
Rockwell Automation Publication 520COM-UM003A-EN-E - June 2013 129
Appendix C
EtherNet/IP Objects
Appendix C presents information about the EtherNet/IP objects that can be
accessed using Explicit Messages. For information on the format of Explicit
Messages and example ladder logic programs, see Using Explicit Messaging
on
page 73.
Supported Data Types
Object Class Code Page Object Class Code Page
Hex. Dec. Hex. Dec.
Identity Object
0x01 1 130 DPI Device Object 0x92 146 142
Assembly Object 0x04 4 132 DPI Parameter Object 0x93 147 145
Register Object 0x07 7 133 DPI Fault Object 0x97 151 151
Parameter Object 0x0F 15 136 TCP/IP Interface Object 0xF5 245 153
PCCC Object 0x67 103 139 Ethernet Link Object 0xF6 246 155
See the EtherNet/IP specification for more information about EtherNet/IP
objects. Information about the EtherNet/IP specification is available on the
ODVA web site (http://www.odva.org
).
Data Type Description
BOOL 8-bit value – low bit is true or false
BOOL[x] Array of n bits
CONTAINER 32-bit parameter value - sign extended if necessary
DINT 32-bit signed integer
INT 16-bit signed integer
LWORD 64-bit unsigned integer
REAL 32-bit floating point
SHORT_STRING Struct of: USINT length indicator (L); USINT[L] characters
SINT 8-bit signed integer
STRINGN Struct of: UINT character length indicator (W); UINT length indicator (L); USINT[W x L] string data
STRING[x] Array of n characters
STRUCT Structure name only – no size in addition to elements
TCHAR 8 or 16-bit character
UDINT 32-bit unsigned integer
UINT 16-bit unsigned integer
USINT 8-bit unsigned integer
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