Download ((hot)): Codesys 2.3.9

Select the latest service pack (typically listed as V2.3.9.x). Click to get the official installer package. 2. Device Manufacturer Portals

Choose your installation path (the default C:\Program Files (x86)\3S CODESYS is standard).

For all new projects, the only logical choice is to use the current version of CODESYS, . It is free to download and use for development and simulation from the official CODESYS Store ( store.codesys.com ). codesys 2.3.9 download

Unlike modern software, the CODESYS Group does not publicly host V2.3.9 on their main website anymore (they promote V3.5). However, several exist:

Before jumping into the details, it is important to understand the current official status of CODESYS V2.3.9. This version entered the , meaning it is no longer sold for new projects, nor is it actively maintained by the manufacturer. It is now generally categorized as a discontinued product. Consequently, you will not find it for direct download on the main CODESYS website (store.codesys.com) . This is a critical point: the company has shifted all its focus to the modern CODESYS V3 ecosystem, and the V2.3 versions are generally no longer available for public download. Select the latest service pack (typically listed as V2

Technical Guide: Acquisition and Deployment of CODESYS Version 2.3.9

Many robust PLCs and controllers still in production or active service use the CoDeSys V2.3 runtime engine. Upgrading to V3 is often impossible due to hardware architecture constraints. Unlike modern software, the CODESYS Group does not

CoDeSys 2.3 requires specific hardware configuration files (called Targets) provided by your PLC manufacturer. The base download from CODESYS will not include these proprietary manufacturer profiles. Where to Download CoDeSys 2.3.9 Safely

Avoid long directory structures or special characters in your project folder paths, as older versions of CoDeSys can sometimes encounter issues parsing them.