KB-47889: Changing pen color in real time.
Question: At E3Chart, can I pick a new color for a pen being plotted when clicking the information displayed in the legend of this pen? Solution: Yes. To do so,…
Category: Elipse E3
KB-33574: Setpoint remains on screen even after its status changes to Invisible.
Question: A group with setpoints has a button that changes its status from Visible to Invisible, and vice versa. However, when the value of one of these setpoints is edited…
KB-31675: Using an E2Button with bitmaps in the background.
Question: How can an E2Button be set up to use bitmaps as the button’s background? Solution: To do so, follow these procedures: Include two bitmaps (pressed and not pressed) in…
KB-26057: Viewer’s behavior during servers’ switchover.
Question: What is the Viewer‘s typical behavior during a servers’ switchover in Hot-Standby? Solution: The Viewer switches servers automatically, and will always connect to the active E3Server. However, communication is…
KB-31801: Network integrity check in Hot-Standby settings.
Question: What is an Integrity Ping in Hot-Standby settings? Is it really necessary? Solution: Setting up the Integrity Ping is essential for the Hot-Standby mode to work correctly! The Hot-Standby…
KB-33906: Hot-Standby x Databases.
Question: What is the proper architecture to work with databases in Hot-Standby? Solution: There are two possibilities: Two computers running E3Server (Hot and Standby), and a third one running the…
KB-31289: Time of switchover between Hot-Standby servers.
Question: How long will it take the standby application to take over as the main application in a servers’ switchover? Solution: This time cannot be gauged precisely because it is…
KB-32409: Domain automatic initialization.
Question: How can I set the Domain to run automatically whenever the computer starts up? Solution: To do so, follow these procedures: Go to E3Studio and load the intended domain.…
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…
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…