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
Contents
