Instruction Manual
DeviceNet Objects C-3
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
Connection Object
Class Code
Services
Instances
Instance Attributes
See the DeviceNet specification for more information.
Hexadecimal Decimal
0x05 5
Implemented for:
Service Code Class Instance Service Name
0x0E Yes Yes Get_Attribute_Single
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 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 msec.)
12 Get/Set Watchdog Action USINT 0 = Transition to timed out
1 = Auto delete
2 = Auto reset
13 Get Produced Path Length UINT Number of bytes of data in the produced connection path
14 Get Produced Connection Path ARRAY of
UINT
Byte stream which defines Application objects whose data
is to be produced by this Connection object
15 Get Consumed Path Length UNIT Number of bytes of data in the consumed connection path
16 Get Consumed Connection Path ARRAY of
UINT
Byte stream which defines Application objects whose data
is to be consumed by this Connection object