Jul,2023AUTOMATIONINPETRO-CIEMICALINDUSTRY2023年7月石自Vol.59,No.4动油化第59卷化第4期DCS远程通用I/O技术在石油化工装置中的设计与应用李成凯,范宗海1,张晓刚²,钟坤²,王国庆(1.中国石化工程建设有限公司,北京100101;2.浙江中控技术股份有限公司,浙江杭州310053)摘要:为了降低石油化工装置及现场配套设施控制系统的全生命周期成本,具有通用化程度高、软件定义硬件、部署灵活等特点的通用I/O技术解决方案得到广泛研究和应用。介绍了通用1/O技术中的关键技术和分布式应用技术,以及远程1/O接线箱在防爆、通信、恶劣环境运行时的要求,分析了通用1/O分布式工程应用。实际应用表明:通用1/O技术具有数字化、集成化、通用化、支持远程部署的特点,能够减少机柜间接线与交叉布线,节约工程建设成本,缩短设计与建设周期。关键词:通用I/O技术;软件定义硬件;工业控制系统中图分类号:TP273文献标志码:B文章编号:1007-7324(2023)04-0033-04DesignandApplicationofDCSRemoteUniversalI/OTechnologyinPetrochemicalInstallationLiChengkai',FanZonghai',ZhangXiaogang’,ZhongShen’,WangGuoqing"(1.SinopecEngineeringIncorporation,Beijing,100101,China;2.ZhejiangSupconTechnologyCo.Ltd.,Hangzhou,310053,China)Abstracts:Toreducethefulllifecyclecostofcontrolsystemsofpetrochemicalinstallationandon-sitesupportingfacilities,solutionsofuniversalI/Otechnologywiththecharacteristicsofhighuniversality,hardwaredefinedbysoftware,flexibledeploymentandetc.havebeenwidelystudiedandapplied.ThekeytechnologyanddistributedapplicationtechnologyofuniversalI/O,andtherequirementsonanti-explosion,communicationandsevereconditionsfortheremoteI/Oconnectingboxareintroduced.TheprojectapplyingofuniversalI/Otechnologyisanalyzed.TheactualapplicationindicatesthattheuniversalI/Otechnologyhasthecharacteristicsofdigitization,integration,universalizationandsupportingremotedeployment.Itcanreducetheconnectingandcrossingwiringamongthecabinets,andsavetheprojectconstructingcost,andshortendesignandconstructionperiod.Keywords:universalI/Otechnology;software-definedhardware;industrialcontrolsystem在现代大型石油化工工厂中,DCS对工厂的自动化、信息化和智能化起着重要的作用,作为DCS重要部分...