GB/T 20438.3-2017 PDF EnglishUS$1235.00 · In stock · Download in 9 seconds
GB/T 20438.3-2017: Functional safety of electrical/electronic/programmable electronic safety-related systems -- Part 3: Software requirements Delivery: 9 seconds. True-PDF full-copy in English & invoice will be downloaded + auto-delivered via email. See step-by-step procedure Status: Valid GB/T 20438.3: Historical versions
Similar standardsGB/T 20438.3-2017: Functional safety of electrical/electronic/programmable electronic safety-related systems -- Part 3: Software requirements---This is an excerpt. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.), auto-downloaded/delivered in 9 seconds, can be purchased online: https://www.ChineseStandard.net/PDF.aspx/GBT20438.3-2017 GB NATIONAL STANDARD OF THE PEOPLE’S REPUBLIC OF CHINA ICS 25.040 N 10 GB/T 20438.3-2017 / IEC 61508-3.2010 Replacing GB/T 20438.3-2006 Functional Safety of Electrical / Electronic / Programmable Electronic Safety-Related Systems - Part 3.Software Requirements (ISO 61508-3.2010, IDT) Issued on. DECEMBER 29, 2017 Implemented on. JULY 01, 2018 Issued by. General Administration of Quality Supervision, Inspection and Quarantine; Standardization Administration of PRC. Table of ContentsForeword... 4 Introduction... 6 1 Scope... 9 2 Normative References... 12 3 Definitions and Abbreviations... 13 4 Conformance to this Standard... 13 5 Documentation... 13 6 Additional Requirements for Management of Safety-Related Software... 13 6.1 Objectives... 13 6.2 Requirements... 13 7 Software Safety Lifecycle Requirements... 15 7.1 General... 15 7.2 Software safety requirements specification... 23 7.3 Validation plan for software aspects of system safety... 28 7.4 Software design and development... 30 7.5 Programmable electronics integration (hardware and software)... 46 7.6 Software operation and modification procedures... 48 7.7 Software aspects of system safety validation... 49 7.8 Software modification... 51 7.9 Software verification... 53 8 Functional Safety Assessment... 60 Annex A (Normative) Guide to the Selection of Techniques and Measures... 61 Annex B (Informative) Detailed Tables... 69 Annex C (Informative) Properties for Software Systematic Capability... 74 Annex D (Normative) Safety Manual for Compliant Items – Additional Requirements for Software Elements... 113 Annex E (Informative) Relationships between GB/T 20438.2 and GB/T 20438.3 117 Annex F (Informative) Techniques for Achieving Non-Interference between Software Elements on a Single Computer... 120 Annex G (Informative) Guidance for Tailoring Lifecycles Associated with Data Driven Systems... 126 Bibliography... 131ForewordGB/T 20438 Functional Safety of Electrical/Electronic/Programmable Electronic Safety- Related Systems can be divided into the following 7 parts. --- Part 1.General Requirements; --- Part 2.Requirements for Electrical/Electronic/Programmable Electronic Safety- Related Systems; --- Part 3.Software Requirements; --- Part 4.Definitions and Abbreviations; --- Part 5.Examples of Methods for the Determination of Safety Integrity Levels; --- Part 6.Guidelines on the Application of GB/T 20438.2 and GB/T 20438.3; --- Part 7.Overview of Techniques and Measures. This Part is Part 3 of GB/T 20438. This Part was drafted as per the rules specified in GB/T 1.1-2009. This Part replaced GB/T 20438.3-2006 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems - Part 3.Software Requirements. Compared with GB/T 20438.3-2006, the major technical changes of this Standard are as follows. --- Add the attributes of the software's systematic capabilities (see Annex C of this Edition); --- Add additional requirements for compliance item safety manual - software components (see Annex D of this Edition); --- Add the relationship between GB/T 20438.2 and GB/T 20438.3 (see Annex E of this Edition); ---Add a technology for non-interference between software components in a single computer (see Annex F of this Edition); --- Add life cycle tailoring guidelines for data-driven systems (see Annex G of this Edition). This Part uses translation method to equivalently adopt IEC 61508-3.2010 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems - Part 3.Software Requirements. This Part was proposed by China Machinery Industry Federation. This Part shall be under the jurisdiction of National Technical Committee on Industrial Process Measurement, Control and Automation of Standardization (SAC/TC 124). Drafting organizations of this Part. Instrumentation Technology and Economy Institute of China; Beijing SP Zhishen Control Technology Co., Ltd.; Shanghai Institute of Process Automation & Instrumentation; Pilz Industrial Automation Trading (Shanghai) Co., Ltd.; Beijing HollySys Co., Ltd.; Omron Industrial Automation (China) Co., Ltd.; Siemens (China) Co., Ltd.; and