: Long-time users (8+ years) have reported rare but catastrophic crashes in 2.3.9 where project files became unreadable, making external backups mandatory. Key Specifications for V2.3 XSoft-Codesys 2.3.9 Crashed, I can't load my project now
Since CODESYS 2.3.9 is legacy software (released around 2006-2008), it is no longer hosted on the official CODESYS website, which now focuses on version 3.5 and 4.x. codesys 2.3.9 download
| Problem | Likely Fix | |---------|-------------| | Installer crashes on Windows 10 | Use a 32-bit VM; the installer is 16-bit. | | Cannot connect to PLC | Check the gateway: CODESYS Gateway V2.3 must be running. | | Missing device | Download the correct from your PLC vendor. | | License expired | The 2-hour demo resets each time you start the PLC. For permanent use, buy a license via the PLC hardware key. | : Long-time users (8+ years) have reported rare
This review is not affiliated with or endorsed by the Codesys company. The information provided is based on publicly available data and our own research. | | Cannot connect to PLC | Check
Because CODESYS is a "white-label" product sold to hardware manufacturers, the most reliable source for CODESYS 2.3.9 is often the specific hardware vendor's website.
: A common complaint involves "login without download" issues when multiple developers work on the same project stored on a server. The IDE's reliance on timestamps can trigger a mandatory re-download even if no code changed, simply because the project was saved on a different local machine.