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GB 30439.3-2013: Safety requirements for industrial automation products -- Part 3: Safety requirements for temperature transmitter
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Safety requirements for industrial automation products -- Part 3: Safety requirements for temperature transmitter
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GB 30439.3-2013
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Basic data
| Standard ID | GB 30439.3-2013 (GB30439.3-2013) |
| Description (Translated English) | Safety requirements for industrial automation products -- Part 3: Safety requirements for temperature transmitter |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | N10 |
| Classification of International Standard | 19.080; 25.040.01 |
| Word Count Estimation | 54,539 |
| Quoted Standard | GB/T 1633-2000; GB/T 3098.1-2000; GB/T 3098.3-2000; GB/T 4207-2003; GB 4208-2008; GB 4793.1-2007; GB/T 5465.2-2008; GB/T 7354-2003; GB 9364.1-1997; GB 9364.2-1997; GB 9364.3-1997; GB 9364.4-2006; GB/T 11020-2005; GB/T 11021-2007; GB/T 11918-2001; GB/T 119 |
| Regulation (derived from) | National Standards Bulletin 2013 No. 27 |
| Issuing agency(ies) | General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China |
| Summary | This standard specifies the temperature transmitter for use in industrial processes (hereinafter referred to as the transmitter) Anti-shock and electrical burns, mechanical hazards prevention, anti-flame spread outward from the transmitter, anti-over effe |
GB 30439.3-2013: Safety requirements for industrial automation products -- Part 3: Safety requirements for temperature transmitter
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Safety requirements for industrial automation products.Part 3. Safety requirements for temperature transmitter
ICS 19.080; 25.040.01
N10
National Standards of People's Republic of China
Safety requirements for industrial automation products
Part 3. Safety requirements Temperature Transmitter
Part 3. Safetyrequirementsfortemperaturetransmitter
Issued on. 2013-12-31
2015-01-01 implementation
Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China
Standardization Administration of China released
Table of Contents
Introduction Ⅲ
1 Scope 1
2 Normative references 1
3 Terms and definitions 2
4 Test 6
5 Marking and documentation 9
6 anti-shock 13
7 against mechanical hazard 25
8 resistant to mechanical shock and impact 25
9 to prevent the spread of flame 27
Temperature limit and thermal equipment 10 31
11 Anti-dangerous fluid 34
12 radiation (including laser source), acoustic and ultrasonic pressure 34
13 pairs of gas release, explosion and implosion protection 34
34 14 Component
Appendix A (normative) touch current measurement circuit (see 6.3) 36
Appendix B (normative) Standard test finger (see 6.2) 39
Annex C (normative) clearances and creepage distances measuring 41
Annex D (normative) during specified parts insulation requirements (see 6.4 and 6.5.2) 45
Appendix E (normative) to reduce pollution levels 48
Annex F (normative) Routine tests 49
Figure 1 under normal conditions, charging and capacity limit of a single fault condition 15
Figure 2 under single fault conditions can instantaneously reach maximum short duration voltage [see 6.3.2a)] 16
3 Use the ball impact test Figure 26
Figure 4 illustrates a flowchart prevent flame spread requirements 27
Figure 5 Bezel 29
Regional structure of FIG. 6 to comply 9.3.1b) 1) the provisions of the housing bottom 29
7 Ball pressure test apparatus 33
Figure A.1 frequency is less than or equal to 1MHz AC and DC measurement circuit 36
Figure A.2 frequency is less than or equal to 100Hz sinusoidal AC and DC measurement circuit 37
Figure A.3 electrical burns current measurement circuit 37
Figure A.4 moist touch current measurement circuit 38
Figure B.1 rigid test finger (GB/T 16842-2008 trial with 11) 39
Figure B.2 articulated test finger (GB/T 16842-2008 trial with B) 40
Figure C.1 clearances and creepage distance measurement method of example 41
Figure D.1a) ~ d) hazardous live circuits under normal conditions do not exceed the limits 6.3.2 ACCESSIBLE parts and having an external terminal
