network Expansion
Selectively forwarding data to the addressed nodes contains the load in the
subnets/segments. Discarding bad data also brings about a further improvement in
network performance.
These properties make the OSM/ESM the ideal tool for expanding conventional
Ethernet networks that have otherwise reached their limits.
OLM
OLM
OLM
3
2
1
ESM ITP 80
2
ELM
ELM
4
4
5
1
2
3
4
5
2
ELM
ELM
4
4
5
ITP standard cable 9/15
ITP XP standard cable 9/9
Fiber-optic cable (FO)
727-1 drop cable
Triaxial cable
Figure 6-11
Linking Several Collision Domains/Subnets Using an ESM
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-19
Active Components and Topologies
6.2.7
Redundant Linking of Subnets Using the OSM/ESM
Structure of a Redundant Link
Using an OSM/ESM, fast, redundant links between two Ethernet subnets or
networks can be implemented. These networks can, for example, consist of
redundant OSM/ESM rings.
The redundant link as shown in Figure 6-12 is established on separate paths via
the two TP ports (port 1) of an OSM/ESM pair. The standby-sync ports of both
OSMs/ESMs must be connected using an ITP XP standard cable 9/9 with a
maximum length of 40 m.
Synchronization cable
1
Standby master
OSM ITP 62
Standby slave
OSM ITP 62
2
OSM ITP 62
2
2
2
1
1
Redundant paths
2
OLM
OLM
OLM
2
2
2
1. ITP XP standard cable 9/9
2. Fiber-optic cable (FO)
Figure 6-12
6-20
Redundant Link Between Two Networks or Network Segments
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
How Standby Redundancy Works
One of the two OSMs/ESMs must be set to the standby mode by setting the DIP
switch. This OSM/ESM forms the redundant link that only transfers data when the
other path (main link) fails. The OSM/ESM in the standby mode receives
information about the state of the main link via the synchronization connection
between the standby-sync ports. If the main link fails, the redundant OSM/ESM
activates the standby link within 0.3 seconds.
If the problem is eliminated on the main link, this also causes a signal on the
synchronization connection. The main link is enabled again and the standby link
disabled.
Faults Managed by the Redundancy Function
The following problems on the main link activate the standby link:
6.2.8
S
Main OSM/ESM without power
S
Cable break at a cascaded port of the main OSM/ESM
S
Defective or deactivated partner on a cascaded port of the main OSM/SM.
Components of the OSM/ESM
SIMATIC NET Industrial Ethernet OSM/ESM including
S
Terminal block for the power supply
S
Fittings for wall mounting
S
Product information bulletin
S
CD with Operating Instructions and “Network Management” Manual
SIMATIC NET Industrial Ethernet OSM
SIMATIC NET Industrial Ethernet ESM
Order number
See catalog IK PI
See catalog IK PI
Accessories
SIMATIC
SIMATIC
SIMATIC
SIMATIC
SIMATIC
SIMATIC
NET
NET
NET
NET
NET
NET
ITP Standard Cable
ITP XP Standard Cable
FIBER OPTIC Glass FOC
TP Cord
FC Outlet RJ-45
FC TP Cables
For ordering data, refer to catalog IK PI.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-21
Active Components and Topologies
!
Warning
The Industrial Ethernet OSM/ESM is designed for operation with safety extra-low
voltage (SELV). This means that only safety extra-low voltages (SELV) complying
with IEC 950/EN 60950/VDE 0805 may be connected to the power supply
terminals or the signaling contact.
For more detailed information on the OSM/ESM, refer to the “Industrial Ethernet
OSM/ESM” operating instructions in the appendix of this manual.
6.2.9
Network Management of the OSM/ESM
Functions
Network management provides the following functions:
Password protected login for administrators (write and read rights) and users (read
rights only)
S
Reading out version and status information
S
Setting the message and standby mask and address information
S
Fixed parameter settings for ports and filter tables
S
Output of statistical information
S
Diagnostics of data traffic via a selectable mirror port
S
Downloading new firmware versions via the network
If problems occur in the network, the OSM/ESM can send error messages (traps)
automatically to a network management system or E-mails to a network
administrator.
Remote Monitoring
Remote monitoring (RMON) provides the following functions:
The OSM/ESM is capable of visualizing statistical information according to the
RMON Standards 1 to 3. These include, for example, error statistics maintained for
each port separately.
6-22
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
Web-Based Management Functions
The management level of the OSM is accessible using a Web browser. Masks,
filters, and ports can be configured. Diagnostics of the device and the ports is
possible via the Web.
Figure 6-13
Network Management with Web Browser
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-23
Active Components and Topologies
6.3
ASGE Active Star Coupler
Figure 6-14
ECFL2
Figure 6-15
ECFL4
Star Coupler ASGE
ECTP3
UYDE KYDE
ECAUI
HSSM2
MIKE
Interface Cards for the Star Coupler ASGE
The active star couplers form the branching points on a 10 Mbps network using the
CSMA/CD access protocol complying with IEEE 802.3. The modular concept
allows a flexible network structure with various transmission media such as triaxial
cable (727-0 bus cable), Industrial Twisted Pair cable, fiber-optic cable (FO) or
drop cables (727-1).
The star coupler has the following properties and functions:
6-24
S
Strong construction with die-cast aluminum housing
S
Can be used as a desktop unit or in a 19” cabinet
S
Interface cards available for various transmission media and
applications
S
Easy servicing by replacing interface cards during operation
S
Monitoring with HSSM 2 signaling card
S
SNMP management capability with MIKE management card
S
Also available as 24 V version
S
Redundancy concepts possible with ring topology using fiber-optic cable
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
Note
For more detailed information about the ASGE star coupler, refer to the SIMATIC
NET Catalog IK PI and the Ethernet manual (English, order number: HIR:
943320-011, German, order number: HIR: 943320-001).
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-25
Active Components and Topologies
6.4
MINI OTDE Optical Transceiver
6.4.1
Overview
Figure 6-16
MINI OTDE Optical Transceiver
Areas of Application
The MINI OTDE optical transceiver is used to connect a DTE with an AUI port to
an optical network and to establish a fiber-optic link between two DTEs. The MINI
OTDE provides electrical isolation with the fiber-optic cable (FO). This results in
immunity to electromagnetic interference. The optical transceiver can be plugged
directly into the AUI port of the DTE. If the module is fixed using the wall mounting,
the MINI OTDE can be connected to the DTE using the 727-1 drop cable. The
major advantages of the MINI OTDE optical transceiver are its small dimensions
and compact design.
The optical port of the MINI OTDE is implemented as two BFOC/2.5 female
connectors (ST compatible). A glass fiber-optic cable with graded fibers (Type
62.5/125 µm fibers) can be connected.
Note
Removing and reinserting the MINI OTDE with the power supply turned on can
lead to disturbances on the DTE (for example restarting a PC).
Note
For more detailed information on the MINI OTDE optical transceiver, refer to the
SIMATIC NET Catalog IK PI and the Ethernet manual (English, order number:
HIR: 943320-011, German, order number: HIR: 943320-001).
6-26
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
6.4.2
The Product and Ordering Data
The MINI OTDE optical transceiver is supplied in the BFOC version:
MINI OTDE optical transceiver
Order number
HIR: 943303-021
Accessories
Wall holder for Mini OTDE and Mini UTDE
(five mountings per package)
6.4.3
Order number
HIR: 943426-001
Functions
The MINI OTDE optical transceiver has the following properties and functions:
6.4.4
S
The optical transceiver converts the electrical signals of a node with an AUI port
(complying with IEEE 802.3) into the optical form required for the fiber-optic
cable.
S
The optical port complies with the specification IEEE 802.3; 10BASE F /4/ and
operates at a wavelength of 860 nm.
S
It allows the attachment of DTEs, fan-out units, repeaters, and ELMs to an
optical transmission path and connects two DTEs via fiber-optic cable.
S
An optical link segment can be created using an optical transceiver and
fiber-optic cable.
S
It is also possible to connect the MINI OTDE to a DTE using the 727-1 drop
cable.
Topologies with the MINI OTDE
Two applications of the MINI OTDE are illustrated below:
S
Point-to-point link between two DTEs on a fiber-optic cable
S
Attachment of subnets and DTEs to an optical network
Point-to-Point Link with Fiber-Optic Cable
Figure 6-17
Point-to-Point Link
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-27
Active Components and Topologies
Attachment of Subnets and DTEs to an Optical Network
3
1
ELM
2
1
1. TP cord 9/RJ-45
2. ITP XP standard cable 9/9
3. Fiber-optic cable (FO)
Figure 6-18
6-28
Attachment of Subnets and DTEs
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
6.5
Mini UTDE Electrical Transceiver (RJ-45)
6.5.1
Overview
Figure 6-19
Mini UTDE Electrical Transceiver (RJ-45)
Areas of Application
The twisted pair MINI UTDE RJ-45 transceiver is used to connect a DTE with an
AUI port to a twisted pair network and to establish a twisted pair link between two
DTEs with AUI ports.
The Mini UTDE RJ-45 can be plugged directly into the AUI port of the DTE.
Fixed installation with a wall holder is also possible. The Mini UTDE RJ-45 is then
connected to a DTE using the 727-1 drop cable.
Note
Removing and reinserting the MINI UTDE with the power supply turned on can
lead to disturbances on the DTE (for example restart on a PC).
Note
For more detailed information on the MINI UTDE electrical transceiver, refer to the
SIMATIC NET Catalog IK PI and the Ethernet manual (English, order number:
HIR: 943320-011, German, order number: HIR: 943320-001).
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-29
Active Components and Topologies
6.5.2
The Product and Ordering Data
Ordering Data:
The electrical transceiver Mini UTDE RJ-45 Industrial Ethernet Twisted Pair
Transceiver can be ordered as follows:
Electrical Transceiver Mini UTDE RJ-45
Wall holder (accessories)
for Mini UTDE and OTDE (pack of 5)
6.5.3
Order number
HIR:943 270-002
HIR:943 426-001
Functions
The twisted-pair Mini UTDE RJ-45 transceiver has the following features and
functions:
6-30
S
Specification complying with IEEE 802.3, 10BASE-T /3/.
S
It allows the attachment of DTEs with an AUI port, repeaters or ELMs to a
twisted-pair transmission path and connects two DTEs via twisted pair.
S
The twisted pair transceiver converts the electrical signals of a node with an
AUI port complying with IEEE 802.3 into the electrical signals of a twisted-pair
port.
S
It is also possible to connect the Mini UTDE RJ-45 to a DTE
using the 727-1 drop cable.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Active Components and Topologies
6.5.4
Topologies with the Mini UTDE RJ-45
Figure 6-20 shows the linking of a node with an AUI port to a twisted pair network
as an example of the twisted pair transceiver
Mini UTDE RJ-45.
Node with AUI port
PC with CP 1613
727-1 drop cable
(optional)
Mini UTDE
RJ-45
ESM TP 80
S7-300 with CP 343-1
TP Cord
RJ-45/RJ-45
TP Cord
RJ-45/RJ-4
5
TP Cord
RJ-45/15
FC Outlet RJ-45
FC TP Standard Cable
Figure 6-20
Example of a Link with the Mini UTDE RJ-45
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
6-31
Active Components and Topologies
6-32
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Guidelines for Installing Networked
Automation Systems in Buildings
7
Chapter Overview
7.1
General Instructions on Networking with Bus Cables . . . . . . . . . . . . . . . . .
7-2
7.2
Protection from Electric Shock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-3
7.3
7.3.1
7.3.2
7.3.3
7.3.4
7.3.5
Electromagnetic Compatibility of Bus Cables . . . . . . . . . . . . . . . . . . . . . . . .
Measures to Counter Interference Voltages . . . . . . . . . . . . . . . . . . . . . . . . .
Equipotential Bonding System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Requirements of the Alternating Power Distribution System . . . . . . . . . . .
Shielding Devices and Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special Noise Suppression Measures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-5
7-6
7-7
7-9
7-13
7-17
7.4
7.4.1
7.4.2
7.4.3
7.4.4
7.4.5
Positioning of Devices and Cable Routing . . . . . . . . . . . . . . . . . . . . . . . . . .
Influence of the Current Distribution System (EN 50174-2, 6.4.4.2) . . . . .
Cable Categories and Clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling within Closets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling within Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cabling outside Buildings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-18
7-18
7-19
7-21
7-21
7-22
7.5
Mechanical Protection of Bus Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-23
7.6
Electromagnetic Compatibility of Fiber-Optic Cables . . . . . . . . . . . . . . . . .
7-25
7.7
7.7.1
Installing LAN Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Instructions for Installing Electrical and Optical LAN cables . . . . . . . . . . . .
7-26
7-26
7.8
Additional Instructions on Installing Fiber-Optic Cables . . . . . . . . . . . . . . .
7-28
7.9
Fitting Twisted Pair Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-29
7.10
Installing and Wiring up the FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . .
7-35
7.11
Connecting Fiber-Optic Cables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7-39
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
7-1
Guidelines for Installing Networked Automation Systems in Buildings
7.1
General Instructions on Networking with Bus Cables
Bus (LAN) Cables in Plants
Bus cables are important connections for communication between individual
components of an automation system. Mechanical damage or repeated electrical
interference affecting these bus connections reduces the transmission capacity of
the system. In extreme cases, such problems can lead to failure of the entire
automation system. This section explains how to protect cables from mechanical
and electrical impairment.
Shielding and Grounding Concept
Bus cables connect programmable controllers. These in turn are connected to
transducers, power supply units, peripheral devices etc. over cables.
All the components together form a complex electrically networked automation
system.
When connecting system components via electrical cables (in this case bus
cables), remember to take into account the requirements of the overall system
structure.
Connecting cables, in particular, influence the shielding and grounding concept.
Shielding and grounding an electrical installation serves the following purposes:
S
Protects both humans and animals from dangerous network voltages
S
Prevents unacceptable noise emission and susceptibility to noise
S
Protects the system from overvoltage (for example lightning protection)
Networking SIMATIC with SIMATIC NET
SIMATIC NET network components and SIMATIC automation components are
designed to operate together taking into account the aspects listed above. By
keeping to the installation instructions described in the system manuals, your
automation system will meet the legal and normal industrial requirements for safety
and noise immunity.
7-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Guidelines for Installing Networked Automation Systems in Buildings
7.2
Protection from Electric Shock
Twisted-Pair Signal Level
The signal levels on twisted pair cables are low voltage. Correctly installed and
operated twisted pair bus cables do not have dangerous electrical voltages.
Nevertheless you should remember the following rules when installing the power
supply for all components (DTEs, bus components, etc.) that you want to connect
to twisted-pair cable.
Operation with 24 V DC
Numerous SIMATIC NET components require a voltage of 24 V DC as their
operating voltage or as auxiliary contact voltage. This power supply must meet the
requirements of an extra-low voltage with reliable electrical isolation from the main
power system, complying with IEC 60950 or EN 60950 /18/.
Operation with Live Voltage
Components operated with live voltage must meet the requirements for protection
against electric shock as stipulated in EN 60950 /18/, EN 61131-2 /20/, EN 61010
/19/ or other applicable product standards.
All the signals of the twisted-pair port must meet the requirements of reliable
electrical isolation from the main power supply, complying with IEC 60950 or EN
60950 /18/.
Cabling Components
Conductive cable path systems, barriers, and accessories must be included in the
protective measures preventing indirect contact (protection against illegal
dangerous contact voltage).
Grounding conductors (PE) and equipotential bonding conductors must be installed
according to the requirements of systems in buildings complying with HD 384.4.41
(protective measures against electric shock) and HD 384.5.54 (grounding and
grounding conductor). The application of EN 50174-2 is recommended for the
separation of low voltage cabling and IT cabling.
The requirements of HD 384.4.47 S2 (application of measures for protection
against electric shock) and HD 384.4.482 S1 (selection of protective measures as
a function of external influences) and appropriate national or local regulations must
be adhered to.
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Safe Initial State of the System in Case of Faults
Problems on communication connections must not be allowed to put system users
at risk. Cable or wire breaks must not lead to undefined statuses in the plant or
system.
7-4
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7.3
Electromagnetic Compatibility of Bus Cables
Electromagnetic Compatibility (EMC)
Electromagnetic compatibility (EMC) is the capability of an electrical installation to
function satisfactorily in its electromagnetic environment without influencing this
environment and interfering with other installations and equipment belonging to it
(in compliance with DIN VDE 0870).
This mutual influence can take the form of electrical, magnetic, and
electromagnetic effects. These effects can spread both over cable connections (for
example a common power supply) or due to radiated interference.
To avoid external interference affecting electrical systems, these effects must be
reduced to a certain level. The measures involved include the design, structure,
and correct connection of bus cables. The components and bus cables for
SIMATIC NET Industrial Ethernet meet the requirements of the European
standards for devices used in an industrial environment. This is documented by the
CE marking.
Note
Adherence to the specified limit values can only be guaranteed when using
components from the SIMATIC NET Industrial Ethernet range exclusively and by
keeping to the installation instructions in this manual!
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7.3.1
Measures to Counter Interference Voltages
Overview
Measures are often taken to suppress interference voltages when the control
system is already in operation and problems occur receiving signals. You can
normally reduce the investment necessary for later restructuring of the system by
remembering the following points when installing your automation system.
S
Setup an equipotential bonding system including all inactive metal parts
S
Include a power distribution system with non-current PE grounding conductor
(for example using the TN-S system)
S
Include shielding devices and bus cables
S
Position devices and route cables suitably
S
Take special noise suppression measures
The list shows that installing an interference-free networked automation system
simply with the tools for bus cable installation is not adequate. Measures must
already be taken during the planning phase of a system or building to ensure
harmony between all the equipment that requires electrically conductive
connections. Such measures include metallic structures in the building, conduits
for supply installations (gas, water, ventilation), as well as the electrical power
supply.
Standards for the Installation of Noise-Free Information Technology Systems
Based on the points outlined above, the standards committees of the European
Union formulated European standards for satisfactory installation and satisfactory
operation of information technology cabling within the infrastructure of a building in
which a power distribution system is operated at an effective value less than AC
1000 V (EN 50174).
The term “information technology” cabling/system includes all devices and cables
that transmit or process information electronically. The resulting standards can
therefore also be applied to automation systems.
Adherence to the standards when installing communication cabling (EN 50174,
/12/, /13/, /14/ series) and the requirements for bonding (EN 50310, /21/) is
strongly recommended. There are currently no international standards to compare
with these European standards in terms of detail.
The standards for the design of communications cabling (EN 50098, EN 50173,
/11/ series) are intended for applications in an office environment but nevertheless
include useful information for industrial applications.
7-6
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7.3.2
Equipotential Bonding System
Aims of Bonding
The noise immunity of extended electronic automation systems or, in general,
information technology systems largely depends on the suitable design of the
grounding and bonding system of the building.
Equipotential bonding and grounding have two essential aims:
S
Protection from the dangers of electricity
– by limiting the contact voltage and creating a fault to ground path
S
Improvement of electromagnetic compatibility
– by creating a reference potential and equalizing potential differences
between parts of the system
– by shielding
Causes of Potential Differences
Wherever electric currents flow, magnetic fields are produced that in turn induce
stray currents in electrically conductive materials. Induced stray currents can
therefore not be avoided in the vicinity of electrical consumers (drives, electronic
controls, lighting etc.) and their power supply cables. They spread in all conductor
loops. Conductor loops are formed by parts of buildings such as metal bannisters
on staircases, water pipes or central heating pipes as well as through the shields of
electrical data cables and the protective ground connectors of electrical devices
(PE). The flow of current produces a voltage drop. This can be measured as a
potential difference between two locations within the system.
Extremely high potential differences between two grounding points result from
lightning strikes.
Effects of Potential Differences in Information Technology Systems
If locations with different grounding potential are connected via cables, currents will
flow. The currents flow on all connections between these two points, for example
also on the signal cables or cable shields connecting them. Attached devices can
be disturbed or even destroyed.
The aim of a grounding and bonding system is to ensure that the currents flow in
the grounding system and not in the electronic circuits.
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Guidelines for Installing Networked Automation Systems in Buildings
Measures for Grounding and Equipotential Bonding
According to EN 50310 /21/, a “common bonding network CBN” with a fine mesh
of conductive elements must be created in buildings with information technology
systems. Systems that extend beyond one floor and that are interconnected by
electrical bus cables require a three-dimensional CBN with a lattice construction
resembling a Faraday cage.
With the following measures, you can create a grounding and bonding system that
will improve EMC:
S
Include all the metal parts of a building in a common bonding network (CBN)
with low impedance and high current carrying capacity. To this network, you
should then connect the main grounding terminal or bar, grounding conductors,
metal conduits, reinforcing rods, equipotential bonding ring conductor, cable
racks and any additional bonding conductors.
S
Connect all inactive metal parts in the immediate vicinity of your automation
components and bus cables to the bonding system ensuring good conductivity.
This includes all metal parts of cabinets, machine parts etc. that have no
electrical function in the automation system.
S
Include metal, conducting cable channels/racks in the equipotential bonding of
the building and between the individual parts of the system. The individual
segments of the channels/racks must be connected together with low
inductance and low resistance and connected to the CBN system as often as
possible. Expansion joints and angled connections should be bridged by
additional flexible grounding bands. The connections between the individual
segments of channels must be protected from corrosion to ensure long-term
stability.
S
The effectiveness of equipotential bonding is greater when the impedance of
the bonding conductor is low.
S
The impedance of the additional bonding conductor must not exceed 10% of
the shield impedance of parallel Industrial Twisted Pair cables.
S
Protect the bonding conductor from corrosion.
S
Install the bonding conductor so that the area enclosed by the bonding
conductor and signal cables is as small as possible.
S
Use copper or galvanized steel for the bonding conductor.
