CJ1W-PNT21 Omron, CJ1W-PNT21 Datasheet - Page 36

• Manufacturer Part Number: CJ1W-PNT21
• Description: CJ Profinet Master
• Manufacturer: Omron

Specifications of CJ1W-PNT21

• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

Setting up the PROFINET IO network
3-4-1-3 Tree
The tree topology is a hierarchial combination of multiple star topologies
interconnected with each other.
Advantages of the tree topology:
•
•
•
Disadvantages of the tree topology:
•
•
/i
Part
Switch
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.
Additional cabling effort and cost.
Failure or power disruption of one switch will fail a part of the network.
Recommendation
Industrial Ethernet Switch (either managed or unmanaged).
Switch
Figure 3.10: Ethernet tree topology
Switch
Section 3-4
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