136 Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017
Appendix D EtherNet/IP Objects
Identity Object
The number of instances depends on the number of components in the
device that is connected to the interface. This number of components
can be read in Instance 0, Attribute 2.
I
UDINT 32-bit unsigned integer
UINT 16-bit unsigned integer
USINT 8-bit unsigned integer
Table 26 - Supported Data Types (continued)
Data Type Description
Table 27 - Identity Object: Class Code
Hexadecimal Decimal
0x01 1
Table 28 - Identity Object: Services
Implemented for
Service Code Class Instance Service Name
0x05 No Yes Reset
0x0E Yes Yes Get_Attribute_Single
0x01 Yes Yes Get_Attributes_All
Table 29 - Identity Object: Instances
Instance Description
0Class
1 Host
2…15 Peripherals on Ports 1…14
Table 30 - Identity Object: Class Attributes
Attribute ID Access Rule Name Data Type Description
2 Get Max Instance UINT Total number of instances
Table 31 - Identity Objects: Instance Attributes
Attribute ID Access Rule Name Data Type Description
1 Get Vendor ID UINT 1 = Allen-Bradley®
2 Get Device Type UINT 143
3 Get Product Code UINT Number that identifies the product
name and rating
4 Get Revision:
Major
Minor
STRUCT of:
USINT
USINT
Value varies
Value varies