Siemens SIMATIC NET PROFIBUS User Manual Page 6

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6
Network selection criteria
for the transmission media
Figure 8: Selection criteria for the transmission media
Criteria
Electrical network
EMC
Optical network
Wireless
interfacing
RS 485 to
IEC 61158/EN 50170
IEC 61158-2 Plastic PCF
Networking
across buildings
Range
Suitability for
high transfer rates
Simple connector
installation
Simple
cable routing
Potential
equalizing measures
required
Performance
spectrum for special
applications
Use with mobile
terminals
Use in
IS environment
1) Lightning protection measures required
2) Depending on transmission speed
3) Trained personnel and
special tools required
1)
2)
4)
3) 3)
yes yes no no no no
Glass
Infrared
5)
4) Careful routing required
5) Outdoor cable required
Not applicable
for this application
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