HG/T 21626-2005 L85型风机逆流式冷却塔通用图(双格)
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基本信息
| 标准名称： | L85型风机逆流式冷却塔通用图(双格) |
| 中标分类： | 化工 >> 化工机械与设备 >> 化工设备 |
| ICS分类： | 化工技术 >> 化工设备 |
| 替代情况： | HG/T 21626-1991 |
| 发布部门： | 中国石油和化工勘察设计协会 |
| 发布日期： | 2005-07-10 |
| 实施日期： | 2006-01-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 归口单位： | 中国石油和化工勘察设计协会 |
| 起草单位： | 中国天辰化学工程公司 |
| 出版日期： | 1900-01-01 |
适用范围
没有内容
前言
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目录
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引用标准
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所属分类： 化工 化工机械与设备 化工设备 化工技术 化工设备
下载地址: 点击此处下载
【英文标准名称】:Digitaldatacommunicationsformeasurementandcontrol-Fieldbusforuseinindustrialcontrolsystems-Datalinkservicedefinition
【原文标准名称】:测量和控制用数字数据通信.工业控制系统用现场总线.数据链路服务定义
【标准号】:BSEN61158-3-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-26
【实施或试行日期】:2004-08-26
【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】:电气工程;规范(验收);现场总线;数字的;传播学;电子系统;总线;信号;过程控制工程;数字工程;工业设施;控制系统;控制工艺学;过程控制系统;定义;过程控制;数据传送;数据处理;信息技术;数字数据;工业的;规范;物理层;电子仪器;信息交换;链路层;电路网络;总线系统;数据连接系统;电子数据处理;制导系统;传输媒质;数据通信;开放系统互连;信息处理;接口(数据处理);数据链层;数据服务;控制设备
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1OverviewThispartofIEC61158providesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm"time-critical"isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThispartofIEC61158definesinanabstractwaytheexternallyvisibleserviceprovidedbytheFieldbusDataLinkLayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.ThepurposeofthispartofIEC61158istodefinetheservicesprovidedto1)thevarioustypesofFieldbusApplicationLayerattheboundarybetweentheApplicationandDataLinkLayersoftheFieldbusReferenceModel,and2)SystemsManagementattheboundarybetweentheDataLinkLayerandSystemsManagementoftheFieldbusReferenceModel.SevendistincttypesofservicesaredefinedinthispartofIEC61158;eachhasacorrespond-ingprotocolinIEC61158-4.ThesevendistincttypesofDL-serviceare:Type1—ADL-servicewhichprovidesasupersetofthoseservicesexpectedofOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type2—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.Type3—ADL-servicewhichprovidesaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.Type4—ADL-servicewhichprovidesaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.NOTE1ThispartofIEC61158doesnotdefineaType5DataLinkservice.OtherpartsofIEC61158defineaType5ApplicationLayerserviceandprotocol.ThedesignationType5isreservedinthispartofIEC61158tomaintainnumberingconsistencywiththeotherpartsofIEC61158.Type6—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesprovidedbyOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type7—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesprovidedbyOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type8—ADL-servicewhichprovidesaconnection-orientedsubsetofthoseservicesspecifiedinISO/IEC8886.NOTE2ManyoftheseTypesofservicearesuitableforusewithmultiplehigher-layerprotocols.InadditiontothepotentialabilityofthesetypesofDataLinkservicetosupportunrelatedTypesofFieldbusApplicationLayerprotocol,someoftheseTypesofDataLinkservicealsomaybeabletosupport:a)theOSINetworkLayerattheboundarybetweentheNetworkandDataLinkLayersoftheOSIBasicReferenceModelb)theIETF(IP)NetworkLayerc)theSmartTransducerInterfaceforSensorsandActuatorsasdefinedinIEEE1451.2.Wherethescopeofaddressingisadequate,someoftheseTypesofDataLinkservicealsomaybeabletosupportd)anOSITransportLayerProtocol.NOTE3Useofsomeoftheseprotocoltypesisrestrictedbytheircopyrightholders.InallcasesaparticularDataLinkprotocolTypecanbeusedwithoutrestrictionwhencoupledwiththesameTypePhysicalLayerandApplicationLayerprotocols,orwithothercombinationsasspecifiedinIEC61784.UseofthevariousprotocolTypesinothercombinationsmayrequirepermissionoftheirrespectivecopyrightholders.2SpecificationsTheprincipalobjectiveofthispartofIEC61158istospecifythecharacteristicsofconceptualDataLinkServicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopm
【中国标准分类号】:N17
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:318P;A4
【正文语种】:英语
【原文标准名称】:测量和控制用数字数据通信.工业控制系统用现场总线.数据链路服务定义
【标准号】:BSEN61158-3-2004
【标准状态】:作废
【国别】:英国
【发布日期】:2004-08-26
【实施或试行日期】:2004-08-26
【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】:电气工程;规范(验收);现场总线;数字的;传播学;电子系统;总线;信号;过程控制工程;数字工程;工业设施;控制系统;控制工艺学;过程控制系统;定义;过程控制;数据传送;数据处理;信息技术;数字数据;工业的;规范;物理层;电子仪器;信息交换;链路层;电路网络;总线系统;数据连接系统;电子数据处理;制导系统;传输媒质;数据通信;开放系统互连;信息处理;接口(数据处理);数据链层;数据服务;控制设备
