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Value arrays are the objects that allow to access directly to historical= data from the environment of calculation client processes (D2000 Calc, D2000 EventHandler, ...) and to display them for = example directly in pictures.
Value arrays are one-dimensional arrays of historical data. Values of ar= ray items are assigned by the process D2000 Archiv on the basis of the value array definition. The s= ource of values is data from the archive object assigned from the archive. = Value selection from the archive is defined by the value of the time trigge= r and time step. Time trigger defines the time of the first or last item of= the array. Value of the time trigger and time step may be defined statical= ly (configuration) or dynamically - value of any object of D2000 system.
Value type of the array items is given by the value type of the archived= object. If no corresponding value for the array items is stored in the arc= hive, the value of the items is invalid.
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