KB-31508: Using Sleep function in E3.
Question: Can Sleep function be used in E3? Solution: VBSscript’s Sleep method (Windows Script Host – WScript Object) cannot be applied to E3. Furthermore, techniques that “consume” time and/or interrupt…
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What is the bandwidth consumption in an E3 application?
To answer this question, we must first evaluate the application. There are several E3 resources that consume bandwidth, such as: alarm summaries; Viewer queries; Viewer scripts accessing server objects (such…
KB-31835: Maximum amount of characters for a tag’s name.
Question: What is the maximum amount of characters that can be used to name a tag? Solution: For E3 version 3.2, the maximum amount is 259 characters.
KB-31922: Displaying a timer in hour/minute/second format.
Question: How can I display on screen the total amount of time the machine has been on, in hour/minute/second format? Solution: At E3Studio, follow these procedures: Insert a counter tag…
KB-47535: Setting up blink time for a link.
Question: How can I set up the blink for a link that changes the color of an object? Solution: To do so, you must edit the Viewer’s BlinkTime property. This…
Connections between E3 and Database.
For each DBServer created in an E3 domain, there are two possible connections with the Database: one of them is used for E3 services (Formulas, Historics, Storage, and Alarms), and…
KB-28016: Recording data with significant variation.
Question: How can I record data in table only when there is a significant variation on its value? Solution: To do so, use E3Storage. This module has an algorithm that…
KB-32344: Setting up a delay time to activate a digital alarm.
Question: How can I set up a delay time to activate a digital alarm? Solution: To do so, right-click the alarm in E3Studio and select the option Properties. On Digital…
KB-31777: Setting up a bit’s variation as an event.
Question: How can I set up a bit’s change in status as an event, and not as an alarm? Solution: To do so, set it up normally as an alarm…
KB-28435: Activating a digital alarm according to values in two tags.
Question: How can a digital alarm be set up to be activated when the values of two different tags are both TRUE? Solution: To do so, just write an AND…