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GB/T 38874.2-2020: Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2: Concept phase
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| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 38874.2-2020 | English | 874 |
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Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2: Concept phase
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GB/T 38874.2-2020
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Basic data | Standard ID | GB/T 38874.2-2020 (GB/T38874.2-2020) | | Description (Translated English) | Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2: Concept phase | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | B90 | | Classification of International Standard | 65.060.01; 35.240.99 | | Word Count Estimation | 46,456 | | Date of Issue | 2020-06-02 | | Date of Implementation | 2020-12-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 38874.2-2020: Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2: Concept phase
---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.
Tractors and machinery for agriculture and forestry - Safety-related parts of control systems - Part 2.Concept phase
ICS 65.060.01; 35.240.99
B90
National Standards of People's Republic of China
Agriculture and forestry tractors and machinery
Control system safety related parts
Part 2.Concept stage
(ISO 25119-2.2018, IDT)
2020-06-02 release
2020-12-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Foreword
GB/T 38874 "Safety Related Components for Agriculture, Forestry Tractors and Machinery Control Systems" is divided into the following 4 parts.
---Part 1.General Rules for Design and Development;
---Part 2.Concept stage;
---Part 3.Development of hardware and software series;
---Part 4.Production, operation, modification and support procedures.
This part is Part 2 of GB/T 38874.
This section was drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the translation method to be equivalent to the ISO 25119-2.2018 "Agricultural and Forestry Tractors and Machinery Control System Safety Related Parts
Part 2.Concept stage.
This part is proposed by China Machinery Industry Federation.
This part is under the jurisdiction of the National Agricultural Machinery Standardization Technical Committee (SAC/TC201).
This section was drafted. Henan University of Science and Technology, Hefei Bangli Electronics Co., Ltd., Wuhu Xianli Automation Equipment Co., Ltd., China
Agricultural Mechanization Research Institute, Guangzhou Wisdom Agriculture and Forestry Technology Co., Ltd., Wuhu Standardization Research Institute, Luoyang Xiyuan Vehicle and Power Inspection
Laboratories Limited.
The main drafters of this section. Ji Baofeng, Gao Hongfeng, Zhang Junning, Fang Xibang, Guo Jiaxin, Kua Yong, Li Yuguang, Zhao Qingliang, Wang Lili, Lu Chengcheng,
Li Yang, Li Bo, Chen Song.
Agriculture and forestry tractors and machinery
Control system safety related parts
Part 2.Concept stage
1 Scope
This part of GB/T 38874 specifies the conceptual stage of the development of control system safety-related components (SRP/CS). This section applies to
Agricultural and forestry tractors, agricultural self-propelled machinery, agricultural full- and semi-hanging machinery, agricultural traction machinery, also suitable for municipal machinery (e.g. road cleaning
machine).
This section does not apply to.
--- Agricultural aircraft and agricultural aircraft;
---Lawn and garden equipment.
This part specifies the characteristics and categories required by SRP/CS to perform safety-related functions. This part does not specify the characteristics for specific occasions.
Energy level.
Note 1.Machinery-specific category C standards may specify agricultural performance levels (AgPL) for machinery safety-related functions within its scope. Otherwise, the AgPL specifications are made by
The manufacturer is responsible.
This section applies to electrical/electronic/programmable electronic system (E/E/PES) safety components related to electromechanical systems. This section covers
Covers possible dangers caused by faulty behavior of E/E/PES safety-related systems (including the interaction between these systems). This section does not involve touching
Electricity, fire, smoke, high temperature, radiation, toxicity, flammability, chemical reactivity, corrosion, energy release and other related hazards, unless directly by E/E/PES
Caused by a malfunction of the safety system. This section also covers the failure behavior of E/E/PES safety-related systems under non-E/E/PES hazards, involving
Protective measures, safeguards or safety-related functions.
This section contains examples within the following scope.
---SRP/CS limits the current in the electric hybrid system to prevent insulation failure/risk of electric shock;
---SRP/CS electromagnetic interference;
---Fire protection design of SRP/CS.
This section does not include examples in the following scope.
--- Friction causes insulation failure due to electric shock hazard;
---Electromagnetic radiation affecting nearby machine control systems;
--- Overheating caused by corrosion.
This section does not apply to non-electrical/electronic/programmable electronic systems (E/E/PES) (for example. hydraulic, mechanical or pneumatic).
Note 2.Refer to ISO 12100 for the design principles of machine safety.
This section does not apply to safety-related components of control systems manufactured before the implementation date.
2 Normative references
The following documents are essential for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For the cited documents without date, the latest version (including all amendments) applies to this document.
GB/T 38874.1-2020 Agriculture and Forestry Tractors and Machinery Control System Safety Related Parts Part 1.General Rules for Design and Development
(ISO 25119-1.2018, IDT)
GB/T 38874.3-2020 Safety related components of agricultural and forestry tractors and machinery control systems. Part 3.Development of hardware and software series
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