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Data acquisition 4-14 Fixed scaling is useful, for example, if you would like to “zoom” small changes of a measured value in a particular value range. Please note that changing the sign interpretation may cause the minimum and maximum values to be reversed. 4.5 Modes of data acquisition Three different types of acquisition are available. You specify the type of data acquisition under Acquisition mode. Fig. 4-11 Setting the acquisition mode The signal data acquired by the PLC are saved in a signal file according to the acquisition mode. Following table shows the differences:
