Extensions.HMI.ScreenSignature

Introductions

The screen signature the interface for input and output within the HMI library (Human Machine Interface), see Signature Concept.

Properties

• Name (required)

  Within the OTX document unique name

• Specification

  Description of ScreenSignature

• Visibility
  • Private (default)
  • Package
  • Public

• Screen parameter
  • Parameters of the screen, see Parameter Declaration. They are the opposite of the arguments of the OpenScreen activity.

• Category

  Assign the parameters to a specific group. The following values ​​are recommended by the standard. However, any other values ​​may be used.

  • TITLE - parameter is displayed as the title
  • MESSAGE - parameter is represented as a Communication
  • GRAPH - parameter is represented as a graph
  • WARNING - parameter is displayed as a warning
  • BUTTON - parameter is represented as a button
  • CHECKBOX - parameter is represented as a checkbox
  • INPUT - parameter is represented as input mask
  • CHOICE - parameter will be rendered as a choice (applies to otx:List and otx:Map only)