Performance Data Section 7 Technical Data
216 9ARD000014-600 A
Performance Data
• The CI873 can handle maximum of 10 CIP connections with 10ms RPI.
However it can handle maximum of 128 CIP connections.
• Reaction time of CI873, that is, the time from changed input channel to the
time setting an output channel shall be less than 100ms at a maximum CI873
CPU Load of 80%, provided that the data is sent over the connection operating
at RPI of 50ms or less.
• Data throughput of 1000 CIP I/O packets Receive/Sec and 500 CIP I/O Packets
sent/sec can be achieved at an optimum load of 85%. Each I/O packet can have
data size ranging from 4 to 500 bytes.
• Redundancy Switchover time is 120ms for 10 CIP connections operating at
10ms RPI, 93% CI873 CPU Load i.e the time I/O communication stops in
primary to the time I/O communication starts in switched primary.
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