Analyzation Library Documentation

Company

System

Title

Analyzation

Version

4.1.0.0

Description [1]

Analysis of expressions with the Analyzation library

This library provides modules for the analysis of expressions. If a composed expression is FALSE, those of its components can be evaluated which are adding to this result. In the SFC-Editor the flag SFCErrorAnalyzationTable uses this function implicitely for the analysis of expressions in transitions.

Example of an expression:

b OR NOT(y < x) OR NOT (NOT d AND e)

The functions:

The following variables are used by all modules:

InputExpr: BOOL, expression to be analysed

DoAnalyze: BOOL, TRUE starts analysis

ExpResult: BOOL, current value of the expression

Result of the analyzation:

AnalyzeExpression returns in a string the components of the expression, which are adding to the total value FALSE.

OutString: STRING, Result of the analysis, Sequence of the concerned components of the expression (e.g. y < x | d)

AnalyseExpressionTable writes the components of the expression, which are adding to the total value FALSE, to an array. For each component the following information is provided by structure ExpressionResult: name, address, comment, (current)value.

OutTable: ARRAY [0..15] OF ExpressionResult;

e.g..

Figure 1: SFC settings

Figure 2: SFC analyzation example

AnalyseExpressionCombined combines the functionalities of AnalyzeExpression plus AnalyseExpressionTable

Indices and tables

[1]	Based on Analyzation.library, last modified 28.10.2021, 08:36:40. LibDoc 4.0.0.0 The content file Analyzation.clean.json was generated with CODESYS V3.5 SP16 Patch 3 on 28.10.2021, 08:36:41.