The Automation Platform architecture contains several system instances that are mandatory, like Object Manager, Language Model Manager, and so on. All these instances have in common that they are automatically initialized as singletons during startup.

This article describes how to update an existing device in the project tree, using a different device description.

The SubversionIntegration plugin tries to integrate into CoDeSys in a non-intrusive way. Existing objects can be versioned without any modification. However, there are some object behaviours and properties which can cause negative side effects. Following the suggestions in this article can help to eliminate (or minimize) those effects.

This article describes how to expose plugin functionality to python scripts. It is assumed that the reader already knows how to create plug-in and interface components, and has basic knowledge of how to write python scripts for CODESYS.

Every CODESYS user knows the dialog that appears when a new project is created. A categorized list of project templates will be offered to you, and depending on the selected template, either a project or a library will be created, either with or without predefined content, and either with interactive questions or silently. This article now describes how this list of templates can be extended by your own items.

This article describes how to programmatically access the user and rights management that is part of the Automation Platform.

This article demonstrates how to create a control that can be integrated within the CoDeSys device editor and which is able to alter some parameters of a device. Furthermore, the corresponding device description is also explained.

The Option Storage is one of the core components of the Automation Platform architecture, and it is accessible as a system interface. This article describes the typical design pattern used to read and write those option values.

This article presents a menu command that reads a text file from disk and creates a corresponding global variable list object below the selected application.

This article describes how a new plug-in component is created. It is assumed that you use Microsoft Visual Studio 2005, 2008, or 2010.