{"id":261291,"date":"2024-10-19T17:18:46","date_gmt":"2024-10-19T17:18:46","guid":{"rendered":"https:\/\/pdfstandards.shop\/product\/uncategorized\/bs-iso-217802020\/"},"modified":"2024-10-25T13:04:16","modified_gmt":"2024-10-25T13:04:16","slug":"bs-iso-217802020","status":"publish","type":"product","link":"https:\/\/pdfstandards.shop\/product\/publishers\/bsi\/bs-iso-217802020\/","title":{"rendered":"BS ISO 21780:2020"},"content":{"rendered":"

This document covers requirements and tests for the electric and electronic components in road vehicles equipped with an electrical system operating at a nominal voltage of 48 V DC.<\/p>\n

This includes the following:<\/p>\n

    \n
  1. \n

    general requirements on 48 V DC electrical systems;<\/p>\n<\/li>\n

  2. \n

    voltage ranges;<\/p>\n<\/li>\n

  3. \n

    slow voltage transients and fluctuations (not including EMC).<\/p>\n<\/li>\n<\/ol>\n

    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
    PDF Pages<\/th>\nPDF Title<\/th>\n<\/tr>\n
    2<\/td>\nNational foreword <\/td>\n<\/tr>\n
    7<\/td>\nForeword <\/td>\n<\/tr>\n
    9<\/td>\n1 Scope
    2 Normative references
    3 Terms and definitions <\/td>\n<\/tr>\n
    10<\/td>\n4 Functional status
    4.1 General <\/td>\n<\/tr>\n
    11<\/td>\n4.2 Functional status 1 (FS1)
    4.3 Functional status 2 (FS2)
    4.4 Functional status 3 (FS3)
    4.5 Functional status 4 (FS4)
    4.6 Functional status 5 (FS5)
    5 Supply voltage range <\/td>\n<\/tr>\n
    13<\/td>\n6 Functional categories <\/td>\n<\/tr>\n
    14<\/td>\n7 Operating modes
    8 General tests conditions
    8.1 Standard tolerances <\/td>\n<\/tr>\n
    15<\/td>\n8.2 General values
    8.3 Sampling rate and value resolution
    8.4 Description of interfaces
    8.5 Restrictions on performing the tests
    8.6 Number of tested samples
    8.7 Test voltages <\/td>\n<\/tr>\n
    16<\/td>\n8.8 Test procedure
    8.9 Parameter check <\/td>\n<\/tr>\n
    17<\/td>\n8.10 Continuous parameter monitoring with drift analysis
    8.11 Physical analysis <\/td>\n<\/tr>\n
    18<\/td>\n9 General requirements
    9.1 General
    9.2 Prerequisites regarding the system in which the component is applied
    9.3 Component requirements <\/td>\n<\/tr>\n
    19<\/td>\n10 Tests and requirements
    10.1 Test-01: nominal voltage range
    10.1.1 Purpose
    10.1.2 Test
    10.1.3 Procedure <\/td>\n<\/tr>\n
    20<\/td>\n10.1.4 Requirement
    10.2 Test-02: lower and upper transitory voltage ranges
    10.2.1 Purpose
    10.2.2 Test <\/td>\n<\/tr>\n
    21<\/td>\n10.2.3 Procedure
    10.2.4 Requirement <\/td>\n<\/tr>\n
    22<\/td>\n10.3 Test-03: short term overvoltage
    10.3.1 Purpose
    10.3.2 Test
    10.3.3 Procedure <\/td>\n<\/tr>\n
    23<\/td>\n10.3.4 Requirement
    10.4 Test-04: supply component load dump control test
    10.4.1 Purpose
    10.4.2 Test <\/td>\n<\/tr>\n
    24<\/td>\n10.4.3 Procedure
    10.4.4 Requirement <\/td>\n<\/tr>\n
    25<\/td>\n10.5 Test-05: starting profile
    10.5.1 Purpose
    10.5.2 Test
    10.5.3 Procedure <\/td>\n<\/tr>\n
