
208 Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013
Appendix C EtherNet/IP Objects
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
Instance Attributes
Instances (Hex.) (Dec.) Device Example Description
0x0000…0x3FFF 0…16383 Host 0 Class Attributes (Drive)
0x4000…0x43FF 16384…17407 Adapter 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 (Adapter)
0x5000…0x53FF 20480…21503 DPI Port 4 16385 Adapter 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
Attribute ID Access Rule Name Data Type Description
0 Get Full/All Information STRUCT of:
BOOL[32]
CONTAINER
(1)
CONTAINER
CONTAINER
CONTAINER
WORD
WORD
STRING[4]
WORD
WORD
WORD
INT
DWORD
STRING[16]
Descriptor (see page 202
)
Value
Minimum value
Maximum value
Default value
Pad Word
Pad Word
Units (for example, Amp, Hz)
Multiplier
(2)
Divisor
(2)
Base
(2)
Offset
(2)
Link (source of the value) (0 = no link)
Diagnostic name text
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