RUGGEDCOM RX1000P
Installation Guide
Chapter 3
Communication Ports
Connecting Multiple RS485 Devices
31
<
12
19
m
(
40
00
in
)
120Ω 10nF
120Ω 10nF
1
2
3
5
5
6
4
Figure 29: Recommended RS485 Wiring
1.
RX1000P Device
2.
Common (Isolated Ground)
3.
Negative
4.
Positive
5.
Shield to Earth (Connected At a Single Point)
6.
RS485 Devices (32 Total)