For information about grounding and bonding techniques, refer to the system
manuals of the SIMATIC S7-300 /9/, S7-400 /10/ programmable controllers.
Note
Equipotential bonding is unnecessary if the sections of a system are connected
exclusively using fiber-optic cable (FO).
7-8
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7.3.3
Requirements of the Power Distribution System
General
HD 384.3 S2 (IEC 60364-3:1993, modified, /22/) describes various power
distribution systems (TN-S, TN-C,S, TN-C, TT and IT systems). Additional national
or local regulations stipulate the measures required for protection from electric
shock and stipulate the requirements for a grounding system (see also section 7.2
protection from electric shock).
The outer surfaces of switching cubicles, device casings, connectors and bus
cables are conductive to provide shielding and must be connected to the grounding
system to ensure safety. To ensure that the EMC shield effect is achieved, they
make further requirements of the grounding system and grounding of the power
distribution system. These result in an alternating power distribution system with
non-current carrying grounding conductors, for example as in the TN-S system.
Cable shields are part of the equipotential bonding network of a system.
Since the shields of twisted-pair cables are included in the bonding system, all the
currents coupled into the bonding system of a building or plant flow through them.
Depending on the intensity and frequency range, these shield currents can cause
disturbances in data communication. Measures must therefore be taken to avoid
the alternating power distribution system of a plant including the bonding system in
the power return cabling. A TN–S system with separate cables or N and PE, for
example, meets these requirements. The EN 50310:2000 /21/ standard provides
detailed guidelines for installing a network system for supplying information
technology equipment.
Note
DTEs and /or network components connected over shielded twisted-pair cables
must only be supplied by alternating power distribution systems whose grounding
conductors cannot contribute to the transmission of energy. There must be no
PEN cable within the entire system. This condition is met, for example, by a TN-S
system.
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Guidelines for Installing Networked Automation Systems in Buildings
Signal Connections in Existing Installations
If unexplained, sporadic disturbances occur in data processing systems or on their
communication connections, it is advisable to check for unwanted shield currents.
These can be measured simply by inserting the cable in question in a clip-on
ammeter. Currents higher than approximately 0.1 A indicate problems in the
electrical installation, for example in the TN-C system.
If the alternating current power system supplies a large number of electronic
devices or electronically controlled consumers the highest interference currents
can generally be observed at the third harmonic of the frequency.
Other signs of an unsuitable alternating current power supply are as follows:
S
Currents on the PE conductor
S
Currents through water pipes and heating pipes
S
Progressive corrosion at grounding terminals, on lightning conductors, and
water pipes.
Remember that sporadic events such as switching, short circuits, or atmospheric
discharge (lightning strike) can cause current peaks in the system many times
higher than the average value.
Troubleshooting
The following measures are suitable for trouble shooting:
S
Restructuring the power distribution system (to form a TN-S system)
S
Replacing the electrical data cabling with fiber-optic cables
S
Installing an equipotential bonding conductor parallel to the disturbed data
cabling.
Note
If shield currents on bus cables cause problems in communication, the safest
often cheapest solution is to replace the disturbed electrical bus connection with a
fiber-optic cable.
Help with structuring noise-free power supply systems
You will find the addresses of Siemens departments that will help you in the
planning and installation of noise-free power supply installations for
information-technology systems or in the detection and elimination of existing
installation errors in the appendix of this manual.
7-10
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Example of Installing FOC in a TN-C-S System
Figure 7-1 illustrates the relationships between the structure of the alternating
current network, equipotential bonding system, and information technology cabling
in a building.
Three PCs and three S7-300 PLCs represent the information technology system.
These are networked using two OSMs. The casing of all the DTEs and the OSMs
are correctly connected to the grounding and bonding system of the building. The
PCs are connected to the system via the PE contact of their power supply cable.
The casing of the OSMs and the racks of the S7-300 PLCs are connected either
directly or via a switching cubicle casing locally to the CBN. The shields of the
twisted-pair cables interconnect all the device casings and are therefore connected
to the grounding and bonding systems at both ends.
The horizontal power distribution within a floor corresponds to the requirements of
a TN-S system. The neutral cable N and grounding conductor PE are separate
cables. The PE grounding conductor does not contribute to the power supply of the
devices. The parallel cable shields of the twisted-pair cables are therefore also free
of neutral cable currents.
The vertical, inter-floor parallel distribution is designed as a TN-C system (common
PEN cable for N and PE). The PEN is the return cable of the power supply of all
connected consumers. A connection between the two OSMs at the bottom
right-hand edge of the picture over shielded twisted-pair cables would allow the
return cable current of the PEN to flow through the entire bonding system, all PE
cables, and all cable shields on both floors. It is therefore strongly recommended to
implement the inter-floor connection between the two OSMs with fiber-optic cables.
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Figure 7-1
7-12
CBN
L
N
PE
TN-S
Floor 1
TN-S
neutral cable current
L1 L2 L3 PEN
TN-C
CBN
PE
N
L
Floor 2
OSM ITP62
OSM ITP62
FOC
Guidelines for Installing Networked Automation Systems in Buildings
Fiber-Optic Cables Avoid Shield Currents in the TN-C-S network
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7.3.4
Shielding Devices and Cables
Shielding Cables
The high degree of noise immunity of SIMATIC NET twisted pair copper networks
is achieved by the exclusive use of shielded twisted-pair cables. The highly
symmetrical twisted signal wires are surrounded by a combination of foil and
braided mesh shields. The shield makes large-area, conductive contact with the
casing of the attached DTE or network component at both ends of the twisted-pair
cable via the connector/outlet. The entire communications electronics, consisting of
transmitter and receiver chips as well as the signal cables is protected from
electromagnetic influence from the outside world by a closed “cocoon” of
electrically conductive device casing and cable shield.
Note
The values specified for noise emission and noise immunity in the technical
specifications of all SIMATIC NET Industrial Ethernet components assumes the
use of shielded twisted-pair cables.
As explained in the installation rules for the devices, the shields of the twisted-pair
cables must make good conductive contact with the device casing at both ends.
This is ensured by the SIMATIC NET connectors designed specially to match the
devices.
If, on the other hand, the rules are ignored and unshielded cables are used or the
shields do not make contact with the casing at both ends, there is no longer any
guarantee that the technical data regarding noise emission and noise immunity will
be adhered to. In this case, the operators of the system must take responsibility
themselves for compliance with the legal limit values for noise emission and noise
immunity (CE mark)!
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Guidelines for Installing Networked Automation Systems in Buildings
Handling Bus Cable Shields
Note the following points about cable shields:
S
Use SIMATIC NET twisted-pair cables throughout your system. The shields of
these cables have an adequate density to meet the legal requirements
regarding noise emission and immunity.
S
Always contact the shields of bus cables at both ends. The legal requirements
for noise emission and noise immunity in your system (CE marking) can only be
achieved when the shields make contact at both ends.
S
Secure the shield of the bus cable to the connector casing.
S
If cables are installed permanently, it is advisable to remove the insulation of the
shielded cable and to establish contact on the shield/PE conductor bar.
Note
If there is a potential difference between the grounding points, an illegally high
compensating current can flow through the shield grounded at both ends. To
rectify the problem, do not, under any circumstances, open the shield of the bus
cable.
This problem can be solved in the following ways:
7-14
S
Install an additional bonding conductor parallel to the bus cable that takes over
the shield current (for notes on equipotential bonding refer to Section 7.3.2)
S
Use fiber-optic cable instead of electrical cable (safest solution).
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Establishing Shield Contact
When contacting the cable shields, please note the following points:
Figure 7-2
S
Secure the braided shield with metal cable clamps.
S
The clamps must make good and large-area contact with the shield (see Figure
7-2).
S
Contact SIMATIC NET twisted-pair cables only using the braided copper shield
and not the aluminum foil shield. The foil shield is connected to a plastic foil to
increase tearing strength and is therefore non-conductive.
S
Contact the shield with the shielding bar directly at the point at which the cable
enters the cabinet.
Securing Shielded Cables with Cable Clamps and Ties (schematic representation).
S
When removing the sheath of the cable, make sure that the braid shield of the
cables is not damaged.
S
To allow good contact between grounding elements, tin-plated or galvanically
stabilized surfaces are ideal. With galvanized surfaces, the necessary contact
should be achieved using suitable screws. Painted surfaces should be avoided
at the contact points.
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Guidelines for Installing Networked Automation Systems in Buildings
S
Figure 7-3
7-16
Unless specifically intended for this purpose, shield clamps and contacts should
not be used for strain relief. The contact with the shielding bar could be
impaired or be broken altogether.
Contacting the Shield at the Point of Entry to a Closet
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7.3.5
Special Noise Suppression Measures
Connecting Switched Inductances to Suppressors
Some inductive switching devices (for example relays) create interference voltages
that are a multiple of the switched operating voltage. The distributed SIMATIC
S7-300 /9/ and S7-400 /10/ system manuals contain suggestions about how to limit
the interference voltages caused by inductance by connecting them to
suppressors.
Power Supply for Programming Devices
It is advisable to include a power socket for programming devices in each cabinet.
The socket must be supplied by the same system to which the PE conductor for
the cabinet is connected.
Cabinet Lighting
Use bulbs for the cabinet lighting, for example LINESTRAR lamps. Avoid the use
of fluorescent lamps since they cause interference. If you need to use fluorescent
lamps, take the measures shown in Figure 7-4.
Wire-mesh screen over the lamp
Shielded cable
Metal-encased switch
Power supply filter or shielded
power cable
Figure 7-4
Measures for Interference Suppression of Fluorescent Lamps in a Cabinet
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Guidelines for Installing Networked Automation Systems in Buildings
7.4
Arrangement of Devices and Cables
Adequate Clearance to Reduce the Effects of Interference
One simple but nevertheless effective method of reducing the effects of
interference is to keep the “culprit” and “victim” devices and cables as far apart
from each other as possible. Inductive and capacative interference injection
declines in proportion to the square of the distance of the elements involved. This
means that doubling the clearance reduces the effects of interference by a factor
of four. Taking certain aspects into account during the planning phase of a building
generally incurs little extra cost and can save considerable effort later.
Standards Recommending the Spatial Arrangement of Devices and Cables
EN 50174-2 /13/ includes recommendations on the spatial arrangement of devices
and cables with the aim of achieving the lowest possible mutual interference.
7.4.1
The Influence of Power Distribution Systems (EN 50174-2,
6.4.4.2)
Planning the Electrical Installations
To avoid the power distribution system affecting sensitive devices, the following
points must be taken into account when planning the electrical installation:
7-18
S
Possible sources of interference, for example voltage distributors, voltage
transformers, elevators, high currents in power supply bars, must be located at
a suitable distance from sensitive devices:
S
Metal pipes (for example for water, gas, heating) and cables should enter the
building at the same point;
S
The metal surfaces, shields, metal pipes, and connections of such conduits
must be connected with low-resistance conductors to the main bonding
conductor of the building.
S
Using a common cable route for low-voltage cable and signal cables with
adequate separation (either by clearance or shielding) between the two to avoid
large induction loops that are created by the different low-voltage cabling.
S
The use of either a single multi-core cable for all power supplies or (in the case
of higher power requirements) of conductor bars with weak magnetic fields.
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7.4.2
Cable Categories and Clearances
Fiber-Optic Cables
When using fiber-optic cables, mechanical protection is necessary, however the
EMC rules do not apply.
Cable Groups
It is useful to group wires and cables into various categories according to the
signals they carry, possible interference signals, and their sensitivity to
interference. Minimum clearances can be specified for these categories so that
interference-free operation can be expected under normal operating conditions if
the clearance is adhered to.
Conditions
Grouping cables according to voltage classes assumes that the interference
voltages relate directly to the power supply voltage conducted (the lower the
supply voltage, the lower the interference voltage). Remember, however, that DC
or 50 Hz power supply voltages do not represent any danger to Industrial Ethernet
bus cables. The critical interference voltages in the kHz to MHz frequency range
are created by the “consumer” connected to the cable. A 24 V DC cable with which
a relay is switched regularly has a far more critical interference range than a 230 V
cable supplying a light-bulb.
In the information shown below, it is assumed that all the components within an
automation system and all the plant components controlled by the system (for
example machines, robots etc.) at least meet the requirements of the European
standards for electromagnetic compatibility in an industrial environment. If devices
are defective or incorrectly installed, higher interference voltages must be
expected!
The following is assumed:
S
The cables for analog signals, data signals and process signals are always
shielded.
S
The distance from the cables to the chassis surface of the system (cabinet wall,
grounded and conducting cable channel, ...) is not more than 10 cm.
Note
In general, the greater the distance between cables and the shorter the distances
over which the cables run parallel to each other, the less the danger of
interference.
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How to Read the Table
To check how cables of different types must be laid, follow the steps outlined
below:
1. Find the cable type of the first cable in column 1 (cables for ...).
2. Find the cable type of the second cable in the relevant section in column 2 (and
cables for ...).
3. Read the guidelines for laying the cables in column 3 (lay ...).
Table 7-1
Cabling Within Buildings
Cables for ...
and cables for ...
Bus signals, shielded
(PROFIBUS, Industrial Ethernet)
Bus signals, shielded
(PROFIBUS, Industrial Ethernet)
Bus signals, unshielded
(AS-Interface)
Bus signals, unshielded
(AS-Interface)
lay ...
In common bundles or cable
channels
Data signal, shielded
(PG, OP, printer, counter inputs
etc.)
Analog signals, shielded
DC voltage
(v 60 V), unshielded
Process signals
(v 25 V), shielded
AC voltage
(v 25 V), unshielded
Monitors (coaxial cable)
DC voltage
(u 60 V and v 400 V),
unshielded
AC voltage
(u 25 V and v 400 V),
unshielded
DC and AC voltage
(u 400 V), unshielded
In separate bundles or cable
channels (no minimum clearance
required)
Within closets:
In separate bundles or cable
channels (no minimum clearance
required)
Outside closets:
On separate cable paths with at
least 10 cm clearance
HF cables for transmitter high
level stages and transmitter
antennas with voltages from 10
to 1000 V
7-20
Lay HF cables in steel pipes with
multiple ground points; at least
30 cm clearance
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7.4.3
Cabling within Closets
When running cables within cubicles and cabinets, remember the following rules:
7.4.4
S
Install the cables in metallic, electrically conductive cable channels.
S
Screw the cable channels to the struts of the rack or cubicle walls
approximately every 50 cm making low-resistance and low-inductance contact.
S
Separate the cables according to the categories as shown in table 7-1 .
S
Maintain the minimum clearance between the cables of different categories as
explained in table 7-1 . In general, the risk of interference due to crosstalk is
less the greater the clearance between the cables.
S
Where cables of different categories cross, they should cross approximately at
right angles (wherever possible avoid sections where the cables run parallel).
S
The shields of all cables entering the wiring closet should make large-area
contact with closet ground as close as possible to the point of entry.
Cabling within Buildings
When laying cables outside cabinets but within buildings, note the following points:
S
Lay the cables in metallic, electrically conducting cable channels.
S
Include the metal cable channels and racks in the bonding system of the
building or plant. Note the information on equipotential bonding in Section 7.3 in
this manual.
S
Separate the cables according to the categories as described in table 7-1 and
run the various categories in their own channels/racks.
S
If there is only one common metal channel available for all categories, either the
clearances shown in Table 7-1 must be maintained or the individual categories
should be separated from each other by metallic partitions. The partitions must
be connected to the channel making low-resistance and low-inductance
contact.
S
Cable racks should cross each other at right angles.
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Guidelines for Installing Networked Automation Systems in Buildings
7.4.5
Cabling outside Buildings
Using Fiber-Optic Cables
Industrial Twisted Pair is intended for use within buildings (tertiary area). The
installation of Industrial Twisted Pair cables between buildings in not permitted.
LAN connections between buildings and between buildings and external facilities
are only possible with fiber-optic cables (FO). Due to the optical transmission
principle, fiber-optic cables are not affected by electromagnetic interference.
Measures for equipotential bonding and overvoltage protection are unnecessary
with fiber-optic cables.
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7.5
Mechanical Protection of Bus Cables
Protection of Electrical and Optical Bus Cables
Mechanical protection is required to protect bus cables from breaks or mechanical
damage.
Note
The guidelines for mechanical protection apply both to electrical and optical
cables.
Measures for Mechanical Protection
The following measures are recommended to protect bus cables from physical
damage:
Figure 7-5
S
When cable cannot be installed on a cable rack or similar construction, it should
be installed in a conduit (for example PG 11-16).
S
In areas where the cable is subject to mechanical stress, install the cable in a
heavy-gauge aluminum conduit or in a heavy-gauge plastic conduit (see Figure
7-5)
S
When 90° bends are necessary and at the junctions between buildings (for
example expansion joints), a break in the conduit is acceptable only when there
is no likelihood of damage to the cable, for example due to falling objects (see
Figure 7-6).
S
In areas where the cable is likely to be walked on or driven over, the cable must
be protected from damage by a closed heavy-gauge aluminum or steel conduit.
As an alternative, the cable can be laid in a metal cable gutter.
Mechanical Protection of the Bus Cable
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Guidelines for Installing Networked Automation Systems in Buildings
Figure 7-6
Interrupting the Conduit at an Expansion Joint
Redundant Bus Cables
The installation of redundant bus cables involves special requirements. Redundant
cables should always be installed on separate cable racks to avoid simultaneous
damage by the same event.
Install Bus Cables Separately
To prevent accidental damage to bus cables, they should be clearly visible and
should be separate from all other wiring and cables. To improve EMC, it is often
advisable to install the bus cables in a separate cable channel or in conductive,
metal tubes. Such measures also make it easier to localize a faulty cable.
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7.6
Electromagnetic Compatibility of Fiber-Optic Cables
Fiber-Optic Cables
For communications between buildings and/or external facilities, the use of
fiber-optic cables is generally recommended. Due to the optical transmission
principle, fiber-optic cables are not affected by electromagnetic interference.
Measures for equipotential bonding and for overvoltage protection are unnecessary
with fiber-optic cables.
Note
Fiber-optic cables are ideally suited for LAN connections in areas with high EMI
levels. Remember, however, that bus components operating on an electrical basis
such as OLMs, OSMs/ORMs etc. may require additional noise protection
measures if they are being operated in such areas. These must be protected using
the measures already mentioned such as shielding, grounding, minimum
clearance to sources of interference etc.
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7.7
Installing LAN Cables
7.7.1
Instructions for Installing Electrical and Optical LAN Cables
General
During installation, remember that LAN cables can only be subjected to a certain
amount of mechanical strain. Cables can be damaged or even destroyed by too
much tensile stress or pressure, by torsion or by bending them too sharply. The
following instructions will help you to avoid damage when installing LAN cables.
If cables are subjected to strain or stress as listed above, they should always be
replaced.
Storage and Transportation
During storage, transportation and cabling, the open ends of the LAN cable
(without connectors) must be kept closed with a shrink-on cover to prevent
oxidation of the cores and to keep dampness out of the cable.
Temperatures
During transportation, cabling and operation, the cable must not be exposed to
temperatures below the specified minimum temperature or above the specified
maximum temperature otherwise the electrical and mechanical characteristics of
the cables can deteriorate. The permitted temperature ranges of your LAN cable
can be found in the technical data sheets of the LAN cables in Chapters 4 and 5.
Tensile Strength
The tensile force exerted on the cables during or after installation must not exceed
the limits of tensile strength of the cables. The permitted tensile strain on your LAN
cable can be found in the technical data sheets of the bus cables in Chapters 4
and 5.
Pull Preassembled Cables Using Cable Grips
To pull preassembled cables, make sure that you use cable grips. These surround
the connector and protect it from damage when pulling in the cable.
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Fitting strain relief
Make sure that you provide strain relief approximately 1 m from the connection
point on all cables subject to tensile force. Shield clamps are not adequate for
strain relief.
Pressure
Too much pressure on the cables must also be avoided, for example crimping the
cable when securing it in position.
Torsion
Torsion can lead to the elements of a cable being displaced and degrading the
electrical characteristics of cables. LAN cables must not be twisted.
Bending Radius
To avoid damage within the LAN cables, they must at no time be bent more
sharply than the minimum bending radius. Note that the permitted bending radii
S
are larger when pulling in the cable under tensile strain than in the fixed,
installed state
S
Bending radii for non-circular cables apply only to bending the flat, broader
surface. Bends in the narrower surface require much greater radii.
The permitted bending radii for your LAN cable can be found in the technical data
sheets of the LAN cables in Chapter 4 and 5.
Avoid Loops
When laying LAN cables, roll them tangentially from the cable drum or use
appropriate rotary tables. This prevents loops forming and resulting in kinks and
torsion.
Installing other Cables
Remember that cables must not be subjected to excessive strain and stress when
installed. This can, for example, happen when cables are installed along with other
cables on a common rack or in a common duct (providing this is electrically
permitted) and when new cables are pulled along the same path later (during
repairs or when extending a system).
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Guidelines for Installing Networked Automation Systems in Buildings
7.8
Additional Instructions on Installing Fiber-Optic Cables
Protecting Connectors from Contamination
Fiber-optic cable connectors are sensitive to contamination. Unconnected male
and female connectors must be protected with the supplied dust caps.
Attenuation Variations under Load
During installation, fiber-optic cables must not be twisted, stretched or squashed.
The specified limit values for tensile strain, bending radii and temperature ranges
must be adhered to. During installation, the attenuation values can vary slightly,
these variations are, however, reversible providing the strain limits are not
exceeded.
Pull Cables Using Cable Grips and Protect Connectors
If the cable does not have a Kevlar pulling attachment, make sure that you use
cable grips. Before fitting the cable grip, make sure that the connectors of
preassembled cables are protected from the pressure exerted by the cable grip, for
example using a piece of protective tube.
