KB-47756: Lendo valores de um arquivo CSV.
Autor
Mateus Machado
Sample simCLP application simulating a PLC via OPC server.
Introduction Oftentimes, when developing applications with SCADA software, you will need to perform tests where I/O tags must be either forced or simulated. This article will show you how to…
KB-41077: Prodave driver returns error when inserted into the application.
Question: When Prodave driver is inserted into the application, an error message is returned. In Elipse SCADA, the following message appears on screen: “Failed to load driver DLL ‘c:\temp\prodave.dll’”. In…
KB-47537: Identificando o tamanho de um array.
Descrição: Existe uma função para saber o tamanho de um array? Solução: Sim. A função que deve-se utilizar é UBound. Exemplo de script sendo executado em um botão na tela: Dim…
KB-47537: Measuring arrays.
Question: Is there any function that will help me find out an array’s size? Solution: Yes. To do so, you must use Ubound function. Example of script running in a button…
KB-31755: Advantages of OPC communication.
Question: What are the advantages of communicating via OPC client/server? Solution: Some advantages of communicating via OPC are: Drivers’ easy configuration: once the tag base is created in the OPC…
KB-28611: Importing OPC tags.
Question: Why is an OPC tag imported from an E3 Server displayed as folder containing several properties? Solution: OPC tags are imported as folders containing its main properties. If necessary,…
KB-39425: OPC communication not working, even after DCOM has been set up.
Question: Why is OPC communication working properly in E3Studio, but not when being executed (even after DCOM has been set up)? Solution: This happens because the OPC Server cannot be…
KB-47382: Disabling buttons only for certain groups of users.
Question: How can I disable a button only for certain groups of users (for example, to keep users not belonging to Administrators group from accessing it when they are logged…
KB-41077: Driver Prodave retorna erro quando inserido na aplicação.
Descrição: Ao inserir o driver Prodave na aplicação, é retornada uma mensagem de erro. No Elipse SCADA, a seguinte mensagem aparece na tela: “Não foi possivel abrir o driver DLL…