What is BS EN 61508:2011?

BS EN 61508:2011 is a technical standard that establishes guidelines for the functional safety of electrical, electronic, and programmable electronic safety-related systems. It provides a framework for managing risks associated with these systems to ensure their safe operation.

The Scope of BS EN 61508:2011

This standard applies to a wide range of industries and sectors where safety-related systems are used, including but not limited to, automotive, aerospace, nuclear, chemical, and pharmaceutical industries. It covers the entire lifecycle of safety-related systems, from concept and design through operation, maintenance, and decommissioning.

Key Concepts and Requirements of BS EN 61508:2011

BS EN 61508:2011 emphasizes the importance of systematic analysis, verification, and validation of safety-related systems. It introduces the concept of Safety Integrity Levels (SIL), which measure the reliability of a system in terms of its ability to perform safety functions when required. The standard also outlines requirements for management of functional safety throughout the entire lifecycle of systems, including development process, safety management, and documentation.

BS EN 61508:2011 places great importance on risk assessment and reduction, as well as the use of safety-related hardware and software. It requires systematic identification and evaluation of potential hazards, followed by implementation of measures to reduce risks to an acceptable level. This includes implementing redundant safety measures, such as backup systems, to minimize the probability of failure.

Compliance and Certification

Compliance with BS EN 61508:2011 is crucial for organizations involved in the development, manufacturing, and operation of safety-related systems. Adherence to this standard not only helps organizations meet legal and regulatory requirements but also fosters trust among customers and stakeholders. Certified compliance with BS EN 61508:2011 demonstrates an organization's commitment to functional safety best practices and provides assurance of system reliability and safety.