standards comparison: usa and europe

Europe and US maintain distinct machine safety standards, but a migration is beginning.

National laws of the European Union (EU) require that machines meet Essential Health and Safety Requirements (EHSR)

All new machinery must fulfill the same legal requirements when supplied throughout the EU.

Defines the Essential Health & Safety Requirements (EHSR)

Ensures that a machine is designed and constructed to be safe so that it can be used, configured, and maintained throughout all phases of its life, causing minimal risk to people and environment

ISO – International Organization for Standardization

IEC – International Electrotechnical Commission

Making Machines Safe

Defines How to Determine Performance Level (PL) and How to Verify Achieved PL within a System

Designing Electrical Safety Systems

Defines Safety Integrity Level (SIL)

Achieving and Managing Functional Safety

Safety Plan

1. Assessment and Risk Reduction2. Establish Safety Function

Requirements3. Implement Functional Safety4. Verify Functional Safety5. Validate Functional Safety6. Document Functional Safety7. Prove Compliance

Allen-Bradley: Principles, Standards, & Implementation

Schneider Electric: Safe Machinery Handbook`