
Rockwell Automation Publication 56RF-UM001A-EN-P - October 2011
35
Chapter
4
EtherNet/IP Addressing
Star Topology
The star structure consists of a number of devices connected to central switch.
When this topology is used, only one EtherNet connection can be made to the
Bul. 56RF interface block – this connection is made to the Link 1 connector. The
Link 2 connection must remain unused.
Figure 9 - Star Topology
RFID
Transceivers
RFID
Interface
Block
RFID
Transceivers
RFID
Interface
Block