Fitting Strain Relief
Although the BFOC connectors have their own strain relief and kink protection, it is
advisable to arrange for additional strain relief as close as possible to the
connected device to protect against mechanical strain.
Plan Adequate Attenuation Reserves
When installing cables over greater distances, it is advisable to take into account
one or more repair splices in the power loss budget.
Electromagnetic Immunity
Fiber-optic cables are immune to electromagnetic interference. Installing cables in
cable channels along with other cables (for example 230 V/380 V power supply
cables) causes no problems. When installing in cable channels, however, make
sure that the permitted strain on the fiber-optic cables is not exceeded when pulling
in other cables later.
7-28
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7.9
Fitting Twisted Pair Connectors
General
To maintain the excellent EMC and transmission characteristics of the twisted-pair
cabling system, connectors must be fitted with extreme care following the
installation instructions exactly.
How to fit 9-pin and 15-pin connectors is explained in detail on the following pages.
Note
Fit the sub-D connectors only to the 2x2 Industrial Twisted-Pair standard cable.
The cable clamp used for contacting the shield is designed for the diameter of this
cable.
These sub-D connectors are not suitable for fitting to Industrial Ethernet FC
cables.
9-Pin Sub-D Connector
Figure 7-7 shows all the components of a 9-Pin sub-D connector
Cover
Cover screw
Cable clamp screw
Cable clamp
Connector insert with
four screw
terminals
Copper
band
Connector casing
Figure 7-7
Industrial Twisted Pair Sub-D Connector (9-pin) for Assembly on Site
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Fitting the Connector
1. Remove approximately 30 mm of the outer sheath from the braided shield.
30
2. Cut the braided shield approximately 10 mm from the edge of the outer sheath
and
pull off the loose shield.
10
3. Turn back the braided shield over the outer sheath.
– Unwind the aluminum foil shield up to a point approximately 15 mm from the
folded back braided shield and cut off the unwound material.
– Remove the plastic foil and blind elements.
– Remove approximately 5 mm of the insulation from the conductors.
5 10
15
4. Wrap copper band around the braided shield
7-30
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5. Fit the connector
– Fit the connector insert into the connector casing
– Fit the lower cable clamp into the grooves of the connector casing
– Assign the wire pairs to the screw terminals.
You will find the assignment required for a particular cable type in section
LEERER MERKER “Preassembled Industrial Twisted-Pair Cables”.
– Fit the cable into the connector casing so that the braided shield with the
copper band lies in the cable clamp
– Fit the upper cable clamp into the grooves of the connector casing and
screw it tight
– Secure the conductors in the screw terminals
– Screw the cover on to the connector casing
5
9 1 6
ÓÓÓ
ÓÓÓ
ÓÓÓ
ÓÓÓ
Shield foil
Braided shield
wrapped with copper
band
Figure 7-8
9-Pin Sub-D Male Connector Fitted to the Standard Cable
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15-Pin Sub-D Connector
Figure 7-9 shows all the components of a 15-pin sub-D connector
Cover
Cover screw
Cable clamp
Copper band
Connector insert with
four screw terminals
Figure 7-9
7-32
15-Pin Sub-D Connector for User Assembly
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Fitting Connectors
1. Remove approximately 35 mm of the outer sheath from the braided screen.
35
2. Cut the braided shield approximately 10 mm from the edge of the outer sheath
and
pull off the loose shield.
Shorten the white-blue pair by approximately 3 mm to 32 mm
(to introduce the cable as shown in Figure 7-10).
32
white/blue
white/orange
10
3. - Fold back the braided shield over the outer sheath.
– Unwind the aluminum foil shield leaving approximately 15 mm (shorter pair)
or approximately 18 mm (longer pair) to the folded back braided shield and
cut off the unwound shield.
– Remove the plastic foil and blind element.
– Remove approximately 5 mm of the insulation from the conductors.
15
white/blue
white/orange
5 12
18
4. Wrap copper band around the braided shield
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5. Fit the connector
– Fit the lower cable clamp into the grooves of the connector casing.
– Fit the cable into the connector casing so that the braided shield with the
copper band lies in the cable clamp
– Fit the upper cable clamp into the grooves of the connector casing and
screw it tight
– Assign pairs of wires to the screw terminals
You will find the assignment necessary for a particular cable type in Section
LEERER MERKER “Preassembled Industrial Twisted Pair Cables”.
– Secure the conductors in the screw terminals
– Screw the cover on to the connector casing
5 12 3 10
Shield foil
Figure 7-10
7-34
ÓÓÓÓ
ÓÓÓÓ
ÓÓÓÓ
ÓÓÓÓ
Braided shield
wrapped with copper
band
15-Pin Sub-D Male Connector Fitted to the Standard Cable
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7.10
Installing and Wiring up the FC Outlet RJ-45
Components of the Industrial Ethernet FastConnect System
With the Industrial Ethernet FastConnect System, you can greatly reduce the time
required for installation and the sources of error during installation of LAN cabling.
The FC system consists of three components:
S
IE FC Outlet RJ-45 with RJ-45 LAN jack and piercing terminal contacts for
connecting the RJ-45 connector technology with the FC cable in an industrial
environment
S
Cat5 Plus certified fast installation cables with copper cores (IE TP FC
Standard Cable, IE TP FC Trailing Cable and IE TP FC Marine Cable)
S
IE FC Stripping Tool, the preset stripping tool.
These three components are ideally matched and allow an FC installation cable to
be assembled within approximately two minutes.
DTEs or network components can be connected to the FC Outlet RJ-45 in a wiring
cubicle or in a control room using preassembled patch cables with RJ-45
connectors.
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Stripping the IE FC Cable with the IE FC Stripping Tool
Measure the length to be stripped
by holding the cable against the
template. Mark the position using
the index finger of your left hand.
Insert the measured end of the
Clamp the end of the cable in the
cable into the tool
stripping tool.
as far as allowed by the index finger of the left hand.
Turn the stripping tool several
times in the direction of the arrow
to strip the cable.
Keeping the tool closed, remove
it from the end of the cable.
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Connecting the Prepared FC Cable to the IE FC Outlet RJ-45
Remove the protective foil from
the wires and the support element from between the wires.
Spread out the wires according to Open the cover of FC Outlet
the color code shown on the con- RJ-45.
tact cover of the FC Outlet RJ-45.
Open both contact covers.
Insert the wires of the IE FC caPress down the two contact coble fully into the contact cover ac- vers to contact the wires.
cording to the color code.
Close and screw down the outer
cover of the FC Outlet RJ-45.
Connect the DTE or network
component using a suitable
RJ-45 patch cable.
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Installing the IE FC Outlet RJ-45
The FC Outlet RJ-45 can be installed on a rail or screwed to a mounting surface.
The Outlet RJ-45 can also be installed as a PG socket behind a wiring cubicle wall.
If this is required, nuts must be fitted in the openings on the sides.
4 x M4 screw,
length to suit
particular installation
90 mm
22 mm
23 mm
approx. 25 mm
4 x square nut M4
DIN 562 or
4 x hexagon nut A M4
DIN 439
Pin Assignment of the FC Outlet RJ-45
The assignment between the contacts of the RJ-45 jack and the insulation piercing
terminals for the FC TP cable is as follows:
RJ-45 Pin
Number
Insulation Piercing Terminals
Number
Wire Color
1
1
yellow
2
3
orange
3
2
white
6
4
blue
Note
The FC TP cable between two FC Outlet RJ-45 devices must always 1:1. In other
words, terminal 1 must be connected terminal 1, terminal 2 to terminal 2 etc. If
crossovers are required, this should always be done with one of the patch cables
connected to the RJ-45 jack.
7-38
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7.11
Connecting Fiber-Optic Cables
BFOC Connectors
Industrial Ethernet fiber-optic network components use only glass fiber-optic cables
with BFOC connectors.
Figure 7-11
BFOC Connectors with Dust Caps
Note
Connectors should only be fitted to glass fiber-optic cables by trained personnel.
When fitted correctly, they allow extremely low coupling attenuation and the value
can be repeated after inserting the connector several times.
Preassembled Cables
To be able to use glass fiber-optic cables with untrained personnel, glass fiber-optic
cables are also available with four BFOC connectors already fitted.
For ordering data, please refer to the current SIMATIC NET Catalog IK PI.
Fitting Connectors on Site
If it is necessary to fit connectors on site,
- BFOC connectors and suitable tools can be ordered (see IK PI)
- SIEMENS provides this service.
You can obtain further information from your Siemens contact in your local
Siemens office.
You will find the addresses:
– in our Catalog IK PI
– on the Internet (http//www.ad.siemens.de)
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!
7-40
Caution
Fiber-optic cable connectors are susceptible to contamination and mechanical
damage. Protect open connections with the supplied dust caps. Only remove the
dust cap immediately before making the connection.
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Installing Network Components in
Cubicles
8
Chapter Overview
8.1
IP Degrees of Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-2
8.2
SIMATIC NET Components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8-4
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8.1
IP Degrees of Protection
General
Electrical equipment is normally surrounded by a protective casing.
The purpose of this casing includes
S
Protection of persons from touching live components or moving parts
(accidental contact protection)
S
Protection of equipment from intrusion of solid foreign bodies (solid body
protection)
S
Protection of equipment from ingress of water (water protection).
IEC 60529, EN 60529 /15/
The degree of protection specifies the degree to which the casing meets these
three protective functions.
The degrees of protection are specified uniformly in the “International Standard
IEC 60529” or in the identical European standard EN 60529.
The degree of protection of a casing is indicated by a code. The code consists of
the letters IP (International Protection) followed by a code number for contact, solid
body and water protection as shown below:
IP 5 4
Code letters
(International Protection)
1st code number (0 through 6)
Contact and solid body protection
2nd code number (0 through 8)
Water protection
In some situations, the degree of protection is specified in even greater detail by
adding letters to the code numbers.
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Degree of Protection
The various degrees of protection are listed briefly in Tables 8-1 and 8-2. For more
detailed information on the individual ratings and the test conditions that must be
fulfilled, please refer to the standards listed above.
Table 8-1
Contact Protection (short form)
First
Number
Protection of equipment from
intrusion of solid foreign
bodies
Protection of people from
access to dangerous parts
0
not protected
not protected
1
≥ 50.0 mm diameter
back of hand
2
≥ 12.5 mm diameter
finger
3
≥ 2.5 mm diameter
tool
4
≥ 1.0 mm diameter
wire
5
dust protected
wire
6
dustproof
wire
Table 8-2
Water Protection (short form)
Second Number
Protection of equipment from ingress of water
0
not protected
1
vertically falling drops of water
2
falling water (15° from vertical)
3
sprayed water
4
splashwater
5
jet water
6
strong jet water
7
temporary immersion
8
long period of immersion
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8.2
SIMATIC NET Components
Ventilation Openings
The casings of most SIMATIC NET network components have ventilation
openings. To allow more effective cooling of the electronics components, ambient
air can flow through the casing. The maximum operating temperatures quoted in
the technical specifications apply only when there is unrestricted flow of air through
the ventilation openings.
Depending on the size of the ventilation openings, such modules comply with
degree of protection IP 20, IP 30 to IP 40. You will find the precise degree of
protection of a SIMATIC NET component in its operating instructions.
Components with the degrees of protection mentioned above do not provide
protection against dust and water! If the installation site requires such protection,
the components must be installed in an additional enclosure such as a switching
cubicle that provides the higher degree of protection (for example IP 65/ IP 67).
If you install these components in an additional enclosure, make sure that the
conditions required for operation are maintained!
Heat Dissipation
Make sure that the temperature inside the additional enclosure does not exceed
the permitted ambient temperature for the installed components. Select an
enclosure with adequate dimensions or use heat exchangers.
Outdoor Installation
If you install the equipment outdoors, make sure that the additional enclosure is not
subjected to direct sunlight. This can lead to a considerable rise in temperature
within the enclosure.
Clearances
Make sure that there is adequate clearance around the component so that
8-4
S
the convection cooling of the component is not restricted
S
components do not cause neighboring components to heat up more than
permitted
S
there is enough space for installing cabling
S
there is enough space to remove components for maintenance or repair.
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Note
Regardless of the degree of protection of the casing, the electrical and optical
ports are always sensitive to
– mechanical damage
– damage caused by electrostatic contact discharge
– contamination by dust and fluids
Close unused ports with the supplied dust protection caps. Remove these caps
only immediately before connecting up the cables to the ports.
Standards
EN 60529:2000 degree of protection due to casing (IP Code) (IEC 60529:1999)
Further Literature
Klingberg, G.; Mähling, W.: Schaltschrank– und Gehäuse–Klimatisierung in der
Praxis (mit EMV); Heidelberg 1998
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Dimension Drawings
9
Chapter Overview
9.1
Optical Link Module (OLM) and Electrical Link Module (ELM) . . . . . . . . . .
9-2
9.2
Optical Switch Module (OSM) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-3
9.3
Electrical Switch Module ESM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-6
9.4
ASGE Active Star Coupler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-9
9.5
MINI OTDE Optical Transceiver . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-10
9.6
MINI UTDE RJ-45 Electrical Transceiver for Industrial Ethernet . . . . . . . .
9-10
9.7
Connectors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-11
9.8
Front View of the IE FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-14
9.9
Side View of the IE FC Outlet RJ-45 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-15
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Dimension Drawings
9.1
Optical Link Module (OLM) and Electrical Link Module (ELM)
15
90
Tilting/removing
the OLM
15
73
11
110
see Table
approx. 150
80
Figure 9-1
Industrial Ethernet OLM/ELM (dimensions in mm)
Cable Type
Space Required
9-pin sub-D connector for user assembly on ITP standard
cable
9-2
approx. 160 mm
Preassembled Cables
ITP standard cable 9/x
ITP XP standard cable 9/x
approx. 95 mm
approx. 95 mm
Preassembled Cables
TP Cord 9/x (horizontal cable outlet)
ITP Cord 9/x (horizontal cable outlet)
approx. 95 mm
approx. 95 mm
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9.2
Optical Switch Module (OSM)
Outer Dimensions and Clearances Required for Installation of the OSM ITP62,
OSM ITP62-LD, ITP53
approx. 150
11
130
15
217
Figure 9-2
Industrial Ethernet OSM ITPxx (dimensions in mm)
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Dimension Drawings
Outer Dimensions and Clearance Required for Installation of the OSM TP62
Figure 9-3
9-4
approx. 150
approx. 60
11
130
15
217
Industrial Ethernet OSM TPxx (dimensions in mm)
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Side View of the OSM
15
68
Tilting/
removing the OSM
Figure 9-4
see Table
Industrial Ethernet OSM (side view; dimensions in mm)
Cable Type
9-pin sub-D connector for user assembly on ITP
standard cable
Space Required1)
approx. 160 mm
Preassembled Cables
ITP standard cable 9/x
ITP XP standard cable 9/x
approx. 95 mm
approx. 95 mm
Preassembled Cables
TP Cord 9/x (horizontal cable outlet)
ITP Cord 9/x (horizontal cable outlet)
approx. 95 mm
approx. 95 mm
TP Cord 9-45/x (45° cable outlet)
TP XP Cord 9-45/x (45° cable outlet)
approx. 65 mm
approx. 65 mm
1) for TP port and Standby-Sync port
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Dimension Drawings
9.3
Electrical Switch ModuleESM
Outer Dimensions of the ESM ITP80
130
15
217
Figure 9-5
9-6
Industrial Ethernet ESM ITP80 (dimensions in mm)
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Dimension Drawings
Outer Dimensions of the ESM TP80
approx. 60 mm
130
15
217
Figure 9-6
Industrial Ethernet ESM TP80 (dimensions in mm)
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Dimension Drawings
Outer Dimensions and Clearance Required for Installing the ESM ITP80/TP80
(side view)
15
68
Tilting/
removing the ESM
Figure 9-7
see Table
Industrial Ethernet ESM (side view; dimensions in mm)
Space Required1)
Cable Type
9-pin sub-D connector for user assembly on ITP
standard cable
approx. 160 mm
Preassembled Cables
ITP standard cable 9/x
ITP XP standard cable 9/x
approx. 95 mm
approx. 95 mm
Preassembled Cables
TP Cord 9/x (horizontal cable outlet)
ITP Cord 9/x (horizontal cable outlet)
approx. 95 mm
approx. 95 mm
TP Cord 9-45/x (45° cable outlet)
TP XP Cord 9-45/x (45° cable outlet)
approx. 65 mm
approx. 65 mm
1) for TP port and Standby-Sync port
9-8
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Dimension Drawings
9.4
ASGE Active Star Coupler
133
Front View of the ASGE Active Star Coupler
449 (for installation in a 19” cabinet)
Figure 9-8
ASGE Active Star Coupler (front view; dimensions in mm)
Side View of the ASGE Active Star Coupler
Since the fiber-optic cable with its minimum bend radius and connector length
takes the most space of all possible cables, it is used here as a guideline for the
minimum clearance to the front of the ASGE active star coupler. At the back,
space must be left for one or more power supply connectors.
150
90
297
Figure 9-9
ASGE Active Star Coupler (side view; dimensions in mm)
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Dimension Drawings
9.5
Optical Transceiver
44
At both ends of the optical transceiver, a clearance of approximately 100 mm to the
metal casing must be maintained for the AUI or fiber-optic cable. This distance is
necessary to keep to the maximum bend radius with the connector length already
included in the calculation (see, for example Figure 9-10).
21
91
Figure 9-10
MINI-OTDE Optical Transceiver (dimensions in mm)
9.6
Mini UTDE RJ-45 Electrical Transceiver
44
UTDE
SQE test
OFF
82
Figure 9-11
9-10
ON
21
Mini-UTDE RJ-45 Electrical Transceiver (dimensions in mm)
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Dimension Drawings
9.7
Connectors
9-pin Sub-D Connector
The 9-pin sub D connector for user assembly and the version used on
preassembled cables have different cable outlets. This results in different bend
radii for the outgoing cable (see Figure 9-12 and Figure 9-13). The specified bend
radii apply to the ITP standard cable.
approx.
57
100
14
37
6
31
15
Figure 9-12
9-pin Sub-D Connector for User Assembly (dimensions in mm)
approx. 45
37
6
31
15
50
Figure 9-13
9-pin sub-D Connector on Preassembled Cable (dimensions in mm)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
9-11
Dimension Drawings
15-pin Sub-D Connector
The 15-pin sub D connector for user assembly and the version used on
preassembled cables have different cable outlets. This results in different bend
radii for the outgoing cable (see Figure 9-14 and Figure 9-15). The specified bend
radii apply to the ITP standard cable.
The outlet direction of the cable can be adjusted in both connector versions in
stages -30°, 0° (horizontal) and +30°.
15
65
13
40
47
Figure 9-14
15-pin Sub-D Connector for User Assembly (dimensions in mm)
15
50
6
40
47
Figure 9-15
9-12
15-pin sub-D Connector on Preassembled Cable (dimensions in mm)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Dimension Drawings
RJ-45 Connector
9
approx.
23
15
14
30
Figure 9-16
RJ-45 Connector (dimensions in mm)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
9-13
Dimension Drawings
9.8
Front View of the IE FC Outlet RJ-45
30
SIEMENS
Recommended installation cutout
for real wall installation
22.8
21
25
90
108
5
22.8
Figure 9-17
9-14
IE FC Outlet RJ-45 (dimensions in mm)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Dimension Drawings
9.9
Side View of the IE FC Outlet RJ-45
approx.
15
37
90
Tilting/
removing the
IE FC Outlet RJ-45
Figure 9-18
IE FC Outlet RJ-45 (dimensions in mm)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
9-15
Dimension Drawings
9-16
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
A
References
Manuals and Further Information
SIMATIC NET Industrial Ethernet is based on the following standards and
directives:
/1/
ANSI/IEEE Std 802.3–1993 (ISO/IEC 8802–3: 1993)
Carrier Sense Multiple Access with Collision Detection (CSMA/CD)
Access Method and Physical Layer Specifications
/2/
IEEE Std 802.3c–1985
Supplement to 802.3–Repeater Unit for 10 Mb/s Baseband Networks
(Sections 9.1–9.8)
/3/
IEEE Std 802.3i–1990
Supplement to 802.3 – System Considerations for Multisegment 10
M/S Baseband Networks (Section 13) and Twisted Pair Medium
Attachment Unit and Baseband Med Spec, Type 10BASE–T (Section
14)
/4/
IEEE 802.3j–1993
Supplement to 802.3 – Fiber Optic Active and Passive Star–Based
Segments, Type 10BASE–F (Sections 15–18)
/5/
IEEE Std 802.3u–1995
Local and Metropolitan Area Networks–Supplement – Media Access
Control (MAC) Parameters, Physical Layer, Medium Attachment Units
and Repeater for 100 MB/s Operation, Type 100BASE–T (Clauses
21–30)
The following manuals contain information on SIMATIC NET
Industrial Ethernet:
/6/
SIMATIC NET Manual for Triaxial Networks
Order number: 6GK1970–1AA20–0AA1
/7/
SIMATIC NET Manual Ethernet (ASGE Star Coupler)
Order number: HIR: 943 320–001 German
Order number: HIR: 943 320–011 English
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
A-1
References
For information on SIMATIC NET OSM/ESM Network Management,
refer to
/8/
SIMATIC NET OSM/ESM
Network Management, manual
This documentation is available on the CS manual server
(http://www.ad.siemens.de/csi).
