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56 SMT007 MAGAZINE I APRIL 2020 of automation. The arrows are of significance, as they outline the flow of information that will be an important new part of your smart factory. Table 1 provides more details on creating your smart factory strategy. The timing is ap- proximate, based on how many resources are assigned to the job. The Computer Architecture The computer architecture for the smart facto- ry is the familiar four-level hierarchy (Figure 2). This particular one is the European ISA-95 ar- chitecture defined in 1995. The only difference between the earlier architectures is that Level 4 will probably be the cloud. Another essential feature of the smart facto- ry is the interactive use of data from the many sensors and IoT devices. The data ownership and data structures for both the management environment and the technical environment compose many elements (Figure 3). The activ- Figure 1: The first priority is to establish a strategy for what your smart factory will look like and how it will operate.

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