KB-30172: Running two E3 applications in the same computer.
Question: Can two E3 applications run in the same computer? Solution: No, they cannot. To work around this issue, you can try one of the following: Using two different computers;…
Categoria: En
KB-28200: Historic not recording decimal values.
Question: The application reads the PLC’s decimal value as “0.98”, but the Historic displays this value as 0 instead. Why does this happen, and how can I fix this? Solution:…
KB-33057: Retrieving individual data on date and time.
Question: How can I get individual data about the current date (day, month, year, hour, minute and second)? Solution: To do so, you can use now command, which returns the…
KB-35691: Changing only the Source field in a link.
Question: Can I remove only a link’s source via scripts, with no need to change the other settings (in a table link, for example)? Solution: Yes, you can. To do…
KB-27313: Erasing the domains list displayed when E3Studio starts.
Question: How can I erase the list with the projects registry displayed when E3Studio starts? Solution: To do so, just follow these procedures: Open Run command via Start menu. Execute…
KB-30882: Opening the Windows calculator via scripts.
Question: How can I execute the Windows calculator via scripts? Solution: There are two ways to do so: 1) By using Viewer’s ExecuteExternalApp method, which executes external software. For example:…
KB-28625: Adding a Driver to an XObject.
Question: How can I add a Driver to an XObject, and also allow access to its properties when the XObject is inserted in the project? Solution: To do so, you…
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…