Allen-Bradley 22-COMM-E FRN 1.xxx, User Manual

Page: 113 / 166

Appendix
C
EtherNet/IP Objects
Appendix C provides 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, refer to
Chapter 6 , Using Explicit Messaging .
Supported Data Types
Object
Class Code
Page Object
Class Code
Page Hex. Dec. Hex. Dec.
Identity Object 0x01 1 C-2 DPI Device Object 0x92 146 C-21
Assembly Object 0x04 4 C-4 DPI Parameter Object 0x93 147 C-24
Register Object 0x07 7 C-6 DPI Fault Object 0x97 151 C-28
Parameter Object 0x0F 15 C-9 DPI Diagnostic Object 0x99 153 C-30
Parameter Group Object 0x10 16 C-13 TCP/IP Interface Object 0xF5 245 C-32
PCCC Object 0x67 103 C-15 Ethernet Link Object 0xF6 246 C-34
TIP: Refer to 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
BYTE 8-bit unsigned integer
WORD 16-bit unsigned integer
DWORD 32-bit unsigned integer
LWORD 64-bit unsigned integer
SINT 8-bit signed integer
USINT 8-bit unsigned integer
INT 16-bit signed integer
UINT 16-bit unsigned integer
DINT 32-bit signed integer
UDINT 32-bit unsigned integer
BOOL 8-bit value -- low bit is true or false
BOOL[n] Array of n bits
STRING[n] Array of n characters
SHORT_STRING 1-byte length ind that many characters
STRUCT Structure name only - no size in addition to elements
CONTAINER 32-bit parameter value - sign extended if necessary
TCHAR 8 or 16-bit character
REAL 32-bit floating point