Dpi fault object, Class code, Services – Rockwell Automation 20-COMM-D DeviceNet Adapter Series B FRN 2.xxx User Manual
Page 211: Instances, Class attributes, C-17
DeviceNet Objects
C-17
20-COMM-D DeviceNet Adapter User Manual
Publication 20COMM-UM002G-EN-P
DPI Fault Object
Class Code
Products such as PowerFlex drives use this object for faults. Adapters use
this object for events.
Services
Instances
The number of instances depends on the maximum number of faults or
events supported in the queue. The maximum number of faults/events can
be read in Instance 0, Attribute 2.
Class Attributes
Hexadecimal Decimal
0x97
151
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)
0x4000…0x43FF 16384…17407 Adapter
1
Most Recent Drive Fault
0x4400…0x47FF 17408…18431 DPI Port 1
2
Second Most Recent Drive Fault
0x4800…0x4BFF 18432…19455 DPI Port 2
…
…
0x4C00…0x4FFF 19456…20479 DPI Port 3
16384
Class Attributes (Adapter)
0x5000…0x53FF 20480…21503 DPI Port 4
16385
Most Recent Adapter Event
0x5400…0x57FF 21504…22527 DPI Port 5
…
…
0x5800…0x5BFF 22528…23551 DPI Port 6
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 faults/events that the
device can record in its queue
3
Set
Fault Command Write
BYTE
0 = No Operation
1 = Clear Fault/Event
2 = Clear Fault/Event Queue
3 = Reset Device
4
Get
Fault Trip Instance Read
WORD
Fault that tripped the device. For adapters,
this value is always 1 when faulted.
5
Get
Fault Data List
STRUCT of:
BYTE
BYTE
WORD[n]
Reserved
6
Get
Number of Recorded Faults WORD
Number of faults/events in the queue. A ‘0’
indicates the fault queue is empty.
7
Get
Fault Parameter Reference
WORD
Reserved