Search for entry ID 2928320
The following manuals contain information on networking SIMATIC
programmable controllers:
/9/
SIMATIC S7–300 Programmable Controller,
Hardware and Installation Manual
SIEMENS AG
Part of the “S7–300, M7–300 Documentation Package,
Order number: 6ES7 398–8AA01–8AA1”
/10/
SIMATIC S7–400, M7–400 Programmable Controller,
Hardware and Installation Manual
SIEMENS AG
Part of the “S7–400, M7–400 Documentation Package,
Order number: 6ES7 498–8AA01–8AA1”
Order numbers
The order numbers of the SIEMENS documentation listed above can be found in
the catalogs SIMATIC NET Industrial Communication, Catalog IK PI” and
”SIMATIC Components for Fully Integrated Automation, Catalog ST 70”.
You can order these catalogs and obtain further information and details of available
training courses from your local SIEMENS office or national head office.
A-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
References
For information on information technology networking,
refer to the following European standards:
/11/
EN 50173
Information Technology – Generic Cabling Systems.
/12/
EN 50174–1
Information Technology – Cabling System Installation
Part 1: Specification and Quality Assurance
/13/
EN 50174–2:2000
Information Technology – Cabling System Installation
Part 2: Installation Planning and Practices inside Buildings
/14/
EN 50174–3
Information Technology – Cabling System Installation
Part 3: Installation Planning and Practices outside Buildings
Standards on the Safety of Devices
/15/
EN 60529 / (IEC 60529)
Protection Provided by Enclosures (IP Code)
/16/
EN 60825–1 / (IEC 60825–1)
Safety of Laser Products
Part 1: Classification of Systems, Requirements and User Guidelines
/17/
EN 60825–2 / (IEC 60825–2)
Safety of Laser Products
Part 2: Safety of Optical Fiber Communication Systems
/18/
EN 60950 / (IEC 60950, modified)
Safety of Information Technology Equipment
/19/
EN 61010–1 / (IEC 61010–1, modified)
Safety Regulations for Electrical Equipment for Measurement, Control,
and Laboratory Use
/20/
EN 61131–2 / (IEC 61131–2)
Programmable Controllers
Part 2: Equipment Requirements and Tests
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
A-3
References
European Standards for AC Distribution Systems, Grounding and Bonding
Systems:
A-4
/21/
EN 50310:2000
Application of Equipotential Bonding and Earthing in Buildings with
Information Technology
/22/
HD 384.3 S2
Electrical Installations of Buildings
Part 3: Assessment of General Characteristics
(IEC 60364–3:1993, modified)
/23/
HD 384.4.41 S2
Electrical Installations of Buildings
Part 4: Protection for Safety
Section 41: Protection against Electric Shock
(IEC 60364–4–41:1992, modified)
/24/
HD 384.4.47 S2
Electrical Installations of Buildings
Part 4: Protection for Safety
Chapter 47: Application of Protective Measures for Safety
Section 470.’ General
Section 471: Measures for Protection against Electric Shock (IEC
60364–4–47:1981 + A 1:1993, modified)
/25/
HD 384.4.482 S1, Electrical Installations of Buildings
Part 4: Protection for Safety
Chapter 48: Choice of Protective Measures as a Function of external
Influences
Section 482: Protection against Fire
/26/
HD 384.4.54 S1, Electrical Installations of Buildings
Part 5: Selection and Erection of Electrical Equipment
Chapter 54: Earthing Arrangements and protective Conductors
(IEC 60364–5–54:1980, modified)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
References
International Standards for AC Distribution Systems, Grounding and Bonding
Systems:
/27/
IEC 60364–3
Electrical installations of buildings;
part 3: Assessment of general characteristics
/28/
IEC 60364–4–41
Electrical installations of buildings
Part 4: Protection for safety
Chapter 41: Protection against electric shock
/29/
IEC 60364–4–47
Electrical installations of buildings.
Part 4 : Protection for safety.
Chapter 47 : Application of protective measures for safety.
/30/
IEC 60364–5–54
Electrical installations of buildings
Part 5: Selection and erection of electrical equipment
Chapter 54: Earthing arrangements and protective conductors
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
A-5
References
A-6
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
B
SIMATIC NET – Support and Training
Customer Support, Technical Support
Open round the clock, worldwide:
Nuremberg
Johnson City
Singapore
SIMATIC Hotline
Worldwide (Nuremberg)
Worldwide (Nuremberg)
Technical Support
Technical Support
(free contact)
(charged only with SIMATIC Card)
Mo.-Fr. 7:00 to 17:00
Local time:
Mo.-Fr. 0:00 to 24:00
+49 (0)180 5050-222
Telephone:
+49 (0)911 895-7777
Fax:
+49 (0)180 5050-223
Fax:
+49 (0)911 895-7001
E-mail:
techsupport@
ad.siemens.de
+1:00
GMT:
+01:00
Local time:
Telephone:
GMT:
Europe / Africa (Nuremberg)
America (Johnson City)
Asia / Australia (Singapore)
Authorization
Technical Support and
Authorization
Technical Support and
Authorization
Local time:
Mo.-Fr. 7:00 to 17:00
Local time:
Mo.-Fr. 8:00 to 19:00
Local time:
Mo.-Fr. 8:30 to 17:30
Telephone:
+49 (0)911 895-7200
Telephone:
+1 (0)423 461-2522
Telephone:
+65 (0)740-7000
Fax:
+49 (0)911 895-7201
Fax:
+1 (0)423 461-2289
Fax:
+65 (0)740-7001
E-mail:
authorization@
nbgm.siemens.de
+1:00
E-mail:
simatic.hotline@
sea.siemens.com
-5:00
E-mail:
simatic.hotline@
sae.siemens.com.sg
+8:00
GMT:
GMT:
GMT:
The languages spoken on the hotlines are German and English. On the authorization hotline, French, Italian and Spanish are also available.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
B-1
SIMATIC NET – Support and Training
Training Center
To help you become familiar with SIMATIC S7 programmable controllers, we offer
training courses. Please contact your regional training center or the central training
center in D 90327 Nuremberg.
Tel. +49 (0) 911–895–3154
Infoline: Tel. +49 (0) 1805 23 56 11 , Fax. +49 (0) 1805 23 56 12
Internet:
http://www.ad.siemens.de/training
E–mail:
AD–Training@nbgm.siemens.de
SIMATIC Customer Support Online Services
The SIMATIC Customer Support team provides you with comprehensive additional
information on SIMATIC products in its online services:
S
You can obtain general current information:
– On the Internet at http://www.ad.siemens.de/net
– Using fax polling no. 08765 - 93 02 77 95 00
S
Current Product Information leaflets and downloads which you may find useful
for your product are available:
– On the Internet at http://www.ad.siemens.de/csi/net
– Via the Bulletin Board System (BBS) in Nuremberg (SIMATIC Customer
Support Mailbox) under the number +49 (911) 895-7100.
To access the mailbox, use a modem with V.34 (28.8 Kbps) capability whose
parameters you should set as follows: 8, N, 1, ANSI, or dial in using ISDN
(x.75, 64 Kbps).
Further Support
if you have further questions on SIMATIC NET products, please contact your
Siemens representative in your local Siemens office.
You will find the addresses listed
B-2
S
in our catalog IK PI
S
on the Internet (http://www.ad.siemens.de)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
SIMATIC NET -- Support and Training
Ordering Special Cables
You can order special cables and special lengths of all SIMATIC NET LAN cables
from
A&D SE V22
WKF Fürth
Hr. Hertlein
Tel.: +49 911 /750--4465
Fax: +49 911/750--9991
email: juergen.hertlein@fthw.siemens.de
Noise--Free Power Distribution Systems
You can get help on planning and installing noise--free power distribution systems
for buildings with networked data processing systems and on interference analysis
and elimination in existing systems from:
Siemens AG
Industrial Solutions and Services
I&S IS BLN2
Thomas Gerlach
Gartenfelder Straße 29
D--13599 Berlin
Tel.(030)386--34809
Fax (030) 386 --3 4921
Mobil (01 72) 3 07 95 44
E--Mail: Thomas.Gerlach@bln2.siemens.de
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
B-3
SIMATIC NET – Support and Training
B-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Description and operating instructions
Link Modules for Industrial Ethernet
SIMATIC NET
Industrial Ethernet
OLM V2.0 / ELM
Order no.
6GK1102-4AA00/
6GK1102-5AA00
SIMATIC NET OLM Industrial Ethernet
P1
P2
DA
CD
The SIMATIC NET link modules for
Industrial Ethernet allow Ethernet networks
to be constructed flexibly in accordance
with IEEE standard 802.3 using optical
waveguide (F/O) and copper technology.
The link modules provide several connection options in one piece of equipment and
are plugged onto the standard bar.
LS1
LS2
LS3
LS4
LS5
Port 1
Port 2
Port 3
Industrial Ethernet OLM V2.0
The OLMs (optical link modules) have three
industrial twisted pair (ITP) interfaces and
two BFOC optical interfaces. It is possible to
connect up to three pieces of terminal
equipment or other ITP segments using
ITPs, and F/Os can be used to connect up to
two more pieces of terminal equipment or
optical network components (OLM, ECFL2,
Mini-OTDE, etc.).
Besides the three industrial twisted pair
(ITP) interfaces, the ELMs (electrical link
modules) have an AUI interface. It is possible to connect an Ethernet segment to a
CSMA/CD local area network (LAN) with a
transmission speed of 10 Mbit/s via the AUI
interface.
Both modules conform to the specifications
of ISO/IEC standard 8802-3.
SIMATIC NET ELM Industrial Ethernet
P1
P2
DA
CD
You will find a detailed description of constructing a network with link modules and
notes on network planning and installation
in the “Industrial Twisted Pair” manual.
LS1
LS2
LS3
Port 1
Port 2
Port 3
Industrial Ethernet ELM
1
We have checked that the contents of the
technical publication agree with the hardware and software described. However, it is
not possible to rule out deviations completely, so we are unable to guarantee complete agreement. However, the details in the
technical publication are checked regularly.
Any corrections which prove necessary are
contained in subsequent editions. We are
grateful for suggestions for improvement.
We reserve the right to make technical
modifications.
Permission is not given for the circulation
or reproduction of this document, its use or
the passing on of its contents unless granted expressly. Contravention renders the
perpetrator liable for compensation for
damages. All rights reserved, in particular
in the case of patent grant or registration of
a utility or design.
Copyright © Siemens AG 1998
All Rights Reserved
Note
We would point out that the content of
these operating instructions is not part of,
nor is it intended to amend an earlier or existing agreement, permit or legal relationship. All obligations on Siemens arise from
the respective purchasing agreement which
also contains the full warranty conditions
which have sole applicability. These contractual warranty conditions are neither
extended nor restricted by comments in
these operating instructions.
We would furthermore point out that for
reasons of simplicity, these operating
instructions cannot describe every
conceivable problem associated with the
use of this equipment. Should you require
further information or should particular
problems occur which are not treated in
sufficient detail in the operating instructions, you can request the necessary information from your local Siemens office.
2
General
Electricity is used to operate this equipment. Comply in every detail with the safety
requirements specified in the operating
instructions regarding the voltages to
apply!
v
Warning!
If warning notes are ignored, it is
therefore possible for severe injuries
and/or material damage to occur.
Only appropriately qualified staff
should work on or near this equipment. Such staff must be thoroughly
acquainted with all the warnings
and maintenance measures contained in these operating instructions.
The proper and safe operation of
this equipment assumes proper
transport, appropriate storage and
assembly and careful operation and
maintenance.
Staff qualification
requirements
Qualified staff within the meaning of these
operating instructions or the warning notes
are persons familiar with setting up, assembling, starting up and operating this product
and who have appropriate qualifications to
cover their activities, such as:
– training or instruction/entitlement to
switch circuits and equipment/systems on
and off, earth them and identify them in
accordance with current safety standards;
– training or instruction in accordance with
current safety standards in looking after
and using appropriate safety equipment;
– first aid training.
Safety guidelines
v
Warning!
The OLM/ELM units are designed for
operation with safety extra-low voltage. Accordingly, only safety extralow voltages (SELV) to
IEC950/EN60950/VDE0805 may be
connected to the supply voltage
connections.
1. Functional description
1.1 GENERAL FUNCTIONS
Signal regeneration
The OLM/ELM processes the signal shape
and amplitude of the data received.
Retiming
In order to prevent jitter increasing over
several segments, the OLM/ELM retimes the
data to be transmitted.
Preamble regeneration
The OLM/ELM supplements lost preamble
bits from data received to 64 bits (incl. the
start of frame delimiter (SFD)).
Fragment extension
Collisions can cause short fragments to
occur. If the OLM/ELM receives a fragment,
this is supplemented to give the minimum
length of 96 bits. This ensures reliable collision detection by all network participants.
Collision handling
If the OLM/ELM detects a data collision, it
interrupts the transmission. For the
duration of the collision, the collided data
package is replaced by a jam signal to
ensure collision detection by the terminal
equipments.
Auto partitioning
Network failures can be caused by permanent occupancy, interrupted lines, lack of
terminating resistors, damaged cable insulation and frequent collisions due to electromagnetic interference. In order to protect
the network from such failures, the
OLM/ELM in this case separates the segment in the receiving direction from the rest
of the network.
The OLM/ELM has this auto partitioning
function individually at each port. The other
ports can thus continue to be operated
without interference if one of the ports has
been auto partitioned. In the event of auto
partitioning, transmission continues into
the ITP segment or the F/O line but reception at this port is blocked.
With twisted pair, auto partitioning is activated if
– a data collision lasts longer than 105 µs or
– there are more than 64 consecutive data
collisions.
With F/O, auto partitioning becomes active
when
– a data collision lasts longer than 1.5 ms
(normal mode) or 0.2 ms (redundant
mode) or
– there are more than 64 (normal mode) or
16 (redundant mode) consecutive data
collisions.
Reconnection
The segment is reconnected to the network
as soon as a package with the minimum
length of 51 µs is received without collision
at the relevant port, i. e. when the segment
is working properly again.
When the redundant mode is active, packages >51 µs sent at a F/O port without
collision also lead to reconnection.
1.4 DISPLAY ELEMENTS
Equipment status
The 4 LEDs on top provide information
about statuses which affect the function of
the entire OLM/ELM.
P1 – Power 1 (green LED)
– lit: supply voltage 1 present
– lit not: – supply voltage 1 not present,
– hardware fault in OLM/ELM
Jabber control
Due to a defective bus coupler or LAN controller, for example, the network can be continuously occupied with data. To protect
against this, the OLM/ELM interrupts
reception
– at the affected ITP or AUI port after 5.5
ms. 9.6 µs after the end of the error the
auto partitioning will be canceled.
(jabber lockup protection)
– at the relevant F/O port after 3.9 ms. 420
ms after the end of the error the auto partitioning will be canceled.
(Rx jabber)
P2 – Power 2 (green LED)
– lit: supply voltage 2 present
– lit not: – supply voltage 2 not present,
– hardware fault in OLM/ELM
1.2 SPECIFIC FUNCTIONS OF THE
ITP INTERFACE
Link control
The OLM/ELM monitors the connected ITP
line segments for short-circuit or interrupt
using regular link test pulses in accordance
with IEEE standard 802.3 10BASE-T. The
OLM/ELM does not transmit any data in an
ITP segment from which it does not receive
a link test pulse.
Note: A non-occupied interface is assessed
as a line interrupt. The ITP line to terminal
equipment which is switched off is likewise
assessed as a line interrupt as the deenergised bus coupler cannot transmit link
test pulses.
Auto polarity exchange
If the reception line pair is incorrectly
connected (RD+ and RD- switched) polarity
is automatically reversed.
1.3 SPECIFIC FUNCTIONS OF THE
F/O INTERFACE
Link control
The OLM monitors the connected F/O lines
for interrupts using regular link test pulses
in accordance with IEEE standard 802.3
10BASE-FL. The OLM transmits no data to
an F/O line from which it is receiving no link
test pulse.
Redundancy
In areas where data security has top priority, it is possible with the aid of the redundancy function to bridge any failure of an
F/O line or OLM. To do so, a replacement
line is frequently routed in a different cable
run. In the event of a fault, there is an automatic switch between the main line and the
replacement. A cross-link within the bus
structure creates a ring (see Fig. 6). If any
OLM link or OLM fails, every other OLM can
still be reached with the aid of the redundant run.
DA – Data (yellow LED)
– lit: OLM/ELM receiving data at at least 1
interface
– lit not: – OLM/ELM not receiving data at
any interface,
– hardware fault in OLM/ELM
Depending on network load, the illumination of the LED can vary between a brief
lighting up to permanent illumination.
CD – Collision Detect (red LED)
– lit: data collision detected at OLM/ELM
level
– lit not: – no data collision at OLM/ELM
level
Port Status ELM
These groups of LEDs display port-related
information.
LS1 to LS3 - link status of the ITP
ports (3 x green LED)
– lit:
ELM receiving link test pulses from
ITP segment,
– the ITP segment connected is
working properly
– lit not: ELM is not receiving any link test
pulses from ITP segment,
– the assigned ITP port is not
connected,
– the equipment connected is
switched off,
– the ITP line is interrupted or
short-circuited
Port Status OLMV2.0
These groups of LEDs display port-related
information.
LS1 to LS3 - link status of the ITP
ports (3 x green LED)
– lit:
OLM receiving link test pulses
from ITP segment,
– the ITP segment connected is
working properly
– flashes 2 times
per period:
port has auto partitioned
– lit not: OLM is not receiving any link test
pulses from ITP segment,
– the assigned ITP port is not
connected,
– the equipment connected is
switched off,
– the ITP line is interrupted or
short-circuited
LS4 – link status of F/O port 4
(green LED)
– lit:
OLM receiving link test pulses
from F/O segment,
– the F/O segment connected is
working properly
3
– flashes 2 times
per period:
port has auto partitioned
– lit not: OLM not receiving any link test
pulses from F/O segment,
– the assigned F/O port is not
connected,
– the equipment connected is
switched off,
– the F/O receiving fibre is interrupted
LS5 – Link status of F/O port 5
(green LED)
Normal mode switched on
– lit:
OLM receiving link test pulses
from F/O segment,
– the connected redundant F/O
segment is working properly
– flashes 2 times
per period:
port has auto partitioned
– lit not: OLM not receiving any link test
pulses from F/O segment,
– the assigned F/O port is not
connected,
– the equipment connected is
switched off,
– the F/O receiving fibre is interrupted
LS5 – Link status of F/O port 5
(green LED)
Redundant mode switched on
– lit:
OLM receiving link test pulses
from F/O segment,
– the connected redundant F/O
segment is working properly
and is active,
– flashes 1 time
per period:
OLM receiving link test pulses from F/O segment,
– the connected redundant F/O
segment is working properly
and is in stand-by mode,
– lit not: OLM not receiving any link test
pulses from F/O segment,
– the assigned F/O port is not
connected,
– the equipment connected is
switched off,
– the F/O receiving fibre is interrupted
1.5 CONTROLS
6-pin DIP switch
Using the 6-pin DIP switch on the top of the
OLM/ELM housing
– the message about the link statuses can
be suppressed by the indicator contact on
a port-by-port basis. Using switches LA1
to LA5 (LA1 to LA3 on the ELM), the message about the link status of ports 1 to 5
(1 to 3 on ELM) is suppressed. State on
delivery: switch position 1 (on), i.e. message not suppressed.
- port 5 can be switched to redundant mode
(on the OLM). State on delivery: switch
position 0 (off), i.e. port 5 in normal mode.
Off On
LA1
LA2
LA3
LA4
LA5
R5
Port 1
Port 2
Port 3
Port 4
Port 5
Port 5
Suppress message
about link status
via indicator contact
Redundant mode
Fig. 1: 6-pin DIP switch on OLM
4
Off On
LA1
LA2
LA3
Port 1
Port 2
Port 3
Suppress message
about link status
via indicator contact
v
not configured
Fig. 2: 6-pin DIP switch on ELM
1.6 INTERFACES
ITP connection
Three 9-pin sub-D sockets enable three
independent ITP segments to be connected.
The socket casings are electrically connected to the front panel and thus connected to
the housing of the OLM/ELM.
Mechanical locking is by means of a
UNC 4-40 screw locking mechanism.
– Pin configuration of the 9-pin sub-D
socket:
– TD+: pin 5, TD-: pin 9
– RD+: pin 1, RD-: pin 6
– remaining pins: not configured.
RD+
n.c.
n.c.
n.c.
TD+
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
RDn.c.
n.c.
TD-
Fig. 3: Pin configuration of an ITP interface
AUI connection (ELM)
An AUI port to IEEE 802.3 enables ELM
equipment to be connected to an Ethernet
segment via a bus coupler. The data and CD
lines of the AUI port are DC-decoupled from
the supply voltages. The voltage (+ 12 V DC)
to supply a bus coupler has the earth of the
supply voltage as a reference potential.
Note: When connecting the ELM to a
SINEC bus coupler with 2 interfaces (level 4
of issue or less), use only the left-hand
interface of the coupler.
– Voltage supply: The voltage supply can
be connected to be redundant. Both
inputs are decoupled. There is no load
distribution. With redundant supply, the
power pack supplies the OLM/ELM alone
with the higher output voltage. The
supply voltage is electrically isolated from
the housing.
– Indicator contact: Contract interrupt
indicates the following by means of a
potential-free indicator contact (relay
contact, closed circuit):
– the failure of at least one of the two
supply voltages.
– a permanent fault in the link module
(internal 5 V DC voltage, supply voltage
1 or 2 not in the permissible range).
– the faulty link status of at least one F/O
(on OLM) or ITP port.
The indication of the link state might be
masked on a port-by-port basis using
DIP switches.
– at least one port has auto partitioned.
Port 5 in redundant mode doesn’t indicate the state „auto partitioning“,
because this function characterizes the
error free state of the optical ring.
Note: In the case of the voltage supply
being routed without redundancy, the
OLM/ELM indicates the failure of a supply
voltage. You can prevent this message by
feeding in the supply voltage through both
inputs.
