Designating Identifiers Identifiers are names of variables and programming objects (for example programs, function blocks, and methods) and names of other objects of the application and project. There

UTF-8 Encoding Basics Applications in CODESYS can process a wide variety of characters, for example, to output an error message in various languages. Or to display visualizations in a language selecte

Declaration of Variables Variable declaration: Where and how? You can declare variables at the following locations: Declaration part of a POU The Declare Variable dialog helps you with this. Tip If yo

Using the Declaration Editor The declaration editor is used for declaring variables in the variable lists and POUs. The declaration editor offers two possible views: textual view and tabular view. In

Dialog: Using the Declare Variable Requirement: A programming object (POU or GVL) of a project is open. Click Edit → Auto Declare . The Declare Variable dialog opens. Select the desired scope for the

Declaring Arrays Requirement: A programming object (POU or GVL) of a project is open. Click Edit → Auto Declare . The Declare Variable dialog opens. Select the desired scope for the array from the Sco

Declaring Global Variables Declaring global variables which are available within the application Requirement: A project is open. In the Device tree of your project, select the application in which the

Using Tasklocal Variables Tasklocal variables are cycle-consistent. In a task cycle, they are written only by a defined task, while all other tasks have read-only access. It is taken into account that

Creating Source Code in IEC Source code: By "source code", we mean the implementation code which you insert into the POUs by means of the respective programming language editors. The following POU typ

Finding Declarations CODESYS provides the capability of searching the entire project for the definition location of a variable or function. The block that includes the definition opens in the editor w