Select PlantStruxure reference architectures? - Schneider Electric ...
Select PlantStruxure reference architectures? - Schneider Electric ... Select PlantStruxure reference architectures? - Schneider Electric ...
3 – Global ref. archi.Functional axisProcess and equipment controlSystem categoriesMotor control with high dependability iPMCCAdvanced process controlIntelligent instrumentationMaintainability with FDRSystem configuration andadministrationFull diagnostics (application, network and device)Tool-based device managementConfiguration managementSafety if requiredReliabilityHigh availabilityTable 5: Functional axis for large process architectureSecure control room and functional unit3.5.2. Large process network architectureThe large process network architecture is the same as the PlantStruxure modular architecture;three separate network layers structure the plant network diagram.A large process automation system often requires a highly available solution at all levels of thearchitecture.The system architecture drawn below shows the various layers where redundancy capabilitiesare proposed:At the plant level, which includes redundancy of multiple SCADA servers and operatorclients, as well as redundancy of network interfacesAt the control network level, which includes dual ring capabilities using an effectiveredundancy management protocolAt the functional unit level, which includes redundancy of the control system and the fieldnetwork30© 2012 Schneider Electric All Rights Reserved
3 – Global ref. archi.The following figure describes an example of PlantStruxure large process automation system:ER P SystemBatchSystemHistorianManufacturingExecutionSystemEngineeringWorkstation/System serversAssetmanagementR edundantSCADAServersGlobal Operators workstationsCluster 1 Cluster 2FirewallWiFiDual Ethernet Control RingFirewallPACPACPACDevicenetworkEthernetProfibusPAEthernetFOEthernetFigure 14: Example of large process architectureThis architecture allows a significant increase in the level of availability. The dual Ethernet controlring implementation of such topology implies that a SCADA server must be equipped with twocommunication boards, and reciprocally each PAC must be allotted two Ethernet ports.The dual ring topology simply replicates the chosen type of single architecture (ring, ring couplingor ring nesting) and, therefore, each terminal node has dual network access. Ring coupling canalso be proposed to increase the level of availability.The Extended ConneXium switches (or DRS – Dual Ring Switch) allow easy management andcoupling of two Ethernet rings.The control room and functional unit levels are described in the following chapters.Security is also a key requirement that is fully integrated in this level of architecture with firewallsto protect access to the control room and to functional units.© 2012 Schneider Electric All Rights Reserved31
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3 – Global ref. archi.Functional axisProcess and equipment controlSystem categoriesMotor control with high dependability iPMCCAdvanced process controlIntelligent instrumentationMaintainability with FDRSystem configuration andadministrationFull diagnostics (application, network and device)Tool-based device managementConfiguration managementSafety if requiredReliabilityHigh availabilityTable 5: Functional axis for large process architectureSecure control room and functional unit3.5.2. Large process network architectureThe large process network architecture is the same as the <strong>PlantStruxure</strong> modular architecture;three separate network layers structure the plant network diagram.A large process automation system often requires a highly available solution at all levels of thearchitecture.The system architecture drawn below shows the various layers where redundancy capabilitiesare proposed:At the plant level, which includes redundancy of multiple SCADA servers and operatorclients, as well as redundancy of network interfacesAt the control network level, which includes dual ring capabilities using an effectiveredundancy management protocolAt the functional unit level, which includes redundancy of the control system and the fieldnetwork30© 2012 <strong>Schneider</strong> <strong>Electric</strong> All Rights Reserved
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