Foreword
1 General
   1.1 Scope and object
   1.2 Normative references
2 Definitions
   2.1 Basic definitions
   2.2 Parts of a proximity switch
   2.3 Operation of a proximity switch
   2.4 Switching element characteristics
3 Classification
   3.1 Classification according to sensing means
   3.2 Classification according to the mechanical
        installation
   3.3 Classification according to the construction
        form and size
   3.4 Classification according to switching element
        function
   3.5 Classification according to type of output
   3.6 Classification according to method of connection
4 Characteristics
   4.1 Summary of characteristics
   4.2 Operating conditions
   4.3 Rated and limiting values for the proximity
        switch and switching element(s)
   4.4 Utilization categories for the switching element
5 Product information
   5.1 Nature of information
   5.2 Marking
   5.3 Instruction for installation, operation and
        maintenance
6 Normal service, mounting and transport conditions
   6.1 Normal service conditions
   6.2 Conditions during transport and storage
   6.3 Mounting
7 Constructional and performance requirements
   7.1 Constructional requirements
   7.2 Performance requirements
   7.3 Physical dimensions
   7.4 Shock and vibration
8 Tests
   8.1 Kinds of tests
   8.2 Compliance with constructional requirements
   8.3 Performances
   8.4 Testing of operating distances
   8.5 Testing for the frequency of operating cycles
   8.6 Verification of the electromagnetic
        compatibility
   8.7 Test results and test report
Annex A (normative) Specification sheets
Annex B (normative) Class II proximity switches insulated
                      by encapsulation - Requirements and tests
Annex C (normative) Additional requirements for proximity
                      switches with integrally connected cables
Annex D (normative) Integral connectors for plug-in proximity
                      switches
Annex E (normative) Additional requirements for proximity
                      switches suitable for use in strong
                      magnetic fields
Annex F (informative) Symbols for proximity switches
Annex ZA (normative) Normative references to international
                      publications with their corresponding
                      European publications