Between the protective circuit 45
Other circuit diagram D.1e) ~ h) hazardous live circuits under normal conditions does not exceed the limit and having external terminals 6.3.2 between
46 Protection
Figure D.2a) and b) are not accessible to other parts connected to accessible parts hazardous live internal protection circuit 46
Figure D.2c) and under d) does not exceed the normal conditions 6.3.2 limit the secondary circuit can be touched hazardous live terminals of the primary circuit
47 Protection
D.3 two external hazardous live circuit diagram accessible terminal 47 protection
Table 1 Symbol 10
Table 2 assembly screws tightening torque 18
Table 3 MAINS circuit clearances and creepage distances 20
Table 4 by the clearances grid power supply circuit 21
Table 5 Basic insulation test voltage of 23
Table 6 allows the housing bottom opening 28
Table 7 limits the maximum available current value 30
Table 8 overcurrent protective device 30
Table 9 Surface temperature limit of 31 normal conditions
Table 10 winding insulation material 31
Table 11 impulse withstand voltage 35
Table 12 output impedance of the pulse generator 35
Table C.1 Pollution Registration Form 41
Table E.1 given additional protection through the use of so reduce pollution levels inside 48
Foreword
All technical content of this part of GB 30439-2013 is mandatory.
GB 30439 "Industrial Automation product safety requirements" is divided into 18 sections as follows.
--- Part 1. General;
--- Part 2. pressure/differential pressure transmitter safety requirements;
--- Part 3. Temperature Transmitter safety requirements;
--- Part 4. Safety requirements for the control valve;
--- Part 5. flowmeter safety requirements;
--- Part 6. solenoid valve safety requirements;
--- Part 7. loop controller safety requirements;
--- Part 8. Safety requirements for electric actuators;
--- Part 9. Digital display instrument safety requirements;
--- Part 10. recording instrument safety requirements;
--- Part 11. Programmable Controller safety requirements;
--- Part 12. Radar level meter and ultrasonic level meter safety requirements;
--- Part 13. magnetostrictive level gauge safety requirements;
--- Part 14. Power meter safety requirements;
--- Part 15. industrial process measurement and control signal distribution, isolation, conversion, alarm processing unit safety requirements;
--- Part 16. Safety requirements for differential pressure flow meter;
--- Part 17. ultrasonic flow meter safety requirements;
--- Part 18. Safety requirements for pressure gauge auxiliary device.
This is Part 3 GB 30439's.
This section drafted in accordance with GB/T 1.1-2009 given rules.
This part is proposed by China Machinery Industry Federation.
This part of the National Industrial Process Measurement and Control Standardization Technical Committee (SAC/TC124), the national measurement, control and laboratory electric
Device Security Standardization Technical Committee (SAC/TC338) centralized.
This section is drafted. Chongqing Yutong System Software Inc., Southwest University, Fujian on the Run Precision Instrument Co., Ltd., Hangzhou Pangu since
Automation System Co., Ltd., China Silian Instrument Group Co., Ltd., Nanjing gifted times Electric Co., Ltd., Siemens (China) Co., Ltd.
Shanghai Chen Bamboo Instrument Co., Ltd., Beijing Far East Instrument Co., Ltd., Fuzhou Baxter Automation Equipment Co., Ltd., Zhongshan City, East Kawasaki Electric
Ltd., Xiamen-Automation Technology Co., Ltd., Zhejiang Lunte Electrical Co., Ltd. Anton Xiamen Electronics Co., Ltd., Shanghai Tian Valley Self
Automation Instrumentation Co., Endress + Hauser Automation Equipment Co., Ltd., Anhui Rand Group Co., Ltd., Beijing New-Technology-dimensional Sheng
Co., Ltd. Shenzhen Wan News Controls.
The main drafters of this section. Zhou Yue, Feng Wei, Liu Feng, Zhao Yixin, Huang Wei, Zou Chong, Ge Jian, Guo hero, Liu Jin, Dong Jian, Feng Xiaoping,
Wangzhu Ping, Wang Yue, Qi Jianfeng, Zhou Songming, Zhou Yu, Cao Ping Yang, Wu Galen, Xiao country specifically, Cao Zhizhong, He Jialin, Yin Shing House, Cheung Po Chun, Yuan Minxun.
