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Siemens SIMATIC NET PROFIBUS User Manual

Page 357

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Infrared Link Modul (ILM)

6ZB5530–3AC30–0BA1

15

Copyright

by Siemens

Infrared
transmission link 1
0.5 to 15 m

Infrared
transmission link 1
0.5 to 15 m

Optical isolation between the infra-
red transmission links

PROFIBUS
slave network segment 2

PROFIBUS
slave network segment 1

PROFIBUS
master network segment

Slave

Slave

Slave

Slave

Slave

Slave

Slave

Master

Master

ILM

ILM

ILM

ILM

Figure 4:

Link Between Several Slave Network Segments and One Master Network Segment