Siemens RUGGEDCOM RS910 - Page 36

Communication Ports
4.3.4Connecting Multiple RS485 Devices
< 1219 m (4000 in)
120Ω 10nF
120Ω 10nF
1
2
3
5
5
6
4
1
RUGGEDCOM RS910 Device
2
Common (Isolated Ground)
3
Negative
4
Positive
5
Shield to Earth (Connected At a Single Point)
6
RS485 Devices (32 Total)
Figure4.11 Recommended RS485 Wiring
RUGGEDCOM RS910
Installation Manual, 04/2021, C79000-G8976-1029-12
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