CoDeSys

CoDeSys, developed by 3S-Smart Software Solutions GmbH, has proven to be a versatile and robust PLC-programming system. The latest version, 3.5.18.200, maintains its reputation for efficiency by supporting all standard programming languages, while also enabling inclusion of C-routines and facilitating object-oriented programming. Given its compliance with the IEC 61131-3 standard, CoDeSys stands out in the Development Tools category, specifically under the IDE subcategory.

Users can expect broad compatibility with operating systems, ranging from Windows XP through Windows 11. This ensures that a wide array of users can utilize this software without worrying about OS restrictions. Previous iterations, such as 3.5, 3.4, and 2.3, reflect the program’s ongoing evolution, each version building on the last to provide enhanced functionality and user experience.

In the latest release, CoDeSys includes the executable files codehom21.exe, PLCWinNT24.exe, GatewaySysTray.exe, GatewayDDE.exe, and Gateway.exe, which contribute to the comprehensive and flexible nature of this development environment. Users will also appreciate its diverse aliases, including CoDeSys provided by Festo, CoDeSys Patch 1, and CoDeSys SP1, demonstrating its widespread use and adaptability in various industry settings.

Engineered for multi-device and multi-application programming, CoDeSys leverages a component-based structure. This approach permits customer-specific configuration and extensions to the user interface, making it a highly customizable solution for development tasks.

One of the key advantages of CoDeSys is its multi-faceted flexibility. Whether it’s the support for multiple standard programming languages or the ability to incorporate C-routines, users are provided with a comprehensive toolkit to meet their needs. Furthermore, the option to engage in object-oriented programming offers a modern approach to PLC programming.

However, complexity can sometimes be a downside. The learning curve for new users might be steep, particularly for those not familiar with PLC systems or CoDeSys’s specific terminology.

Pros:

• Broad compatibility across Windows OS versions
• Support for standard programming languages as well as C-routines
• Object-oriented programming capability
• Highly customizable and extendable user interface
• Compliant with the IEC 61131-3 standard
• Available for free download

Cons:

• Steeper learning curve for beginners
• Complexity might overwhelm new users

Overall, CoDeSys remains an invaluable tool in the Development Tools domain, offering a rich set of features for the experienced programmer’s arsenal. The availability for free download makes it accessible, and its robust capabilities ensure it meets professional standards.

It is not possible to confirm if there is a free download for this software available on the developer's website. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.

You may want to check out more software, such as CoDeSys OPC-Server or PcVue, which might be related to CoDeSys.