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Siemens SIMATIC NET PROFIBUS User Manual

Page 114

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Passive Components for RS-485 Networks

4-16

PROFIBUS Networks SIMATIC NET

6GK1970-5CA20-0AA1 Release 2 05/2000

Figure 4-8

Example of Using the PROFIBUS Trailing Cable in a Drag Chain

Segment Lengths

Due to the increased loop resistance, somewhat shorter segment lengths are
permitted at low transmission rates (see Table 3.1). At transmission rates

500

Kbps, the trailing cable has the same values as the standard LAN cable.