    26<\/td>\n10.5.4 Requirement
    10.6 Test-06: long term overvoltage
    10.6.1 Purpose
    10.6.2 Test <\/td>\n<\/tr>\n
    27<\/td>\n10.6.3 Requirement
    10.7 Test-07: overvoltage with consumer components which may supply electrical energy
    10.7.1 Purpose
    10.7.2 Test <\/td>\n<\/tr>\n
    30<\/td>\n10.7.3 Requirements for part 1 and part 2
    10.8 Test-08: decrease and increase of supply voltage
    10.8.1 Purpose <\/td>\n<\/tr>\n
    31<\/td>\n10.8.2 Test
    10.8.3 Requirement
    10.9 Test-09: voltage ripples
    10.9.1 Purpose <\/td>\n<\/tr>\n
    32<\/td>\n10.9.2 Test <\/td>\n<\/tr>\n
    33<\/td>\n10.9.3 Requirement
    10.10 Test-10: reinitialisation
    10.10.1 Purpose <\/td>\n<\/tr>\n
    34<\/td>\n10.10.2 Test
    10.10.3 Requirement <\/td>\n<\/tr>\n
    35<\/td>\n10.11 Test-11: discontinuities in supply voltage
    10.11.1 Purpose
    10.11.2 Test <\/td>\n<\/tr>\n
    36<\/td>\n10.11.3 Requirements
    10.12 Test-12: ground loss
    10.12.1 Purpose <\/td>\n<\/tr>\n
    40<\/td>\n10.12.2 Requirements <\/td>\n<\/tr>\n
    41<\/td>\n10.13 Test-13: fault current
    10.13.1 Purpose
    10.13.2 Test <\/td>\n<\/tr>\n
    42<\/td>\n10.13.3 Requirement <\/td>\n<\/tr>\n
    43<\/td>\n10.14 Test-14: ground offset
    10.14.1 Purpose
    10.14.2 Test <\/td>\n<\/tr>\n
    45<\/td>\n10.14.3 Requirement
    10.15 Test-15: short circuit in signal line and load circuit
    10.15.1 Purpose
    10.15.2 Test <\/td>\n<\/tr>\n
    46<\/td>\n10.15.3 Procedure
    10.15.4 Requirements <\/td>\n<\/tr>\n
    47<\/td>\n10.16 Test-16: quiescent current
    10.16.1 Purpose
    10.16.2 Test <\/td>\n<\/tr>\n
    48<\/td>\n10.16.3 Requirements <\/td>\n<\/tr>\n
    49<\/td>\nAnnex A (informative) Example of functional status and functional categories <\/td>\n<\/tr>\n
    51<\/td>\nAnnex B (informative) Loss of GND48 using the example CAN communication <\/td>\n<\/tr>\n<\/table>\n","protected":false},"excerpt":{"rendered":"

    Road vehicles. Supply voltage of 48 V. Electrical requirements and tests<\/b><\/p>\n\n\n\n\n
    Published By<\/td>\nPublication Date<\/td>\nNumber of Pages<\/td>\n<\/tr>\n
    BSI<\/b><\/a><\/td>\n2020<\/td>\n54<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"featured_media":261293,"template":"","meta":{"rank_math_lock_modified_date":false,"ep_exclude_from_search":false},"product_cat":[741,2641],"product_tag":[],"class_list":{"0":"post-261291","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-43-040-10","7":"product_cat-bsi","9":"first","10":"instock","11":"sold-individually","12":"shipping-taxable","13":"purchasable","14":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product\/261291","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\/261293"}],"wp:attachment":[{"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/media?parent=261291"}],"wp:term":[{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_cat?post=261291"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/pdfstandards.shop\/wp-json\/wp\/v2\/product_tag?post=261291"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}