GB/T 14048.10-2008 (GB/T 14048.10-2016 Newer Version) PDF English
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Low-voltage switchgear and controlgear -- Part 5-2: Control circuit devices and switching elements -- Proximity switches
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Low-voltage switchgear and controlgear -- Part 5-2: Control circuit devices and switching element -- Proximity switches
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Low-voltage switchgear and controlgear-Control circuit devices and switching element-Section 2: Proximity switches
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GB/T 14048.10-2008: PDF in English (GBT 14048.10-2008) GB/T 14048.10–2008
ICS 29.120.20
K 30
NATIONAL STANDARD
OF THE PEOPLE’S REPUBLIC OF CHINA
GB/T 14048.10–2008/IEC 60947-5-2. 2004
Replace GB/T 14048.10–1999
Low-voltage switchgear and controlgear - Part 5-2.
Control circuit devices and switching element -
Proximity switches
ISSUED ON. SEPTEMBER 24, 2008
IMPLEMENTED ON. AUGUST 01, 2009
Issued by.
General Administration of Quality Supervision, Inspection
and Quarantine of the People’s Republic of China;
Standardization Administration of the People’s Republic of
China
Table of Contents
Foreword ... 3
1 Basic Requirements ... 7
2 Definitions ... 10
3 Classification ... 22
4 Characteristics ... 23
5 Product information ... 29
6 Normal service, mounting and transport conditions ... 31
7 Constructional and performance requirements ... 33
8 Tests ... 49
Annex A (Normative) Specification sheets ... 75
Annex B (Normative) Class II proximity switches insulated by
encapsulation - Requirements and tests ... 100
Annex C (Normative) Additional requirements for proximity switches with
integrally connected cables ... 105
Annex D (Normative) Integral connectors for plug-in proximity switches
... 109
Annex E (Normative) Additional requirements for proximity switches
suitable for use in strong magnetic fields ... 113
Annex F (Informative) Symbols for proximity switches ... 120
References and Original Chinese Documents ... 121
Foreword
Low-voltage switchgear and controlgear series standards are divided into 16 parts.
— GB 14048.1 Low-voltage switchgear and controlgear - Part 1. General rules
— GB 14048.2 Low-voltage switchgear and controlgear - Part 2. Circuit-breakers
— GB 14048.3 Low-voltage switchgear and controlgear - Part 3. Switch-disconnectors
and fuse-combination units
— GB 14048.4 Low-voltage switchgear and controlgear - Part 4-1. Contactors and
motor-starters; Electromechanical contactors and motor-starters (Including motor
protector)
— GB 14048.5 Low-voltage switchgear and controlgear - Part 5-1. Control circuit
devices and switching element; Electromechanical control circuit devices
— GB 14048.6 Low-voltage switchgear and controlgear - Part 4-2. Contactors and
motor-starters; AC semiconductor motor controllers and starters(including
soft-starter)
— GB 14048.7 Low-voltage switchgear and controlgear - Part 7-1. Ancillary equipment;
Terminal blocks for copper conductors
— GB 14048.8 Low-voltage switchgear and controlgear - Part 7-2. Ancillary equipment;
Protective conductor terminal blocks for copper conductors
— GB 14048.9 Low-voltage switchgear and controlgear - Section 6-2. Multiple function
equipment control and protective switching devices (or equipment) (CPS)
— GB 14048.10 Low-voltage switchgear and controlgear - Part 5-2. Control circuit
devices and switching element; Proximity switches
— GB 14048.11 Low-voltage switchgear and controlgear - Part 6-1. Multiple function
equipment; Transfer switching equipment
— GB 14048.12 Low-voltage switchgear and controlgear - Part 4-3. Contactors and
motor-starters; AC semiconductor controllers and contactors for non-motor loads
— GB 14048.13 Low-voltage switchgear and controlgear - Part 5-3. Control circuit
devices and switching elements; Requirements for proximity devices with defined
behavior under fault conditions (PDF)
— GB 14048.14 Low-voltage switchgear and controlgear - Part 5-5. Control circuit
devices and switching elements; Electrical emergency stop device with mechanical
latching function
— GB 14048.15 Low-voltage switchgear and controlgear - Part 5-6. Control circuit
devices and switching elements; DC interface for proximity sensors and switching
amplifiers (NAMUR)
— GB 14048.16 Low-voltage switchgear and controlgear - Part 8. Control units for
built-in thermal protection (PTC) for rotating electrical machines
This is Part 10 of Low-voltage switchgear and controlgear.
This Part is identical to IEC 60947-5-2. 2004 (Edition 2.2) LOW-VOLTAGE SWITCHGEAR
AND CONTROLGEAR - Part 5-2. Control circuit devices and switching elements;
Proximity switches (English Version)
For the purpose of this Part, the following changes have been made in light of specific
conditions of China.
