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GB 30439.2-2013: Safety requirements for industrial automation products -- Part 2: Safety requirements for pressure (differential) transmitter
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Safety requirements for industrial automation products -- Part 2: Safety requirements for pressure (differential) transmitter
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GB 30439.2-2013
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Basic data
| Standard ID | GB 30439.2-2013 (GB30439.2-2013) |
| Description (Translated English) | Safety requirements for industrial automation products -- Part 2: Safety requirements for pressure (differential) transmitter |
| Sector / Industry | National Standard |
| Classification of Chinese Standard | N10 |
| Classification of International Standard | 19.080; 25.040.01 |
| Word Count Estimation | 18,149 |
| Quoted Standard | GB 42208-2008; GB 4793.1-2007; GB/T 5169.16-2008; GB/T 5465.2-2008; GB/T 16842-2008; IEC 60027 |
| 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 pressure/differential pressure transmitter (hereinafter referred to as the transmitter) hazardous industrial machinery used in the process, over temperature, flame spread outward from the transmitter, the impact of fluid and fl |
GB 30439.2-2013: Safety requirements for industrial automation products -- Part 2: Safety requirements for pressure (differential) 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 2. Safety requirements for pressure (differential) transmitter
ICS 19.080; 25.040.01
N10
National Standards of People's Republic of China
Safety requirements for industrial automation products
Part 2. Safety requirements for pressure/differential pressure transmitter
Part 2. Safetyrequirementsforpressure (differential) transmitter
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
Foreword
All technical content of this part of GB 30439-2013 is mandatory.
GB 30439 "Industrial Automation product safety requirements" is divided into 18 parts.
--- 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. Echo Ranging (TOF) 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. Safety requirements for the ultrasonic flowmeter;
--- Part 18. Safety requirements for pressure gauge auxiliary device.
This section is part of the 2 GB 20439.
This standard was 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. Beijing Far East Instrument Co., Ltd., Chongqing Sichuan Instrument Automation Co., Southwest University, industrial machinery equipment
Instrumentation Technology and Economy Institute, Chongqing Wei detector Manufacturing Co., Ltd., Shanghai Weier Tai Industrial Automation Co., Ltd., Ningxia silver
Star Energy shares Wuzhong Instrument Company, Central-day instrument Co., Ltd., Shanghai Automation Instrumentation Co., Ltd., Shanghai Guanghua Instrument Co.
, Siemens (China) Co., Ltd., Beijing Hua Control Technology Co., Ltd., Fujian on the Run Precision Instrument Co., Ltd., Shanghai Automation Instrument
Table Institute.
The main drafters of this section. Zhao Lixing, Wuhui Hua, Zhou Xuelian, Liu Xiaojing, TANG Tian, Lu Xiaomeng, Wang Yong, Wang Zhi Lin, Tianquan Lin, Qu Guofang,
Shi Hailin, Gu Jianhua, Gengdong Han, Ge Jian, Li Jiajia, Mei Ke, Wang Jianhua, Cheng Yuk, Wang Yumin, Huang Yi Pu, Cai Bing exercise Zhoupei Xia.
Safety requirements for industrial automation products
Part 2. Safety requirements for pressure/differential pressure transmitter
1 Scope
GB 20439 of the provisions of this part of the industrial processes used in pressure/differential pressure transmitter (hereinafter referred to as the transmitter) of mechanical hazards, too
Heat, flames spread outward from inside the transmitter, the safety requirements affect fluid and fluid pressure, explosion and implosion.
This section does not include security-related equipment and reliable function, performance or other characteristics, the effectiveness of transport packaging, electromagnetic compatibility
(EMC) requirements for an explosive environment protection measures, maintenance (repair), protective maintenance (repair) personnel.
This section applies to rely on less than safe voltage DC power, battery-powered or pneumatic transmitter.
Note. The value of safe voltage see GB 4793.1-2007 6.3.1.
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.
