Chapter 7
Advanced Application Topics
©
National Instruments Corporation
7-5
5.
Make a copy of the Alarms button. Click on the button text with the
labeling tool and name the button
Monitor
.
6.
Pop up on the Monitor button and select Panel G Wizard…. Use the
same settings as before, but connect this button to the
Monitor
Product.vi
you created in Activity 4-3,
.
7.
Make a copy of the Monitor button. Rename the button
Trend
. Using
the Panel G Wizard, connect this button to the
My Tank HMI.vi
you
created in Activity 4-1,
.
8.
Your front panel should now look like this.
9.
Before you run the VI, make sure that the correct
mytanks.scf
file
is being used. If the engine is currently running, you can check
the Engine Manager display. If an incorrect
.scf
file is in use, stop
the engine and open the Tag Browser. Select Tag Browser… to
configure BridgeVIEW to open the
mytanks.scf
file in the
BridgeVIEW\Activity
directory. Launch the engine either from the
Engine Manager display or by selecting Project»Launch Engine….
10. Save
My Menu Bar.vi
. Run the VI. When you press on one of the
buttons, the appropriate panel should open and run.
11. Experiment with other buttons to open the Historical Trend Viewer,
invoke a Login prompt, and so on. You can also configure security
access checks on the buttons.
End of Activity 7-1.
VI Server Functions
The VI Server provides you with several functions to control your VIs,
such as panel location, size, and visibility. These functions are useful when
your application requires a large number of different operator screens.