Safety requirements for industrial automation products
Part 3. Safety requirements Temperature Transmitter
1 Scope
GB 30439 provisions of this part of the industrial processes used in temperature transmitters (hereinafter referred to as transmitter) protection against electric shock and electrical burns, anti-machine
Mechanical dangerous, anti-flame spread outward from inside the transmitter, anti-over effect of heat secure content.
This section does not include security features and device-independent, performance or other characteristics, the effectiveness of transport packaging, electromagnetic compatibility (EMC) to
Requirements, functional safety, environmental protection measures for the explosion, maintenance (repair), maintenance (repair) personnel protection.
This section applies to industrial process measurement and control transmitter.
2 Normative references
The following documents for the application of this document is essential. For dated references, only the dated version suitable for use herein
Member. For undated references, the latest edition (including any amendments) applies to this document.
Determination of GB/T 1633-2000 thermoplastics Vicat softening temperature (VST) of
GB/T 3098.1-2000 Mechanical properties of fasteners Bolts, screws and studs
GB/T 3098.3-2000 Mechanical properties of fasteners Set screws
GB/T 4207-2003 solid insulating materials under moist conditions index tracking of the measuring method and the proof tracking index compared
GB 4208-2008 shell protection (IP code)
GB 4793.1-2007 measurement, control and laboratory safety requirements for electrical equipment - Part 1. General requirements
GB/T 5465.2-2008 Graphical symbols for electrical equipment - Part 2. Graphical symbols
GB/T 7354-2003 partial discharge measurement
GB 9364.1-1997 Miniature fuses - Part 1. Definitions and miniature fuses and general requirements for miniature fuse-links
GB 9364.2-1997 Miniature fuses - Part 2. Cartridge fuse
GB 9364.3-1997 Miniature fuses - Part 3. ultra-small fuse
GB 9364.4-2006 Miniature fuses - Part 4. Universal modular fuse
Listing flammability test method GB/T 11020-2005 solid non-metallic materials when exposed to flame sources
GB/T 11021-2007 heat resistance, electrical insulation rating
GB/T 11918-2001 industrial plug and socket couplers - Part 1. General requirements
GB/T 11919-2001 industrial plug and socket coupling - Part 2. With pin and sleeve size interchangeable electrical accessories
Requirements
GB/T 12113-2003 touch current and protective conductor current measurement methods
GB 14048.1-2006 Low-voltage switchgear and control equipment - Part 1. General
GB 14048.3-2008 Low-voltage switchgear and control equipment - Part 3. Switches, disconnectors, switch and fuse group
Electrical Appliances
GB/T 16842-2008 housing for people and equipment protection test with a test
GB/T 16927 (all parts) high-voltage test techniques
GB/T 16935.1-2008 within low-voltage systems Insulation coordination for equipment - Part 1. Principles, requirements and tests
GB/T 16935.3-2005 within low-voltage systems Insulation coordination for equipment - Part 3. Using the coating, potting or molding for protection against pollution
IEC 60027-3.2002 Letter symbols used in electrical technology - Part 3. Logarithmic and related quantities, and their units (Lettersymbolsto
beusedinelectricaltechnology-Part 3. logarithmicandrelatedquantitiesandtheirunits)
ANSI/UL248-14.2004 safety standards for low-voltage fuses - Part 14. Auxiliary fuse (Standardforsafetyfor
low-voltagefuses-Part 14. Supplementalfuses)
3 Terms and Definitions
GB 4793.1-2007 defined and the following terms and definitions apply to this document. For ease of use, repeat the following list
The GB 4793.1-2007 certain terms and definitions.
Unless otherwise specified, "voltage" value and "current" refers to the value of RMS AC, DC, or synthetic voltage or current.
Category 3.1 equipment and devices
3.1.1
Stationary equipment fixedequipment
Fixed to the support member or an additional fixture at a specific location.
