Setting The Transmission Rate - Siemens SIMATIC NET PROFIBUS Owner's Manual

6ZB5530–3AC30–0BA1
6.2

Setting the Transmission Rate

To operate the PROFIBUS ILM, the transmission rate must be set manually. The transmission rates normal
in PROFIBUS (9,6 Kbps to 1.5 Mbps) are possible and in addition also the transmission rate of 45.45 Kbps.
The transmission rate of the attached bus nodes must be within the tolerance of )/– 0.3%. The user must set
the same transmission rate on all PROFIBUS ILMs in a PROFIBUS network.
1 2 3 4
Switch for
setting the transmission rate
1 2 3
1.5 Mbps
1 2 3
500 Kbps
1 2 3
187.5 Kbps
1 2 3
93.75 Kbps
1 2 3
45.45 Kbps
1 2 3
19.2 Kbps
1 2 3
9.6 Kbps
1 2 3
reserved
Figure 8: Setting the Transmission Rate
5 6 7 8
Setting 0
Setting 1
23
Infrared Link Modul (ILM)
As shipped:
All switches 0
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