KB-31922: Displaying a timer in hour/minute/second format.
Question: How can I display on screen the total amount of time the machine has been on, in hour/minute/second format? Solution: At E3Studio, follow these procedures: Insert a counter tag…
Categoria: En
KB-28016: Recording data with significant variation.
Question: How can I record data in table only when there is a significant variation on its value? Solution: To do so, use E3Storage. This module has an algorithm that…
KB-32344: Setting up a delay time to activate a digital alarm.
Question: How can I set up a delay time to activate a digital alarm? Solution: To do so, right-click the alarm in E3Studio and select the option Properties. On Digital…
KB-31777: Setting up a bit’s variation as an event.
Question: How can I set up a bit’s change in status as an event, and not as an alarm? Solution: To do so, set it up normally as an alarm…
KB-28435: Activating a digital alarm according to values in two tags.
Question: How can a digital alarm be set up to be activated when the values of two different tags are both TRUE? Solution: To do so, just write an AND…
KB-35679: Acknowledging alarms via Viewer Only.
Question: Can alarms be acknowledged via Viewer Only? Solution: No, this is not possible. A Viewer Only does not allow sending commands to the server, and the Alarm Server, which…
KB-49201: Using Log10 function and Case/Else commands in an SQL query.
Question: How can I have a Query’s Log10 function be executed only in rows different from 0 (zero), leaving rows equal to zero with value 0 (zero)? Solution: To apply…
KB-29137: Using two decimal marks at the same time.
Question: Can both “.” and “,” characters be used as decimal marks at the same time? Solution: No, this cannot be done, because Windows only accepts one decimal mark at…
KB-31394: Using Windows APIs in E3.
Question: Can Windows APIs be declared in the E3 application to leave the screen transparent, only displaying objects (buttons, images, etc.)? Can it be done in Visual Basic applications? Solution:No,…
KB-31471: .DOM file not being executed via desktop.
Question: Why can’t the .DOM file be executed via double click after it had been copied and pasted onto the desktop? It works properly when executed via the project’s folder.…