Rockwell Automation 20-COMM-R Remote I/O Adapter - Manual (Page 103)

CIP Objects C-17
20-COMM-R Remote I/O Adapter User Manual
Publication 20COMM-UM004D-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.
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
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 Read Only Class Revision WORD Revision of object
2 Read Only Number of
Instances
WORD Maximum number of alarms that the
device can record in its queue
3 Write Alarm Command
Write
BYTE 0 = No Operation
1 = Clear Alarm
2 = Clear Alarm Queue
3 = Reset Device
4 Read Only Fault Data List STRUCT of:
BYTE
BYTE
WORD[n]
Reserved
5 Read Only Number of
Recorded Alarms
WORD Number of alarms in the queue. A ‘0’
indicates the alarm queue is empty.