[GB 4793.1-2007, the definition 3.1.1]
3.1.2
PERMANENTLY CONNECTED EQUIPMENT permanentlyconnectedequipment
Scheduled to use screw terminals or other reliable methods and building installation wiring connected device.
3.1.3
Portable device portableequipment
A closed system, it can be moved in operation, along with the power supply or can it be easily moved from one location to another. example
For example, programming and debugging tool (PADT) and test equipment (TE).
3.1.4
Handheld device hand-heldequipment
One of the available single-handedly carrying the other hand operated device.
3.1.5
Tools tool
To help people to perform some kind of mechanical function and use, including keys and coins, including an external device.
[GB 4793.1-2007, the definition 3.1.5]
3.2 Parts and Accessories
3.2.1
Terminal terminal
A component of the apparatus (device) connected to the outer conductor provided.
Note. The terminal can contain one or more contacts, so that the term also includes sockets, connectors and the like.
3.2.2
Functional ground terminal functionalearthingterminal
To a point directly measuring or control circuit, or directly with a shield portion is electrically connected, but also reservations
To be used for any function other than safety purposes purpose a ground terminal.
3.2.3
Protective Conductor Terminal protectiveconductorterminal
For security purposes and conductive parts of equipment are connected, but also with a predetermined external terminal connected to protective earthing system.
3.2.4
Protective conductor protectiveconductor
For security purposes (for example, protection against electric shock) to provide a conductor.
3.2.5
Housing enclosure
Provide protection suitable for the intended application and the type of housing protection rating.
[GB 4793.1-2007, the definition 3.2.4]
3.2.6
Baffle barrier
Prevent parts from any direction normal close direct contact provided.
[GB 4793.1-2007, the definition 3.2.5]
3.3 Electrical values
3.3.1
Rated (value) rated (value)
Usually by the manufacturer for the components, apparatus, or device reaches a given magnitude of working status.
[GB 4793.1-2007, the definition 3.3.1]
3.3.2
Rating rating
A set of ratings and working conditions.
[GB 4793.1-2007, the definition 3.3.2]
3.3.3
Operating voltage workingvoltage
When the device is working under conditions of normal use, considered on insulation or components are exposed to or be able to withstand a maximum voltage.
Note 1. The instantaneous voltage is not considered.
Note 2. The open circuit conditions and normal conditions are to be considered.
3.4 Test
3.4.1
Type test typetest
For one or more products of the project done by a representative compliance testing.
[GB 4793.1-2007, the definition 3.4.1]
3.4.2
Routine tests (routine tests) routinetest
During or after the manufacturing of various technical indicators do conformance testing.
[GB 4793.1-2007, the definition 3.4.2]
3.5 Security Terminology
3.5.1
(Parts) palpable accessible (ofapart)
6.2 When prescribed use standard test finger or test pin accessible.
[GB 4793.1-2007, the definition 3.5.1]
3.5.2
Dangerous hazard
Potential source of harm.
3.5.3
Hazardous live hazardouslive
It means capable of causing electrical shock or burns under normal conditions of use or single fault condition.
Applicable under normal conditions of use values refer to GB 4793.1-2007 specified in 6.3.1; values apply to single fault conditions, see
GB 4793.1-2007 specified in 6.3.2.
3.5.4
Power supply mains
It is designed to make about the device connected thereto need for equipment to provide electricity for the purpose of low voltage power supply system.
3.5.5
MAINS circuit mainscircuit
Intended to be connected with the power supply, the device providing power circuits.
3.5.6
Protective impedance protectiveimpedance
It is treated as a single component failures, component or a combination of basic insulation and limiting/pressure limiting device combination. Impedance, structure and
Reliability is such that, when between hazardous live parts and accessible conductive parts are connected, which provide normal conditions and single fault conditions
Under this section the required degree of protection.
3.5.7
Protection connection protectivebonding
To make electrical ACCESSIBLE conductive parts or protective screen and for the external protection conductor is connected with electrical continuity and having carried
connection.
3.5.8
Normal use normaluse
Operation according to instructions or intended use by the apparent instructions, including standby.
