Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx - Manual (Page 213)

DeviceNet Objects C-19
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
DPI Alarm Object Class Code
Products such as PowerFlex drives use this object for alarms or warnings.
Adapters 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 (Hex.) (Dec.) Device Example Description
0x0000…0x3FFF 0…16383 Host 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 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.