L1+
Pin 1
Pin 2
Pin 3
Pin 4
Pin 5
Pin 6
Pin 7
Pin 8
Pin 9
Pin 10
Pin 11
Pin 12
Pin 13
Pin 14
Pin 15
Collision in CI-B
Transmit DO-B
GND
Receive DI-B
Voltage +12 V / 0,5 A
GND
not used
+24 V
F1
M
Fault
F2
L2+
GND
Collision in CI-A
Transmit DO-A
GND
Receive DI-A
GND
not used
GND
Warning!
The OLM/ELM equipment is designed for operation with SELV. Only
safety extra-low voltages to
IEC950/EN60950/VDE0805 may
therefore be connected to the
supply voltage connections and to
the indicator contact.
+24 V *
Fig. 5: Pin configuration of 5-pin terminal
block
Fig. 4: Pin configuration of AUI interface
2. Configuration
F/O connection (OLM)
2 optical ports to 10BASE-FL (BFOC/2.5 (ST)
sockets) enable OLM equipment to be cascaded as well as redundant rings to be constructed using F/Os and terminal equipment
to be connected.
2.1 LINE STRUCTURE
The OLM/ELM enables line structures to be
built up. Cascading can be effected using
both the ITP and F/O ports (OLM) or with a
bus coupler via the AUI port (ELM).
M When cascading via ITP ports, use a
cable which crosses the signal pairs, i.e.
in each case connects output to input.
Detailed planning rules (cascade depth etc.)
can be found in the “Industrial Twisted Pair
Networks” manual.
5-pin terminal block
The supply voltage and the indicator
contact are connected via a 5-pin terminal
block with screw locking mechanism.
Industrial
twisted pair
line
DTE
Twisted
Pair
Transceiver
TPTR
OLM
OLM
OLM
OLM
DTE
TPTR
Port 5
Port 4
Industrial
twisted pair
line
F/O line
Ring
with redundant run
Fig. 6: Redundant ring structure via the F/O ports of the OLM equipments
2.2 REDUNDANT RING STRUCTURE
(OLM)
Redundant ring structures can be built up
using the F/O ports of the OLM. Figure 6
shows a redundant ring structure with OLM
equipment. To do so, the first piece of
equipment is connected to the last in the
fiber optical line structure consisting of
OLM equipment (see above) and the redundant fiber optical ring thus closed.
To do so, the redundant connection on precisely one of the two OLMs is to be connected to port 5, and port 5 switched to redundant mode. Switchover is effected at the 6pin DIP switch on top of the equipment (see
chapter entitled “Functional description Controls”.
Note: All the modules in the redundant
ring may only be connected to one another
via F/O runs (ECFL2, ECFL4).
2.3 COMBINATION WITH
CONCENTRATORS OF THE ASGE, MC
AND AMC FAMILY
The OLM/ELM can also be combined with
concentrators of the ASGE, MC and AMC
family. The OLM/ELMs can be cascaded for
example in line structures via the ECFL2,
ECFL4, ECTP3 etc. interface cards.
The number of pieces of equipment which
can be cascaded depends on the overall
network structure. Redundant ring
structures can be implemented via the F/O
ports (OLM).
Hints on calculating the maximum network
expansion can be found in the Ethernet
manual, Chapter 8 (see „Technical Data“ for
order number).
3. Assembly, startup procedure
and dismantling
3.1 UNPACKING, CHECKING
– Check whether the package was delivered
complete (see scope of delivery).
– Check the individual parts for transport
damage.
Notes:
– The housing of the OLM/ELM is grounded
via the standard bar. There is no separate
ground connection.
– The screws in the lateral half-shells of the
housing may not be undone under any
circumstances.
– The shielding ground of the industrial twisted pair lines which can be connected is
electrically connected to the housing.
3.3 STARTUP PROCEDURE
You start up the OLM/ELM by connecting
the supply voltage via the 5-pin terminal
block. Lock the terminal block with the
locking screw at the side.
3.4 DISMANTLING
To take the OLM/ELM off the standard bar,
insert a screwdriver horizontally under the
housing into the locking slide, pull it (without tipping the screwdriver) downwards
and fold the OLM/ELM upwards (Fig. 8).
SIMATIC NET OLM f. Industrial Ethernet
v
Warning!
Use only undamaged parts!
P1
P2
DA
CD
LS1
LS2
LS3
LS4
LS5
Port 1
3.2 ASSEMBLY
The equipment is delivered in a ready-tooperate condition. The following procedure
is appropriate for assembly:
– Check whether the switch pre-setting suits
your requirements.
– Pull the terminal block off the OLM/ELM
and wire up the supply voltage and indicator lines.
– Fit the OLM/ELM on a 35 mm standard bar
to DIN EN 50 022.
– Suspend the upper snap-in hook of the
OLM/ELM in the standard bar, insert a
screwdriver horizontally under the housing into the locking slide pull this downwards (cf. Fig. 8, Dismantling) and press
the bottom of the module onto the standard bar until it locks in position (Fig. 7).
– Fit the signal lines.
Port 2
Port 3
locking slide
Fig. 8: Dismantling the OLM/ELM
4. Further support
In the event of technical queries, please talk
to your Siemens contact in the
agencies/offices responsible for looking
after you. You can find the addresses
– in our IK10 catalogue
– and on the Internet
(http://www.ad.siemens.de)
Our hotline is also at your disposal:
Tel: +49 911 895-7000 (Fax: -7001)
OLM
A maximum of 11 OLMs might be cascaded
in a fiber optical line.
Here the total line length between the terminal equipments with the maximum distance
might not exceed 1180 m.
The total line length is determined by the
total sum of all F/O line sections and the
two ITP lines to the terminal equipments.
ELM
A maximum of 13 OLMs/ELMs might be
cascaded in an ITP line, with a maximum
length of 100 m per ITP line.
A maximum of 2050 m total line length is
allowed between two terminal equipments.
Fig. 7: Assembling the OLM/ELM
5
5. Technical data
General data
Operating voltage
Current consumption
DC 18 to 32 V safety extra-low voltage (SELV) (redundant inputs decoupled)
typ. 160 mA (OLM) respectively 80 mA (ELM) at 24 VDC (without AUI-load)
max. 280 mA (OLM) respectively 430 mA (ELM) at 24 VDC (with AUI-load)
Overload current protection at input
Dimensions W x H x D
Mass
Ambient temperature
Storage temperature
Humidity
Protection class
Radio interference level
Interference immunity
non-changeable thermal fuse
80 mm x 140 mm x 85 mm
OLM 900 g, ELM 850 g
0 ºC to + 60 ºC
- 40 ºC to + 80 ºC
10% to 90% (not-condensing)
IP 30 (OLM), IP 40 (ELM)
EN 55022 Class B
EN 50082-2
Network size
Transition
Propagation equivalent
Variability Value
Transition
Propagation equivalent
Variability Value
F/O port (OLM ↔ OLM)
Optical output power
Graded-index fiber 50/125 µm (average)
Graded-index fiber 62,5/125 µm (average)
Optical input power
ITP line length (ITP-Port ↔ ITP-Port)
Length of an industrial twisted pair segment
AUI line length (AUI-Port ↔ AUI-Port)
Length of an AUI cable
F/O line length (example)
50/125 µm fiber
62,5/125 µm fiber
ITP-Port ↔ ITP-Port (OLM, ELM)
190 m
3 BT
ITP-Port ↔ F/O port (OLM)
360 m
6 BT
F/O port ↔ F/O port (OLM)
260 m
3 BT
ITP-Port ↔ AUI-Port (ELM)
190 m
3 BT
min. -22,0 dBm
min. -19,0 dBm
min. -33,0 dBm
max. -16,2 dBm
max. -12,4 dBm
max. 100 m
max. 50 m
max. 2.600 m
max. 3.100 m
Scope of delivery
SIMATIC NET Industrial Ethernet
OLM V2.0/ELM incl.
terminal block for supply voltage
description and operating instructions
Order number
SIMATIC NET Industrial Ethernet OLM V2.0 6GK1102-4AA00
SIMATIC NET Industrial Ethernet ELM
6GK1102-5AA00
Accessories
“Industrial Twisted Pair Networks” manual
Ethernet manual
Notes on CE identification
The link modules for Industrial
Ethernet comply with the regulations of the following European
directive:
89/336/EEC
Council Directive on the harmonisation of the legal regulations of
member states on electromagnetic
compatibility (amended by Directives 91/263/EEC, 92/31/EEC and
93/68/EEC).
737 211-002-01-0298
Printed in Germany
6
6GK1970-1BA00-0AA0
HIR:943 320-011
Area used
Residential
Industrial
Requirements for
emitted interference
EN 50081-1: 1992
EN 50081-2: 1993
The EU declaration of conformity is kept
available for the responsible authorities in
accordance with the above-mentioned EU
directives at:
Siemens Aktiengesellschaft
Bereich Automatisierungs- und
Antriebstechnik
Industrielle Kommunikation (A&D PT2)
Postfach 4848
D-90327 Nürnberg
interference immunity
EN 50082-1: 1992
EN 50082-2: 1995
The product can be used in the residential
sphere (residential sphere, business and
trade sphere and small companies) and in
the industrial sphere.
The precondition for compliance with EMC
limit values is strict adherence to the construction guidelines specified in this
description and operating instructions and
in the “Industrial Twisted Pair Networks”
manual!
Preface, Contents
SIMATIC NET
Introduction
1
Industrial Ethernet
OSM/ESM
Functions
2
Network Topologies with
OSM/ESM
3
Interfaces, Displays and
Operator Controls
4
Installation, Commissioning
5
Firmware Update
6
Technical Specifications
7
Further Support
8
Notes on the CE Mark
9
Glossary
10
Index
11
Operating Instructions
C79000-Z8976-C068-04
Release 4 2001/2002
Safety Guidelines
These operating instructions contain notices which you should observe to ensure your own personal safety as well as
to protect the product and connected equipment. These notices are highlighted in the manual by a warning triangle
and are marked as follows according to the level of danger:
Danger
indicates that death, severe personal injury or substantial property damage will result if proper precautions are not
taken.
Warning
Caution
indicates that death, severe personal injury or substantial property damage can result if proper precautions are not
taken.
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 systems 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 correctly, and
operated and maintained as recommended.
Trademarks
SIMATIC® and SIMATIC NET® are registered trademarks of Siemens AG.
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 2001/2001, All rights reserved
The reproduction, transmission or use of this document or its
contents is not permitted without express written authority. Offenders
will be liable for damages. All rights, including rights created by
patent grant or registration of a utility or design, are reserved.
Disclaimer
We have checked the contents of this manual for agreement with
the hardware and software described. Since deviations cannot be
precluded entirely, we cannot guarantee full agreement. However,
the data in this manual are reviewed regularly and any necessary
corrections included in subsequent editions. Suggestions for
improvement are welcome.
5KGOGPU #)
2QUVHCEJ & 0×TPDGTI
C79000-Z8976-C068-04
© Siemens AG 2001/2002
Subject to technical change.
5KGOGPU #MVKGPIGUGNNUEJCHV
2TKPVGF KP VJG (GFGTCN 4GRWDNKE QH )GTOCP[
$GTGKEJ #WVQOCVKUKGTWPIU WPF #PVTKGDUVGEJPKM
)GUEJ¼HVUIGDKGV +PFWUVTKG#WVQOCVKUKGTWPIUU[UVGOG
Preface
Preface
Purpose of the Operating Instructions
These Operating Instructions support you during configuration, commissioning, and
troubleshooting in networks with OSM ITP62, OSM ITP62-LD, OSM ITP53, ESM
ITP80, OSM TP62, and ESM TP80.
The Package
The OSM/ESM includes the following components:
” OSM / ESM device
” 6-pin plug-in terminal block
” Kit for wall mounting or mounting in 19" cubicle
” Product information bulletin
” CD
Installing an OSM/ESM
” Follow the instructions in Chapter 5 of these operating instructions.
Validity of the Operating Instructions
These operating instructions are valid for the following devices:
” OSM ITP62
” OSM ITP62-LD
” OSM ITP53
” ESM ITP80
” OSM TP62
” ESM TP80
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
1
Preface
Further Documentation
The OSM/ESM Network Management manual describes how to operate the
OSM/ESM with network management.
The "SIMATIC NET Industrial Twisted Pair and Fiber Optic Networks" manual contains
further information if you want to connect the OSM/ESM to other SIMATIC NET
network components (for example OLM, ELM) or if you want to connect entire network
segments to an OSM/ESM.
The manual "Triaxial Networks for Industrial Ethernet" contains instructions on
creating triaxial networks that you can connect via an ELM to an OSM/ESM.
Finding Information
To help you to find the information you require more quickly, the manual includes not
only the table of contents but also the following sections in the Appendix:
” Glossary
” Index
Guide to the Manual
To help you to find specific information quickly, these operating instructions include
the following parts:
” At the front of the operating instructions you will find a complete table of contents.
” The chapters have headings in the left margin with an overview of the contents of
the paragraphs in the section.
” Following the appendix, you will find a Glossary in which the most important
specialist terms used in the instructions are defined.
” At the back of the operating instructions, you will find an index with which you can
find topics quickly.
Audience
These Operating Instructions are intended for personnel involved in configuration,
commissioning, and troubleshooting in networks with OSM ITP62, OSM ITP62-LD,
OSM ITP53, ESM ITP80, OSM TP62, and ESM TP80.
2
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Preface
Personnel Qualification Requirements
Only qualified personnel should be allowed to install and work on this equipment .
Qualified personnel as referred to in the operating instructions or in the warning notes
are defined as persons who are familiar with the installation, assembly, startup and
operation of this product and who possess the relevant qualifications for their work,
e.g.:
” Training in or authorization for connecting up, grounding or labeling circuits and
devices or systems in accordance with current standards in safety technology;
” Training in or authorization for the maintenance and use of suitable safety
equipment in accordance with current standards in safety technology;
” First Aid qualification.
Standards and Approvals
The OSM /ESM meets the requirements for the CE mark. For more detailed
information about approvals and standards, refer to the appendix.
Recycling and Disposal
OSMs/ESMs are suitable for recycling due to the low levels of harmful substances
they contain
For environmentally-friendly recycling and disposal of your old OSM/ESM, please
contact:
Siemens Aktiengesellschaft
Anlagenbau und Technische Dienstleistung
ATD ERC Essen Recyling/Remarketing
Fronhauser Str. 69
45 127 Essen
Tel:
Fax:
+49-201-816-1540 (Hotline)
+49-201-816-1506
Documentation Feedback
To help us to provide the best possible documentation for you and future OSM/ESM
users, we need your support.
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
3
Preface
4
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Contents
Contents
1
Introduction ................................................................................................................7
1.1
1.1.1
1.1.2
1.1.3
1.1.4
1.1.5
1.1.6
Overview of the Variants of the OSM/ESM.......................................................9
OSM ITP62 ......................................................................................................9
OSM ITP62-LD...............................................................................................11
OSM ITP53 ....................................................................................................13
ESM ITP80.....................................................................................................14
OSM TP62 .....................................................................................................15
ESM TP80......................................................................................................17
2
Functions ..................................................................................................................19
3
Network Topologies with OSM/ESM........................................................................23
4
5
6
3.1
Bus Structure..................................................................................................24
3.2
Redundant Ring Structure ..............................................................................26
3.3
Redundant Coupling of Network Segments.....................................................28
3.4
Compatibility of OSM Version 2/ESM with OSM/ORM Version 1 ....................32
3.5
Coupling Network Segments...........................................................................36
Interfaces, Displays and Operator Controls............................................................39
4.1
4.1.1
4.1.2
4.1.3
4.1.4
4.1.5
4.1.6
4.1.7
ITP/TP Ports...................................................................................................40
ITP Ports ........................................................................................................40
TP Ports .........................................................................................................41
Properties of the TP/ITP Ports........................................................................42
FO Ports.........................................................................................................43
Standby Sync Port..........................................................................................44
Serial Interface ...............................................................................................45
Signaling Contact/Terminal Block for Attaching the Power Supply..................46
4.2
4.2.1
4.2.2
4.2.3
4.2.4
Displays and Operator Controls ......................................................................48
LED "Status"...................................................................................................48
LED "Power"...................................................................................................50
Port LEDs.......................................................................................................51
Operator Controls...........................................................................................53
Installation, Commissioning, Cleaning and Maintenance......................................55
5.1
Unpacking, Checking the Consignment ..........................................................56
5.2
Installation......................................................................................................57
5.3
Cleaning.........................................................................................................64
5.4
Maintenance...................................................................................................65
Firmware Update.......................................................................................................67
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
5
Contents
7
Technical Specifications..........................................................................................73
8
Further Support ........................................................................................................79
9
Notes on the CE Mark...............................................................................................83
10
Glossary ....................................................................................................................85
11
Index ..............................................................................................................................89
6
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1
The switching technology of the Industrial Ethernet OSM Version 2/ESM
(Optical/Electrical Switching Module) allows the structuring of Ethernet networks with
large spans and large numbers of nodes. It simplifies network configuration and
network expansions. The OSM Version 2/ESM are simply called OSM/ESM in the rest
of this manual.
The OSMs have both electrical ports and additional FO ports via which several of
these devices can be interconnected to form an optical bus or ring configuration.
ESMs only have electrical ports.
DTEs, other OSMs/ESMs or complete network segments operating at 10 or 100 Mbps
can be connected to the electrical auto-negotiation (autosensing) ports of the
OSM/ESM. The transmission rate is detected automatically.
To increase availability, ring configurations can be created with OSMs or ESMs. To do
this, OSMs or ESMs are first connected together to form a bus (via ports 7 and 8) .
The two ends of the rings are closed by an OSM or ESM operating in the RM
(redundancy manager) mode.
The OSM or ESM operating in the RM mode monitors the attached bus and allows a
connection through it if it detects an interruption on the attached bus; in other words, it
reestablishes a function bus. Reconfiguration is completed within 0.3s. An OSM/ESM
is switched over to the RM mode using a DIP switch on the device.
The redundant standby coupling allows the redundant coupling of OSM/ESM or OLM
rings. To do this, two OSM/ESMs (one operating in standby mode) are connected via
their standby sync ports.
In the ITP variants of the OSM/ESM, the DTEs are attached using the particularly
robust Industrial Twisted Pair (ITP) connector with its high immunity to noise. In the
TP variants, the DTEs are connected via RJ-45 female connectors.
The Version 2 OSMs are compatible with the previous OSM variants (6GK 11050AA00) and ORM (6GK1105-1AA00) and can, for example, be mixed with these in an
optical ring.
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
7
Introduction
This manual describes the functions of the OSM/ESM available without using network
management. The OSM/ESM Network Management user manual describes the
additional options available if you use network management.
8
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1.1
Overview of the Variants of the OSM/ESM
1.1.1
OSM ITP62
Possible Attachments
The OSM ITP62 allows attachment of up to 6 DTEs or network segments using the
ITP connector. By coupling an OSM via ports 7 and 8 it is possible to create optical
bus and ring structures. The OSM ITP62 can be coupled with other OSM ITP62, OSM
ITP53 and OSM TP62 modules via the optical ports.
Figure 1: OSM ITP62
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
9
Introduction
Properties of the OSM ITP62
Electrical ports
6x 10/100 Mbps auto-negotiation ports
with ITP connector (sub-D 9-pin female)
Optical ports
2 x 100 Mbps FO ports (full duplex)
BFOC female connector
10
Maximum distance between two OSMs
3000 m (multimode graded-index fiber)
Maximum ring span with 50 OSMs
150 km
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1.1.2
OSM ITP62-LD
Possible Attachments
The OSM ITP62-LD is suitable for spanning extremely long distances. With the
monomode fiber, distances of up to 26 km are possible between two OSM ITP62-LD
modules. By coupling an OSM ITP62-LD via ports 7 and 8 it is possible to create
optical bus and ring structures.
Figure 2: OSM ITP62-LD
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
11
Introduction
Properties of the OSM ITP62-LD
Electrical ports
6x 10/100 Mbps auto-negotiation ports
with TP connector (sub-D 9-pin female)
Optical ports
2 x 100 Mbps FO ports (full duplex)
BFOC female connector
Maximum distance between two
26 km (monomode fiber)
OSM ITP62-LD
Maximum ring span with 50 OSM
ITP62-LD
1300 km
OSM ITP62-LD modules can only be coupled to other OSM ITP62-LD modules by the
optical ports.
12
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1.1.3
OSM ITP53
Possible Attachments
The OSM ITP53 allows the attachment of 5 DTEs or network segments with the ITP
connector. By coupling an OSM via ports 7 and 8 it is possible to create optical bus
and ring structures. The OSM ITP53 can be coupled with other OSM ITP53, OSM
ITP62 and OSM TP62 modules via the optical ports.
The additional FO port of the OSM ITP53 (port 1) also allows redundant coupling of
rings via fiber-optic cables (see Section 3.3 ).
Figure 3: OSM ITP53
Properties of the OSM ITP53
Electrical ports
5 x 10/100 Mbps auto-negotiation ports
with ITP connector (sub-D 9-pin female)
Optical ports
3 x 100 Mbps FO ports (full duplex) BFOC
female connector
Maximum distance between two OSMs
3000 m (multimode graded-index fiber)
Maximum ring span with 50 OSMs
150 km
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
13
Introduction
1.1.4
ESM ITP80
Possible Attachments
Up to 8 DTEs or network segments with ITP connector can be attached to an ESM
ITP80. By coupling an ESM via ports 7 and 8 it is possible to create bus and ring
structures.
