Siemens SIMATIC NET PROFIBUS manual Setting the Transmission Rate

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

6.2Setting 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 5 6 7 8 Setting 0 As shipped:

All switches 0

Setting 1

Switch for

setting the transmission rate

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1 2 3

1.5 Mbps

500Kbps

187.5 Kbps

93.75 Kbps

45.45 Kbps

19.2 Kbps

9.6Kbps

reserved

Figure 8: Setting the Transmission Rate

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