Zonho Electronics Co., Ltd. Chief drafting staffs of this Part. Feng Xiaosheng, Xia Ming, Xiong Wenze, Shi Xueling, Zhou Youzheng, Yang Liu, Huang Zhijiong, Luo An, Zhuang Lingyun, Li Jia, Liu Xiaodong, Mei Hao, Hua Rong, Zhang Long, Ye Jun, Chu Weizhong, Qiu Kun, Meng Zouqing, Xiao Jiaqi, and Wang Deji. The historical edition replaced by this Part is as follows. --- GB/T 20438.3-2006.1 ScopeOne of the responsibilities of a technical committee is, wherever applicable, to make use of basic safety publications in the preparation of its publications. In this context, the requirements, test methods or test conditions of this basic safety publication will not apply unless specifically referred to or included in the publications prepared by those technical committees.2 Normative ReferencesThe following documents are essential to the application of this document. For the dated documents, only the versions with the dates indicated are applicable to this document; for the undated documents, only the latest version (including all the amendments) is applicable to this document. GB/T 20438.1-2017 Functional Safety of Electrical/Electronic/Programmable Electronic Safety-Related Systems – Part 1.General Requirements (IEC 61508-1.2010, IDT)3 Definitions and AbbreviationsFor the purposes of this Document, the definitions and abbreviations given in GB/T 20438.4- 2017 apply.4 Conformance to this StandardThe requirements for conformance of this Part to GB/T 20438 are given in Clause 4 of GB/T 20438.1-2017.5 DocumentationThe objectives and requirements for documentation are given in Clause 5 of GB/T 20438.1- 2017.6 Additional Requirements for Management of Safety- Related SoftwareThe objectives are as detailed in 6.1 of GB/T 20438.1-2017. The requirements are as detailed in 6.2 of GB/T 20438.1-2017, with the following additional requirements.7 Software Safety Lifecycle RequirementsThe objective of the requirements of 7.6 is to provide information and procedures concerning software necessary to ensure that the functional safety of the E/E/PE safety-related system is maintained during operation and modification. The objective of the requirements of 7.7 is to ensure that the integrated system complies with the software safety requirements specification at the required safety integrity level.8 Functional Safety AssessmentFor the selection of appropriate techniques and measures (see Annexes A and B) to implement the requirements of this clause, the following properties (see Annex C for guidance on interpretation of properties, and Annex F of GB/T 20438.7-2017 for informal definitions) of the functional safety assessment should be considered. ......Source: Above contents are excerpted from the full-copy PDF -- translated/reviewed by: www.ChineseStandard.net / Wayne Zheng et al. Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of English version of GB/T 20438.3-2017 be delivered?Answer: The full copy PDF of English version of GB/T 20438.3-2017 can be downloaded in 9 seconds, and it will also be emailed to you in 9 seconds (double mechanisms to ensure the delivery reliably), with PDF-invoice.Question 2: Can I share the purchased PDF of GB/T 20438.3-2017_English with my colleagues?Answer: Yes. The purchased PDF of GB/T 20438.3-2017_English will be deemed to be sold to your employer/organization who actually paid for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. www.ChineseStandard.us -- GB/T 20438.3-2017 -- Click this link and select your country/currency to pay, the exact amount in your currency will be printed on the invoice. Full PDF will also be downloaded/emailed in 9 seconds.Question 5: Should I purchase the latest version GB/T 20438.3-2017?Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 20438.3-2017 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.How to buy and download a true PDF of English version of GB/T 20438.3-2017?A step-by-step guide to download PDF of GB/T 20438.3-2017_EnglishStep 1: Visit website https://www.ChineseStandard.net (Pay in USD), or https://www.ChineseStandard.us (Pay in any currencies such as Euro, KRW, JPY, AUD).Step 2: Search keyword "GB/T 20438.3-2017". Step 3: Click "Add to Cart". If multiple PDFs are required, repeat steps 2 and 3 to add up to 12 PDFs to cart. Step 4: Select payment option (Via payment agents Stripe or PayPal). Step 5: Customize Tax Invoice -- Fill up your email etc. Step 6: Click "Checkout". Step 7: Make payment by credit card, PayPal, Google Pay etc. After the payment is completed and in 9 seconds, you will receive 2 emails attached with the purchased PDFs and PDF-invoice, respectively. Step 8: Optional -- Go to download PDF. Step 9: Optional -- Click Open/Download PDF to download PDFs and invoice. See screenshots for above steps: Steps 1~3 Steps 4~6 Step 7 Step 8 Step 9 |
