C.11 dpi diagnostic object – Rockwell Automation RECOMM-ENET EtherNet/IP Communications Module User Manual
Page 165

EtherNet I/P Objects
C-29
C.11 DPI Diagnostic Object
Class Code
Instances
The number of instances depends on the maximum number of
diagnostic items in the device. The total number of diagnostic items
can be read in Instance 0, Attribute 2.
Class Attributes
Hexadecimal
Decimal
0x99
153
Instances (Hex.)
(Dec.)
Device
Example
Description
0x0000 – 0x3FFF 0 – 16383
Host
0
Class Attributes (Drive)
0x4000 – 0x43FF
16384 – 17407
Module
1
Drive Diagnostic Item 1
0x4400 – 0x47FF
17408 – 18431
DPI Port 1
2
Drive Diagnostic Item 2
0x4800 – 0x4BFF 18432 – 19455
DPI Port 2
…
…
0x4C00 – 0x4FFF
19456 – 20479
DPI Port 3
16384
Class Attributes (Module)
0x5000 – 0x53FF
20480 – 21503
DPI Port 4
16385
Module Diagnostic Item1
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
1
2
Get
Number of
Instances
WORD
Number of diagnostic items in the
device
3
Get
ENUM Offset
WORD
DPI ENUM object instance offset