User Manual

Rockwell Automation Publication 193-UM002I-EN-P - December 2011 235
DeviceNet™ Information Appendix B
Table 78 - DeviceNet Object Class Attributes
A single instance (instance 1) of the DeviceNet Object is supported. The
following instance attributes are supported.
Table 79 - DeviceNet Object Instance Attributes
The following services are implemented for the DeviceNet Object.
Table 80 - DeviceNet Object Common Services
Assembly Object – Class
Code 0x04
The following class attributes will be supported for the Assembly Object.
Table 81 - Assembly Object Class Attributes
The following static assembly instance attributes will be supported for each
assembly instance.
Attribute ID Access Rule Name Data Type Value
1 Get Revision UINT 2
Attribute ID Access Rule Name Data Type Value
1 Get/Set MAC ID USINT 0...63
2 Get/Set Baud Rate USINT 0 = 125 kbaud
1 = 250 kbaud
2 = 500 kbaud
5 Get Allocation Information:
Allocation’s Choice Byte
Master’s MAC ID
Structure of:
BYTE
USINT
Allocation byte ➊
0...63 = address
255 = unallocated
➊ Allocation byte: Bit 0 — Explicit Messaging
Bit 1 — Polled I/O
Bit 4 — Change of State I/O
Bit 5 — Cyclic I/O
Bit 6 — Acknowledge Suppress I/O
Service
Code
Implemented for:
Service NameClass Instance
0x0E Yes Yes Get_Attribute_Single
0x10 No Yes Set_Attribute_Single
0x4B No Yes Allocate_Master/Slave_Connection_Set
0x4C No Yes Release_Master/Slave_Connection_Set
Attribute ID Access Rule Name Data Type Value
2 Get Max Instance UINT