Introduction1 Scope2 Normative references3 Terms, definitions, symbols and abbreviated terms4 Methodology5 General equation for the calculation of the overall system stopping performance and minimum distances6 Calculation of minimum distances for electro-sensitive protective equipment employing active opto-electronic protective systems7 Method of calculating the positioning of pressure-sensitive mats or floors8 Two-hand control devices9 Interlocking guards without guard lockingAnnex A (informative) - Worked examplesAnnex B (informative) - Termination of hazardous machine functionsAnnex C (informative) - Example for considering indirect approachesAnnex D (informative) - Measurement and calculation of overall system stopping performanceAnnex E (informative) - Number of beams and their height above the reference planeBibliography