Rockwell Automation 1440-RMA00-04RC XM-440 Master Relay Module - Manual (Page 75)

Rockwell Automation Publication GMSI10-UM009D-EN-P - June 2011
DeviceNet Objects 75
Connection Object
(Class ID 05
H
)
The Connection Object allocates and manages the internal resources
associated with both I/O and Explicit Messaging Connections.
Class Attributes
The Connection Object provides no class attributes.
Instances (DeviceNet Slave)
Instance Attributes
Table C.11 Connection Object Instances
Instance Description
1 Explicit Message Connection for pre-defined connection set
2 I/O Poll Connection
4 I/O COS (change of state) Connection
11 - 14 Explicit Message Connection
Table C.12 Connection Object Instance Attributes
Attr ID
Access
Rule
Name Data Type Description
1 Get State USINT State of the object.
2 Get Instance Type USINT Indicates either I/O or Messaging
Connection.
3 Get Transport Class Trigger BYTE Defines behavior of the Connection.
4 Get Produced Connection ID UINT Placed in CAN Identifier Field when the
Connection transmits.
5 Get Consumed Connection
ID UINT CAN Identifier Field value that denotes
message to be received.
6 Get Initial Comm
Characteristics BYTE Defines the Message Group(s) across
which productions and consumptions
associated with this Connection occur.
7 Get Produced Connection
Size UINT Maximum number of bytes transmitted
across this Connection.
8 Get Consumed Connection
Size UINT Maximum number of bytes received across
this Connection.
9 Get/Set Expected Packet Rate UINT Defines timing associated with this
Connection.