Known limitations

The InTouch web client will be enhanced with each product release. The following list summarizes the major limitations in the current release.

• InTouch WindowViewer running in an RDS session is not supported for data communication with the Web Server.

• Published applications from System Platform 2017 and earlier versions are not supported by the Web Client. You must migrate the original application to the current version and then republish the application to work with Web Client.

• Frame windows with special (unsupported) characters in the window name are not supported.

• Indirect tags are not supported.

• The PlaySound() script function is not supported.

• For InTouch HMI managed applications, Galaxy based security is not supported.

• System tags will not return user name, and related details per user.

• Setting graphic properties using a script: Only the following properties are supported for reading or writing to a graphic element property using a script:

  • Position (X,Y)

  • Size(Height,Width)

  • Angle

  • StartAngle

  • SweepAngle

• Several symbols in the symbol library incorporate graphic elements or color settings that are not supported by the Web Client in the current release.

• Windows Common Controls (WCC) refer to RadioButton Group, CheckBox, Editbox, ComboBox, Calendar, DateTime Picker, and ListBox.

  Note: The ComboBox control cannot pass values to the reference object while typing a string. You can only select from predefined values in the ComboBox, regardless of the selected type.

• The Multi Pens Trend graphic element is not supported.

• Bit State animations are not supported.

• The following Truth Table animations are not supported: Disable, Visibility, Blink, and Value Display.

• The custom properties with History Summary data type are not supported.

The following sections describe these limitations in detail.

Important: When loading a graphic in the Web Client, unsupported features are logged as warnings in the Logger. A generated report will include the warning path.