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BS EN 61158-5-7-2008 工业通讯网络.现场总线规范.应用层服务定义.7型元件

作者:标准资料网 时间:2024-05-23 21:44:43  浏览:9972   来源:标准资料网
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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part5-7:Applicationlayerservicedefinition—Type7elements
【原文标准名称】:工业通讯网络.现场总线规范.应用层服务定义.7型元件
【标准号】:BSEN61158-5-7-2008
【标准状态】:现行
【国别】:英国
【发布日期】:2008-06-30
【实施或试行日期】:2008-06-30
【发布单位】:英国标准学会(GB-BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:应用层;应用;总线系统;总线;电路网络;通信;计算机应用;计算机控制;控制;控制设备;控制系统;控制工艺学;数据总线;数据通信;数据交换;数据传输线;数据连接系统;数据网络;数据处理;数据设备;数据传送;数据传输控制规程;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(数据处理);开放系统互连;操作技术;OSI;过程控制工程;设备;规范;规范(验收);传输媒质
【英文主题词】:Applicationlayer;Applications;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Computerapplications;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmissioncontrolprocedures;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrolengineering;Services;Specification;Specification(approval);Transmissionmedia;WorldFIP
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironment.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandarddefinesinanabstractwaytheexternallyvisibleserviceprovidedbytheType7fieldbusApplicationLayerintermsofa)anabstractmodelfordefiningapplicationresources(objects)capableofbeingmanipulatedbyusersviatheuseoftheFALservice,b)theprimitiveactionsandeventsoftheservice;c)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andd)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.Thepurposeofthisstandardistodefinetheservicesprovidedto1)theFALuserattheboundarybetweentheuserandtheApplicationLayeroftheFieldbusReferenceModel,and2)SystemsManagementattheboundarybetweentheApplicationLayerandSystemsManagementoftheFieldbusReferenceModel.ThisstandardspecifiesthestructureandservicesoftheIECfieldbusApplicationLayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIApplicationLayerStructure(ISO/IEC9545).Theprincipalobjectiveofthisstandardistospecifythecharacteristicsofconceptualapplicationlayerservicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopmentofapplicationlayerprotocolsfortimecriticalcommunications.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofservicesstandardizedasthevarioustypesofIEC61158.Thisspecificationmaybeusedasthebasisforformalapplicationprogramminginterfaces.Nevertheless,itisnotaformalprogramminginterface,andanysuchinterfacewillneedtoaddressimplementationissuesnotcoveredbythisspecification,includinga)thesizesandoctetorderingofvariousmulti-octetserviceparameters,andb)thecorrelationofpairedrequestandconfirm,orindicationandresponse,primitives.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_70;35_160;35_240_50
【页数】:240P.;A4
【正文语种】:英语


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Product Code:SAE J1033
Title:Procedure for Measuring Bore and Face Runout of Flywheels, Flywheel Housings and Flywheel Housing Adapters
Issuing Committee:Clutch And Flywheel Committee
Scope:This SAE Recommended Practice applies to any internal combustion engine which can utilize SAE No. 6 thru SAE No. 00 size flywheel housing. It provides instructions for correcting flywheel housing bore runout readings which are influenced by crankshaft bearing clearance. Limits for bore and face runout are specified in the various SAE Standards and Recommended Practices covering flywheels and flywheel housings.【英文标准名称】:StandardTestMethodforDeterminationofPhenolicAntioxidantsandErucamideSlipAdditivesinLinearLow-DensityPolyethyleneUsingLiquidChromatograph(LC)
【原文标准名称】:用液相色谱法测定单面低密度聚乙烯酚氧化剂和掺合剂的标准试验方法
【标准号】:ASTMD5815-1995(2001)e1
【标准状态】:作废
【国别】:
【发布日期】:1995
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D20.70
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:聚乙烯;试验;液相色谱法;抗氧化剂;掺和剂
【英文主题词】:additive;antioxidants;BHEB;BTH;erucamideslip;extraction;Irganox1010;Irganox1076;linearlow-densitypolyethylene(LLDPE);liquidchromatography(LC)
【摘要】:Separationandidentificationofstabilizersusedinthemanufactureoflinearlow-densitypolyethylenearenecessaryinordertocorrelateperformancepropertieswithpolymercomposition.ThistestmethodprovidesameanstodetermineBHT,
【中国标准分类号】:G16
【国际标准分类号】:71_080_10
【页数】:6P.;A4
【正文语种】:



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