{"id":458067,"date":"2024-10-20T09:54:44","date_gmt":"2024-10-20T09:54:44","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bsi-pd-clc-iec-tr-631612024\/"},"modified":"2024-10-26T18:25:28","modified_gmt":"2024-10-26T18:25:28","slug":"bsi-pd-clc-iec-tr-631612024","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bsi-pd-clc-iec-tr-631612024\/","title":{"rendered":"BSI PD CLC IEC\/TR 63161:2024"},"content":{"rendered":"

PDF Catalog<\/h4>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
2<\/td>\nundefined <\/td>\n<\/tr>\n
4<\/td>\nEuropean foreword
Endorsement notice <\/td>\n<\/tr>\n
5<\/td>\nAnnex ZA (normative) Normative references to international publications with their corresponding European publications <\/td>\n<\/tr>\n
6<\/td>\nCONTENTS <\/td>\n<\/tr>\n
8<\/td>\nFOREWORD <\/td>\n<\/tr>\n
10<\/td>\nINTRODUCTION <\/td>\n<\/tr>\n
11<\/td>\n1 Scope
2 Normative references
3 Terms and definitions <\/td>\n<\/tr>\n
14<\/td>\n4 Risk based quantitative approach
4.1 General
4.2 Sequence of steps in functional safety assignment <\/td>\n<\/tr>\n
16<\/td>\n4.3 Reference information
4.3.1 General
Figures
Figure 1 \u2013 Sequence of steps in functional safety assignment <\/td>\n<\/tr>\n
17<\/td>\n4.3.2 Accident scenario
4.3.3 Hazard zone
4.3.4 Severity of harm <\/td>\n<\/tr>\n
18<\/td>\n4.3.5 Safety control function
5 Quantified parameters of a functional safety assignment
5.1 General
5.2 Parameter types
5.2.1 General
5.2.2 Probability
5.2.3 Event rate <\/td>\n<\/tr>\n
19<\/td>\n5.3 Probability of occurrence of harm
5.4 Quantification of risk
5.5 Target failure measure <\/td>\n<\/tr>\n
20<\/td>\n5.6 Probability of occurrence of a hazardous event \u2013 Pr <\/td>\n<\/tr>\n
21<\/td>\n5.7 Exposure parameter \u2013 Fr <\/td>\n<\/tr>\n
22<\/td>\n5.8 Probability of avoiding or limiting harm \u2013 Av
5.8.1 General
5.8.2 Vulnerability (V) <\/td>\n<\/tr>\n
23<\/td>\n5.8.3 Avoidability (A)
5.9 Demand types and related event rates
5.9.1 Event classes <\/td>\n<\/tr>\n
24<\/td>\n5.9.2 Demand and demand rate
5.9.3 Initiating events and rate of initiating events IR <\/td>\n<\/tr>\n
25<\/td>\n5.9.4 Safety demands and safety demand rate DR <\/td>\n<\/tr>\n
26<\/td>\n5.9.5 Tolerable risk limit \u2013 Parameter L(S)
Figure 2 \u2013 Protection layers, event rates and their relation <\/td>\n<\/tr>\n
27<\/td>\n5.10 Additional parameters <\/td>\n<\/tr>\n
28<\/td>\nTable 1 \u2013 Parameters overview <\/td>\n<\/tr>\n
29<\/td>\n6 General principle of functional safety assignment
6.1 Basics
6.1.1 Applicability to complete functions
6.1.2 Risk relation
6.1.3 Logical independence of parameters
6.2 High demand or continuous mode of operation <\/td>\n<\/tr>\n
30<\/td>\n6.3 Low demand mode of operation <\/td>\n<\/tr>\n
31<\/td>\n7 Assignment of the demand mode
7.1 Demand mode \u2013 General <\/td>\n<\/tr>\n
33<\/td>\nFigure 3 \u2013 Hazard rate according to the Henley \/ Kumamoto equation <\/td>\n<\/tr>\n
34<\/td>\n7.2 Assignment criteria
8 Relation to ISO 12100 <\/td>\n<\/tr>\n
35<\/td>\n9 Tools for functional safety assignment
9.1 General
Figure 4 \u2013 Elements of risk according to ISO 12100 <\/td>\n<\/tr>\n
36<\/td>\n9.2 Selection of independent parameters
9.3 Logarithmizing parameters
9.4 Discretization of parameters <\/td>\n<\/tr>\n
37<\/td>\n9.5 Parameter scores
Figure 5 \u2013 Discretization of parameters <\/td>\n<\/tr>\n
38<\/td>\n9.6 Scoring methods in strict sense <\/td>\n<\/tr>\n
39<\/td>\nAnnex A (informative)Examples of SIL assignment tools numerical analysis
A.1 General
A.2 Assignment of score values to parameter entries <\/td>\n<\/tr>\n
40<\/td>\nA.3 Extraction of tolerable risk limits <\/td>\n<\/tr>\n
41<\/td>\nFigure A.1 \u2013 Extraction of tolerable risk limits <\/td>\n<\/tr>\n
42<\/td>\nA.4 Risk matrix of IEC 62061
Figure A.2 \u2013 Risk matrix based on IEC 62061 <\/td>\n<\/tr>\n
43<\/td>\nFigure A.3 \u2013 Maximum allowable PFH as function of the score sumfor the different severity levels <\/td>\n<\/tr>\n
44<\/td>\nFigure A.4 \u2013 Representation by a continuous numerical interpolation <\/td>\n<\/tr>\n
45<\/td>\nA.5 Risk graph of ISO 13849
Figure A.5 \u2013 Risk graph of ISO 13849-1 <\/td>\n<\/tr>\n
46<\/td>\nTable A.1 \u2013 Relation between PLs and ranges in PFH <\/td>\n<\/tr>\n
47<\/td>\nA.6 Risk graphs for low demand mode of operation
Figure A.6 \u2013 Interpolation per severity level <\/td>\n<\/tr>\n
48<\/td>\nFigure A.7 \u2013 Risk graph for low demand mode of operation <\/td>\n<\/tr>\n
49<\/td>\nFigure A.8 \u2013 Risk graph for low demand mode of operation \u2013from Figure 7 of VDMA 4315-1 <\/td>\n<\/tr>\n
50<\/td>\nBibliography <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

Assignment of safety integrity requirements. Basic rationale<\/b><\/p>\n\n\n\n\n
Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
BSI<\/b><\/a><\/td>\n2024<\/td>\n52<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":458077,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[2641],"product_tag":[],"class_list":{"0":"post-458067","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-bsi","8":"first","9":"instock","10":"sold-individually","11":"shipping-taxable","12":"purchasable","13":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/458067","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media\/458077"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=458067"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=458067"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=458067"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}