Line Topology Section 3 Fieldbus Topologies
60 3BDS009029R5001 B
Line Topology
With this topology, the fieldbus cable is routed from device to device on this
segment, and is interconnected at the terminals of each fieldbus device. Installations
using this topology should use connectors or wiring practices such that
disconnection of a single device is possible without disrupting the continuity of the
whole segment.
Line Topology with spurs
With this topology, the fieldbus devices are connected to the bus segment through a
length of cable called a spur. A spur can vary in length from 1 m to 120 m. A spur
that is less than 1 m in length is considered a splice.
Figure 15. Line Topology
Figure 16. Line Topology with spurs
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