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【英文标准名称】:Respiratoryprotectivedevices.Self-containedclosed-circuitbreathingapparatuscompressedoxygenorcompressedoxygen-nitrogentype.Requirements,testing,marking
【原文标准名称】:呼吸保护装置.自给式闭路压缩氧型或压缩氧氮型呼吸器.要求,试验,标记
【标准号】:BSEN145-1998
【标准状态】:现行
【国别】:英国
【发布日期】:1998-01-15
【实施或试行日期】:1998-01-15
【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】:事故预防;合金;铝;轴承;壳体;身体安全吊带;呼吸;呼吸装置;呼吸袋;呼吸管;二氧化碳;等级;清洁处理;离合器;组件;压缩空气;压缩气体;压缩氧气;状态调节;冷却器;电流测量;定义(术语);密度;设计;名称与符号;含量测定;消毒;剂量;持续时间;电绝缘;电极;工作环境;设备安全性;面罩;精密机械;火灾;消防队;火险;防火测试;消防;耐火性;易燃性;柔性管;气体;耐气试验;等级(质量);加热试验;软管接头;冲击力;信息;检验;使用说明书;仪器;实验室测试;布置;漏泄试验;寿命;低压;低温试验;镁;作标记;面具;质量(物质);材料;机械测试;采掘;潮气;氮;开启压力;氧;供氧设备;吸氧器;性能;性能试验;生理学的;压力;压力计;压力过载;压力读数;压力调节装置;压力试验;防护服装;防护设备;辐射热;辐射;恢复;再生器件;再生;减压阀;可置换性;电阻测量;呼吸器;呼吸保护;呼吸阻力;安全性工程;安全性要求;规范(验收);储存;应力;供气呼吸装置;表面;温度;温度稳定性;拉伸强度;试验设备;试验人员;试验;测试条件;热试验;螺纹;使用;阀门;能见度;体积;报警装置;工作场所安全性
【英文主题词】:Accidentprevention;Alloys;Aluminium;Bearings;Bodies;Bodyharnesses;Breathing;Breathingapparatus;Breathingbags;Breathingtubes;Carbondioxide;Classes;Cleaning;Clutches;Components;Compressedair;Compressedgases;Compressed-oxygen;Conditioning;Coolers;Currentmeasurement;Definitions;Density;Design;Designations;Determinationofcontent;Disinfections;Dosage;Duration;Electricalinsulation;Electrodes;Environment(working);Equipmentsafety;Facepieces;Finemechanics;Fire;Firebrigade;Firerisks;Firetests;Firefighting;Flameresistance;Flammability;Flexiblepipes;Gases;Gas-resistancetests;Grades(quality);Heatingtests;Hoseconnectors;Impact;Information;Inspection;Instructionsforuse;Instruments;Laboratorytesting;Layout;Leaktests;Life(durability);Lowpressure;Low-temperaturetesting;Magnesium;Marking;Masks;Mass;Materials;Mechanicaltesting;Mining;Moisture;Nitrogen;Openingpressure;Oxygen;Oxygenbreathingapparatus;Oxygenrespirators;Performance;Performancetesting;Physiological;Pressure;Pressuregauges;Pressureoverload;Pressurereading;Pressureregulators;Pressuretesting;Protectiveclothing;Protectiveequipment;Radiantheat;Radiation;Regeneration;Regenerationapparatus;Regenerations;Reliefvalves;Replaceability;Resistancemeasurement;Respirators;Respiratoryprotections;Respiratoryresistance;Safetyengineering;Safetyrequirements;Specification(approval);Storage;Stress;Suppliedairbreathingapparatus;Surfaces;Temperature;Temperaturestability;Tensilestrength;Testequipment;Testpersons;Testing;Testingconditions;Thermaltesting;Threads;Use;Valves;Visibility;Volume;Warningdevices;Workplacesafety
【摘要】:ThisEuropeanStandardspecifiesminimumrequirementsforself-containedclosed-circuitbreathingapparatus,compressedoxygen(O2)andcompressedoxygen-nitrogen(O2-N2)types,usedasrespiratoryprotectivedevices,exceptescapeapparatusanddivingapparatus.Laboratoryandpracticalperformancetestsareincludedfortheassessmentofcompliancewiththerequirements.
【中国标准分类号】:C73
【国际标准分类号】:13_340_30
【页数】:30P;A4
【正文语种】:英语


【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