Rockwell Automation Logix5000 Controllers IEC 61131-3 Compliance Programming Manual - Manual (Page 13)

Rockwell Automation Publication 1756-PM018C-EN-P - November 2012 13
IEC61131-3 Compliance Chapter 1
IEC Compliance Tables Logix5000 controllers and the Logix Designer application comply with the
requirements of IEC61131-3 for the following language features:
Table Number:
(1)
Feature Number: Feature Description: Extensions and Implementation Notes:
1 2 Lower case letters none
1 3a Number sign (#) Used for immediate value data type designation
1 4a Dollar sign ($) Used for description and string control character
1 6a Subscript delimiters ([ ]) Array subscripts
2 1 Identifiers using upper case and numbers Task, program, routine, structure and tag names
2 2 Identifiers using upper case, numbers, and embedded
underlines Task, program, routine, structure and tag names
2 3 Identifiers using upper and lower case, numbers and
embedded underlines Task, program, routine, structure and tag names
3 1 Comments ST Comments, also support /* Comment */, and // End of line
comments.
4 1 Integer literal 12, 0, -12
4 2 Real literal 12.5, -12.5
4 3 Real literal with exponents -1.34E-12, 1.234E6
4 4 Base 2 literal 2#0101_0101
4 5 Base 8 literal 8#377
4 6 Base 16 literal 16#FFE0
4 7 Boolean zero and one 0, 1
5 1A Empty String '' Descriptions, and String Editor
5 1B String of length one containing a character 'A' Descriptions, and String Editor
5 1C String of length one containing a space ' ' Descriptions, and String Editor
5 1D String of length one containing a single quote character '$'' Descriptions, and String Editor
5 1E String of length one containing a double quote character '"' Descriptions, and String Editor
5 1F String of length two containing CR and LF characters Descriptions, and String Editor
5 1G String of length one containing the LF character '$0A' Descriptions, and String Editor
5 1H String of length 5 which would print as "$1.00" using '$$1.00' Descriptions, and String Editor
5 1I Equivalent strings of length two 'AE', and '$C4$CB' Descriptions, and String Editor
6 2 String dollar sign '$$' Descriptions, and String Editor
6 3 String single quote '$'' Descriptions, and String Editor
6 4 String Line Feed '$L' or '$l' Descriptions, and String Editor
6 5 String New-line '$N' or '$n' Descriptions, and String Editor
6 6 String From Feed (page) '$P' or '$p' Descriptions, and String Editor
6 7 String Carriage return '$R' or '$r' Descriptions, and String Editor
6 8 String Tab '$T' or '$t' Descriptions, and String Editor
6 9 String double quote $" Descriptions, and String Editor
10 1 BOOL Data Type Tag variable definition
10 2 SINT Data Type Tag variable definition
10 3 INT Data Type Tag variable definition