Rockwell Automation Publication 750COM-UM009A-EN-P - May 2017 135
Appendix D
EtherNet/IP Objects
This appendix 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 Chapter 5
, Using Explicit
Messaging.
Supported Data Types
Object Class Code Page Object Class Code Page
Hex. Dec. Hex. Dec.
Identity Object 0x01 1 136 DPI Alarm Object 0x98 152 156
Assembly Object 0x04 4 137 DPI Diagnostic Object 0x99 153 158
PCCC Object 0x67 103 138 DPI Time Object 0x9B 155 159
DPI Device Object 0x92 146 142 Host DPI Parameter Object 0x9F 159 163
DPI Parameter Object 0x93 147 145 TCP/IP Interface Object 0xF5 245 171
DPI Fault Object 0x97 151 154 Ethernet Link Object 0xF6 246 173
TIP See the EtherNet/IP specification for more information about EtherNet/IP
objects. Information about the EtherNet/IP specification is available on the
ODVA website (http://www.odva.org
).
Table 26 - Supported Data Types
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 that is 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 and elements
TCHAR 8-bit or 16-bit character