Owner manual

Publication 193-UM006A-EN-P – October 2005
DeviceNet Information B-7
Connection Object — CLASS CODE 0x0005
No class attributes are supported for the Connection Object. Multiple
instances of the Connection Object are supported, instances 2 and 4 from the
group 2 predefined master/slave connection set, and instances 5-7 are
available explicit UCMM connections.
Instance 2 is the Polled I/O Message Connection. The following instance 2
attributes are supported:
Table B.19 Connection Object Instance 2 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 1=I/O Connection
3 Get Transport Class Trigger USINT 0x82: Server, Transport Class 2
(If alloc_choice!=polled and ack suppression
is enabled, the value = 0x80)
4 Get Produced Connection ID UINT 01111xxxxxx
xxxxxx=node address
5 Get Consumed Connection ID UINT 10xxxxxx101
xxxxxx=node address
6 Get Initial Comm Characteristics USINT 0x21
7 Get Produced Connection Size UINT 0…8
8 Get Consumed Connection Size UINT 0…8
9 Get/Set Expected Packet Rate UINT in milliseconds
12 Get/Set Watchdog Action USINT 0=Transition to timed out
1=Auto deleted
2=Auto reset
13 Get Produced Connection Path Length UINT 8
14 Get/Set Produced Connection Path 21 04 00 25 (assy inst) 00 30 03
15 Get Consumed Connection Path Length UINT 8
16 Get/Set Consumed Connection Path 21 04 00 25 (assy inst) 00 30 03