KB-29090: OPC communication performance.
Question: Which of the options below is the best choice? using an OPC Client with 20 I/O Tags linked to an OPC Server; or using 20 OPC Clients, each with…
Question: Which of the options below is the best choice? using an OPC Client with 20 I/O Tags linked to an OPC Server; or using 20 OPC Clients, each with…
Question: Why are acknowledged alarms reactivated when restarting the Domain? Solution: This is the correct system’s behavior. When restarting the Domain, the alarms that were previously active keep this status,…
Question: How can I disable the access to the Viewer in the machine executing the E3Server? Solution: To do so, set up the Viewer Groups in the application domain options…
Question: How can I change the color of an E3Chart’s pens at run time? Solution: To do so, you must create a script using E3 Viewer’s ShowPickColor method to set…
Autor
Guilherme Taschetto
Question: In a HotStandBy application with two databases to record the same data (one in the main computer, and another one in the secondary computer), is there synchronism between DBs?…
Question: Why is E3Viewer not connecting to the server after the antivirus has been installed? Solution: The antivirus has probably blocked the access port (6515) between E3Viewer and the server.…
Question: How can I group data by minute in a Report? Solution: To do so, you must first insert a new Group Header/Footer section in the report. To set…
Descrição: Como alterar o nome da instância de um XObject em tempo de execução? Solução: Para isso, basta alterar a propriedade Name da instância. Exemplo de script: Application.GetObject(“Dados.XO_Folder”).Item(2).Name = “NovoNomeXO_02”Application.GetObject(“Dados”).Save()…
Descrição: Como atualizar ou deletar um registro selecionado no E3Browser? Solução: Para isso, primeiro deve-se adicionar um script nos eventos Click ou DblClick do E3Browser utilizando o método GetColumnValue para…