Programming Structured Text

ST (structured text) programming involves using the ST language to build algorithms. To do this, you enter data processing in the ST Editor.

Starting the ST Editor

Entering Assignment statements and Control Statements

Calling Functions and Function Blocks

Displaying the Contents of User-defined Functions and Function Blocks

Registering and Adding Variables

Editing Data Types

Jumping to a Variable Table

Entering Constants

Entering Comments

Copying, Pasting, and Deleting ST Elements

Indenting

Moving to a Specified Line

Bookmarks

Statement Error Displays

Splitting the View

Displaying Variable Comments