Rockwell-automation 56RF RFID System User Manual User Manual Page 144

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144 Rockwell Automation Publication 56RF-UM001A-EN-P - October 2011
Appendix B CIP Information
Input Only Connection
This connection is used to read data from the module without controlling the
outputs. This connection is not dependent on any other connection.
It is recommended that the originator sets the data size in the O->T direction of
the Forward_Open be zero.
Number of supported input only connections equals two (shared with
exclusive owner and listen only connection).
Connection point O -> T shall be Assembly object, Instance 191 (Input
only heartbeat).
Connection point T -> O shall be Assembly object, Instance 52, 150, or
151 (150 for product codes <= 0x100 only, 151 for product codes > 0x100
only).
Listen Only Connection
This connection is dependent on another connection to exist. If that
connection(exclusive owner or input only) is closed, the listen only connection
shall be closed as well.
It is recommended that the originator sets the data size in the Forward_Open be
zero.
Number of supported listen only connections equals two (shared with
exclusive owner and listen only connection).
Connection point O -> T shall be Assembly object, Instance 192 (Listen
only heartbeat)
Connection point T -> O shall be Assembly object, Instance 52, 150 or
151 (150 for product codes <= 0x100 only, 151 for product codes > 0x100
only)
Class 3 Connections
Class 3 connections are used to establish connections to the message router. The
connection is used for explicit messaging. Class 3 connections use TCP
connections.
Three concurrent encapsulation sessions will be supported
Six concurrent Class 3 connections will be supported
More than one Class 3 connection per encapsulation session will be
supported
Supported API: 100…10000 ms
T->O Connection type: point-to-point
O->T Connection type: point-to-point
Supported trigger type: application
If an exclusive owner connection has been opened against the module
and times out, the input only connection shall time-out as well. If the
exclusive owner connection is properly closed, the input only connection
shall not be affected.
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