NBN EN 61804-2 : 2007

INTRODUCTION
1 Scope
2 Normative references
3 Terms and definitions, abbreviated terms and acronyms, and
   conventions for lexical structures
   3.1 Terms and definitions
   3.2 Abbreviated terms and acronyms
   3.3 Conventions for lexical structures
4 General Function Block (FB) definition and EDD model
   4.1 Device structure (device model)
   4.2 Block combinations
   4.3 EDD and EDDL model
5 Detailed block definition
   5.1 General
   5.2 Application FBs
   5.3 Component FBs
   5.4 Technology Block
   5.5 Device (Resource) Block
   5.6 Algorithms common to all blocks
6 FB Environment
7 Mapping to System Management
8 Mapping to Communication
9 Electronic Device Description Language
   9.1 Overview
   9.2 EDD identification information
   9.3 BLOCK
   9.4 COLLECTION
   9.5 COMMAND
   9.6 CONNECTION
   9.7 DOMAIN
   9.8 EDIT_DISPLAY
   9.9 IMPORT
   9.10 LIKE
   9.11 MENU
   9.12 METHOD
   9.13 PROGRAM
   9.14 RECORD
   9.15 REFERENCE_ARRAY
   9.16 Relations
   9.17 RESPONSE_CODES
   9.18 VALUE_ARRAY
   9.19 VARIABLE
   9.20 VARIABLE_LIST
   9.21 Common attributes
   9.22 Output redirection (OPEN and CLOSE)
   9.23 Conditional expression
   9.24 Referencing
   9.25 Strings
   9.26 Expression
   9.27 Text dictionary
10 Conformance statement
Annex A (informative) Parameter description
Annex B (normative) IEC 61804 Conformance Declaration
Annex C (normative) EDDL Formal Definition
        C.1 EDDL Preprocessor
        C.2 Conventions
        C.3 Operators
        C.4 Keywords
        C.5 Terminals
        C.6 letter (letter|digit|_)*Formal EDDL syntax
Annex D (normative) EDDL Builtin Library
Annex E (informative) EDD Example
Annex F (normative) Profiles of EDDL and Builtins
        F.1 Profile of EDDL and Builtins
        F.2 Profiles for PROFIBUS
        F.3 Profiles for Fieldbus Foundation
        F.4 Profiles for HART Communication Foundation (HCF)
        F.5 Data types
Bibliography
Annex ZA Normative references to international publications
         with their corresponding European Publications

Applies to Function Blocks (FB) for process control and specifies the Electronic Device Description Language (EDDL). It specifies FB by using the result of harmonization work as regards several elements.