Wieland samos PRO Manual page 110

Pin assignment
Connection to the PROFIBUS-DP field bus is via a 9-pin D-sub socket.
Illustration 30: Pin configuration of D-sub socket and plug for the SP-PROFIBUS-DP module
Table 73: Reference for pin configuration
Pin
1
2
3
4
5
6
7
8
9
SHLD
Bus cable
The bus topology for PROFIBUS DP is a linear structure consisting of a shielded and twisted 2-lead
cable with active bus termination at both ends. The potential bus lengths range from 100 m at 12
kbit/s to 1200 m at 94 kbit/s.
Illustration 31: Bus cable of the SP-PROFIBUS-DP module
Table 74: Reference for pin configuration
Position
1
2
3
Line parameters
The bus cable characteristics have been defined in EN 50170 as cable type A.
Wieland Electric GmbH | BA000970 | 07/2019 [9855]
Description
NC
NC
RxD/TxD-P
CNTR-P
GND-EXT
+5V-EXT
NC
RxD/TxD-N
CNTR-N (GND-EXT)
Shielding
Description
PROFIBUS user gray
Shielded bus cable
PROFIBUS termination yellow (with integrated terminal resistances)
PROFIBUS DP gateway
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