— deletion of the introduction to the international standard IEC and addition of the
introduction to the national standard of the People’s Republic of China (GB).
— deletion of the contents of the definitions in an alphabetical order contained in IEC
60947-5-2. 2004, Clause 2.
— in subclause B.7.3 of Annex B, it is required to select the values specified in the Table
H.1 or H.2 of IEC 60947-1, Annex H for the test voltage of the dielectric performance.
At present, the Table H.2 has been deleted from IEC 60947-1. 2001 and deletion has
been made from GB 14048.1 accordingly. Therefore, the texts of the Table H.2 have
been deleted from this Part.
— This Part is arranged and organized identical with IEC 60947-5-2. 2004 and with
reference to GB/T 1.1-2000, Directives for Standardization – Part 1. Rules for the
Structure and Drafting of Standards, with respect to its drafting format.
This Part replaces GB 14048.10-1999, Low-voltage switchgear and controlgear -
Control circuit devices and switching element - Section 2. Proximity switches.
Comparing with GB 14048.10-1999, the key technical differences of this Part are as
follows, in addition of improvements of text contents.
— addition of provisions related to non-mechanical magnetic-type proximity switch
including its definition (subcluase 2.1.1.5), the definition of its reference axis,
(subcluase 2.2.2.1), the definition of its inductive surface (subcluase 2.2.11.4), action
(subcluase 4.1.4), the ambient temperature (subcluase 6.1.1.1), sensitivity and
distance of action (subcluase 7.2.1.3.6), vibration (subcluase 7.4.2), target
(subcluase 8.3.2.1.4), and tests (subclauses 8.4.1 and 8.5.1a);
— addition of the definition of range of action (r0) (subcluase2.3.1.8); Sd changed to r0
in Figures 1a) and b), along with addition of “4.2.3.2 Range of action (r0)”;
— in subclause 2.1, addition of definitions for Type D proximity switch (subclause
2.1.1.4.1), Type R proximity switch (subclause 2.1.1.4.2), Type T proximity switch
(subclause 2.1.1.4.3), direct-action proximity switch (subclause 2.1.1.6), indirect -
action proximity switch (subclause 2.1.1.7) and medium-density filter (subclause
2.1.1.8);
— in subclause 7.2.6 Electromagnetic compatibility (EMC), addition of Tables 7and 8,
addition of surging (subclause 7.2.6.2.5), conducted disturbances
of radio-frequency fields (subclause 7.2.6.2.6), power frequency magnetic field
(subclause 7.2.6.2.7), and voltage temporary drop and interruption (subclause
7.2.6.2.8), power supply harmonic wave (subclause 7.2.6.2.9), the limit of high
frequency (subclause 7.2.6.3.2) and the limit of low frequency (subclause 7.2.6.3.3);
— addition of determination of the value of gain ratio (subclause 8.4.2.1);
— in subclause 8.4.2.4, “The light receiver moves toward the light transmitter” is
changed to “The light receiver axially moves toward the light transmitter”.
— addition of the method for measurement of the operating frequency of a photoelectric
proximity switch (many manufacturers and enterprises abbreviate “photoelectric
proximity switch” as “photoelectric switch” nowadays) (subclause 8.5.3) ;
— in subclause 8.6, addition of conducted disturbances of radio-frequency fields
(subclause 8.6.2.4), power frequency magnetic field (subclause 8.6.2.5), voltage
temporary drop and interruption (subclause 8.6.2.6), power supply harmonic wave
(subclause 8.6.2.6), and transmitting (subclause 8.6.3);
— in Annex D, addition of the integrated tie-in of M12φ4-pinn AC proximity switch (figure
D.5), the integrated tie-in of M12φ5-pin AC proximity switch (figure D.6), and the
integrated tie-in of M12φ6-pin AC proximity switch (figure D.7);
— addition of Annex F (informative) and Symbols of proximity switches.
In this Part, Annexes A, B, C, D, and E are normative and Annex F is informative.
This Part was proposed by China Electrical Equipment Industrial Association.
This Part is under the jurisdiction of National Technical Committee on Low-voltage
Apparatus of Standardization Administration of China (SAC/TC 189).
The responsible drafting organization of this Part is Shanghai Electrical Apparatus
Research Institute (Group) Co., Ltd
The participating drafting organizations include Omron (China) Co., Ltd and China Quality
Certification Center.
The chief drafting staffs of this Part include Ji Huiyu, Huang Jingye, and Chen Xiaodong.
The participating drafting staffs of this Part include Han Lu, Zhang Yong.
This Part replaces the following historical editions. GB/...
......
Source: Above contents are excerpted from the PDF -- translated/reviewed by: www.chinesestandard.net / Wayne Zheng et al.
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