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BS EN IEC 60947-5-2:2020 Low-voltage switchgear and controlgear - Control circuit devices and switching elements. Proximity switches, 2020
- undefined
- Annex ZA(normative)Normative references to international publicationswith their corresponding European publications
- English [Go to Page]
- CONTENTS
- FOREWORD
- 1 Scope
- 2 Normative references
- 3 Terms and definitions [Go to Page]
- 3.1 Basic terms and definitions
- 3.2 Parts of a proximity switch
- 3.3 Operation of a proximity switch
- 3.4 Switching element characteristics
- 4 Classification [Go to Page]
- 4.1 General
- Tables [Go to Page]
- Table 1 – Classification of proximity switches
- 4.2 Classification according to sensing means
- 4.3 Classification according to the mechanical installation
- 4.4 Classification according to the construction form and size
- 4.5 Classification according to switching element function
- 4.6 Classification according to type of output
- 4.7 Classification according to method of connection
- 5 Characteristics [Go to Page]
- 5.1 General [Go to Page]
- 5.1.1 Summary of characteristics
- 5.1.2 Operation of an inductive or capacitive proximity switch
- 5.1.3 Operation of an ultrasonic proximity switch
- 5.1.4 Operation of a photoelectric proximity switch
- 5.1.5 Operation of a magnetic proximity switch
- 5.2 Operating conditions [Go to Page]
- 5.2.1 Operating conditions of inductive and capacitive proximity switches
- Table 2 – Cross reference between active optical signal and output function [Go to Page]
- 5.2.2 Operating distance (s) of an ultrasonic proximity switch
- Figures [Go to Page]
- Figure 1 – Relationship between operating distances of inductive and capacitive proximity switches (see 8.2.1.3 and 9.4.1)
- Figure 2 – Ultrasonic proximity switch operating distances [Go to Page]
- 5.2.3 Operating distance (s) of a photoelectric proximity switch
- Figure 3 – Relationship between operating distances of ultrasonic proximity switches (see 8.2.1.3 and 9.4.1)
- Figure 4 – Sensing range and operating range of photoelectric proximity switches (see 8.2.1.3 and 9.4)
- 5.3 Rated and limiting values for the proximity switch and switching element(s) [Go to Page]
- 5.3.1 Voltages
- 5.3.2 Currents
- Figure 5 – Relationship between Ue and UB [Go to Page]
- 5.3.3 Rated supply frequency
- 5.3.4 Frequency of operating cycles (f)
- 5.3.5 Normal load and abnormal load characteristics
- 5.3.6 Short-circuit characteristics
- 5.4 Utilization categories for the switching element
- 6 Product information [Go to Page]
- 6.1 Nature of information – Identification
- Table 3 – Utilization categories for switching elements
- 6.2 Marking [Go to Page]
- 6.2.1 General
- 6.2.2 Terminal identification and marking
- 6.2.3 Functional markings
- 6.3 Instructions for installation, operation and maintenance
- 6.4 Environmental information [Go to Page]
- 6.4.1 Environmentally conscious design process (ECD process)
- 6.4.2 Procedure to establish material declaration
- 7 Normal service, mounting and transport conditions [Go to Page]
- 7.1 Normal service conditions [Go to Page]
- 7.1.1 General
- 7.1.2 Ambient air temperature
- 7.1.3 Altitude
- 7.1.4 Climatic conditions
- 7.2 Conditions during transport and storage
- 7.3 Mounting
- 8 Constructional and performance requirements [Go to Page]
- 8.1 Constructional requirements [Go to Page]
- 8.1.1 Materials
- 8.1.2 Current-carrying parts and their connections
- Table 4 –Test conditions for glow-wire test [Go to Page]
- 8.1.3 Clearances and creepage distances
- 8.1.4 Actuation
- 8.1.5 Void
- 8.1.6 Void
- 8.1.7 Terminals
- Table 5 – Connection and wiring identification [Go to Page]
- 8.1.8 Void
- 8.1.9 Provisions for protective earthing
- 8.1.10 Degree of protection
- 8.1.11 Requirements for proximity switches with integrally connected cables
