Siemens OLM/G12-1300 V4.0 - Default Chapter; Table of Contents

SIMATIC NET PROFIBUS, Optical Link Module
iv Operating Instructions, 07/2008, A2B00065774O, Edition V1.5
1
Preface ...................................................................................................................................................... 1
1.1 Preface...........................................................................................................................................1
2 Introduction................................................................................................................................................ 3
2.1 Introduction ....................................................................................................................................3
3 Network Topologies................................................................................................................................... 7
3.1 Linear (bus) Topology ....................................................................................................................8
3.1.1 Linear (bus) topology with fiber-optic link monitoring and segmentation.......................................9
3.1.2 Bus topology without fiber-optic link monitoring.............................................................................9
3.2 Star Topology...............................................................................................................................10
3.3 Ring Topology..............................................................................................................................12
3.3.1 Redundant Optical Ring with two OLMs ......................................................................................14
4 Product Characteristics............................................................................................................................ 17
4.1 Technical Specifications ..............................................................................................................17
4.2 Installation ....................................................................................................................................20
4.2.1 Safety related notices ..................................................................................................................20
4.2.2 General information on commissioning .......................................................................................21
4.2.3 Setting compatibility, mode and transmit power ..........................................................................22
5 Installation and Maintenance ................................................................................................................... 27
5.1 Installation ....................................................................................................................................27
5.1.1 Installation instructions.................................................................................................................27
5.1.2 Connecting optical cables ............................................................................................................30
5.2 Installation of the Modules ...........................................................................................................31
5.3 Connection of the Electrical RS-485 Bus Cables ........................................................................33
5.4 Connecting of the Operating Power Supply.................................................................................35
5.5 Connecting the Signaling Contact Wires .....................................................................................35
5.6 Receive Level of the Optical Channels........................................................................................36
5.7 LED Displays and Troubleshooting .............................................................................................37
5.7.1 LED displays ................................................................................................................................37
5.7.2 Troubleshooting ...........................................................................................................................39
5.8 Maintenance.................................................................................................................................41
5.9 Cleaning .......................................................................................................................................41
5.10 Configuration................................................................................................................................42
5.10.1 Configuring optical bus and star topologies.................................................................................42
5.10.2 Configuring redundant optical rings .............................................................................................42
6 Approvals and Marks............................................................................................................................... 45
6.1 CE Mark .......................................................................................................................................45
6.2 c-tick.............................................................................................................................................46
6.3 FM approval .................................................................................................................................47
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