KB-35071: Disabling the Quality field.
Question: Can I disable the UseTagQuality option from the Historic’s properties to save space in the database? Solution: No, you can’t, because when this option is disabled, the value 1…
KB-27430: MsgBox and Display objects showing different values.
Question: Why do the MsgBox and the Display objects show the same value of a variable, but in different languages? Solution: This happens because the MsgBox object uses the Visual…
KB-27997: Inserting a resource in a closed domain.
Question: Can I insert a resource in an application even when the Domain is closed? Solution: Yes. To do so, just open the project in E3Studio, without loading the Domain,…
KB-27491: Displaying the current time in a Report.
Question: How can I display the current time in a Report? Solution: To do so, you must create a CurrentTime Demo Tag and link it to a Report’s data field.…
KB-27223: Recovering projects/libraries passwords.
Question: How can I break a project/library password in order to recover it? Solution: This can’t be done, because the password is cryptographically stored, and therefore it is impossible to…
KB-27220: Authentication error on MS SQL Server.
Question: Why is thre an authentication error when I try to establish connection with an MS SQL Server database? Solution: To fix this, you must use the MS SQL Server’s…
KB-31047: Real-time pens disappear.
Question: Why do some E3Chart’s real-time pens disappear after a certain time? Solution: This happens because BufferSize property sets a certain number of pens points to be saved in the…
KB-27338: Filtering alarms starting with a given text.
Question: In a Query, how can I filter alarms with areas starting with a given text? Solution: In order to filter alarms with areas starting with a given text (for…
KB-27556: Changing the objects’ activation order.
Question: Can I change the objects’ activation order in the domain? Solution: Yes. To do so, access the E3Studio, load the domain, and select the option Edit Activation Order, by…
KB-27686: Recording TimeStamp in a PLC that is read by multiple tags.
Question: How can I record the TimeStamp in a PLC that is read by six different tags (day, month, year, hour, minute, and second) in the Historic‘s E3TimeStamp field? Solution: …