【英文主题词】:Bussystems;Buses(dataprocessing);Circuitnetworks;Communication;Controlequipment;Controlsystems;Controltechnology;Datacommunication;Datalinklayers;Datalinksystem;Dataprocessing;Dataservices;Datatransfer;Definition;Definitions;Digital;Digitaldata;Digitalengineering;EDP;Electricalengineering;Electronicinstruments;Electronicsystems;Fieldbus;Guidancesystems;Industrial;Industrialfacilities;Informationinterchange;Informationprocessing;Informationtechnology;Interfaces(dataprocessing);Linklayers;Opensystemsinterconnection;OSI;Physicallayers;Processcontrol;Processcontrolengineering;Processcontrolsystems;Signals;Specification;Specification(approval);Transmissionmedia
【摘要】:1OverviewThispartofIEC61158providesbasictime-criticalmessagingcommunicationsbetweendevicesinanautomationenvironment.Theterm"time-critical"isusedtorepresentthepresenceofatime-window,withinwhichoneormorespecifiedactionsarerequiredtobecompletedwithsomedefinedlevelofcertainty.Failuretocompletespecifiedactionswithinthetimewindowrisksfailureoftheapplicationsrequestingtheactions,withattendantrisktoequipment,plantandpossiblyhumanlife.ThispartofIEC61158definesinanabstractwaytheexternallyvisibleserviceprovidedbytheFieldbusDataLinkLayerintermsofa)theprimitiveactionsandeventsoftheservice;b)theparametersassociatedwitheachprimitiveactionandevent,andtheformwhichtheytake;andc)theinterrelationshipbetweentheseactionsandevents,andtheirvalidsequences.ThepurposeofthispartofIEC61158istodefinetheservicesprovidedto1)thevarioustypesofFieldbusApplicationLayerattheboundarybetweentheApplicationandDataLinkLayersoftheFieldbusReferenceModel,and2)SystemsManagementattheboundarybetweentheDataLinkLayerandSystemsManagementoftheFieldbusReferenceModel.SevendistincttypesofservicesaredefinedinthispartofIEC61158;eachhasacorrespond-ingprotocolinIEC61158-4.ThesevendistincttypesofDL-serviceare:Type1—ADL-servicewhichprovidesasupersetofthoseservicesexpectedofOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type2—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.Type3—ADL-servicewhichprovidesaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.Type4—ADL-servicewhichprovidesaconnectionlesssubsetofthoseservicesspecifiedinISO/IEC8886.NOTE1ThispartofIEC61158doesnotdefineaType5DataLinkservice.OtherpartsofIEC61158defineaType5ApplicationLayerserviceandprotocol.ThedesignationType5isreservedinthispartofIEC61158tomaintainnumberingconsistencywiththeotherpartsofIEC61158.Type6—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesprovidedbyOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type7—ADL-servicewhichprovidesbothaconnectedandaconnectionlesssubsetofthoseservicesprovidedbyOSIDataLinkProtocolsasspecifiedinISO/IEC8886.Type8—ADL-servicewhichprovidesaconnection-orientedsubsetofthoseservicesspecifiedinISO/IEC8886.NOTE2ManyoftheseTypesofservicearesuitableforusewithmultiplehigher-layerprotocols.InadditiontothepotentialabilityofthesetypesofDataLinkservicetosupportunrelatedTypesofFieldbusApplicationLayerprotocol,someoftheseTypesofDataLinkservicealsomaybeabletosupport:a)theOSINetworkLayerattheboundarybetweentheNetworkandDataLinkLayersoftheOSIBasicReferenceModelb)theIETF(IP)NetworkLayerc)theSmartTransducerInterfaceforSensorsandActuatorsasdefinedinIEEE1451.2.Wherethescopeofaddressingisadequate,someoftheseTypesofDataLinkservicealsomaybeabletosupportd)anOSITransportLayerProtocol.NOTE3Useofsomeoftheseprotocoltypesisrestrictedbytheircopyrightholders.InallcasesaparticularDataLinkprotocolTypecanbeusedwithoutrestrictionwhencoupledwiththesameTypePhysicalLayerandApplicationLayerprotocols,orwithothercombinationsasspecifiedinIEC61784.UseofthevariousprotocolTypesinothercombinationsmayrequirepermissionoftheirrespectivecopyrightholders.2SpecificationsTheprincipalobjectiveofthispartofIEC61158istospecifythecharacteristicsofconceptualDataLinkServicessuitablefortime-criticalcommunications,andthussupplementtheOSIBasicReferenceModelinguidingthedevelopm
【中国标准分类号】:N17
【国际标准分类号】:35_100_20;35_160;35_240_50
【页数】:318P;A4
【正文语种】:英语
基本信息
| 标准名称： | 辊熨平展机 |
| 中标分类： | 轻工、文化与生活用品 >> 轻工机械 >> 皮革加工机械 |
| 发布部门： | 中华人民共和国轻工业部 |
| 发布日期： | 1993-07-29 |
| 实施日期： | 1994-03-01 |
| 首发日期： | 1900-01-01 |
| 作废日期： | 1900-01-01 |
| 提出单位： | 轻工业部技术装备司 |
| 归口单位： | 全国毛皮制革机械标准化中心 |
| 起草单位： | 湖州市皮革机械厂 |
| 起草人： | 杨志宏、沈伟荣 |
| 出版社： | 中国轻工业出版社 |
| 出版日期： | 1994-03-01 |
| 页数： | 4页 |
适用范围
本标准规定了辊熨平展机的产品分类、技术要求、试验方法、检验规则和标志、包装、运输、贮存。
本标准适用于辊式熨革并带有平展功能的机器。
前言
没有内容
目录
没有内容
引用标准
没有内容
所属分类： 轻工 文化与生活用品 轻工机械 皮革加工机械