- 8.1.12 Class II proximity switches
- 8.1.13 Chemical stress
- 8.1.14 Equipment design
- 8.1.15 Protection against artificial optical radiation
- 8.1.16 Biological and chemical effects
- 8.1.17 Unattended operation
- 8.1.18 Safety related security
- 8.1.19 Requirements for embedded software
- 8.2 Performance requirements [Go to Page]
- 8.2.1 Operating conditions
- 8.2.2 Temperature-rise
- 8.2.3 Dielectric properties
- Table 6 – Burn threshold [Go to Page]
- 8.2.4 Ability to make and break under normal load and abnormal load conditions
- Table 7 – Verification of making and breaking capacities of switching elements under normal conditions corresponding to the utilization categories a [Go to Page]
- 8.2.5 Conditional short-circuit current
- 8.2.6 Electromagnetic compatibility (EMC)
- Table 8 – Verification of making and breaking capacities of switching elements under abnormal conditions corresponding to the utilization categories a
- Table 9 – Acceptance criteria
- Table 10 – Immunity tests (1 of 2)
- 8.3 Physical dimensions
- 8.4 Shock and vibration and special environmental conditions [Go to Page]
- 8.4.1 Shock
- 8.4.2 Vibration
- 8.4.3 Results to be obtained
- 8.4.4 Special environmental conditions – damp heat, salt mist, vibration and shock
- 9 Tests [Go to Page]
- 9.1 Kinds of tests [Go to Page]
- 9.1.1 General
- 9.1.2 Type tests
- 9.1.3 Routine tests
- 9.1.4 Sampling tests
- 9.1.5 Special tests
- 9.2 Compliance with constructional requirements [Go to Page]
- 9.2.1 General
- 9.2.2 Materials
- 9.3 Performances [Go to Page]
- 9.3.1 Test sequences
- 9.3.2 General test conditions
- Figure 6 – Method of measuring the operating distance (see 9.3.2.1 and 9.4.1)
- Table 11 – Target sizes of ultrasonic proximity switches [Go to Page]
- 9.3.3 Performance under no load, normal load and abnormal load condition
- Figure 7 – Test circuit for the verification of time delay before availability (see 8.2.1.7 and 9.3.3.2.1)
- Figure 8 – Signal output across load in Figure 7 (see 9.3.3.2.1)
- Figure 9 – Test circuit for the verification of minimum operational current OFF-state current, voltage drop and independent action (see 9.3.3.2.2, 9.3.3.2.3, 9.3.3.2.4 and 9.3.3.2.5)
- Table 12 – Test voltages [Go to Page]
- 9.3.4 Performance under short-circuit current conditions
- Figure 10 – Test circuit for the verification of making and breaking capability (see 9.3.3.5)
- 9.4 Testing of operating distances [Go to Page]
- 9.4.1 Inductive, capacitive, non-mechanical magnetic and ultrasonic proximity switches
- Figure 11 – Short-circuit testing (see 9.3.4.2) [Go to Page]
- 9.4.2 Photoelectric proximity switches
- Figure 12 – Testing of the sensing range (see 9.4.2)
- 9.5 Testing for the frequency of operating cycles [Go to Page]
- 9.5.1 General
- 9.5.2 Method for measuring the frequency of operating cycles
- Figure 13 – Methods for measuring the frequency of operating cycle of inductive, capacitive and non-mechanical magnetic proximity switches (if applicable)
- Figure 14 – Methods for measuring the frequency of operating cycles (f), ultrasonic proximity switch
- Figure 15 – Output signal of direct current proximity switch during the measurement of frequency of operating cycles (f) [Go to Page]
- 9.5.3 Results to be obtained
- 9.5.4 Photoelectric proximity switches
- Figure 16 – Measurement means for turn-on time ton and turn-off time toff
- Figure 17 – Turn-on time ton measurement
- Figure 18 – Turn-off time toff measurement
- 9.6 Verification of the electromagnetic compatibility [Go to Page]
- 9.6.1 General
- 9.6.2 Immunity
- 9.6.3 Emission
- 9.7 Test results and test report
- Annexes [Go to Page]
- Annex A (informative) Typical dimensions and operating distances of proximity switches [Go to Page]
- A.1 MODEL IA, IB – INDUCTIVE CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL (IA) OR SMOOTH BARREL (IB) WITH CABLE OR CONNECTOR [Go to Page]
