Structured Text (ST) / Instruction List (IL) Editor

The ST / IL editor is a powerful language sensitive text editor dedicated to IEC 61131-3 languages. The editor supports advanced graphic features such as drag and drop, syntax coloring and active tooltips for efficient input and test of programs in ST and IL.

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The ST / IL editor also supports context sensitive help. Place the caret on a keyword or on the name of function or function block and hit F1 key to get help about the text.

You can use the following commands of the vertical toolbar:

Parameter	Description
Auto completion	Opens the dialog to create or insert a variable at the current cursor position. You can also open the dialog via pressing Ctrl + Space. When the dialog opens, there are three options: Only one variable with the used prefix exists: the prefix will be replaced with the whole variable name Several variables with the used prefix exist: they will be listed as proposal for the replacement. Select the desired variable. No variable with the used prefix exists: all available variables from the variable editor are shown.
Insert FB	Opens the Select dialog, to insert a function block.
List Key Words	Opens a dialog to select content, which should be added to the program: #define (definitons) Keywords and functions Variables: (all)
Insert comment line (Ctrl+ K)	Changes an entry to a comment.
Remove comment (Ctrl + Shift + K)	Changes a comment to a normal entry.
Show Value in Text	If enabled, the value of a variable is shown next to its name in the code.
Show Expression	Allows to see a alternative graphical view for regular expressions in the code. Select the expression and press Show Expression to open a popup window that shows the expression in a graphical view.
Indent text	Indents the selected text.
Group/Ungroup Lines	Allows to group or ungroup text lines, based on used control structures (e.g. IF-ELSE) or multi-line comments. Grouped lines can be collapsed and expanded in the editors display.

Structured Text (ST) / Instruction List (IL) Editor

IEC 61131-3 Automation platform > IEC 61131-3 Programming Environment > Editing programs > Structured Text (ST) / Instruction List (IL) Editor

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