Figure 4: ESM ITP80
Properties of the ESM ITP80
Electrical ports
8x 10/100 Mbps auto-negotiation ports
with ITP connector (sub-D 9-pin female)
14
Optical ports
none
Maximum distance between two ESMs
100 m
Maximum ring span with 50 ESMs
5 km
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1.1.5
OSM TP62
Possible Attachments
The OSM TP62 allows attachment of up to 6 DTEs or network segments using the TP
connector. The OSM TP62 is particularly suited for use in areas with low noise levels
(for example switching cubicles). By coupling an OSM via ports 7 and 8 it is possible
to create optical bus and ring structures. The OSM TP62 can be coupled with other
OSM TP62, OSM ITP53 and OSM ITP62 modules via the optical ports.
Figure 5: OSM TP62
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
15
Introduction
Properties of the OSM TP62
Electrical ports
6x 10/100 Mbps auto-negotiation ports
with TP connector (RJ-45 female)
Optical ports
2 x 100 Mbps FO ports (full duplex)
BFOC female connector
16
Maximum distance between two OSMs
3000 m (multimode graded-index fiber)
Maximum ring span with 50 OSMs
150 km
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Introduction
1.1.6
ESM TP80
Possible Attachments
The ESM TP80 allows attachment of up to 8 DTEs or network segments using the TP
connector (RJ-45 female). The ESM TP80 is particularly suited for use in areas with
low noise levels (for example switching cubicles). By coupling an ESM TP80 via ports
7 and 8 it is possible to create bus and ring structures.
Figure 6: ESM TP80
Industrial Ethernet OSM/ESM
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17
Introduction
Properties of the ESM TP80
Electrical ports
8x 10/100 Mbps auto-negotiation ports
with TP connector (RJ-45 female)
18
Optical ports
none
Maximum distance between two ESM
ITP80 modules
100 m
Maximum ring span with 50 ESM
ITP80 modules
5 km
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Functions
2
This chapter discusses the general functions of the OSM/ESM, in particular the
properties of the switching technology.
Increased Network Performance
By filtering the data traffic based on the Ethernet (MAC) address of the DTEs, local
data traffic remains local, only data intended for nodes in another network segment
are passed on by the OSM or ESM. This reduces the data traffic in the network
segments and lowers the network load in the network segments.
Simple Network Configuration and Network Expansion
OSMs and ESMs store the data received at the ports and the direct it to the
destination address. The restriction of the network span resulting from collision
detection (CSMA/CD) ends at the OSM/ESM port. With multimode graded-index
fibers, a total network span of up to 150 km and more can be achieved without
problems. With the OSM ITP62-LD, the monomode fibers allow a network span of up
to 1300 km.
Limitation of Errors to the Network Segment Affected
OSMs and ESMs only pass on valid data. Invalid packets are discarded so that bad
packets within a network segment have no effect on any other segment attached to
the OSM/ESM.
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Functions
Learning Addresses
By evaluating the source addresses in the data packets, OSMs/ESMs automatically
learn the addresses of the DTEs attached via a particular port. If an OSM/ESM
receives a data packet, it directs this packet only to the port via which the appropriate
DTE can be obtained.
An OSM/ESM can learn up to 12000 addresses.
Deleting Addresses
An OSM/ESM monitors the age of the addresses it has learnt - address entries that
exceed a certain age (aging time on the OSM/ESM 40 seconds) are deleted again by
the OSM/ESM. If a packet with a source address matching the address entry is
received before the aging time elapses, the address entry is retained and the age of
the address is set to 0 again. When the OSM/ESM is restarted, the address entries are
also deleted. If a packet is received by a OSM/ESM for which there is no address
entry, the OSM/ESM distributes it to all ports.
Setting the Transmission Rate, Auto-negotiation
The electrical ports of the OSM/ESM are set to the auto-negotiation (autosensing)
mode.
They automatically detect the transmission rate (10 or 100 Mbps) at which the
attached device or attached network segment operates and set themselves to this
rate. If the partner device also supports the auto-negotiation mode, the devices further
negotiate whether they will exchange data with each other in the half duplex or full
duplex mode.
As a result of the automatic adaptation to the transmission rate of the attached DTEs,
existing network segments operating at 10 or 100 Mbps can be interconnected simply
using OSMs/ESMs.
Note
If the partner device connected to a port of an OSM/ESM does not support the
auto-negotiation mode (for example OSM Version 1), the port of the partner
device must be set to half duplex mode.
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Functions
Packets with the VLAN Priority Tag
Please note the following:
1. The OSM/ESM does not support packets with VLAN tags according to IEEE
802.1Q. Configure your network so that no packets with VLAN tags are
transmitted via the OSM/ESM.
2. Your network should be designed so that no packets with a priority tag and a
priority higher than 3 (IEEE 802.1p) are transmitted via the OSM/ESM since these
packets can influence redundancy functions (for example, longer switchover times
if a fault develops).
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21
Functions
22
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Network Topologies with OSM/ESM
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23
Network Topologies with OSM/ESM
3.1
Bus Structure
With OSMs or ESMs, bus structures can be implemented . The cascading depth and
total span of a network are limited only by the monitoring times of the communication
connections. These times must always be set higher than the signal delay of the
transmission path.
PC
S7-400
OSM
ITP 62
1
3
4
OSM
ITP 62
S7-300
OSM TP 62
S7-400
OSM ITP 62
Fiber-optic cable (FO)
TP cord 9/RJ45
ITP standard cable 9/15
Figure 7: Bus with OSM
Apart from OSM ITP62-LD modules, all listed OSM variants can be used in any
combination in a bus consisting of OSMs. OSM ITP62-LD modules can only be
coupled with other OSM ITP62-LD modules via the optical ports (monomode fiber).
24
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Network Topologies with OSM/ESM
PC
3
S7-400
S7-300
4
4
ESM
ESM
2
ESM
ITP 80
2
S7-400
4
ESM
ITP 80
2
ESM
2
2 ITP XP standard cable 9/9
3 TP cord 9/RJ45
4 ITP standard cable 9/15
Figure 8: Bus with ESMs
In a bus consisting of ESMs, both ESM ITP80 modules and ESM TP80 modules can
be used. (Connecting cable to couple the two variants available on request).
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Network Topologies with OSM/ESM
3.2
Redundant Ring Structure
With the aid of an OSM functioning as the redundancy manager (RM), both ends of
an optical bus made up of OSMs can be closed to form a redundant optical ring. The
OSMs are connected together using ports 7 and 8.
The RM monitors the OSM bus connected to it, closes the bus if it detects and
interruption and therefore reestablishes a functioning bus configuration. A maximum
of 50 OSMs are permitted in an optical ring. This allows reconfiguration time of less
than 0.3 s to be achieved. The RM mode is activated on the OSM using a DIP switch
(Section 4.2.4.1).
OSM ITP 62
OSM ITP 62
1
OSM ITP 62
OSM TP 62
1
OSM TP 62
1
1
1
OSM in
RM mode
OSM ITP 62
OSM ITP 62
OSM ITP 53
OSM ITP 62
1
1
1
1
1
1 Fiber-optic cable (FO)
Figure 9: Redundant Ring Structure with OSMs
A redundant electrical ring can be established using ESMs in the same way. To
achieve this the ESMs are connected together using ports 7 and 8. One device must
be switched to the redundancy manager mode. With ESMs and a maximum of 50
devices in the ring, a reconfiguration time of less than 0.3 s can also be achieved.
26
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Network Topologies with OSM/ESM
ESM ITP 80
ESM ITP 80
2
ESM ITP 80
ESM ITP 80
ESM ITP 80
2
2
2
ESM ITP 80
ESM ITP 80
ESM ITP 80
ESM ITP 80
ESM in
RM mode
2
2
2
2
2 ITP XP standard cable 9/9
Figure 10: Redundant Ring Structure with ESMs
Notes
•
The reconfiguration time of less than 0.3 s can only be achieved when no
components other than OSMs and ESMs (for example switches) are used in the
redundant ring.
•
In a ring, one device and one device only must operate in the redundancy
manager mode.
•
DTEs or complete network segments can be attached to ports 1 - 6 of an
OSM/ESM operating in the RM mode.
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Network Topologies with OSM/ESM
3.3
Redundant Coupling of Network Segments
The standby sync port allows the connection of two Industrial Ethernet OSMs or ESMs
with one operating as standby master (DIP switch "Stby off") and the other as standby
slave (DIP switch "Stby on"). With this mode, pairs of OSMs/ESMs can be used for
redundant coupling of OSM/ESM or OLM rings.
With network management, the OSM/ESM can also be configured so that several
rings or networks can be interconnected at the same time with two OSMs/ESMs (see
OSM/ESM Network Management, User Manual).
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2
SM ITP 80
OSM in
RM-mode
1
OSM ITP 62
OSM in
RM-mode
2
Port 1
Standbyslave
1
Port 1
2
2
ESM ITP 80
2
OSM ITP 62
1
OSM ITP 62
ESM ITP 80
2
Ring 2 (ESM ring)
ESM ITP 80
2
ESM ITP 80
2
2
OSM ITP 62
Standbymaster
1
OSM ITP 62
1
OSM ITP 62
1
1
OSM ITP 62
Ring 1 (OSM ring)
1
OSM ITP 62
1 Fibre-optic (FO)
2 ITP XP standard cable
1
OSM ITP 62
OLM
2
OLM
1
ort 1
1
1
OLM
OLM
1
2
1
1
1
1
OLM
OLM
2
1
OSM ITP 62
1
1
Port 1
OSM ITP 62
Standbyslave
OLM
OSM ITP 62
SM ITP 62
Ring 3 (OLM ring)
OLM
1
OSM ITP 62
Standbymaster
1
OSM ITP 62
1
Network Topologies with OSM/ESM
Figure 11: Redundant Coupling of Network Segments
29
Network Topologies with OSM/ESM
The connection between two network segments is on two separate paths. Two of the
OSMs/ESMs in a ring are connected together via a connecting cable (ITP-XP standard
cable 9/9 with a maximum length of 40 m) and inform each other of their operating
states. One of these OSMs/ESMs is assigned the redundant function using the DIP
switch setting "Stby on" (standby slave). The other OSM takes over the function of the
standby master (DIP switch setting "Stby off").
Immediately following the failure of the main transmission path, the standby slave
enables the redundant path. If the main path is OK again, the standby master informs
the standby slave. The main path is enabled and the redundant path disabled again.
The reconfiguration time of the redundant ring coupling is less than 0.3 s.
Port Assignment in the Standby Mode
On the standby master and standby slave only port 1 (standby port) can be used for
the coupling to the neighboring ring. Ports 2 - 6 can be used just as normal OSM
ports.
With network management, it is also possible to configure ports other than port 1 as
standby ports (See also OSM/ESM Network Management User Manual)
Simultaneous Standby and Redundancy Manager Operation
A standby master or standby slave can adopt the function of a redundancy manager at
the same time.
Replacing the Standby Master During Operation
When replacing a standby master during operation, the following order is necessary to
prevent an interruption on the network:
1. Remove the terminal block for the power supply on the standby master
2. Remove the signal lines and the standby connecting cable from the standby
master.
3. Connect the signal lines to the standby connecting cable on the replacement
device.
4. Plug in the terminal block for the power supply on the replacement device.
When replacing a standby slave, no special measures are necessary.
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Redundant Coupling of Rings over Fiber Optic Cable with the OSM ITP53
The OSM ITP53 allows a redundant coupling of rings with FO transmission paths. This
allows rings far apart from each to be connected.
OSM ITP 62
OSM ITP 62
OSM TP 62
OSM ITP 62
Standby
master
Standby
slave
2
OSM in
RM mode
OSM ITP 62
OSM ITP 53
OSM ITP 62
OSM TP 62
OSM ITP 62
OSM TP 62
OSM ITP 62
OSM in
RM mode
1 Fiber-optic cable (FO)
2 ITP XP standard cable 9/9
Figure 12: Redundant Coupling of Rings with OSM ITP 53
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Network Topologies with OSM/ESM
3.4
Compatibility of OSM Version 2/ESM with OSM/ORM Version
1
Compatibility
Version 2 OSMs can be operated at the same time in the ring with the OSM (6GK
1105-0AA00) and ORM (6GK 1105-1AA00) here called OSM/ORM Version 1. Make
sure that only one device can adopt the redundancy manager function in the ring; in
other words, only one ORM or only one OSM Version 2 operating in the RM mode.
OSM ITP 62
OSM
ORM
OSM ITP 62
OSM
1 Fiber-optic cable (FO)
Figure 13: Ring with ORM as Redundancy Manager
32
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Network Topologies with OSM/ESM
OSM ITP 53
OSM
OSM ITP 62
OSM in
RM mode
OSM TP 62
1 Fiber-optic cable (FO)
Figure 14: Ring with OSM Version 2 as Redundancy Manager
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Network Topologies with OSM/ESM
Redundant Coupling of Rings
In a redundant coupling of rings, make sure that the standby master and standby slave
are either both of the type OSM Version 1 or both of the type OSM Version 2.
Ring with OSM
version 1
Port 1
Port 1
1
OSM
Standby
master
OSM
Standby
slave
2
Port 1
OSM
1
1
Port 1
OSM
Port 2
Port 2
2
2
OSM
ITP 62
OSM
ITP 62
1
OSM
ITP 62
1
Ring with OSM
version 2
1
2
OSM in
RM mode
OSM
1
Fiber-optic cable (FO)
ITP XP standard cable 9/9
Figure 15: Redundant Ring Coupling with OSM V1 as Standby Master/Standby Slave
34
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Network Topologies with OSM/ESM
Ring with
OSM version 1
Port 1
Port 1
OSM
2
Standby
master
OSM
2
Standby
slave
OSM
ITP 62
Port 1
OSM
ITP 62
OSM
OSM in
RM mode
Port 1
OSM
ITP 62
Ring with OSM
version 2
1
2
Fiber-optic cable (FO)
ITP XP standard cable 9/9
Figure 16: Redundant Ring Coupling with OSM V2 as Standby Master/Standby Slave
Figure 16 also shows how an existing ring with Version 1 OSMs can be connected to a
ring with Version 2 OSMs.
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Network Topologies with OSM/ESM
3.5
Coupling Network Segments
A network segment can be connected to each of the ports of an OSM/ESM.
The Ethernet Planning Rules:
” Sum of the delay equivalents and cable lengths in the worst-case path shorter than
4520 m.
” Sum of the variability values in the worst-case path less than 50 bit times
need only be maintained as previously in each individual segment (see also "SIMATIC
NET Industrial Twisted Pair and Fiber Optic Networks" manual).
The coupling of network segments via OSM has further advantages:
” The collision domain ends at the OSM ports and the network segments attached to
them, the permitted total network span increases.
” Only valid data packets are passed on via OSM ports. Network segments with
problems cannot influence other network segments.
” Data packets are only passed on to the ports to which the DTE with the destination
address is connected. The available transmission capacity increases since the local
data traffic of a network segment no longer puts load on another network segment.
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Network Topologies with OSM/ESM
OLM
OLM
OLM
OLM
ELM
OLM
2
2
OLM
OLM
OSM
ITP 62
OLM
OSM
ITP 62
OSM
ITP 62
OSM
ITP 62
OSM
ITP 62
OSM in
RM mode
1
2
OSM
ITP 62
OSM
ITP 62
Fiber-optic cable (FO)
ITP XP standard cable 9/9
Figure 17: Coupling Network Segments
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Network Topologies with OSM/ESM
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Interfaces, Displays and Operator Controls
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4
39
Interfaces, Displays and Operator Controls
4.1
ITP/TP Ports
This chapter describes the properties of ITP and the TP ports.
4.1.1
ITP Ports
In the ITP variant of the OSM/ESM, the DTEs are attached via sub-D female
connectors. The casings of the connectors are electrically connected to the casing of
the OSM. A screw locking mechanism holds the connectors firmly in place.
RD + Pin 1
n.c. Pin 2
n.c. Pin 3
n.c. Pin 4
TD + Pin 5
Pin 6 RD Pin 7 n.c.
Pin 8 n.c.
Pin 9 TD -
Figure 18: Pinout
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Interfaces, Displays and Operator Controls
4.1.2
TP Ports
With the OSM TP62 and ESM TP80, the DTEs are attached via RJ-45 female
connectors.
Pin 1 RX +
Pin 2 RX -
Pin 3 TX +
Pin 4 n.c.
Pin 5 n.c.
Pin 6 TX -
Pin 7 n.c.
Pin 8 n.c.
Figure 19: Pinout
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Interfaces, Displays and Operator Controls
4.1.3
Properties of the TP/ITP Ports
Link Control
OSMs/ESMs monitor the connected TP/ITP cable segments for short-circuits or wire
breaks using regular link test pulses complying with the 100BASE-TX standard.
OSMs/ESMs do not send data to a segment from which they are not receiving link test
pulses. An unused interface is taken to be a wire break since the device without power
cannot send link test pulses.
Auto Polarity Exchange
If the receive cable pair is incorrectly connected (RD+ and RD- swapped over), the
polarity is automatically reversed.
Auto-negotiation Mode
The TP/ITP ports of OSM/ESM are set to the auto-negotiation mode.
They automatically detect the transmission rate (10 or 100 Mbps) at which the
attached device or attached network segment operates and set themselves to this
rate. If the partner device also supports the auto-negotiation mode, the devices further
negotiate whether they will exchange data with each other in the half duplex or full
duplex mode.
Note
If the partner device connected to a port of an OSM/ESM does not support the autonegotiation mode (for example OSM Version 1), the port of the partner device must
be set to half duplex mode.
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4.1.4
FO Ports
The FO ports have BFOC/2.5(ST) female connectors. They monitor the connected
cable for wire breaks complying with the IEEE 802.3 100 Base-FX standard. A break
on the FO cable is always signaled by the port status display of both connected OSMs.
(Status LED of the port goes off).
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Interfaces, Displays and Operator Controls
4.1.5
Standby Sync Port
A 9-pin female connector is used to connect the ITP XP Standard Cable 9/9 for the
redundant standby coupling. The casing of the connector is electrically connected to
the casing of the OSM/ESM.
A screw locking mechanism holds the connectors firmly in place.
Stby_In + Pin 1
n.c. Pin 2
n.c. Pin 3
n.c. Pin 4
Stby_Out + Pin 5
Pin 6 Stby_In Pin 7 n.c.
Pin 8 n.c.
Pin 9 Stby_Out -
Figure 20: Pinout
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Interfaces, Displays and Operator Controls
4.1.6
Serial Interface
OSMs/ESMs have an RS-232 interface that is used for firmware updates.
DSR Pin 6
Pin 1
RTS Pin 7
Pin 2 RD
Pin 3 TD
Pin 4 DTR
CTS Pin 8
Pin 9
Pin 5 SG
Figure 21: Pinout
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Interfaces, Displays and Operator Controls
4.1.7
Signaling Contact/Terminal Block for Attaching the Power Supply
The attachment of the power supply and the signaling contact is made using a 6-pin
plug-in terminal block with a screw locking mechanism.
L1 +
+24V
F1
M
M
F2
L2 +
+24V
Figure 22: Terminal Block
Warning
Industrial Ethernet OSMs/ESMs are designed for operation with safety extralow voltage. This means that only safety extra-low voltages (SELV) complying
with IEC950/EN60950/ VDE0805 can be connected to the power supply
terminals and the signaling contact.
The power supply unit to supply the OSM/ESM must comply with NEC Class 2
(voltage range 18 - 32 V, current requirement 1 A)
The signaling contact can carry a load of maximum 100 mA (safety extra-low
voltage (SELV), DC 24V).
Power Supply
The power supply can be connected redundantly. Both inputs are isolated. There is no
load distribution. With redundant power supply, the power supply unit with the higher
output voltage supplies the OSM/ESM alone. The power supply voltage is electrically
isolated from the casing.
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Signaling Contact
The following is signaled via a floating signaling contact (relay contact) when contact
is broken:
” The failure of a monitored power supply. Which power supply is monitored is
specified in the fault mask (see Section 4.2.3).
” The incorrect link status of a monitored port (in other words, the port is not correctly
attached or there are no link test pulses coming from the partner device). The ports
to be monitored are selected using the fault mask.
” When at least one port is segmented.
In the RM Mode (additional)
” The incorrect link status of port 7 or port 8 depending on the status of the fault
mask.
” When a second OSM is switched to the RM mode in the same ring.
OSM/ESM in Normal Mode and ITP XP Standard Cable 9/9 Plugged into the Standby
Sync Port:
” Short-circuited ITP XP Standard Cable 9/9
” Bad standby configuration: The partner device connected via the ITP XP Standard
Cable 9/9 is not switched to standby.
” If there is an incorrect link status on a standby port.
OSM/ESM in the Standby Mode:
” ITP XP Standard Cable 9/9 not plugged in, short-circuited or broken
” Bad standby configuration: The partner device connected via the ITP XP Standard
Cable 9/9 is switched to standby.
” If there is an incorrect link status on a standby port.
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Interfaces, Displays and Operator Controls
4.2
Displays and Operator Controls
The OSM/ESM has the following LED displays:
4.2.1
LED "Status"
The status display indicates the operating mode of an OSM/ESM:
Fault (red LED):
Status
Meaning
Lit
The OSM/ESM has detected an error. The signaling contact
opens at the same time. The signaled errors are described in
Chapter 4.1.7.
Not lit
No errors detected by the OSM/ESM.
Stby – Standby (green LED):
Status
48
Meaning
Lit
The standby function is activated, the OSM/ESM is in the
standby passive mode.
Not lit
The standby function is deactivated.
Flashes
The standby function is activated, OSM/ESM is in the standby
active mode; in other words, the master OSM/ESM has failed
and the standby OSM/ESM takes over data traffic.
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RM – Redundancy Manager (green LED)
Status
Lit
Meaning
The OSM/ESM is operating in the redundancy manager mode.
