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changes.mady.by.user Evgeniya Kononova

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There are 3 three types of rules for the elements of the OPC - server elements of the Data Access standard:

  1. Change the state of element state while taking the element an element when an element accepts a value from the specified a certain range.
  2. Set the specified card value to an element from the element map (see the Working with OPC-server elements of Data Access standard on the map section).
  3. Change of indicator state while taking the when an element accepts a value from the specified range (see the a certain range (see Working with OPC-server elements of Data Access standard on the mapsection).

Configuring of rules is performed You can configure rules on the basis of the OPC DA State rule object which that is created on the basis of the the OPC Wrapper object. This object is a group of rules in which that can include rules of all types can enter. Only one group of rules can be specified assigned to each element of the OPC - server element of the Data Access standard.