KB-35982: Recording the logged user’s name in the Historic.
Question: How can I record the current logged user’s name in the Historic? Solution: To do so, in the login’s script, you must set it to save the user’s name…
Question: How can I record the current logged user’s name in the Historic? Solution: To do so, in the login’s script, you must set it to save the user’s name…
Question: Can I create historic fields at runtime? Or are they only available for edition in the Studio? Solution: Yes, you can create historic fields at runtime; to do so,…
Question: Which type of file can be inserted as a resource in an E3 application? Can an I/O driver be inserted as a resource? Solution: You can use the Insert…
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: 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: 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 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…
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.…