NF A49-201-4/A1-2005 承压用焊接钢管.交货技术条件.第4部分:规定低温性能的电焊非合钢管

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【英文标准名称】:Glazingforbuildings-Part7:Codeofpracticefortheprovisionofinformation
【原文标准名称】:建筑物用门窗玻璃.第7部分:信息提供的实施规则
【标准号】:BS6262-7-2005
【标准状态】:现行
【国别】:英国
【发布日期】:2006-01-24
【实施或试行日期】:2006-01-24
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:合同;文献;玻璃;门窗玻璃;信息交换;装配;塑料;薄板材;投标;窗户玻璃
【英文主题词】:Contracts;Documents;Glass;Glazing;Informationexchange;Installation;Plastics;Sheetmaterials;Tenders;Windowglass
【摘要】:ThispartofBS6262givesrecommendationsfortheprovisionofinformationrequiredtoensureasuccessfulglazinginstallation.Theserecommendationsdonotapplyto:a)patentglazing(seeBS5516-1);b)glassinnon-verticalapplications(seeBS5516-2);c)glazingforfurnitureandfittings(seeBS7376andBS7449);d)glazingforcommercialgreenhouses(seeBS5502-21);e)glazingfordomesticgreenhouses.RecommendationsforstandardsofworkmanshipforglazinghavebeenpublishedseparatelyinBS8000-7andthereforethissubjectisnotdealtwithinthisstandard.
【中国标准分类号】:Q33
【国际标准分类号】:81_040_20
【页数】:16P.;A4
【正文语种】:英语


【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-14:Data-linklayerservicedefinition-Type14elements(IEC61158-3-14:2007);EnglishversionEN61158-3-14:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第3-14部分:数据联络层设备定义.14型元件.仅为CD-ROM
【标准号】:DINEN61158-3-14-2008
【标准状态】:作废
【国别】:德国
【发布日期】:2008-09
【实施或试行日期】:2008-09-01
【发布单位】:德国标准化学会(DE-DIN)
【起草单位】:
【标准类型】:()
【标准水平】:()
【中文主题词】:总线系统;总线;电路网络;通信;控制设备;控制系统;控制工艺学;数据通信;数据链层;数据连接系统;数据处理;数据设备;数据传送;定义;数字的;数字数据;数字工程;电子数据处理;电气工程;电子仪器;电子系统;英语;现场总线;制导系统;工业的;工业设施;信息交换;信息处理;信息技术;接口(数据处理);链路层;开放系统互连;OSI;过程控制;过程控制工程;过程控制系统;信号;规范;规范(验收);传输媒质
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThispartofIEC61158providescommonelementsforbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType14fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto?theType14fieldbusapplicationlayerattheboundarybetweentheapplicationanddata-linklayersofthefieldbusreferencemodel,and?systemsmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddonotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType14data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:24P.;A4
【正文语种】:英语