NBN EN 61496-3 : 2001

Introduction
Clause
1 Scope
2 Normative references
3 Definitions
4 Requirements
    4.1 Functional requirements
    4.2 Design requirements
    4.3 Environmental tests
5 Testing
    5.1 General
    5.2 Functional tests
    5.3 Performance testing under fault conditions
    5.4 Environmental tests
6 Marking for identification and for safe use
7 Accompanying documents
Annex A (normative) Optional functions of the ESPE
Annex B (normative) Catalogue of single faults affecting
         the electrical equipment of the ESPE, to be applied
         as specified in 5.3
Annex C (informative) Bibliography
Annex AA (informative) Examples of the use of an AOPDDR in
         different applications
Annex BB (informative) Relationship between ranging accuracy
         and probability of detection
Annex ZA (normative) Normative references to international
         publications with their corresponding European
         publications

Provides additional requirements for design, construction and testing of electro-sensitive protective equipment (ESPE) for the safeguarding of machinery, employing active opto-electronic protective devices responsive to diffuse reflection (AOPDDRs) for the sensing function.