
160 Publication IASIMP-QS010B-EN-P - October 2009
Chapter 2 Network Communication
Use this table as a reference when determining how to configure your
Ethernet network RPI.
We recommend that you leave some connections available for tasks, such as
going online and non-I/O purposes.
Maximum Ethernet Interface Connections
The maximum connection specifications for the Ethernet interface of the
1769-L23E controllers are listed in this table.
Ethernet Interface Connections According to RPI
Requested
Packet Interval
Ethernet Interface
Connections, max
2 ms 2
4 ms 5
8 ms 10
16 ms 18
32 ms+ 25+
Connection Type
Number of
Connections, max
TCP 8
CIP, Class 1 (I/O and Produce/Consume) 32
CIP, Class 3 (Messaging) 32
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