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【英文标准名称】:Industrialcommunicationnetworks-Fieldbusspecifications-Part6-7:Applicationlayerprotocolspecification-Type7elements(IEC61158-6-7:2007);EnglishversionEN61158-6-7:2008,onlyonCD-ROM
【原文标准名称】:工业通讯网络.现场总线规范.第6-7部分:应用层协议规范.7型元件.仅为CD-ROM
【标准号】:DINEN61158-6-7-2008
【标准状态】:现行
【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】: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;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);开放系统互连;操作技术;OSI;过程控制工程;处理字段总线;协议规范;协议;设备;规范;规范(验收);传输媒质;传输协议;世界FIP
【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;PROFIBUS;Protocolspecification;Protocols;Services;Specification;Specification(approval);Transmissionmedia;Transmissionprotocol;WorldFIP
【摘要】:Thisstandardprovidescommonelementsforbasictime-criticalandnon-time-criticalmessagingcommunicationsbetweenapplicationprogramsinanautomationenvironmentandmaterialspecifictoType7fieldbus.Theterm“time-critical”isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThisstandardspecifiesinteractionsbetweenremoteapplicationsanddefinestheexternallyvisiblebehaviorprovidedbytheType7fieldbusapplicationlayerintermsofa)theformalabstractsyntaxdefiningtheapplicationlayerprotocoldataunitsconveyedbetweencommunicatingapplicationentities;b)thetransfersyntaxdefiningencodingrulesthatareappliedtotheapplicationlayerprotocoldataunits;c)theapplicationcontextstatemachinedefiningtheapplicationservicebehaviorvisiblebetweencommunicatingapplicationentities;d)theapplicationrelationshipstatemachinesdefiningthecommunicationbehaviorvisiblebetweencommunicatingapplicationentities.Thepurposeofthisstandardistodefinetheprotocolprovidedto?definethewire-representationoftheserviceprimitivesdefinedinIEC61158-5-7,and?definetheexternallyvisiblebehaviorassociatedwiththeirtransfer.ThisstandardspecifytheprotocoloftheType7fieldbusapplicationlayer,inconformancewiththeOSIBasicReferenceModel(ISO/IEC7498)andtheOSIapplicationlayerstructure(ISO/IEC9545).TheprincipalobjectiveofthisstandardistospecifythesyntaxandbehavioroftheapplicationlayerprotocolthatconveystheapplicationlayerservicesdefinedinIEC61158-5-7.Asecondaryobjectiveistoprovidemigrationpathsfrompreviously-existingindustrialcommunicationsprotocols.ItisthislatterobjectivewhichgivesrisetothediversityofprotocolsstandardizedinpartsoftheIEC61158-6series.
【中国标准分类号】:N18;P76
【国际标准分类号】:35_100_70;35_160
【页数】:157P.;A4
【正文语种】:德语


【英文标准名称】:LargeDiameterSteelFlangesNPS26ThroughNPS60Metric/InchStandard
【原文标准名称】:大直径钢法兰:NPS26～NPS60公制/英制标准
【标准号】:ASMEB16.47-2006
【标准状态】:作废
【国别】:美国
【发布日期】:2006-01-01
【实施或试行日期】:
【发布单位】:美国机械工程师协会(US-ASME)
【起草单位】:ASME
【标准类型】:()
【标准水平】:()
【中文主题词】:螺栓连接(法兰);尺寸规格;法兰管;法兰;衬垫;作标记;管联接器;高温压力试验;钢法兰;公差(测量)
【英文主题词】:Bolting;Dimensions;Flangedpipes;Flanges;Gaskets;Marking;Pipecouplings;Pressuretestsathightemperatures;Steelflanges;Tolerances(measurement)
【摘要】:ThisStandardcoverspressure-temperatureratings,materials,dimensions,tolerances,marking,andtestingforpipeflangesinsizesNPS26throughNPS60andinratingsClasses75,150,0300,400,600,and900.Flangesmaybecast,forged,orplate(forblindflangesonly)materials,aslistedinTable1A.Requirementsandrecommendationsregardingboltingandgasketsarealsoincluded.
【中国标准分类号】:J15
【国际标准分类号】:23_040_60
【页数】:108P.;A4
【正文语种】:英语