- A.1.1 (IA, IB) Dimensions
- Figure A.1 – (IA) – Dimensions for threaded barrel – cable type
- Figure A.2 – (IB) – Dimensions for smooth barrel – cable type
- Table A.1 – (IA, IB) – Preferred and secondary series smooth and threaded barrel cable types
- Table A.2 – (IA) – Dimensions of nuts
- Figure A.3 – Type A dimensions – Body M5x0,5, M8x1, Ø 4, Ø 6,5 with connector M5/M8
- Figure A.4 – Type B dimensions – Body M5x0,5, M8x1, Ø 4, Ø 6,5 with connector M8/M12 [Go to Page]
- [Go to Page]
- A.1.2 (IA, IB) Rated operating distances
- Figure A.5 – Type C dimensions – Body M12x1, M18x1, M30x1,5 with connector M12
- Table A.3 – (Types A, B, C) – Preferred and secondary series, smooth and threaded barrel connector types [Go to Page]
- [Go to Page]
- A.1.3 (IA, IB) Installation (mounting) threaded barrel (IA) and smooth barrel (IB)
- A.1.4 (IA, IB) Frequency of operating cycles (f)
- Figure A.6 – (IA, IB) – Installation (mounting) a
- Table A.4 – (IA, IB) – Rated operating distances [Go to Page]
- A.2 MODEL IC – INDUCTIVE RECTANGULAR PROXIMITY SWITCHES WITH SQUARE CROSS-SECTION [Go to Page]
- A.2.1 (IC) Dimensions
- Table A.5 – (IA, IB) – Frequency of operating cycles (f) in operating cycles per second – Minimum requirements
- Figure A.7 – Dimensions of Type I1C26 (in millimetres)
- Figure A.8 – Dimensions of Types I2C40 and I1C40 (in millimetres) [Go to Page]
- [Go to Page]
- A.2.2 (IC) Rated operating distance
- Figure A.9 – Dimensions of Types I2IMC and I1IMC (IMC) 40 x 40 (cube) (in millimetres) [Go to Page]
- [Go to Page]
- A.2.3 (IC) Installation (mounting)
- Figure A.10 – Installation of a I1C proximity switch in damping material
- Table A.6 – (IC) – Rated operating distance [Go to Page]
- [Go to Page]
- A.2.4 (IC) Frequency of operating cycles (f)
- Figure A.11 – (IC) Installation of I2C in damping material a
- Table A.7 – (IC) – Frequency of operating cycles (f) in operating cycles per second – Minimum requirements [Go to Page]
- A.3 MODEL ID – INDUCTIVE RECTANGULAR PROXIMITY SWITCHESWITH RECTANGULAR CROSS-SECTION [Go to Page]
- A.3.1 (ID) Dimensions
- Figure A.12 – (ID) Dimensions
- Table A.8 – (ID) – Dimensions [Go to Page]
- [Go to Page]
- A.3.2 (ID) Installation (mounting)
- Figure A.13 – (IDC) Dimensions [Go to Page]
- [Go to Page]
- A.3.3 (ID) Frequency of operating cycles (f)
- A.4 MODEL IX (IN, IS, FLATPACK, CUBICAL INDUCTIVE RECTANGULAR AND CUBICAL PROXIMITY SWITCHES WITH SMALL SIZES) [Go to Page]
- A.4.1 (IX) Dimensions
- Figure A.14 – (ID) Installation in damping material
- Table A.9 – (ID) – Frequency of operating cycles (f) in operating cycles per second –Minimum requirements [Go to Page]
- [Go to Page]
- A.4.2 (Flatpack) Dimensions
- Figure A.15 – (IN) with cable or connector M8 entry
- Figure A.16 – (IS) with cable or connector M8 entry [Go to Page]
- [Go to Page]
- A.4.3 (Cubical) Dimensions
- Figure A.17 – (Flatpack) with cable or connector M8 entry
- Figure A.18 – (5 mm x 5 mm) Cubical with cable
- Figure A.19 – (8 mm x 8 mm) Cubical with cable [Go to Page]
- [Go to Page]
- A.4.4 (IX) Rated operating distance
- A.4.5 (IX) Installation (mounting)
- A.4.6 (IX) Frequency of operating cycles (f)
- Figure A.20 – (8 mm x 8 mm) Cubical with M8 connector
- Table A.10 – (IX) – Rated operating distances IN, IS, flatpack, cubical [Go to Page]
- A.5 MODEL CA – CAPACITIVE CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL [Go to Page]
- A.5.1 (CA) Dimensions
- Figure A.21 – (CA) Dimensions
- Table A.11 – (IX) – Frequency of operating cycles IN, IS, flatpack and cubical (f) in operating cycles per second [Go to Page]
- [Go to Page]
- A.5.2 (CA) Rated operating distance (sn)
- A.5.3 (CA) Installation (mounting)
- Table A.12 – (CA) – Dimensions
- Table A.13 – (CA) – Rated operating distances [Go to Page]
- [Go to Page]
- A.5.4 (CA) Frequency of operating cycles (f)
