Installation SmartRadar FlexLine
Installation Guide Part No.: 4417.760_Rev06
34
For short distances up to 20 devices can be connected. This
number will be specific to every situation.
4.11.3.3 Host Communication EIA 485
4.11.3.3.1 Topology
Up to 31 gauges can be connected to one EIA 485 Host
communication. The gauges are connected in parallel, as
described in figure 4.9.
FIG. 4-9 EIA 485 topology
Cable specifications
Type Twisted pair, shielded
Maximum length 1200 meter
NOTE:
If necessary the ‘common’ of the EIA 485 may be
connected to the ground GND_ISO.
Label Parameters
11. 485A 1k2/2k4/4k8/9k6/19k2/38k4 bps
Selection by software
12. 485B
13. GND_ISO
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