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

Page 211: Instances, Class attributes, C-17

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DeviceNet Objects

C-17

20-COMM-D DeviceNet Adapter User Manual

Publication 20COMM-UM002G-EN-P

DPI Fault Object

Class Code

Products such as PowerFlex drives use this object for faults. Adapters use
this object for events.

Services

Instances

The number of instances depends on the maximum number of faults or
events supported in the queue. The maximum number of faults/events can
be read in Instance 0, Attribute 2.

Class Attributes

Hexadecimal Decimal
0x97

151

Service Code Implemented for:

Service Name

Class

Instance

0x0E

Yes

Yes

Get_Attribute_Single

0x10

Yes

No

Set_Attribute_Single

Instances (Hex.) (Dec.)

Device

Example Description

0x0000…0x3FFF 0…16383

Host

0

Class Attributes (Drive)

0x4000…0x43FF 16384…17407 Adapter

1

Most Recent Drive Fault

0x4400…0x47FF 17408…18431 DPI Port 1

2

Second Most Recent Drive Fault

0x4800…0x4BFF 18432…19455 DPI Port 2

0x4C00…0x4FFF 19456…20479 DPI Port 3

16384

Class Attributes (Adapter)

0x5000…0x53FF 20480…21503 DPI Port 4

16385

Most Recent Adapter Event

0x5400…0x57FF 21504…22527 DPI Port 5

0x5800…0x5BFF 22528…23551 DPI Port 6

Attribute ID

Access Rule Name

Data Type

Description

1

Get

Class Revision

WORD

Revision of object

2

Get

Number of Instances

WORD

Maximum number of faults/events that the

device can record in its queue

3

Set

Fault Command Write

BYTE

0 = No Operation

1 = Clear Fault/Event

2 = Clear Fault/Event Queue

3 = Reset Device

4

Get

Fault Trip Instance Read

WORD

Fault that tripped the device. For adapters,

this value is always 1 when faulted.

5

Get

Fault Data List

STRUCT of:

BYTE

BYTE

WORD[n]

Reserved

6

Get

Number of Recorded Faults WORD

Number of faults/events in the queue. A ‘0’

indicates the fault queue is empty.

7

Get

Fault Parameter Reference

WORD

Reserved

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