• UNI EN 954-1 : 1998

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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    Available format(s): 

    Superseded date:  02-22-2007


    Published date:  01-12-2013

    Publisher:  Ente Nazionale Italiano di Unificazione (UNI)

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    Table of Contents - (Show below) - (Hide below)

    0 Introduction
    1 Scope
    2 Normative references
    3 Definitions
    4 General considerations
    4.1 Safety objectives in the design
    4.2 General strategy for design
    4.3 Process for the selection and design of safety measures
    4.4 Principles for ergonomic design
    5 Characteristics of safety functions
    6 Categories
    6.1 General
    6.2 Specifications of categories
    6.3 Selection and combination of safety-related parts to
          different categories
    7 Fault consideration
    7.1 General
    7.2 Fault exclusion
    8 Validation
    8.1 General
    8.2 Validation plan
    8.3 Validation by analysis
    8.4 Validation by testing
    8.5 Validation report
    9 Maintenance
    10 Information for use
    A (informative) Questionnaire for the design process
    B (informative) Guidance for the selection of categories
    C (informative) List of some significant faults and
          failures for various technologies
    D (informative) Relationship between safety, reliability
          and availability for machinery
    E (informative) Bibliography
    ZA (informative) Clauses of this European Standard
          addressing essential requirements or other provisions
          of EU directives

    Abstract - (Show below) - (Hide below)

    Gives safety requirements and guidelines on the principles for the design of safety-related parts of control systems. Defines categories and gives characteristics of safety functions, including programmable systems for all machinery and for related protective devices. Applicable to all safety related parts of control systems whatever the type of energy used.

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    Document Type Standard
    Publisher Ente Nazionale Italiano di Unificazione (UNI)
    Status Superseded
    Superseded By
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