CODESYS® is the leading manufacturer-independent IEC 61131-3 automation software for engineering control systems.


CODESYS Virtual Safe Control SL: Product of the Year 2024

The readers of the German trade magazine "Computer & Automation" have voted for their Product of the Year 2024:

In the "Control and Engineering" category, the first place goes to CODESYS Virtual Safe Control SL. Our new product will soon allow for SIL3-certified safety controllers to be implemented - without certified hardware. Other features of the winning product: Dual-channel execution via coded processing, hardware independence on any architecture with container - if required multiple times on one single hardware and with scalable performance.

CODESYS Virtual Safe Control SL will be available from end-2024.

We thank everyone who gave us their vote!


Release and update feed

CODESYS Visualization Support

Release Notes » // Teaser Notes »
The new version can be downloaded and installed directly with the CODESYS Installer.

Security update: CODESYS Security Advisories 2024-02 and 2024-03

CODESYS V3.5 SP20 Patch 1 fixes the vulnerabilities described in the following CODESYS Security Advisories:

CODESYS Security Advisory 2024-02

CODESYS V3.5 SP20 Patch 1

Release Notes » // Teaser Notes »
All product updates are now available in the CODESYS Store or in the CODESYS Installer. Please find the...


CODESYS V3.5 SP20: Wrap-up Q1/2024

In this new video, Roland Wagner, our Head of Product Marketing, explains important releases and updates to our new Service Pack.

The changes involve the Engineering, Runtime, Visualization, Motion/CNC/Robotics, Fieldbus, and Communication product areas. You will also find important information about the new lifecycle management in CODESYS. And you will find out which important public award CODESYS Virtual Safe Control SL has won. In 10 minutes, you will learn the latest important news about CODESYS. If you want to know in detail and have more time, take a look at the Feature Briefing Spring 2024.


Good to know
C code | Part 5/5: Using the C library in your CODESYS project

CODESYS video series: How to add C code to an IEC application with process separation? 

This video shows how to add the library with implemented C code into the CODESYS Library Manager and how to use it in your IEC application, including execution...

Screenshot CODESYS