i4scada Test Center Overview
Live monitoring and testing of the i4scada Signals in a user-friendly environment. Check out more details about the i4scada Test Center by opening this article.
i4scada Test Center allows the users to monitor and test the signals configured with i4scada Studio. The Test Center can be very helpful when testing web applications or new controls. The user can assign new values to signals, simulating changes of values.
The signals have to be writable in order to receive new values from the Test Center.
The software user interface consists of a menu bar and a display area, where the process values are presented in the form of a list.
Test center
Menu Bar
UI Option | Description |
|---|---|
Program/ Open | Open saved signal configuration |
Program / Save | Save the current signal configuration. The currently loaded configuration is overwritten |
Program / Save As | Saves the current configuration under a new name. |
Program / Options | Opens a new dialogue for general program settings. |
Program / Terminate | Terminates the i4scadaTest Center. |
Signals / Add | Adds signals (process variables) or system variables |
Signals / Remove | Removes an indicated process variable from the list. |
Signals / Write | Opens a dialogue for the description of process variables. |
Signals / Import | Allows the user to import signals by:
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Signals / Validate | Opens a dialog in order to check that the selected signals are correct. In this way, verification is made as to whether the signals already exist in the database and whether the signals from the i4scada Server have also been initialized properly for communication. |
Communication / Manage Servers | Opens a dialog in order to parametrize the configuration for local or remote i4scadaservers. |
Help / About | Displays the i4scadaTest Center version number. |
Options
You can customize the way in which i4scadaTest Center works using the Options dialog.
Test center Options dialog
UI Option | Description |
|---|---|
Always on top | The program window always remains in the foreground. |
Perform communication tests | When a signal is imported, a communication test is automatically conducted by the i4scada Server. |
Remember last recent signal list at start-up | The current signal list will be automatically saved when the program shuts down and will be reloaded when the program is restarted. |
Add and Remove signals
This option can be used to manually add signals to the signal list.
Test center Add Signal dialog
UI Option | Description |
|---|---|
Server name | Select the name of the i4scada Server. |
Custom signal | Enter the process signal, which was manually installed in i4scadaStudio. |
System signal | System-specific status signals to display the i4scada Server Status:
4 statuses can appear on AliveStatus messages.
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Click on the Remove option and the signal that is selected in the list will be deleted.
Write
The Write command opens a dialog that allows you to write a new value to the signal selected in the signal list.
Write signal values dialog
Alphanumeric values can be typed in the Real/String field. If the Boolean value option is selected and the box is ticked, the value 1 will be written. If the Boolean value option is selected, and the box isn’t ticked, the value 0 will be written.
Note
If the security system is activated, a user and a password must be entered into the dialogue field, before you can write a value to the i4scada server.
Secure Write Operations
In order to write signal variables, if the security system is activated, you must enter a user who has the necessary write access and a password.
Secure Write operations dialog
The security system with a user and a password is configured using the i4scada User Manager.
UI Option | Description |
|---|---|
Enabled | Write operations are performed using the user name and the password that were provided. No verification is carried out if the security system in the i4scada server is deactivated. |
User Name | The user name that is used for write operations. |
Password | The password that is used for writing operations |