OutlinenIndustrial Control in CERN Accelerator ControlnIndustrial Control Framework ObjectivesnProcess Control AnalysisnUNICOS ModelnProcess Control SpecificationnApplication ProductionnConclusion CERN Accelerator Control Architecture Industrial Control ArchitectureAccelerator Presentation Tier Accelerator Middle Tiercontrol system connection to the process directly or through field-busesIndustrial Field layerSCADA ServersIndustrial Supervision LayerInterface to operators(Monitoring $Application$_AI_$PLC Nb$_Status_WTB : WORD_TO_BIT; $Application$_AI_$PLC Nb$_Status: SECT_CTRL; _TimeRef : DINT;$Equipment$_$Location$_$Name$_StsReg01 AT %QW$StsReg01$ : WORD; $Equipment$_$Location$_$Name$_HFSt AT %QD$HFSt$ : REAL; $Equipment$_$Location$_$Name$_PosSt AT %QD$PosSt$ : REAL; $Equipment$_$Location$_$Name$_AuMoSt : BOOL; $Equipment$_$Location$_$Name$_FoMoSt : BOOL; $Equipment$_$Location$_$Name$_IoErrorW : BOOL; $Equipment$_$Location$_$Name$_IoSimuW : BOOL; $Equipment$_$Location$_$Name$_FoDiPro : BOOL;END_VARPLC code or SCADA DB TemplateSpecification DBProduced code or DB20002007LHC StartupControl project Start up2006Cryogenic StartupFirst Cryogenic commissioning2001Late SpecificationsWorkload