Allen-Bradley 1444-TSCX02-02RB - Page 546

546 Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
Appendix A CIP Objects
Data Types
Type Description Data
BOOL Boolean 1 byte
SINT Short Integer 1 byte: -128…127
INT Integer 2 bytes: -32768…32767
DINT Double Integer 4 bytes: -2
31
…2
31
-1
LINT Long Integer 8 bytes: -2
63
…2
63
-1
USINT Unsigned Short Integer 1 byte: 0…255
UINT, UINT16 Unsigned Integer 2 bytes: 0…65535
UDINT, UINT32 Unsigned Double Integer 4 bytes: 0…2
32
-1
ULINT Unsigned Long Integer 8 bytes: 0…2
64
-1
REAL Floating Point 4 bytes: IEEE 754
DATE Date Only 2 bytes: 1972-01-01 + 65536 day…2151-06-06
TIME_OF_DAY (TOD) Time of Day 4 bytes: 1 msec resolution
SHORT_STRING Character String (1 byte per character, 1 byte length indicator) 1 byte count header + 1*count byte sequence
STRINGI International Character String Structure
BYTE Bit String 8 bits
WORD Bit String 16 bits
DWORD Bit String 32 bits
ENGUNIT Engineering Unit