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 5169.16-2008 Fire hazard testing for electric and electronic products - Part 16. Test flames - 50W horizontal and vertical flame
experiment method
GB/T 5465.2-2008 Graphical symbols for electrical equipment - Part 2. Graphical symbols
GB/T 16842-2008 housing for people and equipment protection test with a test
IEC 60027 electrical technology text symbols (Lettersymbolstobeusedinelectricaltechnology)
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.
Category 3.1 equipment and devices
3.1.1
PERMANENTLY CONNECTED EQUIPMENT permanentlyconnectedequipment
Only method of permanent connection with the tool to disconnect the power supply and electrical connection devices.
[GB 4793.1-2007, the definition 3.1.2]
3.1.2
Tools tool
, Including keys and coins, including an external device to help people to perform some kind of mechanical function and use.
[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. [IEV151-01-03, revised edition]
Note. The terminal can contain one or more contacts, so that the term also includes sockets, connectors and the like.
[GB 4793.1-2007, the definition 3.2.1]
3.2.2
Functional ground terminal functionalearthterminal
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.
Note. The measuring equipment, the terminal is often referred to as measuring ground terminal.
[GB 4793.1-2007, the definition 3.2.2]
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.
[GB 4793.1-2007, the definition 3.2.3]
3.2.4
Housing enclosure
Protect the unit against certain external influences and prevent parts from any direct contact with the direction provided.
[GB 4793.1-2007, the definition 3.2.4]
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. [IEV151-04-03]
[GB 4793.1-2007, the definition 3.3.1]
3.3.2
Rating rating
A set of ratings and working conditions. [IEV151-04-04]
[GB 4793.1-2007, the definition 3.3.2]
3.4 Test
Type test typetest
For a particular design, in order to prove that the design and structure is able to meet one or more requirements of this part and of one or more devices
Taiwan sample (or device components) tests carried out. [IEV151-04-15, revised edition]
Note. This is IEV151-04-15 definition expanded to include both the design requirements and structural requirements.
[GB 4793.1-2007, the definition 3.4.1]
3.5 Security Terminology
3.5.1
(Parts) palpable accessible (ofapart)
As prescribed in Appendix A of the standard test finger or test can pin accessible.
[GB 4793.1-2007, the definition 3.5.1]
3.5.2
Dangerous hazard
Potential source of harm.
[GB 4793.1-2007, the definition 3.5.2]
3.5.3
Normal use normaluse
Operation according to instructions or intended use by the apparent instructions, including standby.
NOTE. In most cases, the normal use also refers to normal conditions, because the use of manual warns users not to use the device under abnormal conditions.
[GB 4793.1-2007, the definition 3.5.9]
3.5.4
Normal conditions normalcondition
All protective measures to prevent dangerous conditions are intact.
[GB 4793.1-2007, the definition 3.5.10]
3.5.5
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.
[GB 4793.1-2007, the definition 3.5.11]
3.5.6
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.
[GB 4793.1-2007, the definition 3.5.12]
3.5.7
Responsible responsiblebody
Responsible for the maintenance and use of equipment or operating personnel to ensure adequate training for individuals or organizations.
[GB 4793.1-2007, the definition 3.5.13]
4 Test
4.1 Overview
In this section all tests are type tests on the sample or parts of the transmitter carried out. The only purpose of these tests is to
Test whether the design and construction to ensure compliance with this requirement.
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. 86kPa ~ 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 supply shall be at ground potential or very close to ground;
d) battery-powered transmitter, if connected devices allow reverse, it should respectively normal polarity and opposite polarity.
4.3.2.5 ground terminal
If the protective ground terminal, it should be connected to the ground. 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.
Fault a) Check the circuit diagram of the transmitter and can usually determine whether there may be dangerous and therefore whether it should be applied
condition;
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 ~ 4.4.2.3 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 insulation between circuits and parts
Between circuits and components, insulation values of less than for the basic insulation provided should be short-circuited in order to test whether it can prevent fire
Flame spread.
4.4.2.2 more than one type of power supply transmitters
Are designed to be more than one type of power supply transmitter should be connected to the power supply at the same time, unless the structure can prevent the
Kind of connection.
4.4.2.3 anti-reverse short circuit failure
In the anti-reverse short circuit, the power supply polarity test performed.
