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Dipl. Ing. Uwe RahnDipl. Ing.
Uwe Rahn
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Controllers to collect production data

The different control units of the production line record production data. They communicate via Ethernet with the R&W DB-BOX and are able to send data to a database or receive data from the database on request. Database commands are created in the programming language SQL. Thus, it is possible to use the full range of database functions. Database commands are managed in the control units; this is the location where data is present. R&W provides tools for the design and test of database commands. Afterwards, it is possible to convert the commands in data blocks such as Siemens-S7. Suitable functional modules communicate to the DB-BOX. The system is optimised for the Siemens S7 family, but it is also possible to combine it with other control systems.