Identity object, Class code, Services – Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx User Manual

Page 196: Instances, Class attributes, Instance attributes

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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

0

Class

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

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