Rockwell Automation AADvance Controller Solutions Handbook - Manual (Page 100)

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7-6 Document: 553631
(ICSTT-RM447J_EN_P) Issue: 09:
Solutions Handbook (AADvance Controller)
The processor base unit provides the electrical connections between the T9110
processor modules, and the rest of the controller modules and has the following
connections:
 Command and response bus connections for up to 48 I/O modules
 Inter-processor links
 Two Ethernet 100 BaseT connectors per processor
 Two serial data connections per processor
 Dual +24v System power
 Ground stud
 Program enable key
The processor base unit holds the IP address of each processor module separately in a
BUSP (U1 shown in above illustration) which is installed during manufacture. This
means that you can remove a defective processor module and install a new one
without needing to set up the IP address of the new module.