Select PlantStruxure reference architectures? - Schneider Electric ...

5 – Func. unit ref. archi.5.2. PlantStruxure traditional functional unit5.2.1. Functional unit descriptionThe aim of the traditional functional unit architecture is to propose a solution offering a traditionalhard wired solution, without any fieldbus, to be used to connect motors and sensors. It clearlytargets projects with cost constraints or with a low level of expertise.In this case, instrumentation, motors and valves are directly connected to the digital and analogI/O modules. In-rack modules or remote drops can be proposed depending on the topology of theprocess.A Quantum remote I/O system or a Premium/M340 Bus X architecture can be proposed.Bus XEthernetQuantum Traditional Functional UnitFigure 22: Traditional reference architecturePremium or M340 Traditional Functional UnitThis class of functional unit reference architecture can be used in various segments, such as inmining, mineral and metal, or in some case in water applications.For critical applications where PAC redundancy is required, the traditional functional unit can offerhot standby capabilities, providing a highly available solution. Quantum with Ethernet I/Oarchitecture and Premium with Bus X can be used to deliver redundancy.© 2012 Schneider Electric All Rights Reserved43