Siemens SIMATIC NET PROFIBUS manual Modes and Settings, Installation and Startup

6ZB5530–3AC30–0BA1 Infrared Link Modul (ILM)

1	The Product	6
2	Symbols	7
3	Introduction	8
4	Description of the Device	9
5	Description of the Functions	11
5.1	Transmission Rate	11
5.2	Topologies	11
5.2.1	Point–to–Point–Link	12
5.2.2	Point–to–Multipoint Link	17
5.3	Signal Regeneration	19
5.4	Monitoring the Received Optical Level	19
5.5	Constant Light Monitoring	19
5.6	Monitoring the Optical Link	20
5.6.1	Monitoring the Optical Receive Activity	20
5.6.2	Monitoring the Optical Link with an Acknowledgment Pulse	20
6	Modes and Settings	22
6.1	Setting the Terminating Resistor	23
6.2	Setting the Transmission Rate	24
6.3	Operation With Acknowledgment Pulse	25
6.4	Operation with Signaling Contact	26
7	Installation and Startup	28
7.1	Notes on Safety	28
7.2	General Notes on Installation and Startup	29
8	Installing the PROFIBUS ILM	31
8.1	Connecting the Electrical RS 485 Bus Cables	37

8.2Connecting the Power Supply and the

	Signaling Contact	39
9	Displays	41

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