Rockwell Automation RECOMM-CNET ControlNet Communications Module - Manual (Page 144)

C-28 ControlNet Communications Module
C.9 DPI Alarm Object
Class Code
Products such as SP600 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
Hexadecimal Decimal
0x98 152
Number Description
0 Class Attributes
1 Most Recent Alarm
2 Second Most Recent Alarm
… …
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.