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The comprehensive software suite for automation technology
Independent of device manufacturers
The basis:
- The "CODESYS Development System" programming tool, which implements the international IEC 61131-3 standard.
- The control software ("PLC runtime system" or "SoftPLC" or "virtual PLC") for different device platforms.
With CODESYS, you can freely select the optimum hardware for your automation application. Many classic automation providers have already implemented CODESYS. Or you can use standard device platforms on which you simply install or deploy the appropriate control software. With virtual controllers, you can even use powerful IT hardware for control and thus reduce hardware costs.
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CODESYS in Use
CODESYS in factory automation, mobile machinery, the energy industry, embedded devices, process and building automation.
Lissmac & Christ
Flexibility and independence with the WebVisu from CODESYS
With CODESYS, Lissmac was able to achieve maximum independence from device manufacturers. The development of a new user interface based on Lissmac CI was very simple. With WebVisu, diagnostic data can be retrieved globally and in real time via remote access.
Products used:
- CODESYS Engineering
- CODESYS Visualization
CODESYS Ecosystem – the heart of your automation solution
CODESYS Releases
Security Agent
October 29, 2026
Latest version: 1.6.0.0
Cross-Version Compatibility
- Consistent Certificate Workflows: Standardized the CSR creation process and file encoding to ensure identical behavior when managing certificates on every runtime.
- Reliable Generation Feedback: Implemented fallback verification for CSR creation on older runtimes, ensuring accurate success confirmation even on systems without new status reporting.
Certificate Management
- CSR Key Length Selection: Users can now specify the RSA key length in the CSR dialog; available options are automatically filtered based on the device's minimum key length requirements.
- Improved CSR Reliability: Fixed issues where CSR creation failed for high-security configurations (RSAMinKeyLen > 2048) and added a progress indicator during generation.
Control for WAGO Touch Panels 600 SL
October 22, 2026
Latest version: 4.23.0.0
-Update to runtime SDK V3.5 SP22 Patch 4
-Update to Safe Control Core 4.3.0.0
-Support of ARM64 and x64 devices for the Virtual Safe Control
-new CODESYS Safe Control SL package, containing native SIL3 safety runtimes (split from Virtual Safe Control packge, now only containing containerized products)
-docker compose support for the Virtual Control
Control for Raspberry Pi SL
October 22, 2026
Latest version: 4.23.0.0
-Update to runtime SDK V3.5 SP22 Patch 4
-Update to Safe Control Core 4.3.0.0
-Support of ARM64 and x64 devices for the Virtual Safe Control
-new CODESYS Safe Control SL package, containing native SIL3 safety runtimes (split from Virtual Safe Control packge, now only containing containerized products)
-docker compose support for the Virtual Control
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