SN EN 61131-3 : 1993
Current
The latest, up-to-date edition.
PROGRAMMABLE CONTROLLERS; PART 3: PROGRAMMING LANGUAGES
01-12-2013
1 General
1.1 Scope
1.2 Normative references
1.3 Definitions
1.4 Overview and general requirements
1.5 Compliance
2 Common elements
2.1 Use of printed characters
2.2 External representation of data
2.3 Data types
2.4 Variables
2.5 Program organization units
2.6 Sequential Function Chart (SFC) elements
2.7 Configuration elements
3 Textual languages
3.1 Common elements
3.2 Instruction List (IL)
3.3 Structured Text (ST)
4 Graphic languages
4.1 Common elements
4.2 Ladder Diagram (LD)
4.3 Function Block Diagram (FBD)
Annex A (normative) Specification method for textual languages
Annex B (normative) Formal specifications of language elements
Annex C (normative) Delimiters and keywords
Annex D (normative) Implementation-dependent parameters
Annex E (normative) Error conditions
Annex F (informative) Examples
Annex G (informative) Index
Annex ZA (normative) Normative references to international
publications with their corresponding European
publications
Index
Tables
Figures
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