Property access for read and write
The default value of this property is defined in the "Description (desc)
" configurator of this object.
The user description of the alarm item is introduced at the moment of alarm item creation. For the user configured alarm items are set by corresponding configurator in the development environment. For dynamically created alarm items it is entered as optional parameter sDesc
in the ActivateNew
methods. If the alarm item is active, then the value can be changed anytime by writing into this property. The modified value will be written automatically to disk into the history when the alarm expires or after acknowledgment and also when the application is terminated.
can be used for input ($.text
..) (it is evaluated while the window is opening). Caution: Macro expression $vb cannot be used
for input. Macro expression $.text
it can be used both for configuration in the development environment, or in the running application by writing into this property. This enables alarm item texts localization. In this property and on the disk in alarm history the corresponding macro expression is saved (not the macro expression result). It is then possible in the application to switch the language while viewing the alarm states/alarm history/event history and the alarm texts will be displayed in selected language.