CODESYS 2.3.9 represented a mature and polished version of the 2.x line, having benefited from numerous service packs (SP). While exact feature lists for each minor version are hard to find, the focus of these updates was on stability, bug fixes, and improved compatibility with a growing range of hardware targets. Search results indicate specific sub-versions like 2.3.9.36, 2.3.9.54, 2.3.9.63, and 2.3.9.66 were available, each addressing specific fixes and known limitations.
Download the appropriate target support package (TSP) from your PLC manufacturer. Use the CODESYS Target Installer tool (installed alongside the IDE) to browse, select, and install the .tnf or .trg files into your system registry. Communication Timeout Errors
Turck offers a specialized version of CODESYS 2.3.9 for their BL20/BL67 gateways. CODESYS 2.3.9.35 link Description: Specifically for BLxx-PG gateways. 3. OWEN (Russian Automation Supplier) codesys 2.3.9 download
Do not just save the .pro file. Go to File -> Archive -> Save/Send . This creates a zipped file containing the project file, referenced libraries, target configurations, and visualization files. Without an archive, opening the project on a different PC will result in missing library errors.
Check the support page of your specific PLC manufacturer (e.g., WAGO I/O-PRO, Eaton xSoft-CoDeSys). CODESYS 2
Avoid downloading CODESYS 2.3.9 from unverified third-party aggregators (general software download sites). Executable files from these sources may be unpatched or contain malware. Always prioritize vendor-hosted files or the official CODEYS Store archive.
All utilize architectures heavily derived from or built entirely within the CODESYS 2.3 echo system. 3. System Requirements and OS Compatibility Download the appropriate target support package (TSP) from
Once you have obtained the installer file, the installation process for CODESYS 2.3.9 is relatively straightforward, though it differs from the modern CODESYS Installer used for V3.5.
If you are searching for , you are likely maintaining or servicing an older industrial automation system. While the modern CODESYS (version 3.x) is the current standard, version 2.3.9 remains a critical tool for many legacy PLCs from manufacturers like Wago, Beckhoff (TwinCAT 2), Festo, and others.
A prompt will ask you to configure the initial Program Organization Unit (POU). Name it PLC_PRG , select (Program) as the type, and choose ST (Structured Text) or LD (Ladder Diagram) as the language. Click OK .