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Safety Integrity Level (SIL) & Performance Level (PL) Certification

Delivering real business benefits across key segments

Hardware and software safety systems in the industrial sector are becoming increasingly complex. Components are now sourced from multiple markets. In addition, development lifecycles have been significantly compressed. To mitigate these factors, your company must have a strategy for dealing with safety risks.

What is functional safety?

Functional safety is the aspect of a system’s overall safety that depends on the system or equipment operating correctly in response to its inputs. This includes the safe management of potential operator errors, environmental changes, and hardware and software failures. Functional safety is an additional step beyond the traditional product safety assessment, as it deals with complex and interconnected technologies.

Why is functional safety Important?

Companies operating in industrial environments are responsible for reducing safety risks to an acceptable level, including hazards caused by malfunctions of complex systems. Functional safety failures can result in serious liability claims. IEC 61508 is the standard governing functional safety worldwide as well as the derived standards: EN ISO 13849-1, IEC 62061, ISO 26262 and the EN 5012X series.

Why choose TÜV SÜD for functional safety?

TÜV SÜD offers extensive sector specific experience in functional safety issues. Our extensive suite of in-house services includes independent safety assessment, certification, knowledge services and training. We can serve as a testing and certification partner to help your company achieve compliance at an acceptable cost.


A complete portfolio of services for safety systems manufacturers:

  • Independent safety assessment - TÜV SÜD provides independent safety assessments during the development lifecycle. We conduct assessments though a combination of on-site inspections and documentation review, resulting in an independent safety assessment report.
  • Certification - Our experts can certify your product in accordance with IEC 61508 and all relevant sector-specific safety standards.
  • Knowledge services - We provide consulting services throughout the development lifecycle to help you design safer products. These services include concept analyses, verification of development documentation, qualitative and quantitative analyses, validation of generic products and applications, software development processes, and software analyses.
  • Training - TÜV SÜD conducts functional safety training programmes for your development teams.

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