4.4.3 Test duration
The results should be made by the failed transmitter it has been applied to produce work never again have further changes so far. Each test a
Generally limited to less than 1h, because two faults caused by a single fault condition usually show up during that time. If there are indications
Ming may eventually produce a flame spread of dangerous or personal injury, the test should be continued until the emergence of these dangerous, or until the maximum time
To 4h, unless in danger before this.
Compliance 4.4.4 after applying the fault condition
4.4.4.1 Temperature
By measuring the outer surface of the housing or can be readily accessible to the temperature of the outer surface of parts to test temperature protection compliance.
Temperature components at an ambient temperature of 40 ℃, or if the ambient temperature is higher, then the maximum rated ambient temperature shall not exceed
105 ℃.
The surface temperature is determined by measuring the temperature rise or parts plus 40 ℃, or if it is above 40 ℃, coupled with the maximum rated ambient temperature
to make sure.
4.4.4.2 flame spread
By the transmitter on a soft surface white wood wrapped in tissue paper, wrapped in gauze on the transmitter to test the spread of fire protection is
No compliance. Molten metal, burning insulation, flaming particles, etc. can not be dropped onto the surface of the transmitter is placed on, and tissue paper or
Gauze shall charring, burning or fire. If this is not a danger, then melt the insulation material should be ignored.
4.4.4.3 Other hazards
According to Chapter 7 and Chapter 8 and Chapter 11 ~ Chapter 15 to examine other risk protection requirements for eligibility.
5 Marking and documentation
5.1 mark
5.1.1 Overview
It should be marked in line with the provisions of 5.1.2 to 5.2 logo on the transmitter. In addition to signs of internal parts, these flags should be from outside
You will be able to see, or if the lid is predetermined by the operator to be removed or opened, then the lid removed without tools, these signs should
As you can see from the outside. Flag applies to the entire transmitter operator shall not be marked on the parts can be removed without tools.
Letter symbols and units of measure shall comply with IEC 60027, if applicable, graphic symbols shall comply with the provisions in Table 1. symbol
No. No color requirements. Graphic symbols should be interpreted in the file.
Note 1. The symbol should be used if applicable IEC and ISO regulations.
Note 2. The flag shall mark the bottom of the transmitter.
By visual inspection to verify compliance.
5.1.2 Logo
The transmitter should be marked with at least the following.
a) the name or trademark of the manufacturer or supplier.
b) type, name, or other methods to identify the transmitter. If provided with the same identification (model) is a transmitter
Production sites on manufacturing, the manufacturing production sites for each transmitter, the flag should be able to identify the transmitter birth
Production site.
Note. The location of the factory sign the code can be used, but do not mark the outside of the transmitter.
c) working pressure range of the transmitter or the maximum working pressure rating.
By visual inspection to verify compliance.
5.1.3 Power
The transmitter should be marked with the following information.
a) nature of supply. DC. Table 1 of the symbol.
b) rated supply voltage or the rated voltage range.
Note. You can also mark the rated voltage fluctuation value.
c) the maximum rated power of all connected accessories or plug-in module, unit W, or the maximum rated input current. If the transmitter
You can use more than one voltage range, the voltage range corresponding to each should be separately marked, unless the maximum and minimum difference
Not more than 20% of the average.
Note. 4mA ~ 20mA two-wire transmitter is not applicable.
d) the operator can be set to use different rated supply voltage of the transmitter should be equipped with a set of instructions loaded voltage transmitter
Home. If the transmitter is made without tools in the structure of the power supply voltage can change the settings, then change the operating voltage settings
At the same time also be able to change the voltage indication.
Compliance is checked by visual inspection and by measuring the power or input current to verify 5.1.3c) specified flag. Electrical measurements should be
After the current reaches a steady state (usually after 1min) in order to avoid counting any initial inrush current. The transmitter should be at the maximum power consumption
Rate state. Irrespective of transients, the measured value is greater than the value of the flag, not exceed 10% of the value of the flag.
