Rockwell Automation 20-750-DNET PowerFlex DeviceNet Option Module - Manual (Page 117)

Rockwell Automation Publication 750COM-UM002B-EN-P - October 2012 117
DeviceNet Objects Appendix C
DPI Alarm Object Class Code
Products such as PowerFlex drives use this object for alarms or warnings. Option
modules do not support this object.
Services
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
Service Code Implemented for: Service Name
Class Instance
0x0E Yes Yes Get_Attribute_Single
0x10 Yes No Set_Attribute_Single
Instances Device Example Description
(Hex.) (Dec.)
0x0000…0x3FFF 0…16383 Host Drive 0 Class Attributes (Drive)
Only host devices can have alarms. 1 Most Recent Alarm
2 Second Most Recent Alarm
… …
Attribute ID Access Rule Name Data Type Description
1 Get Class Revision UINT Revision of object
2 Get Number of Instances UINT Maximum number of alarms that the
device can record in its queue
3 Set Alarm Command Write USINT 0 = No Operation
1 = Clear Alarm
2 = Clear Alarm Queue
3 = Reset Device
4 Get Alarm Data List STRUCT of:
USINT
USINT
UINT[n] Number of parameter instances
Pad byte (always zero)
Array of parameter instance numbers
5 Get Number of Recorded Alarms UINT Number of alarms in the queue. A ‘0’
indicates the alarm queue is empty.