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: How can I install and insert a third-party ActiveX onto an application’s screen? Solution: To do so, just follow these steps: Download and install the ActiveX file; On E3…
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: 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 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…
Question: Why do the charts stop displaying data when updating E3 from version 2.0 to version 2.5? Solution: This happens because the fields set up in the pens have blank…