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Siemens SIMATIC NET PROFIBUS User Manual

Page 355

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Infrared Link Modul (ILM)

6ZB5530–3AC30–0BA1

13

Copyright

by Siemens

Master

Master

Slave

Slave

Slave

Slave

Slave

Slave

ILM

ILM

ILM

ILM

Infrared
transmission link 1
0.5 to 15 m

Infrared
transmission link 2
0.5 to 15 m

PROFIBUS
master network segment

PROFIBUS
slave network segment 1

PROFIBUS
slave network segment 2

Optical isolation between the transmission links.

Figure 3:

Cascading Two PROFIBUS ILM Transmission Links