Siemens RUGGEDCOM RS400 Installation Manual page 35
Rugged ethernet switches
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- Installation manual (38 pages) ,
- Installation manual (46 pages)
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Communication Ports
4.4.5 Connecting Multiple RS485 Devices
2
1
1
2
3
4
5
6
Figure 4.12
26
3
4
RUGGEDCOM RS400
Common (Isolated Ground)
Negative
Positive
Shield to Earth (Connected At a Single Point)
RS485 Devices (32 Total)
Recommended RS485 Wiring
5
5
120Ω 10nF
120Ω 10nF
6
RUGGEDCOM RS400
Installation Manual, 02/2020, C79000-G8976-1016-10
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