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Object: Property

Symbol: _cds_icon_interface_property.png

Keyword: ‎PROPERTY‎

Properties are an extension of the IEC 61131-3 standard and a tool for object-oriented programming.

Properties are used for data encapsulation because they allow for external access to data and act as filters at the same time. For this purpose, a property provides the accessor methods ‎Get‎ and ‎Set‎ which allows for read and write access to the data of the instance below the property.

You can add a property with accessor methods below a program, a function block, or a global variable list. Click “Project  Add Object  Property” to open the “Add Property” dialog.

You can add an ⮫ interface property below an interface.

When you copy a property that is inserted below a POU and add it below an interface, or if you move the property there, the included implementations are removed automatically.

  • Dialog: Add Property
  • Editor: Property
  • Get and Set accessors
  • Monitoring of properties in online mode