KB-26658: Tags’ quality.
Question: What is the meaning of the values of the tags’ Quality property? Solution: The quality value that is loaded/displayed in a tag follow the standards defined by OPC: For…
KB-27314: Size limit for DocString property’s content.
Question: What is the size limit of the DocString property’s content? Solution: This limit is of 1GB of characters or the free memory’s size (if it is smaller than 1GB).
KB-35631: E3 versions and builds when using Remote Domains.
Question: Why does the client Domain often disconnect from the server Domains? Solution: Probably, this happens because the client Domain’s version and build are different from the server Domains’ versions…
KB-32808: Using images from the Domain’s resources.
Question: How can I display an image of the Domain’s resources on a Figure object? Solution: To do so, just go to E3Studio and edit the Figure object’s Filename property,…
KB-27974: Recording alarms in Databases.
Question: How can I record alarms from my application on disk? Solution: On the Alarm Server, you can configure alarms to be saved in a Database. To do so, just…
KB-33148: Internal Tags in red in WatchWindow.
Question: Why are some Internal Tags displayed with quality 0 and in red in WatchWindow? Solution: This occurs when the Internal Tags are linked to I/O Tags and the Driver…
KB-36193: Adicionando Pena em um E3Chart em tempo de execução.
Descrição: Como criar uma Consulta e uma Pena de um E3Chart em tempo de execução? Solução: Para isso, deve-se escrever um script usando os métodos AddQuery e AddPen. Para mais…
KB-33048: Screen objects’ dimensions when increasing the application’s resolution.
Question: If I increase an application’s resolution, will the screen objects’ dimensions automatically increase too? Solution: No, they will not. So, you must manually increase the screen objects’ size too…
KB-31734: Using Validate event.
Question: What is the Validate event’s purpose? How can I use it? Solution: You use this event to validate the input data, allowing you to cancel the operation if the…
KB-33058: Selecting more than one OptionButton per screen.
Question: How can I enable the selection of more than one OptionButton per screen? Solution: To do so, you need to set different values in every OptionButton’s GroupName property. For…