CEI EN 61557-15 : 2014

FOREWORD
INTRODUCTION
1 Scope
2 Normative references
3 Terms, definitions and abbreviations
4 Definition of safety functions embedded
  in IMDs and IFLSs
5 Requirements on products implementing
  safety-related functions
6 Management of functional safety during
  the development lifecycle
7 Management of functional safety during
  the realisation lifecycle of IMDs and IFLSs
8 Requirements for modifications
9 Proven in use approach
Annex A (informative) - Risk analysis and SIL
        assignment for IMDs and IFLSs
Annex B (informative) - Examples for the
        determination of PFD, DC and SFF
Annex C (informative) - Failure rate databases
Annex D (informative) - Guide to embedded
        software design and development
Annex E (informative) - Information for the
        assessment of safety functions
Annex F (informative) - Example of applications
Bibliography
Annex ZA (normative) - Normative references to
         international publications with their
         corresponding European publications

Describes requirements related to functional safety and is based on the IEC 61508 standard series for the realization of insulation monitoring devices (IMD) as specified in IEC 61557-8 and for insulation fault location systems (IFLS) according to IEC 61557-9, according to phase 10 of the IEC 61508-1 lifecycle.