Rockwell Automation DeviceNet Communications Module - Manual (Page 118)

C-4 DeviceNet Communications Module
C.2 Connection Object
Class Code
Instances
Instance Attributes
Refer to the DeviceNet specification for more information.
Hexadecimal Decimal
0x05 5
Instance Description
1 Master-Slave Explicit Message Connection
2 Polled I/O Connection
4 Change of State/Cyclic Connection
6 – 10 Explicit Message Connection
Attribute
ID
Access
Rule Name
Data
Type Description
1 Get State USINT 0 = Nonexistent
1 = Configuring
2 = Waiting for connection ID
3 = Established
4 = Timed out
2 Get Instance Type USINT 0 = Explicit Message
1 = I/O Message
3 Get Transport
Class Trigger USINT The Transport Class Trigger for this
instance
4 Get Produced
Cnxn ID USINT CAN Identifier to transmit on
5 Get Consumed
Cnxn ID USINT CAN Identifier to receive on
6 Get Initial Comm
Char USINT Defines the DeviceNet message
groups that the tx/rx Cnxn’s apply
7 Get Produced
Cnxn Size UINT Max bytes to transmit across this
connection
8 Get Consumed
Cnxn Size UINT Max bytes to receive across this
connection
9 Get/Set EPR UINT Expected Packet Rate
(timer resolution = 2 ms)