What Is Eclipse 4diac™?

Eclipse 4diac™ Provides an Open Source Infrastructure for
distributed Industrial Process Measurement and Control Systems
based on the IEC 61499 Standard.

design once use everywhere

Eclipse 4diac Virtual Community Meetings

Join us for a discussion on IEC 61499 and Eclipse 4diac. We welcome interested participants from all background, whether seasoned developer or interested newcomer. We will demonstrate new developments in Eclipse 4diac, outline our development roadmap, and provide enough room for questions and answers with the project team of Eclipse 4diac.

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Eclipse 4diac provides

IEC 61499 Engineering Tool 4diac IDE Real-time Capable IEC 61499 Execution Environment 4diac FORTE Easy to use Build Environment for 4diac FORTE 4diac FBE IEC 61499 Function Block Library 4diac LIB IEC 61499 example systems 4diac SYS

Latest News

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Eclipse 4diac Weekly #98

7 August, 2026

Update on what development happened across the Eclipse 4diac project in the week from July 31 to August 7, 2026.

This week focused on improving library management, deployment, and project validation in 4diac IDE, while 4diac FORTE gained enhanced communication support and fixes for OPC UA deployment and adapter handling.

Eclipse 4diac Weekly #97

31 July, 2026

Update on what development happened across the Eclipse 4diac project in the week from July 24 to July 31, 2026.

This week focused on improving library management and editing workflows with a first redesign of the Manifest Editor, while also expanding support for simple function block editing, replay debugging, and overall 4diac IDE robustness.

Eclipse 4diac Weekly #96

24 July, 2026

Update on what development happened across the Eclipse 4diac project in the week from July 17 to July 24, 2026.

This week brings major improvements to project and library management, introduces ECC state breakpoints for debugging in the 4diac IDE, and continues the EtherCAT integration in 4diac FORTE.