The ring is operating free of errors in other words the redundancy
manager does not allow traffic through but monitors the ring.
Note: One OSM must operate in the redundancy manager mode
(and one only) in each OSM/ESM ring.
Not lit
The OSM/ESM is not in the redundancy manager mode.
Flashes
The OSM/ESM is in the redundancy manager mode and has
detected a break on the ring. The OSM/ESM makes the
connection between its two ring ports so that a functional bus
configuration is reestablished.
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Interfaces, Displays and Operator Controls
4.2.2
LED "Power"
The display mode of the "Power" LED can be switched over by briefly pressing the
"Select/Set" button on the front panel of the OSM/ESM. The valid display mode is
indicated by the two display mode LEDs on the OSM/ESM.
Depending on the status of the two display LEDs, the "Power" LED has the two
following display modes:
Display mode
Status of the power supplies
In the following states of the display mode
LEDs, the Power LEDs indicate the
current status of the two voltages of the
OSM/ESM:
Display Mode
LED off
- Not lit; in other words power supply 1 or 2
(line 1 or line 2) is less than 14 V.
LED on
LED off
With the line 1 or 2 LEDs, the fault mask
indicates whether the power supplies are
monitored with the signaling contact.
Fault Mask
Display
LED on
Power LED L1 or L2
- Lit green; in other words, power supply 1 or
2 (line 1 or line 2) is applied.
LED off
LED off
LED on
Meaning
LED on
L1 or L2 LED
- Lit green; in other words the corresponding
power supply (line 1 or line 2) is monitored.
If the power supply falls below 14 V, the
signaling contact responds.
- Not lit, in other words the corresponding
power supply (line 1 or line 2) in not
monitored. If the power supply falls below
14 V this does not trigger the signaling
contact.
The fault mask can be set again with the
button on the front panel of the OSM/ESM
(see 4.2.4.2)
The "Select/Set" button on the front panel of the OSM/ESM changes the display mode
of the display LEDs. Using this button, a new status can be programmed for the fault
mask (see 4.2.4.2)
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4.2.3
Port LEDs
The port LEDs indicate the operating states of the individual ports of the OSM/ESM.
The display mode of the port LEDs can be changed using the button on the front panel
of the OSM/ESM allowing all operating states to be displayed. The current display
mode is signaled by the two display mode LEDs.
Display mode
Port Status
Display
LED off
LED off
100 Mbps
Display
LED off
Port LED
- Lit green: Port operating in full duplex mode
- Not lit: Port operating in half duplex mode
Display
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Port LED
- Not lit: No valid connection to the port (for
example station turned off or cable not
connected)
- Lit green: Valid connection
- Flashes green (once per period): Port
switched to standby
- Flashes green (twice per period): Port is
segmented
- Flashes green (three times per period): Port
is turned off
- Flashes/lit yellow: Data reception on this
port
Port LED
- Lit green: Port operating at 100 Mbps
- Not lit: Port operating at 10 Mbps
LED on
Full duplex
LED on
Meaning
LED off
51
Interfaces, Displays and Operator Controls
Display mode
Fault mask
The fault mask indicates whether the ports
and the power supplies are monitored with the
signaling contact.
Display
LED on
Meaning
LED on
Port LED
- Lit green: Port is monitored; in other words,
if the port does not have a valid connection
(for example cable not plugged in or
attached device turned off), the signaling
contact is triggered.
- Not lit: The port is not monitored; in other
words, an invalid or valid connection at the
port does not trigger the signaling contact.
The fault mask can be set again with the
button on the front panel of the OSM (see
4.2.4.2)
The basic status "Port Status" of the display is adopted automatically after turning on
the device. The device also switches automatically to this display status when the
"Select/Set" button is pressed for more than a minute.
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Interfaces, Displays and Operator Controls
4.2.4
Operator Controls
4.2.4.1
Two-Pin DIP Switch
With the two-pin DIP switches on the upper casing of the OSM/ESM you can do the
following:
” With the Stby button, you can toggle the standby function on and off.
” With the RM switch, you can activate the redundancy manager function.
5VD[
4/
QHH
QP
Figure 23: DIP Switches
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Interfaces, Displays and Operator Controls
4.2.4.2
"Select/Set" Button
The "Select/Set" button on the front panel of the OSM/ESM has the following
functions:
” Pressing the button briefly moves on the display of the port LEDs (display mode).
The current display mode is indicated by the display mode LEDs.
” If the display is in the port status (both display mode LEDs off) and if the button is
pressed for three seconds, the display mode LEDs begin to flash. If you then
continue to press the button for a further two seconds, the OSM/ESM is reset.
When it is reset, all the settings of the OSM/ESM are set to their defaults (as set in the
factory). This allows you to cancel settings made, for example, with Web-Based
Management (WBM) (see also OSM/ESM Network Management, User Manual).
” If the display is in the fault mask status and you press the button for two seconds,
the display LEDs start to flash. If you then press the button for a further two
seconds, the current status of the ports and the supply voltages are entered in the
fault mask. This means, if, for example, the ports 1, 5, 6 had a valid connection (in
other words the port status displays of these ports are lit green or yellow) and if
power supply 1 was active at the point when the values were entered in the fault
mask, ports 1, 5, 6 and power supply 1 will then be monitored.
Note
If the "Select/Set" button is pressed while the device is starting up (takes
approximately 20 seconds) after turning on the OSM/ESM, the OSM/ESM changes to
the load firmware status (both display mode LEDs flash simultaneously). This status
is exited by pressing the button again. For further information on loading the
firmware, refer to Chapter 6.
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Installation, Commissioning, Cleaning and
Maintenance
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5
55
Installation, Commissioning, Cleaning and Maintenance
5.1
Unpacking, Checking the Consignment
1. Check that the consignment includes the following components:
– OSM/ESM device
– Mounting angles, screws and terminal block
– CD (includes the manuals) and product information bulletin
2. Check each component for any damage.
56
Warning
Do not install damaged components!
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Installation, Commissioning, Cleaning and Maintenance
5.2
Installation
OSMs/ESMs can be installed in several ways:
” Installation on a 35 mm standard rail
” Installation on a SIMATIC S7-300 rail
” Installation in pairs in a 19" cubicle
” Wall mounted
Note
Remember that the OSM/ESM must only be installed horizontally (ventilation slits
top/bottom see Figure 25). To ensure adequate convection, there must be a
clearance of at least 5 cm above and below the ventilation slits. You should also
make sure that the permitted ambient temperature is not exceeded.
Preparations
1. Before installing, check whether the switch setting of the DIP switches is correct for
your application (see Section 4.2.4.1)
2. Remove the terminal block from the OSM and wire up the powers supply and
signal lines as described in Section 4.1.7.
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Installation, Commissioning, Cleaning and Maintenance
Standard Rail Mounting
1. Install the OSM/ESM on a 35 mm standard rail complying with DIN EN 50022.
2. Fit the OSM/ESM on to the rail from above and press in the bottom of the device
until the catch engages.
3. Fit the electrical and optical connecting cables, the terminal block for the power
supply and, if necessary, the standard cable 9/9 to the standby sync port.
Figure 24: Installing the OSM on a DIN Standard Rail
58
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Installation, Commissioning, Cleaning and Maintenance
Removing from a Standard Rail
1. To remove the OSM/ESM from the standard rail, pull the device down and then
pull the bottom away from the standard rail.
Figure 25. Removing from the Standard Rail
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59
Installation, Commissioning, Cleaning and Maintenance
Installation on a SIMATIC S7-300 Rail
1. First secure the two supplied angles on both sides of the OSM/ESM.
2. Fit the guide on the top of the OSM casing into the S7 rail.
3. Secure the OSM/ESM with the supplied screws to the lower part of the rail.
Figure 26: Installation on the S7-300 Rail
60
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Installation, Commissioning, Cleaning and Maintenance
Installation in Pairs in the 19" Cubicle
To install in pairs in the 19" cubicle, you require the two securing angles supplied.
1. First screw the two OSMs/ESMs together using the supplied holding plate on the
rear.
2. Fit two of the supplied angles to the sides
3. Secure the two devices using the angles in the 19" cubicle. Please note that the
OSM/ESM must be grounded with a low resistance via the two holding angles.
Interconnecting the devices at the rear
Figure 27: Installation in the 19" Cubicle
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61
Installation, Commissioning, Cleaning and Maintenance
Wall Mounting
To install an OSM/ESM on a wall, follow the steps below:
1. Fit the supplied mounting angles on the sides.
2. Secure the device to the wall using the angles.
3. Connect the device to protective earth with a low-resistance connection via one of
the angles.
Figure 28: Wall Mounting
62
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Installation, Commissioning, Cleaning and Maintenance
The following table shows how to mount the device on different types of walls:
Wall
Mounting
Concrete wall
Use four wall plugs 6 mm in diameter and 30 mm
long. (drill hole 6 mm in diameter, 45 mm deep). Use
screws 4.5 mm in diameter and 40 mm long.
Metal wall
Use screws 4 mm in diameter and at least 15 mm
long.
(min. 2 mm thick)
Sandwich type plaster wall
(min. 15 mm thick)
Use an anchoring plug with at least
4 mm diameter.
Note
The module must be secured to the wall so that the mounting can carry at least four
times the weight of the module.
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Installation, Commissioning, Cleaning and Maintenance
5.3
Cleaning
If you need to clean the OSM/ESM, use a dry cloth only.
64
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Installation, Commissioning, Cleaning and Maintenance
5.4
Maintenance
If a fault develops, please send the module to your SIEMENS service department for
repair. The devices are not designed for repair on site.
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Installation, Commissioning, Cleaning and Maintenance
66
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Firmware Update
6
With the OSM/ESM it is possible to update the firmware via the serial port.
Information on firmware updates for OSM/ESM is available on the Internet at
http://www.ad.siemens.de/csi/net.
To download the firmware you require a PC with Windows 95/98/NT and the
Hyperterminal program available under Accessories. The download is explained below
based on the dialogs displayed in Hyperterminal.
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Firmware Update
Preparations
Connect the serial port of your PC and the OSM/ESM with a normal null modem cable
. Depending on the port of the PC that you are using, you require a cable with a 9-pin
or 25-pin sub-D female connector for the PC end, and a 9-pin female connector for the
OSM/ESM end.
The following table shows the pinout and the connections for both types of cable:
PC port
68
25-pin
9-pin
connected
to
OSM port 9-pin
Female
Female
Female
Signal Name
Pin
Pin
Pin
Signal name
TD
(Transmit Data)
2
3
2
RD
RD
(Receive Data)
3
2
3
TD
RTS (Request To
Send)
4
7
8
CTS
CTS (Clear To Send)
5
8
7
RTS
SG
(Signal Ground)
7
5
5
SG
DSR (Data Set Ready)
6
6
4
DTR
DTR (Data Terminal
Ready)
20
4
6
DSR
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Firmware Update
Follow the steps outlined below in Hyperterminal:
1. Set up a new connection (for example with File -> New).
2. Set the following properties for the connection as shown in the dialog below:
3. Reset the OSM/ESM. Press the Select/Set button during operation, if necessary
several times until the display LEDs indicate the port status (both display LEDs
off). Then press the Select/Set button for at least 6 seconds. The display LEDs
begin to flash after approximately 3 seconds, 2 seconds later the OSM/ESM is
reset. (All LEDs go on briefly and then off again).
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69
Firmware Update
The following message then appears in the Hyperterminal window:
4. Press the "Select/Set" button again briefly
5. Then confirm the prompt: "Do you really want to update your firmware? Y/N" with
Y.
70
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Firmware Update
The following message is then displayed.
6. Now select the function Transfer > Send File function in the Hyperterminal
window.
7. In the next dialog window, enter the file to be downloaded and select "Xmodem"
as the protocol. Start the transfer of the firmware with the "Send" button.
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71
Firmware Update
The following dialog then appears displaying the progress of the download.
Downloading can take up to 10 minutes. After you have downloaded the firmware
successfully, the device is automatically started with the new firmware. Please note
the version of the new firmware on a label on the side labeling panel of the
OSM/ESM.
Note
During the download, do not interrupt the connection between the PC and OSM/ESM
or turn off the power supply to the OSM/ESM. If the firmware could not be
downloaded completely to the OSM due to a power failure, the message "Firmware in
flash is faulty" appears after the device starts up. This means that the firmware must
be downloaded again.
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Technical Specifications
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7
73
Technical Specifications
Ports
Attachment of DTEs or network
segments twisted pair/Industrial
Twisted Pair
6 x 9-pin sub-D female connector with
OSM ITP62, OSM ITP62-LD
5 x 9-pin sub-D female connector with
OSM ITP53
8 x 9-pin sub-D female connector with
ESM ITP80
6 x RJ-45 female connector with OSM
TP62
8 x RJ-45 female connector with ESM
TP80
All electrical ports support 10/100 Mbps
auto-negotiation
Standby sync port for redundant
coupling of rings
1 x 9-pin sub-D female connector
Attachment of further OSMs and DTEs
via FO
2 x 2 BFOC female connectors with OSM
ITP 62, OSM ITP62-LD, OSM TP62
3 x 2 BFOC female connectors with OSM
ITP 53
(100 Mbps, 100BaseFX, full duplex)
74
Connector for power supply and
signaling contact
1 x 6-pin plug in terminal block
Power supply
2 DC 24V infeeds (DC 18 to 32 V)
(redundant inputs isolated)
Safety extra-low voltage (SELV)
Power loss at 24 V DC
20 W
Load on the signaling contact
DC 24 V / max. 100 mA safety extra-low
voltage (SELV)
Current consumption at rated voltage
1000 mA
Overcurrent protection at input
Non-replaceable fuse (1.6 A / 250 V /
slow)
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Technical Specifications
Permitted Cable Lengths
FO cable length between two OSMs
For OSM ITP62, OSM ITP53, OSM TP62:
0-3000 m (62.5/125 µm glass fiber; 1
dB/km at 1300 nm; 600 MHz*km; 6 dB
max. permitted optical power loss with 3
dB link power margin)
0-300 m (50/125 µm glass fiber; 1 dB/km
at 1300 nm; 600 MHz*km; 6 dB max.
permitted optical power loss with 3 dB link
power margin)
For OSM ITP62-LD
0-26000 m (10/125 µm monomode fiber;
0.5 dB/km at 1300 nm; 13 dB max. permitted optical power loss with 2 dB link
power margin)
ITP cable length
0-100 m
TP cable length
0-10 m with TP cord
Up to 100 m total length when using
structured cabling
Length of the ITP XP Standard Cable
9/9 at standby sync port
0-40 m
Cascading Depth
Bus/star structure
Any (only depending on signal
propagation time)
Redundant ring
50 (for reconfiguration time < 0.3 s)
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75
Technical Specifications
Switching Properties of OSM/ESM
Number of learnable addresses
Up to 12000
Aging time
40s (Default)
Latency
4 µs (measured at 75% load between two
ports operating at 100 Mbps)
Switching procedure
Store and forward
Permitted Ambient Conditions/EMC
Operating temperature
0°C to +60°C (exception: OSM ITP 62-LD
with 0°C to 55°C)
Storage/transport temperature
-40°C to +80°C
Relative humidity in operation
‹ 95% (no condensation)
Operating altitude
Max. 2000 m
Noise emission
EN 55081 Class A
Noise immunity
EN 50082-2
Laserprotection
Class 1 comply with IEC 60825-1
Mechanical Design
Dimensions (W x H x D) in mm
217 x 136.5 x 69
Weight in g
1400
Installation options
Standard rail
S7-300 rail
Wall mounted
Installation in 19" cubicle
Only horizontal installation permitted
(ventilation slits top/bottom)
Degree of protection
76
IP 20
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Technical Specifications
Consignment / Order Numbers
Consignment
-
-
SIMATIC NET Industrial
Ethernet OSM/ESM including
terminal block for power supply
Fittings for 19" cubicle
installation/wall mounting
6-pin plug in terminal block
Operating Instructions
Reply form
Order numbers:
Industrial Ethernet OSM
6GK1105-2AA00
ITP 62 Industrial Ethernet OSM ITP 62-LD 6GK1105-2AC00
Industrial Ethernet OSM ITP 53
6GK1105-2AD00
Industrial Ethernet ESM ITP 80
6GK1105-3AA00
Industrial Ethernet OSM TP 62
6GK1105-2AB00
Industrial Ethernet ESM TP 80
6GK1105-3AB00
Accessories
Industrial Twisted Pair and Fiber Optic
Networks Manual
6GK1970-1BA10-0AA0
Triaxial networks for Industrial Ethernet 6GK1970-1AA20-0AA0
manual
Industrial Ethernet OSM/ESM
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77
Technical Specifications
78
Industrial Ethernet OSM/ESM
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Further Support
Industrial Ethernet OSM/ESM
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8
79
Further Support
Further Support
If you have other questions on SIMATIC NET products, please contact your local
Siemens office or representative. You will find the addresses in the SIMATIC NET
Catalog IKPI or on the Internet at http://www.ad.siemens.de/net.
SIMATIC Customer Support Hotline
Available at all times worldwide:
Johnson City
Nuremberg
Singapore
5+/#6+% $CUKE *QVNKPG
Nuremberg
SIMATIC BASIC Hotline
SIMATIC Premium Hotline
(charged, only with SIMATIC card)
Local time: Mo to Fr 8:00 to 18:00 (CET)
Local time: Mo to Fr 0:00 to 24:00 (CET)
Phone: +49 (0)180-5050 222
Phone: +49 (911) -895-7777
Fax:
+49 (0)180 5050 223
Fax:
+49 (911) -895-7001
E-mail: mailto:techsupport@ad.siemens.de
Johnson City
SIMATIC BASIC Hotline
Singapore
SIMATIC BASIC Hotline
Local time: Mo to Fr 8:00 to 17:00
Phone: +1 423 461-2522
Fax:
+1 423 461-2231
E-mail: simatic.hotline@sea.siemens.com
Local time: Mo to Fr 8:30 to 17:30
Phone: +65 740-7000
Fax:
+65 740-7376
E-Mail:simatic.hotline@sae.siemens.com.sg
80
Industrial Ethernet OSM/ESM
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Further Support
SIMATIC Customer Support Online Services
In its online services, SIMATIC Customer Support provides you with wide-ranging
additional information about SIMATIC products:
These services are available on the Internet at:
http://www.ad.siemens.de/csi
SIMATIC Training Center
To help you to become familiar with working with SIMATIC S7 PLCs, we offer a range
of courses. Please contact your regional training center or the central training center in
D-90327 Nuremberg, Tel. +49-911-895-3154.
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Further Support
82
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9
Notes on the CE Mark
Product name:
SIMATIC NET
OSM ITP 62
6GK 1105-2AA00
OSM ITP 62-LD
6GK 1105-2AC00
OSM ITP 53
6GK 1105-2AD00
ESM ITP 80
6GK 1105-3AA00
OSM TP 62
6GK 1105-2AB00
ESM TP 80
6GK 1105-3AB00
The SIMATIC NET products listed above meet the requirements of the following EU
directives:
EMC Directive
Directive 89/336/EEC “Electromagnetic Compatibility"
Area of Application
The products are designed for use in an industrial environment:
Requirements
Area of Application
Industry
Industrial Ethernet OSM/ESM
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Emitted Noise
Noise immunity
EN 50081-2 : 1993
EN 50082-2 : 1995
83
Notes on the CE Mark
Adherence to Installation Instructions
The products meet the requirements if you adhere to the installation and safety
instructions contained in this documentation (Description and Operating Instructions
for Industrial Ethernet OSM/ESM (Version 2)) and in the following documentation
during installation and operation:
” SIMATIC NET Industrial Twisted Pair and Fiber Optic Networks Manual
” SIMATIC NET Triaxial Networks for Industrial Ethernet
Declaration of Conformity
The EU declaration of conformity is available for the responsible authorities according
to the above-mentioned EU directive at the following address:
Siemens Aktiengesellschaft
Bereich Automatisierungs- und Antriebstechnik
Industrielle Kommunikation (A&D PT2)
Postfach 4848
D-90327 Nürnberg
Notes for the Manufacturers of Machines
This product is not a machine in the sense of the EU directive on machines. There is
therefore no declaration of conformity for the EU directive on machines 89/392/EEC.
If the product is part of the equipment of a machine, it must be included in the
procedure for obtaining the declaration of conformity by the manufacture of the
machine.
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10
Glossary
Auto Polarity
Exchange
Procedure in which the module automatically detects incorrect attachment
of a cable to the electrical OSM/ESM port (RD+ and RD- swapped over).
The OSM then reverses the polarity automatically.
Auto-Negotiation
Procedure standardized by IEEE 802.3 in which the transmission
parameters (for example 10/100 Mbps, full/half duplex) are negotiated
automatically between the devices.
Autosensing
See Auto-Negotiation
Backbone
In conjunction with the OSM/ESM, this means a bus or ring structure
made up of interconnected OSM or ESM modules that form the backbone
of an industrial LAN.
Display Mode
The two display mode LEDs indicate the display mode of the Port and
Power LEDs of the OSM/ESM. The display mode can be changed with the
button on the front panel of the OSM.
ESM
Electrical Switching Module. SIMATIC NET Ethernet switch with electrical
ports
Fault Mask
See fault mask
Fault Mask
The fault mask specifies which ports (ports 1 - 8) and power supply
terminals (line 1/2) are monitored by the signaling contact. The fault mask
can be set again with the button on the front panel of the OSM/ESM.
Filtering
OSMs/ESMs learn the addresses of the devices that can be accessed via
a port. They redirect the packets intended for this device only via this port.
