
DeviceNet Information A-25
Publication 198-UM002A-EN-P December 2001
Connection Object
CLASS CODE 0x0005
No class attributes are supported for the Connection Object.
Five instances of the Connection Object are supported, instances 1, 2 and 4 from the group 2
predefined master/slave connection set, and instances 5 and 6 are available via explicit
UCMM connections.
Instance 1 is the Predefined Group 2 Connection Set Explicit Message Connection. The
following instance 1 attributes are supported:
Table A.45 Instance 1 Attributes
Attribute ID Access Rule Name Data Type
Value
1 Get State USINT 0=nonexistant
1=configuring
3=established
4=timed out
2 Get Instance Type USINT 0=Explicit Message
3 Get Transport Class Trigger USINT 0x83 - Server, Transport
Class 3
4 Get Produced Connection ID UINT 1 0 xxxxxx0 11
xxxxxx=node address
5 Get Consumed Connection ID UINT 1 0 xxxxxx1 00
xxxxxx=node address
6 Get Initial Comm Characteristics USINT 0x22
7 Get Produced Connection Size UINT 0x61
8 Get Consumed Connection Size UINT 0x61
9 Get/ Set Expected Packet Rate UINT in milliseconds
12 Get Watchdog Action USINT 01 = auto delete
03 = deferred delete
13 Get Produced Connection Path
Length
UINT 0
14 Get Produced Connection Path Empty
15 Get Consumed Connection Path
Length
UINT 0
16 Get Consumed Connection Path Empty
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