Select PlantStruxure reference architectures? - Schneider Electric ...
Select PlantStruxure reference architectures? - Schneider Electric ... Select PlantStruxure reference architectures? - Schneider Electric ...
3 – Global ref. archi.3.3.2. Centralized network architectureThe following figure describes an example of a PlantStruxure centralized automation system.Other architectures can be proposed using different types of network (Profibus DP for instance).ServersOperatorworkstationEngineeringWorkstationPACEthernetModbusCANopenFigure 10: Example of Centralized architectureThe flat network architecture is used to connect all automation components to a common, centralelement of the operation. This solution can be proposed for compact installations with a limitednumber of devices.A unique Ethernet network interconnects the three logical network levels (operation, control anddevice). Therefore, the control room server and working stations, the PAC and all devices sharethe same network.A star or bus topology can be proposed to connect all devices. If high availability is required, thering topology is the preferred solution.The control room and functional unit levels are described in following chapters.3.4. PlantStruxure modular architecture3.4.1. Modular architecture descriptionThe aim of the modular reference architecture is to propose a distributed control system withmultiple PACs and a distributed SCADA system.Each PAC is dedicated to manage one or several functional units. An Ethernet ring controlnetwork links all functional units and the control room. In each unit a device bus connects the fielddevices to the controller.© 2012 Schneider Electric All Rights Reserved26
3 – Global ref. archi.Different functional unit architectures and control room architectures can be proposed andcombined depending on process and project requirement.Control roomReference architectureOverall network architecture:A layered Ethernet network topology is usedbetween the control room and the functionalunit. A separate control room network isolatesthe different communication traffics.FunctionalUnitFunctionalUnitFunctionalUnitCapabilities:Around 5000 I/O and moreFigure 11: Modular automation systemFrom three to ten PACq with around 1000I/OThis architecture targets mid-size processes such as a water plant for 100 000 inhabitants,medium size hydro power installation, cement plant (2000 ton per day), or food and beveragedairy plant.The functional axes associated to this class of architecture include the following:Functional axisInteraction with userData managementEnergy managementSystem categoriesAlarming: hierarchical alarms, time stampingMonitoring and control with multiple clientsReporting (with or without Historian)Batch system (if required)Energy monitoring and controlMotor control with or without Easy iPMCCProcess and equipment controlAdvanced process controlIntelligent instrumentation control and diagnosticsSystem configuration andadministrationDiagnostics (device, application, network)Device managementMaintainability with FDRReliabilitySafety if requiredFirst level of securityTable 4: Functional axes for modular architectureHigh availability if required27© 2012 Schneider Electric All Rights Reserved
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3 – Global ref. archi.3.3.2. Centralized network architectureThe following figure describes an example of a <strong>PlantStruxure</strong> centralized automation system.Other <strong>architectures</strong> can be proposed using different types of network (Profibus DP for instance).ServersOperatorworkstationEngineeringWorkstationPACEthernetModbusCANopenFigure 10: Example of Centralized architectureThe flat network architecture is used to connect all automation components to a common, centralelement of the operation. This solution can be proposed for compact installations with a limitednumber of devices.A unique Ethernet network interconnects the three logical network levels (operation, control anddevice). Therefore, the control room server and working stations, the PAC and all devices sharethe same network.A star or bus topology can be proposed to connect all devices. If high availability is required, thering topology is the preferred solution.The control room and functional unit levels are described in following chapters.3.4. <strong>PlantStruxure</strong> modular architecture3.4.1. Modular architecture descriptionThe aim of the modular <strong>reference</strong> architecture is to propose a distributed control system withmultiple PACs and a distributed SCADA system.Each PAC is dedicated to manage one or several functional units. An Ethernet ring controlnetwork links all functional units and the control room. In each unit a device bus connects the fielddevices to the controller.© 2012 <strong>Schneider</strong> <strong>Electric</strong> All Rights Reserved26
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