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S2OPC is certified by the OPC Foundation

S2OPC is an open-source solution for OPC UA communications.

S2OPC, a safe and secure OPC UA implementation by Systerel.
S2OPC server application is certified for compliance with the OPC UA v1.04 standard by the OPC Foundation.

Designed to target the safety, and real-time constraints of embedded products.

Deployed on larger command-control or supervision systems for several years now.

Cybersecurity and Safety

The process applied to the development of S2OPC make this product compliant with a certification process at SIL2 level.


  • CSPN certification by ANSSI (ongoing)


  • IEC 61508 certifiable
  • EN50128 SIL2 certifiable


Tech corner

Find technical information related to the S2OPC product.

Architecture, development, security policies…



S2OPC is available as an open-source license in accordance with Apache 2.0 license policy.

It can be downloaded from



We offer professional services for all life cycle phases, from quick start service and training to long-term partnership in development and use of OPC and OPC UA based communication and control systems.


About Systerel

Systerel is an engineering company specialized in development, validation and evaluation of safety critical real-time systems.

With its “product + services” profile, Systerel’s expansion strategy is based on specific business know-how and strong technical and methodological skills to offer customers real added value services. Systerel’s main achievements concern embedded systems with hard real-time, safety or security requirements.
Systerel is also a techno-provider. It develops its own products, offering a range of innovative solutions designed to reduce development costs and time-to-market of its clients systems.


OPC Foundation Certified for Compliance logo is a trademark of the OPC Foundation and may be used only by written permission of the OPC Foundation. Any unauthorized use of the Certified for Compliance logo is prohibited.

OPC Foundation Certified for Compliance logo indicates that this product has been tested by an independent certification lab and certified to be compliant with the following OPC UA Profiles which are part of the OPC UA Specifications:

Nano Embedded Device Server
SecurityPolicy – Basic256
SecurityPolicy – Basic256Sha256
User Token-Anonymous Facet
User Token – User Name Password Server Facet

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