Rockwell Automation MD65 EtherNet/IP Communication Module - Manual (Page 157)

EtherNet I/P Objects C-29
C.10 MDI 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 (Dec.) Single-Drive Mode Multi-Drive Mode
0 - 16383 Instances 0 - 16383 in the drive Instances 0 - 16383 in the drive
16384 - 17407 Instances 0 - 1023 in the module Instances 0 - 1023 in the module
17408 - 18431 Instances 0 - 1023 in the module Instances 0 - 1023 in Drive 1
18432 - 19455 Instances 0 - 1023 in the slave Instances 0 - 1023 in Drive 2
19456 - 20479 Not supported Instances 0 - 1023 in Drive 3
20480 - 21503 Not supported Instances 0 - 1023 in Drive 4
21504 - 22527 Not supported Instances 0 - 1023 in the module
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 MDI ENUM object instance offset