KB-34475: Opening or closing a screen according to a tag’s value.
Question: How can I execute a script to open a screen whenever a Boolean tag’s value is 1 (one), and close it when it is 0 (zero)? Solution: To do…
KB-34518: Expand Bits option.
Question: What is Expand Bits option for? Solution: Some PLCs do not allow direct access to bit variables, such as in an input or output. In such cases, you must…
KB-34496: Error when generating the Historic’s structure in an Access Database.
Question: If I try to generate the Historic’s structure in an Access Database, the following error occurs: Why does this happen? Solution: This happens because there is a limit of…
KB-36011: Executando comandos de controle/seleção em um Tag Expressão.
Descrição: É possÃvel executar comandos de IF/ELSE/ENDIF em um Tag Expressão? Solução: Não, isso não é possÃvel.
KB-30836: Installing Elipse E3 in a Sun’s VirtualBox virtual machine.
Question: Why can’t E3 be installed in a Sun’s VirtualBox virtual machine? Solution: For this to happen, the VT-x/AMD-v options must be activated on the host’s and virtual machine’s BIOS…
KB-33850: Calculating the standard deviation in a Report.
Question: How can I calculate the standard deviation in data recorded in the database, and display the result in a Report? Solution: This can be done via the Setpoint object’s…
KB-34442: Limiting characters in a Setpoint with a bi-directional link.
Question: How can I set limits to the number of characters that can be read and written in a Setpoint with a bi-directional connection? Solution: To set limits to the…
KB-34346: Exporting a formatted report to PDF.
Question: How can I export a formatted report to PDF? Solution: To do so, the only possibility is to use a virtual printer that prints in PDF format. For virtual…
KB-27150: Data em formato FILETIME no E3.
Descrição: É possÃvel trabalhar com uma data do tipo FILETIME no E3? Solução: Não, isso não é possÃvel, pois esse tipo de dado utiliza 64 bits e trabalha com resolução…
KB-35481: Keyboard’s focus on a CheckBox.
Question: When I select a CheckBox, it receives the keyboard’s focus. However, if I press the SPACE key, the CheckBox changes its value again, causing problems to the process. How…