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BS EN IEC 60947-5-2:2020+A11:2022:2023 Edition

BS EN IEC 60947-5-2:2020+A11:2022:2023 Edition

$215.11

Low-voltage switchgear and controlgear – Control circuit devices and switching elements. Proximity switches

Published By Publication Date Number of Pages
BSI 2023 150
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PDF Pages PDF Title
2 undefined
35 3.1 Basic terms and definitions
37 3.2 Parts of a proximity switch
39 3.3 Operation of a proximity switch
41 3.4 Switching element characteristics
43 4.1 General
44 Table 1 – Classification of proximity switches
45 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
5.1 General
5.1.1 Summary of characteristics
5.1.2 Operation of an inductive or capacitive proximity switch
46 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
5.2.1 Operating conditions of inductive and capacitive proximity switches
Table 2 – Cross reference between active optical signal and output function
47 5.2.2 Operating distance (s) of an ultrasonic proximity switch
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
48 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)
49 Figure 4 – Sensing range and operating range of photoelectric proximity switches (see 8.2.1.3 and 9.4)
50 5.3 Rated and limiting values for the proximity switch and switching element(s)
5.3.1 Voltages
5.3.2 Currents
Figure 5 – Relationship between Ue and UB
51 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
52 6.1 Nature of information – Identification
Table 3 – Utilization categories for switching elements
53 6.2 Marking
6.2.1 General
6.2.2 Terminal identification and marking
6.2.3 Functional markings
6.3 Instructions for installation, operation and maintenance
54 6.4 Environmental information
6.4.1 Environmentally conscious design process (ECD process)
6.4.2 Procedure to establish material declaration
7.1 Normal service conditions
7.1.1 General
7.1.2 Ambient air temperature
55 7.1.3 Altitude
7.1.4 Climatic conditions
7.2 Conditions during transport and storage
7.3 Mounting
8.1 Constructional requirements
8.1.1 Materials
56 8.1.2 Current-carrying parts and their connections
Table 4 –Test conditions for glow-wire test
57 8.1.3 Clearances and creepage distances
8.1.4 Actuation
8.1.5 Void
8.1.6 Void
8.1.7 Terminals
58 Table 5 – Connection and wiring identification
59 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
60 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
61 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
8.2.1 Operating conditions
65 8.2.2 Temperature-rise
66 8.2.3 Dielectric properties
Table 6 – Burn threshold
67 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
68 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
69 Table 9 – Acceptance criteria
70 Table 10 – Immunity tests (1 of 2)
72 8.3 Physical dimensions
8.4 Shock and vibration and special environmental conditions
8.4.1 Shock
8.4.2 Vibration
8.4.3 Results to be obtained
73 8.4.4 Special environmental conditions – damp heat, salt mist, vibration and shock
9.1 Kinds of tests
9.1.1 General
9.1.2 Type tests
9.1.3 Routine tests
9.1.4 Sampling tests
9.1.5 Special tests
74 9.2 Compliance with constructional requirements
9.2.1 General
9.2.2 Materials
9.3 Performances
9.3.1 Test sequences
75 9.3.2 General test conditions
76 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
77 9.3.3 Performance under no load, normal load and abnormal load condition
78 Figure 7 – Test circuit for the verification of time delay before availability (see 8.2.1.7 and 9.3.3.2.1)
79 Figure 8 – Signal output across load in Figure 7 (see 9.3.3.2.1)
80 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)
82 Table 12 – Test voltages
83 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)
84 9.4 Testing of operating distances
9.4.1 Inductive, capacitive, non-mechanical magnetic and ultrasonic proximity switches
Figure 11 – Short-circuit testing (see 9.3.4.2)
85 9.4.2 Photoelectric proximity switches
87 Figure 12 – Testing of the sensing range (see 9.4.2)
88 9.5 Testing for the frequency of operating cycles
9.5.1 General
89 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)
90 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)
91 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
92 Figure 17 – Turn-on time ton measurement
Figure 18 – Turn-off time toff measurement
93 9.6 Verification of the electromagnetic compatibility
9.6.1 General
9.6.2 Immunity
94 9.6.3 Emission
9.7 Test results and test report
95 Annex A (informative) Typical dimensions and operating distances of proximity switches
A.1 MODEL IA, IB – INDUCTIVE CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL (IA) OR SMOOTH BARREL (IB) WITH CABLE OR CONNECTOR
