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 #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.

Eclipse 4diac Weekly #95

17 July, 2026

Update on what development happened across the Eclipse 4diac project in the week from July 10 to July 17, 2026.

This week enhances replay debugging with multi-device support and more flexible resource selection in 4diac IDE, while 4diac FORTE significantly refactors its management command parser for improved performance, robustness, and test coverage.

Eclipse 4diac Weekly #94

10 July, 2026

Update on what development happened across the Eclipse 4diac project in the week from July 03 to July 10, 2026.

This week brings improvements to monitoring, validation, and the Bulk Query Language in 4diac IDE, while 4diac FORTE takes the first step towards native EtherCAT support with the integration of the IgH EtherCAT Master.