Instances, Class attributes – Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual
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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
205
EtherNet/IP Objects Appendix C
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
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]
Number of faults/events in the queue. A ‘0’ indicates
the fault queue is empty.
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
Number of faults/events in the queue. A ‘0’ indicates
the fault queue is empty.