In most cases, the normal use also refers to normal conditions, because the use of manual warns users not to use the change in non-normal conditions
Transmitter.
3.5.9
Normal conditions normalcondition
All protective measures to prevent dangerous conditions are perfect, that is no fault condition.
3.5.10
Single fault condition singlefaultcondition
Protective measures to prevent the risk of a failure condition occurs or is likely to cause some dangerous and a fault condition.
Note. If a single fault condition will inevitably lead to another single fault conditions, such a two failures are considered a single fault
condition.
3.5.11
Operator operator
According to the intended use of the device to operate the equipment man.
Note. the operator for this purpose should be properly trained.
3.5.12
Responsible responsiblebody
Responsible for the maintenance and use of equipment or operating personnel to ensure adequate training for individuals or organizations.
3.5.13
Wet locations wetlocation
Possible presence of water or other conductive liquid, and because of damp and wet human contact with the device and the environment or human contact
Which may make the body impedance reducing place.
3.6 Insulation
3.6.1
Basic insulation basicinsulation
Insulation HAZARDOUS LIVE parts which provides basic protection.
[GB 4793.1-2007, the definition 3.6.1]
3.6.2
Additional insulation supplementaryinsulation
In addition to basic insulation independent insulation outside also uses for fault protection.
[GB 4793.1-2007, the definition 3.6.2]
3.6.3
Double insulation doubleinsulation
Constituted by the basic insulation and supplementary insulation.
[GB 4793.1-2007, the definition 3.6.3]
3.6.4
Reinforced insulation reinforcedinsulation
Insulation dangerous live parts, which provides insulation equivalent to double the level of protection against electric shock.
NOTE. Reinforced insulation may comprise several layers, these layers can not be alone as a basic or supplementary insulation testing.
[GB 4793.1-2007, the definition 3.6.4]
3.6.5
Pollution polution
It will lead dielectric strength or surface resistivity reduced solid, liquid or gaseous (ionized gas) additional foreign substances.
3.6.6
Pollution degree (in the micro-environment) polutiondegree (inthemicro-environment)
To determine the clearances and creepage distances, the pollution degree microenvironment as the following three grades.
Note 1. The build-up of foreign matter and moisture can cause conductive insulator contamination.
Note 2. The minimum clearances for pollution degree Pollution Degree 2 and 3 are given based on experience rather than raw data.
3.6.6.1
Pollution Level 1 polutiondegree1
No pollution or only dry non-conductive pollution, the pollution has no adverse effect.
[GB 4793.1-2007, the definition 3.6.6.1]
3.6.6.2
Pollution Level 2 polutiondegree2
Normally only non-conductive pollution, but occasionally due to condensation and short conductive.
3.6.6.3
Pollution Level 3 polutiondegree3
Conductive pollution or dry non-conductive pollution which becomes conductive due to condensation.
Note. In this condition, the device is usually to prevent exposure to direct sunlight, rain, strong wind pressure, but it need not control the temperature or humidity.
3.6.7
Clearance clearance
Space the shortest distance between two conductive parts.
According to GB/T 16935.1-2008 provisions in 1.3.2.
3.6.8
Creepage distance creepagedistance
Along the shortest distance between two conductive insulating solid surface material parts.
[GB 4793.1-2007, the definition 3.6.8]
4 Test
4.1 Overview
GB 30439 in this section All tests are type tests on the sample or parts of the transmitter carried out. These tests
The only purpose is to examine whether the design and construction to ensure compliance with this requirement. In addition, the manufacturer shall produced at the same time dangerous
LIVE parts and ACCESSIBLE conductive parts or components of transmitter 100% for routine tests specified in Appendix F.
To satisfy the provisions of this Part and the relevant standards according to these requirements for use of the transmitter subassembly, the entire transmitter test pattern
You do not have to repeat the test during the test.
It should be checked by all applicable test meets the requirements of this section, but if the examination of the transmitter can really prove certainly pass
Had a trial, then this test may be omitted. Test under the following conditions.
