Manual
Rockwell Automation Publication 750COM-UM003B-EN-P - November 2012 105
Appendix C
ControlNet Objects
This appendix presents information about the ControlNet objects that can be
accessed using Explicit Messages.
For information on the format of Explicit
Messages and example ladder logic programs, see Chapter 6
, Using Explicit
Messaging.
Supported Data Types
Object Class Code Page Object Class Code Page
Hex. Dec. Hex. Dec.
Identity Object
0x01 1 106 DPI Fault Object 0x97 151 121
Assembly Object 0x05 5 107 DPI Alarm Object 0x98 152 123
Register Object 0x07 7 108 DPI Diagnostic Object 0x99 153 125
PCCC Object 0x67 103 109 DPI Time Object 0x9B 155 127
DPI Device Object 0x92 146 112 Host DPI Parameter Object 0x9F 159 129
DPI Parameter Object 0x93 147 115
TIP
See the ControlNet specification for more information about ControlNet
objects. Information about the ControlNet specification is available on the
ControlNet website (http://www.controlnet.org
).
Data Type Description
BOOL 8-bit value -- low bit is true or false
BOOL[x] Array of x 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 x 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