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2 Nomenclature and Installation
2-12
CJ-series PROFINET IO Controller Unit Operation Manual for NJ-series CPU Unit (W511)
The tree topology is a hierarchical combination of multiple star topology interconnected with each
other.
Advantages of the Tree Topology
•
Flexible adding and removing of devices without changes in existing connections.
•
Easy diagnostics of the network by default isolation.
•
Further reduced data traffic per connection than when in star topology.
Disadvantages of the Tree Topology
•
Additional cabling effort and cost.
•
Failure or power disruption of one switch will fail a part of the network.
Additional Information
The switch shown above should be of an Industrial Ethernet Switch type (either managed or
unmanaged)
Tree Network
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