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CHAPTER 5 SYSTEM CONFIGURATION
5
5.1 CC-Link IE Field Network Configuration
5.1.1 Single network system
(2) Network configuration
(a) Network topology
The network can be wired into star topology, line topology, and ring topology.
A network can consist of a combination of star and line topologies, but the ring topology cannot be combined
with star or line topology.
Item Description
Star topology
The network is configured into a star using a switching hub and Ethernet cables.
Slave stations can be easily added to the network using this topology. (Add slave stations
one by one. If multiple slave stations are added at a time, all stations on the network will be
reconnected. Therefore, an error may momentarily occur in all the stations.)
Data link continues with the stations that are operating normally.
Line topology
The network is configured into a line by connecting the modules with Ethernet cables, but
without a switching hub. If an error occurs, stations after the faulty station will be
disconnected.
*1
Star topology Line topology
Star and line topologies mixed
Switching hub
Switching hub Switching hub
Ring topology
Line topology
Stations after the faulty station are disconnected.
Master station (safety station)
(Station No. 0)
Fault