ABB RDNA-01, User Manual

Page: 67 / 88

Communication
67
DeviceNet Connection Object, Class 0x05
The Connection Class allocates and manages the internal
resources associated with both I/O and Explicit Messaging
Connections. The specific instance generated by the Connection
Class is referred to as Connection Instance or Connection Object.
Instance numbering
Class Attributes
Explicit Connection Instance (Instances 1, 10-14)
1 Explicit messaging connection
2 Polled connection or cos/cyclic consuming connection
4 Cos/cyclic producing connection
10…14 Explicit server instances
# Attribute
name
Services Description Data type
1 Revision Get Revision of the DeviceNet Object Array of
UINT8
# Attribute
name
Services Description Default,
Minimum,
Maximum Data
type
1 State Get State of the object 1,0,5 UINT8
2 Instance Type Get Indicates either I/O or
messaging connection. 0,0,0 UINT8
3 Transport
Class Trigger
Get Defines the behaviour of the
connection. 0x83,
0x83,
0x83 UINT8
4 Produced
Cnxn Id
Get Placed in CAN Identifier Field
when the Connection Transmits N/A,N/A,
N/A UINT16
5 Consumed
Cnxn Id
Get CAN Identifier Field value that
denotes message to be received N/A,N/A,
N/A UINT16