--- Reference test conditions (see 4.3);
--- Fault conditions (see 4.4).
NOTE. If performing compliance test, or a measured value of the applied (such as voltage) of the actual value due to errors and uncertainty, then.
--- Manufacturer to ensure that the value of the test is applied to at least a predetermined value;
--- Test departments should ensure that the test applied is not greater than the value specified.
4.2 Test procedure
Subject to the provisions of this section, the test sequence may be optionally substituted. After each trial to test the transmitter should be carefully checked. in case
Test results have doubts, doubts if the test reverse the order of the trial whether any of the preceding pass true, the front of these tests
It should be repeated. If the test will damage the transmitter under fault conditions, these tests can be placed under the test conditions of the reference test
after that.
4.3 reference test conditions
4.3.1 Environmental Conditions
Except as otherwise provided in this section, test sites shall meet the following conditions.
a) Temperature. 15 ℃ ~ 35 ℃;
b) Relative humidity. not exceed 75%;
c) Atmospheric pressure. 75kPa ~ 106kPa;
d) no frost, condensation, water seepage, rain and sunshine.
4.3.2 transmitter status
Unless otherwise specified, each test should be assembled on the transmitter can be used normally, and most of the provisions in 4.3.2.1 ~ 4.3.2.8
Conducted under unfavorable combination of conditions.
It should be required to the manufacturer's instructions for installation.
4.3.2.1 Transmitter Location
The transmitter is in any position of normal use, and any ventilation unobstructed.
4.3.2.2 Accessories
Recommended by the manufacturer or supplied, accessories and operator transmitter for use with interchangeable parts should be connected or not
connection.
4.3.2.3 lid and removable parts
Without tools or removal of the lid parts should be removed or not removed.
4.3.2.4 Power
Shall comply with the following requirements.
Between a) 90% ~ 110% supply voltage at the transmitter can be set to any nominal supply voltage, or if the transmitter
To adapt to the provisions of the greater voltage fluctuations, the supply voltage should be any voltage fluctuations within the range of reach;
b) DC power supply transmitter should be respectively connected to the normal polarity and an opposite polarity;
c) a reference test power poles should be in the ground or near ground.
4.3.2.5 ground terminal
If the protective ground terminal, it should be connected to earth. Functional ground terminal should be grounded or ungrounded.
4.3.2.6 control member
It controls the operator to manually adjust should be set in any position, except in the following circumstances.
a) power supply selection means should be provided in the correct position;
b) If the mark on the transmitter manufacturer's logo is prohibited combination of settings, it may not be combined set.
4.3.2.7 connection
The transmitter should be according to their intended use connected or not.
4.3.2.8 Output
For providing an electrical output of the transmitter.
Working condition a) of the transmitter should be able to provide the rated output power of the rated load;
b) to any output, rated load impedance should be connected or not.
4.4 Test under single fault conditions
4.4.1 Overview
It should be according to the following requirements.
a) Check the circuit diagram of the transmitter and can usually determine whether there is likely to cause dangerous fault conditions and therefore whether it should be applied;
b) In addition to proof of a specific fault conditions likely to cause danger, the test shall be the fault;
c) The transmitter shall operate at reference test conditions (see 4.3) the most unfavorable combination of conditions, for different faults, which combined strip
Member can vary, these combined conditions should be recorded during each test.
4.4.2 Fault conditions imposed
Fault conditions 4.4.2.1 ~ 4.4.2.6 should include provisions for fault conditions. These fault conditions can only be applied to one and should press
Sequentially applied in any convenient order, can not be applied more than one fault at the same time, the results unless it is applied to a fault caused by a fault.
After each applied once the fault condition, the transmitter or parts shall pass the applicable test 4.4.4.
4.4.2.1 Impedance protection
a) If the impedance protection is a combination of components to form, it should be shorted or open each component, choose one of the more not
Lee's.
b) If the impedance protection by basic insulation and current limiting or pressure-limiting devices to form, the basic insulation and current limiting pressure limiting device, or both
Caught should afford a single fault condition, once applied to a fau...
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