A support tool for information system design, the screen data for displaying of data of a plc on a display unit is generated and for setting of data for a database that stores the data of the plc, whereby the tool a storage unit, which is in a position of a tool for image screen display editing to read, which is a screen and edited, wherein the screen data and a setting for the database, a setting of an administration unit, in order to obtain a data type of the data of the sps is to be obtained, a screen type input unit, in order to obtain a screen type of the display, a data bank setting unit, the setting data for the database in order to obtain a and a data generation unit, in order to generate data in the memory unit, which the screen data of the image screen type and the setting data for the database to data type for - - - base data linked.
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