KB-30897: Changing a SetPoint into a Display.
Question: Can I change a SetPoint into a Display, and vice versa? Solution: Text, Display, and SetPoint are all the same object, named DrawString. The initial settings of some of…
Category: English
KB-30896: Blocking users after N number of failed logins.
Question: How can set up the E3 application to block users after n failed attempts to log in? Solution: To do so, right-click the E3Admin and select Domain–Options. Then, access…
KB-30890: Changing the messages zone via Demo Tag.
Autor
Mateus Machado
KB-30772: Acknowledging alarms in two Domains at the same time.
Question: There are two machines, each one executing an E3 Server, which communicate to a single PLC. Can I configure the application to acknowledge alarms in both Domains when acknowledging…
KB-30877: OPC communication only works via Studio.
Question: When E3 is an OPC Client and communication happens via E3 Studio, it works properly. However, when executing the Domain, it does not work. Why does this occur? Solution:…
KB-30796: Issuing commands from the WebViewer.
Question: Can I send commands to the E3Server via WebViewer? Solution: Yes. However, you must remember that the WebViewer uses a Viewer license to work, so the hardkey of the…
KB-30714: Limiting the number of Viewers per computer.
Question: How can I limit the number of Viewers per computer to no more than one? Solution: To do so, you can create a Viewers Group for each computer, and…
KB-30692: Changing a Demo Tag’s variation.
Question: How can I enable/disable a Demo Tag’s variation? Solution: To do so, you must edit the tag’s Enabled property: Enabled = True (the tag varies) Enabled = False (the…
KB-30715: Negative values not being read properly
Question: Why are the negative values not being read properly? Solution: To fix the problem, you must change the Modbus function’s Datatype to Int (16 or 32). To do so,…
KB-30665: Working with functions in E3 scripts.
Question: How can I work with a function in E3 scripts? Solution: To do so, you must set the function with the structure: Function Name(parameter1, parameter2,.., parameterN) scriptEnd function Example: Sub…