Star Topology - ABB HITACHI EDS500 Series Manual

Network structures
Control center
500FSDxx
Figure 2: Point-to-point topology
3.3.3

Star topology

The star topology is used in centralized applications with a central connection point. The
different connections for the stations are bundled in the control center and are attached to a
single 500FSD analog modem. For star topologies two- or four-wire cabling is possible.
Staon 1
RTU/IED
500FSDxx
Staon 3
RTU/IED
500FSDxx
Figure 3: Star topology
14
Staon
RTU/IED
Cu
500FSDxx
Control center
Cu
500FSDxx
Cu
System concept
Staon 2
RTU/IED
Cu
500FSDxx
Staon 4
RTU/IED
Cu
500FSDxx
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