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Dpi alarm object, C-14 – Rockwell Automation 1769-SM1 Compact I/O to DPI/SCANport Module User Manual

Page 140

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C-14

CIP/DPI Objects

Class Code

Products such as PowerFlex drives use this object for alarms or
warnings. Modules do not support this object.

Instances

The number of instances depends on the maximum number of alarms
supported by the queue. The maximum number of alarms can be read in
Instance 0, Attribute 2.

Class Attributes

DPI Alarm Object

Hexadecimal Decimal
0x98

152

Number

Description

0

Class Attributes

1

Most Recent Alarm

2

Second Most Recent Alarm

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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 alarms that the
device can record in its queue

3

Set

Alarm Command
Write

BYTE

0 = No Operation
1 = Clear Alarm
2 = Clear Alarm Queue
3 = Reset Device

4

Get

Fault Data List

STRUCT of:

BYTE
BYTE
WORD[n]

Reserved

5

Get

Number of
Recorded Alarms

WORD

Number of alarms in the queue. A “0”
indicates the alarm queue is empty.