Dpi fault object, C-12 – Rockwell Automation 1769-SM1 Compact I/O to DPI/SCANport Module User Manual

Page 138

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C-12

CIP/DPI Objects

Class Code

Products such as PowerFlex drives use this object for faults. Modules 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

Number

Description

0

Class Attributes (Drive)

1

Most Recent Drive Fault/Event

2

Second Most Recent Drive Fault/Event

!

!

16384

Class Attributes (module)

16385

Most Recent module Fault/Event

!

!

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 modules,
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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