HW-group. Star ring topologies are
not permitted, they cause signal reflections and degrade communication
quality. The shield should properly grounded one point only.
Do not route them the same conduit near high-current cables prevent
electromagnetic interference (EMI).com 18
RS-485 Network Installation Guidelines
To ensure stable and reliable communication, follow these recommendations when
installing the RS-485 network:
1) Topology Always use bus (daisy-chain) topology.
– the sensor installed the middle the RS-485
bus, set both switches the position opposite the
ON marking (OFF position).
– the sensor used standalone device is
located the end the RS-485 bus (daisy-chain
topology), set both switches the position.
4) Termination The RS-485 line must terminated both ends.
2) Cabling Use shielded twisted-pair (STP) cable for the RS-485 communication
lines and B).
3) Routing Keep communication signal lines separate from 230 power lines.
. RS-485 line
termination configured using DIP switch SW2
