标准资料网-标准资料免费资源平台

【英文标准名称】:IndustrialcommunicationssubsystembasedonISO11898(CAN)forcontroller-deviceinterfaces.Part5:FunctionalsafetycommunicationbasedonEN50325-4
【原文标准名称】:控制器装置接口用基于ISO11898(CAN)标准的工业通信子系统.第5部分:基于EN50325-4标准的功能安全通信
【标准号】:BSEN50325-5-2010
【标准状态】:现行
【国别】:英国
【发布日期】:2010-09-30
【实施或试行日期】:2010-09-30
【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】:
【英文主题词】:Automation;Bussystems;CAN;Communicationprocedures;Communicationsystems;Controldevices;Controlsystems;ControllerAreaNetwork;Dataexchange;Datalinklayers;Dataprocessing;Datarecords;Dataservices;Datatransmission;Datatypes;Definitions;Digitalsignals;Electricalengineering;EMC;Fieldbus;Industries;Informationinterchange;Interfacecircuits;Interfaces;Interfaces(dataprocessing);Limitswitches;Localareanetworks;Motorstarters;Networkinterfaces;Numericalcontrol;Physicallayers;Productinformation;Protocols;Proximityswitches;Ratings;Relays;Surveillance(approval)
【摘要】:ThisEuropeanStandardspecifiesasafety-relatedcommunicationlayer(servicesandprotocol)basedonEN50325-4.ThisEuropeanStandardappliestonetworksbasedonEN50325-4providingsafety-relatedcommunicationcapabilitiesbetweendevicesinasafety-relatedsysteminaccordancewiththerequirementsofEN61508seriesforfunctionalsafety.TheservicesandprotocolsdefinedinthisstandardareintendedtoextendthosedefinedinEN50325-4.Theseservicesandprotocolsmaybeusedinvariousapplicationssuchasmanufacturing,machinery,medical,mobilemachineryandprocesscontrol.NOTE1ThisEuropeanStandarddoesnotcovertheproceduresforthesafety-relatedconfigurationandforthesafety-relatedsetupofsafety-relatedsystems.Thedefinitionandimplementationofsuchproceduresdependsonthekindofthesafety-relatedsystem.Forexampleflexiblesafety-relatedsystemslikeoperatingtheatresasfoundinmedicalsystemsrequiredifferentproceduresthanforfixedsafety-relatedsystemslikecranesinthemobilemachinery.ThisEuropeanStandarddoesnotcoverelectricalsafety,intrinsicsafetyandsecurityaspects.Electricalsafetyrelatestohazardssuchaselectricalshock.Intrinsicsafetyrelatestohazardsassociatedwithpotentiallyexplosiveatmospheres.Securityrelatestoenforcingpoliciestopreventchangesinthesafety-relatedsystembyunauthorizedpersonnel.NOTE2Theresultingsafetyintegritylevelclaimofasystemdependsontheimplementationoftheservicesandprotocolswithinthedevicesandthesystem.TheimplementationoftheservicesandprotocolsdefinedinthisEuropeanStandardinadeviceisnotsufficienttoqualifythedeviceasasafety-relateddevice.
【中国标准分类号】:N18
【国际标准分类号】:25_040_40;35_240_50;43_040_15
【页数】:40P.;A4
【正文语种】:英语


【英文标准名称】:Methodsforanalysisofdriedmilkanddriedmilkproducts-Determinationofthedispersibilityandthewettingtimeofinstantdriedmilk
【原文标准名称】:奶粉和奶粉制品的分析方法.第4部分:速溶奶粉的可分散性和浸湿时间的测定
【标准号】:BS1743-4-1980
【标准状态】:现行
【国别】:英国
【发布日期】:1980-09-30
【实施或试行日期】:1980-09-30
【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】:快餐;润湿度;混合;固体成分测定;干制食品;分散(化工);精密度;再现性;食品检验;试验条件;奶粉;试样制备;化学分析和试验;时间测量;乳制品;牛奶;食品
【英文主题词】:Chemicalanalysisandtesting;Dairyproducts;Dispersing(chemicaltechnology);Driedfoods;Driedmilk;Foodproducts;Foodtesting;Instantfoods;Milk;Mixing;Precision;Reproducibility;Solidscontentdetermination;Specimenpreparation;Testingconditions;Timemeasurement;Wettability
【摘要】:Methodsapplicabletoinstantdriedskimmedmilkmadeby'straightthrough'or're-wet'process,alsotoinstantdriedpartlyskimmedmilkandinstantdriedwholemilkwettingtimemethodforroutineuse.Adviceoninterpretationofdispersibilityresults.
【中国标准分类号】:X16
【国际标准分类号】:67_100_10
【页数】:6P;A4
【正文语种】:英语