Instruction Manual

C-2 DeviceNet Objects
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-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
0x05 Yes Yes Reset
0x0E Yes Yes Get_Attribute_Single
Instance Description
0Class
1 Entire device (DPI host)
2…7 DPI Peripherals on ports 1…6
Attribute ID Access Rule Name Data Type Description
2 Get Max Instance UINT Total number of instances
Attribute ID Access Rule Name Data Type Description
1 Get Vendor ID UINT 1 = Allen-Bradley
2 Get Device Type UINT 121
3 Get Product Code UINT Number identifying product name and rating
4 Get Revision:
Major
Minor
STRUCT of:
USINT
USINT
Value varies
Value varies
5 Get Status UINT Bit 0 = Owned
Bit 8 = Minor recoverable fault
Bit 10 = Major recoverable fault
6 Get Serial Number UDINT Unique 32-bit number
7 Get Product Name SHORT_STRING Product name and rating