A.1.1 (IA, IB) Dimensions
Figure A.1 – (IA) – Dimensions for threaded barrel – cable type
96 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
97 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
98 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
99 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
100 A.2 MODEL IC – INDUCTIVE RECTANGULAR PROXIMITY SWITCHES WITH SQUARE CROSS-SECTION
A.2.1 (IC) Dimensions
Table A.5 – (IA, IB) – Frequency of operating cycles (f) in operating cycles per second – Minimum requirements
101 Figure A.7 – Dimensions of Type I1C26 (in millimetres)
Figure A.8 – Dimensions of Types I2C40 and I1C40 (in millimetres)
102 A.2.2 (IC) Rated operating distance
Figure A.9 – Dimensions of Types I2IMC and I1IMC (IMC) 40 x 40 (cube) (in millimetres)
103 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
104 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
105 A.3 MODEL ID – INDUCTIVE RECTANGULAR PROXIMITY SWITCHESWITH RECTANGULAR CROSS-SECTION
A.3.1 (ID) Dimensions
Figure A.12 – (ID) Dimensions
Table A.8 – (ID) – Dimensions
106 A.3.2 (ID) Installation (mounting)
Figure A.13 – (IDC) Dimensions
107 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)
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
108 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
109 A.4.3 (Cubical) Dimensions
Figure A.17 – (Flatpack) with cable or connector M8 entry
110 Figure A.18 – (5 mm x 5 mm) Cubical with cable
Figure A.19 – (8 mm x 8 mm) Cubical with cable
111 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
112 A.5 MODEL CA – CAPACITIVE CYLINDRICAL PROXIMITY SWITCHES WITH THREADED BARREL
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
113 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
114 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
A.7.1 (CC) Dimensions
Figure A.22 – (CA) Installation (mounting)
115 A.7.2 (CC) Rated operating distance (sn)
Figure A.23 – Model CC Dimensions
116 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
117 A.8 MODEL CD – CAPACITIVE RECTANGULAR PROXIMITY SWITCHES WITH RECTANGULAR CROSS-SECTION
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
118 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
A.10.1 (UA) Dimensions
Figure A.26 – (CD) Installation (mounting)
119 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
120 A.11 MODEL UD – ULTRASONIC RECTANGULAR PROXIMITY SWITCHES WITH RECTANGULAR CROSS-SECTION
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
121 Annex B (normative) Class II proximity switches insulated by encapsulation – Requirements and tests
B.1 General
B.2 Terms and definitions
B.6 Marking
122 B.8 Constructional and functional requirements
B.9 Tests
Figure B.1 – Encapsulated device
124 Figure B.2 – Test device
125 Annex C (normative) Additional requirements for proximity switches with integrally connected cables
C.1 General
C.2 Terms and definitions
C.8 Constructional and performance requirements
126 C.9 Tests
Table C.1 – Material characteristics
127 Table C.2 – Examples of standard cable types
128 Table C.3 – Tensile forces
130 Annex D (normative) Integral connectors for plug-in proximity switches
Figure D.1 – M12 thread 3-pin integral connector for AC proximity switches
131 Figure D.2 – M12 thread 5-pin integral connector for DC proximity switches
132 Figure D.3 – 8 mm thread 3-pin integral connector for DC proximity switches
133 Figure D.4 – 8 mm thread 4-pin integral connector for DC proximity switches
134 Figure D.5 – M12 thread 4-pin integral connector for AC proximity switches
135 Figure D.6 – M12 thread 5-pin integral connector for AC proximity switches
136 Figure D.7 – M12 thread 6-pin integral connector for AC proximity switches
137 Figure D.8 – M5 thread 4-pin/3-pin integral connector for DC proximity switches
138 Annex E (normative) Additional requirements for proximity switches suitable for use in strong magnetic fields
E.1 Preamble
E.3 Terms and definitions
E.4 Classification
139 E.8 Construction and performance requirements
140 E.9 Tests
141 Figure E.1 – Examples of test configuration for verification of the immunity to an alternating field
142 Figure E.2 – Example of test configuration for verification of the immunity in a constant magnetic field
143 Annex F (informative) Symbols for proximity switches
F.1 General
F.2 Standard symbols for proximity switches
144 Figure F.1 – Examples of symbols for proximity switches
145 F.3 Additional symbols for photoelectric proximity switches
F.3.1 Sensor principles
F.3.2 Optical actuation means
F.3.3 Functional symbol definitions
146 Figure F.2 – Examples of symbols for photoelectric proximity switches

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BS EN IEC 60947-5-2:2020+A11:2022
$215.11