ISO 13849-2:2012-10

Content (en)

• Foreword
• Introduction
• Scope
• Normative references
• Terms and definitions
• Validation process Show subsection Close subsection

  • Validation principles
  • Validation plan
  • Generic fault lists
  • Specific fault lists
  • Information for validation
  • Validation record
• Validation by analysis Show subsection Close subsection

  • General
  • Analysis techniques
• Validation by testing Show subsection Close subsection

  • General
  • Measurement accuracy
  • More stringent requirements
  • Number of test samples
• Validation of safety requirements specification for safety functions
• Validation of safety functions
• Validation of performance levels and categories Show subsection Close subsection

  • Analysis and testing
  • Validation of category specifications Show subsection Close subsection

    • Category B
    • Category 1
    • Category 2
    • Category 3
    • Category 4
  • Validation of MTTF, DC and CCF
  • Validation of measures against systematic failures related to performance level and category of SRP/CS
  • Validation of safety-related software
  • Validation and verification of performance level
  • Validation of combination of safety-related parts
• Validation of environmental requirements
• Validation of maintenance requirements
• Validation of technical documentation and information for use
• Validation tools for mechanical systems (informative)
• Validation tools for pneumatic systems (informative)
• Validation tools for hydraulic systems (informative)
• Validation tools for electrical systems (informative) Show subsection Close subsection

  • General
  • Fault exclusion Show subsection Close subsection

    • General
    • "Tin whiskers"
    • Short circuits on PCB-mounted parts
    • Fault exclusions and integrated circuits
• Example of validation of fault behaviour and diagnostic means (informative) Show subsection Close subsection

  • General
  • Description of machine
  • Specification of safety function requirements
  • Design of SRP/CS Show subsection Close subsection

    • General
    • Safety function SF 1 — Safety-related stopping initiated by the opening of the interlocking guard and prevention of unexpected start-up whenever the interlocking guard is open
    • Safety function SF 2 — Safely-limited speed (SLS)
    • Safety function SF 3 — Hold-to-run mode
  • Validation Show subsection Close subsection

    • General
    • Validation of fault behaviour and DC
    • FMEA and DC for SF 1.0 and SF 1.3 Show subsection Close subsection

      • SF 1.0
      • SF 1.3
• Bibliography