Rockwell Automation 20-COMM-Q ControlNet Adapter - Manual (Page 212)

C-2 ControlNet Objects
20-COMM-C/Q ControlNet Adapter User Manual
Publication 20COMM-UM003F-EN-P
Identity Object Class Code
Services
Instances
The number of instances depends on the number of components in the
device connected to the adapter. This number of components can be read in
Instance 0, Attribute 2.
Class Attributes
Instance Attributes
Hexadecimal Decimal
0x01 1
Implemented for:
Service Code Class Instance Service Name
0x01 Yes Yes Get_Attributes_All
0x05 Yes Yes Reset
0x0E Yes Yes Get_Attribute_Single
Instance Description
0 Class
1 Host
2…15 Peripherals on Ports 1…14
Attribute ID Access Rule Name Data Type Description
2 Get Max Instance WORD Total number of instances
Attribute ID Access Rule Name Data Type Description
1 Get Vendor ID WORD 1 = Allen-Bradley
2 Get Device Type WORD 120 (20-COMM-C)
129 (20-COMM-Q)
3 Get Product Code WORD Number identifying product name and rating
4 Get Revision:
Major
Minor
STRUCT of:
BYTE
BYTE Value varies
Value varies
5 Get Status WORD Bit 0 = Owned
Bit 2 = Configured
Bit 10 = Recoverable fault
Bit 11 = Unrecoverable fault
6 Get Serial Number DWORD Unique 32-bit number
7 Get Product Name SHORT_STRING Product name and rating