Table 1 Symbol
No. Symbol Standard Description
1 GB/T 5465.2 (5031) DC
2 GB/T 5465.2 (5017) ground terminal
3 ISO 7000 careful danger (see Note)
4 GB/T 5465.2 (5019) Protective Conductor Terminal
Note. Requires manufacturer's instructions under this symbol in all cases must be access to documents, see 5.4.1.
5.1.4 terminal connections and operating means
If security is necessary, then the pair of terminals, connectors, controls and indicators for any discharge with such as a gas, a liquid used
It should give its connector indication purposes. If there is not enough space, you can use the symbol 3 of Table 1.
NOTE. For each pin multi-pin connector does not have to be marked.
The following terminals should be marked according to the following provisions.
a) functional ground terminal symbol 2 of Table 1;
b) Protective Conductor Terminal symbol 41 of Table;
c) and ACCESSIBLE conductive parts connected to ACCESSIBLE function terminal should be marked with the indication of this connection.
By visual inspection to verify compliance.
5.1.5 Field wiring terminal block
If under normal conditions, the ambient temperature is 40 ℃, or (if higher than 40 ℃ when) Field Wiring highest rated ambient temperature
Terminal box or junction box terminals or housing temperature exceeds 60 ℃, it should mark the lowest temperature rated cable connected to the terminal. That
Flag should be able to see when before connecting or connection, or the signs and markings in the vicinity of the terminal.
Flag by visual inspection to verify compliance.
5.2 Warning signs
Warning signs at the transmitter ready for normal use will be able to see. If a warning sign is suitable for a particular portion of the transmitter
Points, the flag should be marked on the label of the specific section or in the vicinity thereof.
The size of the warning sign shall be specified as follows.
a) symbol height should be at least 2.75mm, text height should be at least 1.8mm, text color and background color should form
A contrast.
b) in the molding material, molded or etched symbols or text height should be at least 2.0mm, if you do not intend to form in color
To contrast these symbols or words should have at least 0.5mm depth of depressions or raised height.
If the transmitter in order to maintain protection provided by those responsible need to consult the instructions or operator, the transmitter should be labeled in Table 1
3 symbols. Numeral 3 does not need to be used with the interpretation of the symbol in the specification made.
Warning signs specified in 10.1, Chapter 13.
By visual inspection to verify compliance.
5.3 mark durability
In line with the requirements of 5.1.2 to 5.2 logo should under normal use conditions remain legible, and can withstand specified by the manufacturer of cleaning
Influence agent.
By visual inspection and by the transmitter outside of the flag following the endurance test to verify eligibility. With a cloth stained with Regulation
Cleansing agent (if not specified, then stained with isopropanol), by hand without undue pressure wipe 30s.
After the above process, the flag should still legible, the adhesive label may not appear loose or curling.
5.4 File
5.4.1 Overview
For security purposes, along with the transmitter should provide file containing the following content.
The intended use of a) transmitter;
b) technical specifications;
c) instructions for use;
d) the name and address may be from the manufacturer or supplier to obtain technical assistance;
e) the information specified in 5.4.2 ~ 5.4.5.
If applicable, the warning notice and warning symbols marked on the transmitter it should be made clear explanation is given in the specification, or
Permanently and clearly marked on the transmitter. In particular, it should be given a period of narrative description under Table 1 marked with symbols for all of the cases required 3
To see the file, in order to clarify the nature of the potential dangers as well as any response must be taken.
NOTE. If during normal use involves handling hazardous materials, they have given proper use and safety measures instructions. If the transmitter is specified by the manufacturer or provide
Any hazardous material, but also gives the composition and procedures of the correct handling of hazardous materials.
By visual inspection to verify compliance.
5.4.2 Transmitter Ratings
File should contain the following information.
a) the power supply voltage or voltage range, and power or current rating;
b) a description of all input and output connections;
c) The transmitter is designed for the explanation given range of environmental conditions (see 1.4);
d) If the calibration of the transmitter to meet the GB 4208, the transmitters protection class description.
By visual inspection to verify compliance.
5.4.3 Transmitter Installation
Document should ...
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