Select PlantStruxure reference architectures? - Schneider Electric ...
Select PlantStruxure reference architectures? - Schneider Electric ... Select PlantStruxure reference architectures? - Schneider Electric ...
4 – Control room ref. archi.4.5. Control room architecture selection summaryThe values presented in this table depend on the segment and customer needs, so use them onlyas a guide.Parameters Compact control room Process control room Plant Operation centreNumber of PACs to monitorand control1 or 2 3 to 5 10 and moreSCADA servers Standalone Redundant Multiple redundant serversI/O server tags 5000 15000 100000 and moreAlarms 1500 6000 15000 and moreTrends 500 1500 5000 and moreOperator workstations 1 4 to 10 6 and moreHistorian No Yes YesMES No Option YesTable 7: Control room architecture selection guide© 2012 Schneider Electric All Rights Reserved38
5. Functional unit reference architectures5 – Func. unit ref. archi.5.1. Functional unit architecture structuringA process automation system is composed of several functional units that follow the differentprocess steps.The following drawing shows a cement plant with five main process steps. Each step can beassociated to a functional unit to control the process.Figure 19: Cement plant functional unitsAn automation process functional unit is composed of all the components necessary to managethe motor control devices, the sensors, the actuators, the control loops, the power, the securityand so on.© 2012 Schneider Electric All Rights Reserved39
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4 – Control room ref. archi.4.5. Control room architecture selection summaryThe values presented in this table depend on the segment and customer needs, so use them onlyas a guide.Parameters Compact control room Process control room Plant Operation centreNumber of PACs to monitorand control1 or 2 3 to 5 10 and moreSCADA servers Standalone Redundant Multiple redundant serversI/O server tags 5000 15000 100000 and moreAlarms 1500 6000 15000 and moreTrends 500 1500 5000 and moreOperator workstations 1 4 to 10 6 and moreHistorian No Yes YesMES No Option YesTable 7: Control room architecture selection guide© 2012 <strong>Schneider</strong> <strong>Electric</strong> All Rights Reserved38
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