Industrial Ethernet OSM/ESM
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85
Glossary
ITP Port
Port with Industrial Twisted Pair (ITP) connector (sub D 9-pin female)
Latency
The latency specifies the taken for packets to pass through the
OSM/ESM. It is assumed that a received packet can be sent on
immediately. The latency does not include the time necessary for the
OSM/ESM to receive a packet.
Link Control
OSMs/ESMs monitor the connected TP/ITP cable segments for shortcircuits or wire breaks using regular link test pulses complying with the
100BASE-TX standard. OSMs/ESMs do not send data to a segment from
which they are not receiving link test pulses. An unused interface is taken
to be a wire break since the device without power cannot send link test
pulses.
OSM
Optical Switching Module. SIMATIC NET Ethernet switch with optical and
electrical ports
Reconfiguration Time Time required by the OSM/ESM operating in the redundancy manager
(RM) or standby mode to reestablish a functioning configuration if a
device fails or the cable is interrupted.
Redundancy Manager Mode of an OSM or ESM for forming a redundant ring structure. The RM
(RM)
monitors the OSM or ESM bus connected to it, closes the bus if it detects
and interruption. This reestablishes a functioning bus configuration.
One and only one device can operate in the RM mode in every OSM or
ESM ring.
Signaling Contact
Floating relay contact via which the error states detected by the
OSM/ESM can be signaled.
Standby Sync Port
Port of an OSM/ESM via which the two OSMs or ESMs are connected in
a redundant coupling to inform each other of their operating states.
Store and forward
In this switching method used on the OSM/ESM, the complete packet is
read in before it is passed on by the switch. A packet is only passed on if it
is error-free.
86
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Glossary
TP Port
Industrial Ethernet OSM/ESM
C79000-Z8976-C068-04
Port with a TP connector (RJ-45 female)
87
Glossary
88
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Index
A
Accessories............................................ 71
Ambient conditions, permitted ................ 70
Auto polarity exchange........................... 36
Auto-negotiation..................................... 16
Autosensing ........................................... 16
B
Bus structure.......................................... 18
Button .................................................... 48
C
Cable lengths, permitted ........................ 69
Cascading depth .................................... 69
Consignment.......................................... 71
D
Deleting addresses................................. 16
Design, mechanical................................ 70
DIP switch.............................................. 47
Displays ................................................. 42
E
Error containment .................................. 15
ESM ITP80 ............................................ 11
ESM TP80 ............................................. 13
F
Fault mask ...................................... 44, 46
Filtering.................................................. 15
Firmware update .................................... 61
FO ports................................................. 37
H
Hotline ................................................... 74
Hyperterminal program .......................... 63
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11
I
Installation in cubicle.............................. 55
Installation, S7-300 rail........................... 54
Interfaces.......................................... 1, 33
ITP port.................................................. 34
L
Learning addresses................................ 15
Link control ............................................ 36
Link Control............................................ 36
M
Mounting, standard rail........................... 52
N
Network segment ................................... 30
Network topologies.......................... 1, 17
Null modem cable .................................. 62
O
Operator controls ................................... 47
OSM ITP53............................................ 10
OSM ITP62.............................................. 8
OSM ITP62-LD ........................................ 9
OSM TP62............................................. 12
P
Power supply ......................................... 40
R
Reconfiguration time .............................. 20
Redundancy manager ............................ 20
Redundant ring structure ........................ 20
S
Serial interface....................................... 39
Signaling contact.................................... 41
Standby master...................................... 24
89
Index
Standby slave ........................................ 24
Standby sync port .................................. 38
TP port................................................... 35
Training center....................................... 75
T
Technical specifications ......................... 67
W
Wall mounting........................................ 56
T
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Glossary
10BASE2
Standard for 10 Mbps Ethernet transmission on thin coaxial cables (Cheapernet);
maximum segment length 185 Meters
10BASE5
Standard for 10 Mbps Ethernet transmission on coaxial cables (Yellow Cable);
maximum segment length 500 Meters
10BASE-FL
Standard for 10 Mbps Ethernet transmission on glass fiber-optic cables (Fiber
Link)
10BASE-T
Standard for 10 Mbps Ethernet transmission on Twisted Pair cables
100BASE-T
Fast Ethernet Standard (100 Mbps) for data transmission on Twisted Pair cables
100BASEF-FL
Fast Ethernet Standard for data transmission on glass fiber-optic cables
Autonegotiation
Configuration protocol in Fast Ethernet
Devices on the network negotiate a transmission mode that each device is capable of using (100 Mbps or 10 Mbps; Full Duplex or Half Duplex) prior to the actual data transfer.
Autosensing
Capability of a device to detect the data rate (10 Mbps or 100 Mbps)
automatically and to send/receive at this rate.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-1
Glossary
Backbone
The network at the highest level of a hierarchically structured plant network.
Bandwidth length product (FO)
Measure of the capability of a fiber-optic cable to transfer at high data rates.
Bridge
A network component that interconnects network segments. This ensures that
local data traffic remains local, in other words only data packets for a node in the
other segment are forwarded through the bridge. Errors in a network segment
are restricted to the original network segment. In contrast to switches, bridges
can only forward one data stream at any one time.
Burst
Temporarily increased network load due to data burst or a sudden flurry of
signals
Bus
Common transmission path on which all nodes are connected; it has two defined
ends.
In Industrial Ethernet, the bus takes the form of a segment with triaxial cable and
transceivers.
Bus segment
³ Segment
Bus system
All stations that are physically connected via a bus cable form a bus system.
Category x component
Cabling components are divided into various categories based on their
transmission characteristics. Each of the categories has different physical limit
values (for example maximum signal attenuation at a defined transmission
frequency).
Category 3: Data transmission up to 16 MHz
Category 4: Data transmission up to 20 MHz
Category 5: Data transmission up to 100 MHz
Category 6: Data transmission up to 200 MHz
ITP standard cable and TP cord are category 5 components and suitable for
transmission rates of 10 Mbps and 100 Mbps.
Glossary-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary
Chassis ground
Chassis ground includes all the interconnected inactive parts of equipment that
must not have a hazardous voltage even in the event of a fault.
Collision domain
To ensure that the CSMA/CD protocol functions correctly, the propagation time of
a data packet from one node to another is restricted.
This propagation time results in a specially limited span for the network
depending on the data rate known as the collision domain. In 10 Mbps Ethernet,
this is 4520 m and in Fast Ethernet it is 412 m.
Several collision domains can be connected together using bridges/switches.
CSMA/CD
Carrier Sense Multiple Access / Collision Detection
Ethernet medium access procedure
D.C. loop resistance
Total resistance of the outward and return line of a cable.
Delay equivalent
The delay equivalent describes the signal delay of a network component in the
signal path. The value of the signal delay is specified in meters instead of
seconds.
The value in meters corresponds to the distance that a signal could propagate
within the time if the signal propagated through a cable rather than passing
through the component.
Electromagnetic compatibility
Electromagnetic compatibility (EMC) deals with all questions of electrical,
magnetic and electromagnetic emission and immunity and the functional
disturbances in electrical devices resulting from these effects.
FDX
–> Full duplex
Fiber-optic cable (FO)
A fiber-optic cable is a transmission medium in an optical network. Only
multimode glass fiber-optic cables are suitable for connecting optical Industrial
Ethernet components.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-3
Glossary
Filtering
A switch filters data traffic based on source and destination addresses in a data
packet. A data packet is passed on by the switch only to the port to which the
addressee is connected.
FO
See fiber-optic cable
Full duplex
Capability of a device to transmit and receive data simultaneously. In the Full
Duplex mode, collision detection is deactivated.
Ground
Ground is the conductive ground area whose potential at any point can be taken
as zero.
Grounding
Grounding means connecting a conductive part to ground via a grounding system.
Half duplex
A device can either receive or transmit data at any one time.
HDX
–> Half duplex
Hub
Active network component with repeater functionality, synonym for star coupler
IEEE 802
Institute of Electrical and Electronics Engineers
LAN/MAN Standards Committee
IEEE 802.3
Institute of Electrical and Electronics Engineers
Ethernet working group
Glossary-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary
IEEE 802.3u
Institute of Electrical and Electronics Engineers
Fast Ethernet working group
IP 20
Degree of protection complying with DIN 40050: Protection against touching with
fingers and against the penetration of solid foreign bodies with more than 12 mm
∅.
ITP
Industrial Twisted Pair; bus system based on the Twisted Pair standards IEEE
802.3i: 10BASE-T and IEEE 802.3j: 100BASE-TX for industrial application.
ITP standard cable
A twisted pair cable for industrial application complying with Category 5 with a
particularly dense shield.
Load containment
Due to its filtering function, a bridge or switch ensures that local data traffic
remains local. The local network load of a segment is contained in the originating
segment and does not represent extra load on the remainder of the network.
Link Class
The link class describes the quality of a complete link from the active component
to the DTE (patch cord, patch panel, installation cable, telecommunication outlet,
connecting cable). This link must meet the value specified in the structured
cabling standard ISO/IEC 1180.
In contrast to this, there is also the specification regarding ”categories”, where
only requirements of products are defined, for example cable according to
Category 5. The suitable interaction of components of a link is ignored.
MAN
Metropolitan Area Network
Data network with the geographical span of a city or town
Medium redundancy
Redundancy in the network infrastructure (cables and active components such
as OLMs or OSMs/ORM)
NIC
Network interface card
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-5
Glossary
OLM
Optical Link Module
Industrial Ethernet network component with repeater functionality
Optical power budget (FO)
This is available between a sender and receiver on a fiber-optic link. It indicates
the difference between the optical power coupled in to a particular fiber by the
optical transmitter and the input power required by an optical receiver for reliable
signal detection.
Optical power loss (FO)
The optical power loss is the cumulative value of all the losses occurring in the
fiber-optic transmission path. These are due mainly to the attenuation of the fiber
itself and the splices and couplings. The optical power loss must be less than the
optical power budget available between the transmitter and receiver.
ORM
Optical Redundancy Manager
Controls medium redundancy in an OSM ring
OSM
Optical Switch Module
Industrial Ethernet network component with switch functionality
Path Variability Value (PVV)
The variability value of a component describes the fluctuations in the propagation
time of a data packet through a network component. The path variability value is
the sum of all the fluctuations through all the network components between two
nodes.
Redundancy
This means that standby equipment exists that is not required for the basic functioning of a system. If equipment fails, the standby can take over its function.
Example:
Medium redundancy:
An additional link closes the bus to form a ring. If there is a failure on part of the bus,
the redundant link is activated to maintain the functionality of the network.
Reference potential
The voltages of circuits are considered and/or measured relative to this potential.
Glossary-6
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary
RJ-45
Connector for data lines also known as the Western plug. Commonly used
connector in telephone and ISDN systems. This connector is also used in LAN
installations in offices.
Router
Active network component that controls data traffic based on the IP address.
Routers have a wide range of filtering and data management functions.
Segment
In triaxial networks, the transceivers connected together via 727-0 LAN cables
and the nodes connected by 727-1 drop cables form a segment.
Several such segments can be connected via repeaters.
When using twisted pair and fiber-optic cables, each subsection forms a
segment.
Segmentation
Disconnection of a faulty segment from an Ethernet network. With this function,
network components such as OLMs, ELMs, ASGEs are capable of limiting faults
to a segment.
Shared LAN
All components in a shared LAN operate at the nominal data rate. Shared LANs
are structured with repeaters/hubs.
Shield impedance
Resistance to alternating current of the cable shield. Shield impedance is a characteristic of the cable used and is normally specified by the manufacturer.
Signal propagation time
The time required by a data packet to on its way through the network.
Spanning Tree Protocol
Configuration protocol for bridges specified in the IEEE 802.1d standard.
Different ports in the bridges are switched to standby in meshed bridge
structures to prevent data packets from circulating in the network. The result is a
network with a tree structure. The standby ports/connections are available as
redundant connections if a fault develops. Reconfiguration of the network using
the spanning tree protocol can take from several seconds up to a minute and is
therefore not suitable for industrial purposes.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-7
Glossary
S/STP
Screened Shielded Twisted Pair
With this cable design, the individual twisted pairs of a twisted pair cable are
wrapped in a foil screen. Both individually screened pairs are also shielded with a
common braided copper shield.
Standard rail
Metal rail standardized in compliance with EN 50 022.
The standard rail is used for fast snap-on installation of suitably designed devices (for example OLM, ELM, OSM)
Structured cabling
Generic cabling system within buildings and building complexes for information
technology purposes. The European standard EN 50173 “Application
Independent Generic Cabling Systems” contains specifications.
This divides a campus into the following areas
– Primary area (connections between buildings of a campus)
– Secondary area (connections between floors of a building)
– Tertiary area (connections to the DTEs).
EN 50173 recommends cabling systems adapted to these areas that provide the
flexibility for the communication requirements of the future independent of
specific applications.
Suppressor
Component for reducing induced voltages. Induced voltages occur when circuits
with inductances are turned off.
Switch, Switching
A switch is a network component with essentially the same characteristics as a
bridge. In contrast to bridges, however, the switch can establish multiple
connections between its ports simultaneously. These connections are
established dynamically and temporarily depending on the data traffic. Each
connection has the full nominal bandwidth.
Terminating resistor
A resistor to terminate Industrial Ethernet triaxial cable; terminating resistors are
always necessary at the ends of triaxial cable.
TP cord
A category 5 twisted pair cable for short links; intended for use in a wiring closet
or in an office environment with low levels of electromagnetic interference.
Glossary-8
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary
Triaxial cable
The SIMATIC NET LAN cable 727-0 is based on the coaxial cable specified in
the IEEE 802.3: 10BASE5 standard but with a solid aluminum shield and outer
sheath making it more suitable for industrial application.
Twisted pair
Data cable with twisted pairs of wires. Twisting the wire pairs minimizes the
electromagnetic interference between the pairs. Twisted pair cables are available
in different qualities for different transmission rates.
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-9
Glossary
Glossary-10
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Abbreviations
ACR
Attenuation Crosstalk Ratio, difference between near end crosstalk and attenuation
in dB
APX
Automatic Polarity Exchange
ASGE
Name of an active star coupler for Industrial Ethernet
AS-Interface
Actuator–Sensor–Interface, bus system for direct attachment of simple binary
sensors and actuators
AUI
Attachment Unit Interface, term from the IEEE 802.3 standard
BFOC
Bayonet Fiber Optic Connector, international designation for fiber–optic
connectors
BN
Bonding Network
BT
Bit Times
CATx
Category (cable category assigned according to transmission characteristics)
CBN
Common Bonding Network
CP
Communications Processor
CSMA/CD
Carrier Sense Multiple Access with Collision Detection, bus access method
complying with IEEE 802.3
DIN
Deutsches Institut für Normung (German Standards Institute)
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-1
Abbreviations
ECTP3
Name of an Industrial Twisted Pair interface card for the ASGE star coupler
ECFL2/4
Name of a fiber-optic interface card for the ASGE star coupler
ELM
Electrical Link Module
EMC
Electromagnetic Compatibility
EN
EuroNorm Standard
ESM
Electrical Switch Module
FDX
Full Duplex
FO
Fiber Optic
FRNC
Flame retardant non corrosive
HDX
Half Duplex
HSSM 2
Name of a signaling card for the ASGE star coupler
IEC
International Electrotechnical Commission
IEEE
Institute of Electrical and Electronics Engineers
IK PI
Industrial Communication Catalog (SIMATIC NET product catalog)
ISO
International Standardization Organization
ITP
Industrial Twisted Pair
Glossary-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Abbreviations
L+
Positive dc current conductor
L–
Negative dc current conductor
LAN
Local Area Network
LED
Light Emitting Diode
LLC
Logical Link Control, layer 2b of the OSI reference model
MAC
Media Access Control
MAU
Medium Attachment Unit
MDI
Medium Dependent Interface
MESH–BN
MESHed Bonding Network]
MIKE
Name of a management interface card for the ASGE star coupler
Mini OTDE
Name of an optical transceiver for Industrial Ethernet
Mini UTDE
Name of an electrical transceiver for Industrial Ethernet
N
Neutral conductor
NEXT
Near End Cross Talk
OLM
Optical Link Module
OSI
Open System Interconnection, abstract model describing communication between
open systems according to ISO 7498
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Glossary-3
Abbreviations
OSM
Optical Switch Module
PE
Protective Earth conductor
PELV
Protective extra–low Voltage
PEN
Combined protective conductor and neutral conductor
PLC
Programmable Logic Controller
PP
Polypropylene
PUR
Polyurethane
PVC
Polyvinyl chloride
PVV
Path Variability Value
SELV
Safety extra–low voltage
SNMP
Simple Network Management Protocol
SQE
Signal Quality Error (”heartbeat”), signal for checking the functionality of a
transceiver
S/STP
Screened Shielded Twisted Pair
VDE
Verband Deutscher Elektrotechniker (Association of German Electrical Engineers)
Glossary-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Index
Numbers
100 Mbps switched LAN
configuration, 3-24, 3-27
fiber-optic links, 3-27
100 Mbps switched LAN (electrical), 3-24
100 Mbps switched LAN (optical), 3-27
100BASE-FX, 3-27
100BASE-FX (fiber-optic cable), 2-7
100BASE-TX (Twisted Pair), 2-7
15-pin sub-D connector, 9-12
9-pin sub-D connector, 9-11
A
ASGE, 9-9
ASGE star coupler, 6-24
AUI links, 3-5
B
BFOC connector, 7-39
BFOC connectors, 5-15
Bus cables, 7-2, 7-23
electrical safety , 7-3
electromagnetic compatibility, 7-5
EMC, 7-5
handling bus cables, 7-2
in plants, 7-2
mechanical protection, 7-23
C
Cabinet lighting, EMC, 7-17
Cable categories, 7-19
Cable shielding, 7-14
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Cabling, 7-21
outside buildings, 7-22
within buildings, 7-21
within closets, 7-21
Collision domain, 2-4, 3-5, 6-19
Configuring networks, 3-1
Creating and linking subnets, 6-19
CSMA/CD protocol, 2-4
CSMA/CDCSMA/CD networks, 3-2
D
Delay equivalent, 3-5
values, 3-7
Devices and cables, arrangement, 7-18
E
Electrical 100 Mbps switched LAN, 3-24
Electrical Link Module, dimension drawing, 9-2
Electrical Switch Module, 9-6
Electrical Switch Module (ESM), 6-11
Electrical transceiver, 9-10
ELM, 6-2, 9-2
ESM, 9-6
outer dimensions and clearance for
installing, 9-8
F
Fast Ethernet, 2-6
FC Outlet RJ-45, 9-14
Fiber optic (10BASE-FL), 2-5
Fiber-optic cable (FO), 5-2
Fiber-optic links, 3-2
Index-1
Index
Fiber-optic standard cable, 5-4, 5-7
Flexible fiber-optic trailing cable, 5-5, 5-9
FO link power budget, 3-2
G
Glass fiber-optic cable, 3-4, 5-3
technical specifications, 5-4
I
INDOOR fiber-optic cable, 5-4, 5-8
Industrial Twisted Pair, 4-19
Industrial Twisted Pair (10BASE-T), 2-5
Industrial Twisted Pair links, 3-4
Industrial Twisted Pair standard cable, 4-4
labeling, 4-5, 4-16
structure, 4-4
technical specifications, 4-6, 4-11
Industrial Twisted Pair sub-D connector, 4-34
15-pin, 4-36
9-pin, 4-35
Industrial twisted-pair standard cable, ordering
data, 4-14
Installation instructions , for electrical and
optical LAN cables, 7-26
Interference voltages, 7-6
counter measures, 7-6
Interframe gap, 3-6
Optical power loss, 3-3
Optical Switch Module, dimension drawing, 9-3
Optical Switch Module (OSM), 6-11
bus topologies, 6-15
casing, 6-12
functions, 6-13
installation, 6-12
ports, 6-12
OSM, 3-29, 3-30, 9-3
bus structure, 3-29
redundant ring structure, 3-30
P
Path variability value, 3-6
Preassembled cables, 7-39
Preassembled Industrial Twisted Pair cables,
4-20
pinout, 4-23
product range, 4-21, 4-24
Preassembled TP cables, 4-19
use, 4-19
PVV, 3-6
R
Redundant link, network segments with
OSMs/ESMs, 3-31
Redundant links with the OSM/ESM, 6-20
Redundant ring structure with OLMs, 3-16
RJ-45 connector, 4-37, 9-13
M
Mini OTDE, 9-10
MINI OTDE Optical Transceiver, 9-10
MINI OTDE optical transceiver, 6-26
functions, 6-27
topologies with the MINI OTDE, 6-27
Mini UTDE RJ-45, 9-10
N
Network expansion, 6-19
Network span, 3-5
Networking bus cables, instructions, 7-2
Noise suppression measures, 7-17
S
Shield contact, making, 7-15
SIENOPYR duplex fiber-optic marine cable,
5-5, 5-12
Signal delay, 3-5
Signal propagation time, 3-5
SIMATIC NET, 1-5
Special cables, 5-14
Standby-sync mode, 6-21
Standby-sync ports, 6-20
Star coupler , active , 9-9
Storage and transportation, 7-26
Switched LANs, 3-23
Switching, 2-8
O
OLM, 6-2, 9-2
Optical Link Module, dimension drawing, 9-2
Index-2
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
Index
T
V
Temperatures, 7-26
Tensile strength, 7-26
Twisted-pair connectors, 7-29
fitting, 7-29
Twisted-Pair Cord, technical specifications,
4-17
Twisted-pair port converter, 4-32
mounting bracket, 4-32
pinout, 4-33
product range, 4-32
Variability value, 3-6, 3-7
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
W
Western plug, 4-37
Index-3
Index
Index-4
SIMATIC NET Twisted-Pair and Fiber-Optic Networks
C79000-G8976-C125-02
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