ASTM F 974-2006 黑白静电复印机的上色度的测试方法

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【英文标准名称】:Industrialcommunicationnetworks.Fieldbusspecifications.Applicationlayerprotocolspecification.Type4elements
【原文标准名称】:工业通信网络.现场总线规范.应用层协议规范.4型元件
【标准号】:BSEN61158-6-4-2008
【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;数据服务;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;协议规范;协议;服务;规范;规范(验收);传输媒质;传输协议
【英文主题词】:Applicationlayer;Applicationlayer(OSI);Applications;Automaticcontrolsystems;Busnetworks;Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Communicationnetworks;Communicationprocedures;Computerapplications;Computernetworks;Computerizedcontrol;Control;Controlequipment;Controlsystems;Controltechnology;Databus;Datacommunication;Dataexchange;Dataline;Datalinksystem;Datanetwork;Dataprocessing;Dataservices;Datatransfer;Datatransmission;Datatransmissioncontrolprocedures;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electronicinstruments;Electronicsystems;Englishlanguage;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Opensystemsinterconnection;Operationaltechniques;OSI;Processcontrol;Processcontrolengineering;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType4fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandardspecifiesinteractionsbetweenremoteapplicationsanddefinestheexternallyvisiblebehaviorprovidedbytheType4fieldbusapplicationlayerintermsofa)theformalabstractsyntaxdefiningtheapplicationlayerprotocoldataunitsconveyedbetweencommunicatingapplicationentities;b)thetransfersyntaxdefiningencodingrulesthatareappliedtotheapplicationlayerprotocoldataunits;c)theapplicationcontextstatemachinedefiningtheapplicationservicebehaviorvisiblebetweencommunicatingapplicationentities;d)theapplicationrelationshipstatemachinesdefiningthecommunicationbehaviorvisiblebetweencommunicatingapplicationentities.Thepurposeofthisstandardistodefinetheprotocolprovidedto1)definethewire-representationoftheserviceprimitivesdefinedinIEC61158-5-4,and2)definetheexternallyvisiblebehaviorassociatedwiththeirtransfer.ThisstandardspecifiestheprotocoloftheType4fieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIapplicationlayerstructure(ISO/IEC9545).TheprincipalobjectiveofthisstandardistospecifythesyntaxandbehavioroftheapplicationlayerprotocolthatconveystheapplicationlayerservicesdefinedinIEC61158-5-4.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofprotocolsstandardizedinIEC61158-6.
【中国标准分类号】:L79
【国际标准分类号】:25_040_40;35_100_70;35_160;35_240_50
【页数】:38P.;A4
【正文语种】:英语


【英文标准名称】:Piezoelectricceramicresonators;aspecificationintheIECqualityassessmentsystemforelectroniccomponents(IECQ);part2:sectionalspecification;qualificationapproval;section1:blankdetailspecification;assessmentlevelE
【原文标准名称】:压电陶瓷谐振器IEC电子元器件质量评定体系(IECQ)规范第2部分:分规范鉴定批准第1节:空白详细规范评定水平E
【标准号】:IEC61253-2-1-1993
【标准状态】:现行
【国别】:国际
【发布日期】:1993-12
【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/TC49
【标准类型】:()
【标准水平】:()
【中文主题词】:电子设备及元件;设计认证;分规范;陶瓷;详细规范;质量评定系统;评定等级;压电器件;电子工程;谐振器
【英文主题词】:Assessmentlevel;Ceramics;Definition;Definitions;Designcertifications;Detailspecification;Electricalengineering;Electronicengineering;Electronicequipmentandcomponents;Genericspecification;Piezoelectricdevices;Qualityassessmentsystems;Resonators;Sectionalspecification;Testing
【摘要】:Theblankdetailspecificationisasupplementarydocumenttothesectionalspecificationandcontainsrequirementsforstyle,layoutandminimumcontent(generaldataandinspectionrequirements)ofthedetailspecifications.Inthepreparationofdetai
【中国标准分类号】:L21
【国际标准分类号】:31_140
【页数】:21P.;A4
【正文语种】:英语