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International standard norme internationale 1

This is a preview - click here to buy the full publication INTERNATIONAL STANDARD IEC - Edition - NORME INTERNATIONALE Programmable controllers ?? Part Functional safety Automates programmables ?? Partie Sécurité fonctionnelle INTERNATIONAL ELECTROTECHNICAL COMMISSION COMMISSION ELECTROTECHNIQUE INTERNATIONALE ICS XD PRICE CODE CODE PRIX ISBN - - - - Warning Make sure that you obtained this publication from an authorized distributor Attention Veuillez vous assurer que vous avez obtenu cette publication via un distributeur agréé Registered trademark of the International Electrotechnical Commission Marque déposée de la Commission Electrotechnique Internationale CThis is a preview - click here to buy the full publication ?? ?? - ? IEC CONTENTS FOREW ORD INTRODUCTION Scope Normative references Terms and de ?nitions Conformance to this standard FS -PLC safety lifecycle General FS -PLC functional safety SIL capability requirements General Data security Quality management system Management of FS -PLC safety lifecycle Objectives Requirements and procedures Execution and monitoring Management of functional safety FS -PLC design requirements speci ?cation General Design requirements speci ?cation contents Target failure rate FS -PLC design development and validation plan General Segmenting requirements FS - PLC architecture General Architectures and subsystems Data communication HW design development and validation planning HW general requirements HW functional safety requirements speci ?cation HW safety validation planning HW design and development General Requirements for FS -PLC behaviour on detection of a fault HW safety integrity Random HW failures HW requirements for the avoidance of systematic failures HW requirements for the control of systematic faults HW classi ?cation of faults HW implementation De-rating of components ASIC design and development Techniques and measures to prevent the introduction of faults in ASICs C - ? IEC This is a preview - click here to buy the full publication ?? ?? HW and embedded SW and FS -PLC integration HW operation and maintenance procedures Objective Requirements HW safety validation General Requirements HW veri ?cation Objective Requirements FS -PLC SW design and development General Requirements Classi ?cation of engineering tools SW safety validation planning FS -PLC safety validation FS -PLC type tests General Type test requirements Climatic test requirements Mechanical test requirements EMC test requirements General General EMC environment Speci ?ed EMC environment FS -PLC veri ?cation Veri ?cation plan Fault insertion test requirements As quali ?ed versus as shipped Functional safety assessment Objective Assessment requirements Assessment evidence and documentation Assessment method FS -PLC assessment information Independence FS -PLC operation maintenance and modi ?cation procedures Objective FS -PLC modi ?cation Information to be provided by the FS -PLC manufacturer for the user General Information on conformance to this standard Information on type and content of documentation Information on catalogues and or datasheets Safety manual General Safety manual contents Annex A informative Reliability calculations CThis is a preview - click here to buy the full publication ?? ?? - ? IEC Annex B informative Typical FS -PLC Architectures Annex C informative Energise to trip applications of FS -PLC Annex D informative Available failure rate databases Annex E informative Methodology for the estimation of