IEC 61158-3-18-2007 工业通讯网络.数据总线规范.第3-18部分:数据联络层设备定义.18型元件

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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part3-18:Data-linklayerservicedefinition-Type18elements
【原文标准名称】:工业通讯网络.数据总线规范.第3-18部分:数据联络层设备定义.18型元件
【标准号】:IEC61158-3-18-2007
【标准状态】:现行
【国别】:国际
【发布日期】:2007-12
【实施或试行日期】:
【发布单位】:国际电工委员会(IX-IEC)
【起草单位】:IEC/SC65C
【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;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;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;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1.1OverviewThisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweendevicesinanautomationenvironmentandmaterialspecifictoType18fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType18fieldbusdata-linklayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thisstandarddefinestheservicesprovidedto?theType18fieldbusapplicationlayerattheboundarybetweentheapplicationanddatalinklayersofthefieldbusreferencemodel,and?systemmanagementattheboundarybetweenthedata-linklayerandsystemsmanagementofthefieldbusreferencemodel.1.2SpecificationsTheprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualdata-linklayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofdata-linkprotocolsfortime-criticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ThisspecificationmaybeusedasthebasisforformalDL-Programming-Interfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,including:a)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.1.3ConformanceThisstandarddoesnotspecifyindividualimplementationsorproducts,nordotheyconstraintheimplementationsofdata-linkentitieswithinindustrialautomationsystems.Thereisnoconformanceofequipmenttothisdata-linklayerservicedefinitionstandard.Instead,conformanceisachievedthroughimplementationofthecorrespondingdata-linkprotocolthatfulfillstheType18data-linklayerservicesdefinedinthisstandard.
【中国标准分类号】:N18;P76
【国际标准分类号】:25_040_40;35_100_20;35_160
【页数】:28P;A4
【正文语种】:英语


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【英文标准名称】:StandardPracticeforSamplingofSoilUsingtheHydraulicallyOperatedStationaryPistonSampler
【原文标准名称】:用液压操作的固定活塞采样器进行土壤取样的标准实施规程
【标准号】:ASTMD6519-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【实施或试行日期】:
【发布单位】:美国材料与试验协会(ASTM)
【起草单位】:D18.02
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:固定的;土壤;采样器;取样
【英文主题词】:hydraulicallyactivated;stationarypiston;thin-walledtube;
【摘要】:1.1Thispracticecoversaprocedureforsamplingofcohesive,organic,orfine-grainedsoils,orcombinationthereof,usingathin-walledmetaltubethatisinsertedintothesoilformationbymeansofahydraulicallyoperatedpiston.Itisusedtocollectrelativelyundisturbedsoilsamplessuitableforlaboratoryteststodeterminestructuralandchemicalpropertiesforgeotechnicalandenvironmentalsitecharacterizations.1.1.1GuidanceonpreservationandtransportofsamplesinaccordancewithPracticeD4220mayapply.SamplesforclassificationmaybepreservedusingproceduressimilartoClassA.Inmostcases,athin-walledtubesamplecanbeconsideredasClassB,C,orD.RefertoGuideD6286foruseofthehydraulicallyoperatedstationarypistonsoilsamplerforenvironmentalsitecharacterization.Thissamplingmethodisoftenusedinconjunctionwithrotarydrillingmethodssuchasfluidrotary;GuideD5783;andhollowstemaugers,PracticeD6151.SamplingdatashouldbereportedinthesubstanceloginaccordancewithGuideD5434.1.2Thehydraulicallyoperatedstationerypistonsamplerislimitedtosoilsandunconsolidatedmaterialsthatcanbepenetratedwiththeavailablehydraulicpressurethatcanbeappliedwithoutexceedingthestructuralstrengthofthethin-walledtube.Thisstandardaddressestypicalhydraulicpistonsamplersusedonlandorshallowwaterindrillholes.Thestandarddoesnotaddressspecializedoffshoresamplersfordeepmarineapplicationsthatmayormaynotbehydraulicallyoperated.Thisstandarddoesnotaddressoperationofothertypesofmechanicallyadvancedpistonsamplers.1.3Thispracticedoesnotpurporttoaddressallthesafetyconcerns,ifany,associatedwithitsuseandmayinvolveuseofhazardousmaterials,equipment,andoperations.Itistheresponsibilityoftheusertoestablishandadoptappropriatesafetyandhealthpractices.Also,theusermustcomplywithprevalentregulatorycodes,suchasOSHA(OccupationalHealthandSafetyAdministration)guidelines,whileusingthispractice.Forgoodsafetypractice,consultapplicableOSHAregulationsandothersafetyguidesondrilling.1.4ThevaluesstatedinSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnonconformancewiththestandard.1.5Thispracticeoffersasetofinstructionsforperformingoneormorespecificoperations.Thisdocumentcannotreplaceeducationorexperienceandshouldbeusedinconjunctionwithprofessionaljudgement.Notallaspectsofthispracticemaybeapplicableinallcircumstances.ThisASTMstandardisnotintendedtorepresentorreplacethestandardofcarebywhichtheadequacyofagivenprofessionalservicemustbejudged,norshouldthisdocumentbeappliedwithoutconsiderationofaproject'smanyuniqueaspects.Theword"Standard"inthetitlemeansonlythatthedocumenthasbeenapprovedthroughtheASTMconsensusprocess.Thispracticedoesnotpurporttocomprehensivelyaddressallofthemethodsandtheissuesassociatedwithsamplingofsoil.Usersshouldseekqualifiedprofessionalsfordecisionsastotheproperequipmentandmethodsthatwouldbemostsuccessfulfortheirsiteinvestigation.Othermethodsmaybeavailablefordrillingandsamplingofsoil,andqualifiedprofessionalsshouldhaveflexibilitytoexercisejudgmentastopossiblealternativesnotcoveredinthispractice.Thepracticeiscurrentatthetimeofissue,butnewalternativemethodsmaybecomeavailablepriortorevisions,therefore,usersshouldconsultwithmanufacturersorproducerspriortospecifyingprogramrequirements.
【中国标准分类号】:P22
【国际标准分类号】:13_080_01
【页数】:7P.;A4
【正文语种】:


基本信息
标准名称:卫生用薄型非织造布
英文名称:Sanitary thin nonwoven
中标分类: 纺织 >> 棉纺织 >> 棉半制品
ICS分类: 纺织和皮革技术 >> 纺织产品 >> 其他纺织产品标准
替代情况:替代FZ/T 64005-1996
发布部门:中华人民共和国工业和信息化部
发布日期:2011-05-18
实施日期:2011-08-01
首发日期:
作废日期:
主管部门:全国纺织品标准化技术委员会棉纺织印染分技术委员会(SAC/TC 209/SC 2)
提出单位:中国纺织工业协会
归口单位:全国纺织品标准化技术委员会棉纺织印染分技术委员会(SAC/TC 209/SC 2)
起草单位:上海市纺织工业技术监督所、欣龙控股(集团)股份有限公司、安徽润维无纺布有限公司、中国产业用纺织品行业协会、上海市服装研究所
起草人:张宝庆、陈龙敏、朱广明、李桂梅、梁小荣、施琴
出版社:中国标准出版社
出版日期:2011-08-01
页数:8页
书号:155066·2-22278
适用范围

本标准规定了卫生用薄型非织造布的产品分类、技术要求、试验方法、检验规则及包装和标志。
本标准适用于鉴定以符合卫生用要求的短纤维为原料,纤网经热熔粘合加固而制成的薄型非织造布的品质。
本标准适用于18 g/m2~30 g/m2一次性卫生用产品的面料和包覆材料。

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