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Your Software Partner for IEC 61508 Safety PLCs

The CODESYS Group is a real pioneer when it comes to integrating a whole range of different functionalities into one single tool. The integrated SIL2 and SIL3 Safety solutions in the standard IEC 61131-3 development tool CODESYS for example offer the complete functionality required for safe automation solutions:

  • Extensive know-how in compiler technology for 32-bit CPU architectures (CISC and RISC): A reliable execution of the Safety software is guaranteed.
  • Extensive field bus technology know-how with integrated solutions for almost all standard systems: The easiest to use and most reliable solution for combining safe and non-safe field buses.
  • The CODESYS Runtime System can easily be ported to different hardware and software platforms: Already available Safety solutions can be ported to new environments.
  • CODESYS is used for the most different types of applications and in all sorts of different industrial sectors, by machine builders, in mobile machines, on embedded systems, in the energy and process industries, in shipbuilding or in the aircraft industry.
  • Extensive know-how in the field of safe automation: Over the years, our specialized Safety team has successfully executed numerous customer projects and worked together with TÜV Süd / TÜV Rheinland / BGIA (German technical supervisory associations).
  • The Safety developers from the CODESYS Group know what is important when it comes to conducting a risk analysis, meeting the specified Safety requirements or creating certification documents.
  • We offer reliable services to help you realize your functional Safety projects efficiently and successfully.
  • We are familiar with the requirements of the certification institutes and can help you avoid errors and unnecessary iteration loops.

CODESYS Safety – Integrated Safety Solutions for all Areas of Application

Based on this experience, we can offer safety systems for the most different requirements:

  • CODESYS Safety - Develop your own SIL3 PLC with pre-certified IEC 61508 Safety software components programmable with CODESYS.
  • CODESYS Safety for EtherCAT Safety Module - If you do not have your own Safety PLC, simply implement your SIL3 Safety solution in CODESYS with decentralized EtherCAT® clamps.
  • CODESYS Safety SIL2 - Develop your own SIL2 Safety PLCs for example for mobile applications with pre-certified Safety software components programmable with the standard IEC 61131-3 development system.

How can you obtain CODESYS Safety?

You are a system integrator or a user in the machine/plant construction sector or the like: 

The add-on for EtherCAT controllers programmable with CODESYS „CODESYS Safety for EtherCAT Safety Module“ can be obtained in the CODESYS Store.

The device manufacturer you have bought your devices from has already implemented CODESYS Safety or CODESYS Safety SIL2 on your devices and you do not need a toolkit. 

Millions of CODESYS-compatible single devices and over 1,000 different device types from more than 500 manufacturers offer you a large range of hardware for your automation projects. CODESYS Inside offers a selection of manufacturers that offer CODESYS-compatible devices.

You are a manufacturer of programmable devices:

Implement the CODESYS Safety runtime toolkit for device manufacturers suitable for your specific safety solutions.


Integrated Safety Software certified according to DIN 61508 - suitable solutions for all SIL2 and SIL3 application areas

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Safety SIL2

Certified IEC 61131-3 Software for Functional Safety in Mobile Machines

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Safety for SIL3 devices

Certified IEC 61131-3 Software with SIL3 for functional Safety in the machine and plant automation industry.

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Safety for EtherCAT Safety Module

CODESYS Safety for EtherCAT Safety Module: Safe, ready-to-use automation solution with SIL3 and certified, decentralized EtherCAT® Module in the IEC 61131-3 Development System CODESYS.

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