I can provide the exact target files or migration steps based on your setup. Share public link
Troubleshooting steps for in Windows 11.
The ideal operating systems for CODESYS 2.3 are legacy ones like (32-bit preferred). It can run on Windows 10 or 11 (32/64 bit), but there are warnings that it may cause a Blue Screen of Death (BSOD) depending on your hardware and driver configurations. Therefore, running it inside a Windows 7 Virtual Machine (e.g., using VirtualBox or VMware) is the safest approach for modern PCs. codesys 2.3.9 download
For most users, the eventual migration to CODESYS V3.5 is unavoidable. However, as long as your hardware requires V2.3, this guide provides everything you need to obtain, install, and run CODESYS 2.3.9 successfully. Keep a copy of the installer and your target support packages in a safe place – they are the keys to keeping your legacy automation equipment running for years to come.
: Execute the .exe file. If using a branded version (like WAGO or Eaton), the installer will typically include the base CODESYS IDE plus that manufacturer’s specific device targets. I can provide the exact target files or
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As a last resort, you can use the Internet Archive’s Wayback Machine to retrieve old versions of the CODESYS website. For example, the URL http://www.codesys.com/download from around 2010–2012 often still has downloadable .exe files. The official filename for the V2.3.9 installer is usually something like CoDeSys_v23916.exe (the last two digits indicate the build number). It can run on Windows 10 or 11
Finding an official installer for CoDeSys 2.3.9 can be tricky because the CODESYS Store focuses on the latest V3 releases.
: Check the support section of your specific PLC manufacturer, as they typically provide a customized version with their specific targets. CODESYS Store : While the CODESYS Store primarily focuses on
| Component | Description | |---------------------------|-------------| | | The full programming system for PLCs. | | CoDeSys SP RTE | A soft‑PLC for Windows with hard real‑time properties (demo version runs 1 hour, restartable). | | CoDeSys HMI | A Windows runtime for visualizations created in CoDeSys (also 1‑hour demo mode). | | CoDeSys ENI Server | An engineering server supporting multi‑user operation and version control (limited to a local database in demo mode). | | CoDeSys SoftMotion | Integrated motion control libraries (fully functional for 30 days in demo mode). |