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.
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
DNP3 SL
December 02, 2025
Latest version: 2.0.0.0
Support for additional data types and events is added to complete support of DNP3 Level 1 for the outstation library.
Additionally support for implementing a DNP3 master will be added.
OPC DA Server SL
December 01, 2025
Latest version: 3.5.21.40
This version contains mainly bug fixes and some improvements in various product areas.
HMI SL
December 01, 2025
Latest version: 3.5.21.40
This version contains mainly bug fixes and some improvements in various product areas.
Training courses
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Technical support
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