CJ1W-PNT21 Omron, CJ1W-PNT21 Datasheet - Page 35
CJ1W-PNT21
Manufacturer Part Number
CJ1W-PNT21
Description
CJ Profinet Master
Manufacturer
Omron
Datasheet
1.CJ1W-PNT21.pdf
(131 pages)
Specifications of CJ1W-PNT21
Lead Free Status / Rohs Status
Lead free / RoHS Compliant
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Setting up the PROFINET IO network
3-4-1-2 Star
22
The star topology is the most common topology for Ethernet networks. A
central switch allows for communication between all connected devices.
Advantages of the star topology:
•
•
•
Disadvantages of the star topology:
•
•
/i
Part
Switch
Flexible adding and removing of devices without changes in existing
connections.
Easy diagnostics of the network by fault isolation.
Reduced data traffic per connection.
Aditional cabling effort and cost.
Failure or power disruption of the switch will fail the complete network.
Industrial Ethernet Switch (either managed or unmanaged).
Recommendation
Figure 3.9: Ethernet star topology
Switch
Section 3-4
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