Section 2 Functional Description
CI873 Connections
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Explicit Messaging (Class 3 or UCMM)
Unconnected explicit messaging is used for configuration. It is transmitted over a
TCP connection.
•
Explicit messages provide a one-time transport of data item. They can be sent
as connected or unconnected. These messages are typically point-to-point.
•
Explicit messages provide the typical request or response-oriented network
communications.
•
Predominantly used for device configuration and diagnostics.
For class 3, communication is tag based.
CIP Connection Time-out Calculation
T -> O RPI value should suit the requirement of the application. The lowest value
configurable to this parameter is 10ms, which results in the fastest possible
communication.
The Requested Packet Interval (RPI) is the requested time interval between packets
in case of Implicit communication for I/O data transfer. In the
T -> O RPI
parameter on the EtherNet/IP target, the time interval between packets received by
CI873 EtherNet/IP I/O scanner from target, can be configured.
Summary of Contents for AC 800M
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Page 22: ...Figure 1 System configuration Device Import Wizard Section 1 Introduction 22 9ARD000014 600 A ...
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Page 46: ...Hot Swap of EtherNet IP Device Section 2 Functional Description 46 9ARD000014 600 A ...
Page 68: ...Figure 22 Enum Values File Section 3 Device Import Wizard 68 9ARD000014 600 A ...
Page 71: ...Section 3 Device Import Wizard File 9ARD000014 600 A 71 Figure 25 EDS Range selection ...
Page 222: ...Auxiliary RS 232 9 Pin D Subminiature Section 8 Hardware Connections 222 9ARD000014 600 A ...
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