- A.6 MODEL CB – CAPACITIVE PROXIMITY SWITCHES WITH SMOOTH BARREL
- A.7 MODEL CC – CAPACITIVE RECTANGULAR PROXIMITY SWITCHES WITH SQUARE CROSS-SECTION [Go to Page]
- A.7.1 (CC) Dimensions
- Figure A.22 – (CA) Installation (mounting) [Go to Page]
- [Go to Page]
- A.7.2 (CC) Rated operating distance (sn)
- Figure A.23 – Model CC Dimensions [Go to Page]
- [Go to Page]
- A.7.3 (CC) Installation (mounting)
- A.7.4 (CC) Frequency of operating cycles (f)
- Figure A.24 – (CC) Installation (mounting)
- Table A.14 – (CC) – Rated operating distance [Go to Page]
- A.8 MODEL CD – CAPACITIVE RECTANGULAR PROXIMITY SWITCHES WITH RECTANGULAR CROSS-SECTION [Go to Page]
- A.8.1 (CD) Dimensions
- A.8.2 (CD) Rated operating distance (sn)
- A.8.3 (CD) Installation (mounting)
- Figure A.25 – (CD) Dimensions in millimetres [Go to Page]
- [Go to Page]
- A.8.4 (CD) Frequency of operating cycles (f)
- A.9 MODEL CX – CAPACITIVE PROXIMITY SWITCHES WITH OTHER FORMS, DIMENSIONS AND SMALL SIZES
- A.10 MODEL UA – THREADED BARREL ULTRASONIC CYLINDRICAL PROXIMITY SWITCHES [Go to Page]
- A.10.1 (UA) Dimensions
- Figure A.26 – (CD) Installation (mounting) [Go to Page]
- [Go to Page]
- A.10.2 (UA) Sensing range
- A.10.3 (UA) Installation (mounting)
- A.10.4 (UA) Frequency of operating cycles (f)
- Figure A.27 – (UA) Dimensions
- Table A.15 – (UA) – Dimensions [Go to Page]
- A.11 MODEL UD – ULTRASONIC RECTANGULAR PROXIMITY SWITCHES WITH RECTANGULAR CROSS-SECTION [Go to Page]
- A.11.1 (UD) Dimensions
- A.11.2 (UD) Sensing range
- A.11.3 (UD) Installation (mounting)
- A.11.4 (UD) Frequency of operating cycles (f)
- Figure A.28 – (UD) Dimensions of Type D80
- Annex B (normative) Class II proximity switches insulated by encapsulation – Requirements and tests [Go to Page]
- B.1 General
- B.2 Terms and definitions
- B.6 Marking
- B.8 Constructional and functional requirements
- B.9 Tests
- Figure B.1 – Encapsulated device
- Figure B.2 – Test device
- Annex C (normative) Additional requirements for proximity switches with integrally connected cables [Go to Page]
- C.1 General
- C.2 Terms and definitions
- C.8 Constructional and performance requirements
- C.9 Tests
- Table C.1 – Material characteristics
- Table C.2 – Examples of standard cable types
- Table C.3 – Tensile forces
- Annex D (normative) Integral connectors for plug-in proximity switches
- Figure D.1 – M12 thread 3-pin integral connector for AC proximity switches
- Figure D.2 – M12 thread 5-pin integral connector for DC proximity switches
- Figure D.3 – 8 mm thread 3-pin integral connector for DC proximity switches
- Figure D.4 – 8 mm thread 4-pin integral connector for DC proximity switches
- Figure D.5 – M12 thread 4-pin integral connector for AC proximity switches
- Figure D.6 – M12 thread 5-pin integral connector for AC proximity switches
- Figure D.7 – M12 thread 6-pin integral connector for AC proximity switches
- Figure D.8 – M5 thread 4-pin/3-pin integral connector for DC proximity switches
- Annex E (normative) Additional requirements for proximity switches suitable for use in strong magnetic fields [Go to Page]
- E.1 Preamble
- E.3 Terms and definitions
- E.4 Classification
- E.8 Construction and performance requirements
- E.9 Tests
- Figure E.1 – Examples of test configuration for verification of the immunity to an alternating field
- Figure E.2 – Example of test configuration for verification of the immunity in a constant magnetic field
- Annex F (informative) Symbols for proximity switches [Go to Page]
- F.1 General
- F.2 Standard symbols for proximity switches
- Figure F.1 – Examples of symbols for proximity switches [Go to Page]
- F.3 Additional symbols for photoelectric proximity switches [Go to Page]
- F.3.1 Sensor principles
- F.3.2 Optical actuation means
- F.3.3 Functional symbol definitions
- Figure F.2 – Examples of symbols for photoelectric proximity switches
- Bibliography [Go to Page]