Dpi fault object, Class code, Instances – Rockwell Automation 22-COMM-E EtherNet/IP Adapter User Manual

Page 140: Class attributes

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EtherNet/IP Objects

Class Code



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

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

DPI Fault Object

Hexadecimal

Decimal

0x97

151

Instances (Dec.) Single-Drive Mode

Multi-Drive Mode

0 – 16383

Instances 0 – 16383 in the drive

Instances 0 – 16383 in Drive 0

16384 – 17407

Instances 0 – 1023 in the adapter

Instances 0 – 1023 in the adapter

17408 – 18431

Instances 0 – 1023 in the adapter

Instances 0 – 1023 in Drive 1

18432 – 19455

Instances 0 – 1023 in the slave

Instances 0 – 1023 in Drive 2

19456 – 20479

Not supported

Instances 0 – 1023 in Drive 3

20480 – 21503

Not supported

Instances 0 – 1023 in Drive 4

21504 – 22527

Not supported

Instances 0 – 1023 in the adapter

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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