National Instruments BridgeVIEW - Manual (Page 11)

Contents
BridgeVIEW User Manual xii © National Instruments Corporation
P
ART
II
G Tutorial
Chapter 9
Creating VIs
What is a Virtual Instrument?.............................................................................................. 9-1
How Do You Build a VI? .................................................................................................... 9-1
VI Hierarchy ......................................................................................................... 9-1
Controls, Constants, and Indicators ...................................................................... 9-2
Terminals .............................................................................................................. 9-3
Wires ..................................................................................................................... 9-3
Tip Strips ................................................................................................ 9-4
Wire Stretching....................................................................................... 9-5
Selecting and Deleting Wires ................................................................. 9-5
Bad Wires ............................................................................................... 9-6
VI Documentation................................................................................................. 9-9
What is a SubVI?............................................................................................................... 9-12
Hierarchy Window .............................................................................................. 9-12
Search Hierarchy .................................................................................. 9-14
Icon and Connector ............................................................................................. 9-14
Opening, Operating, and Changing SubVIs........................................................ 9-19
How Do You Debug a VI? ................................................................................................ 9-21
Chapter 10
Customizing VIs
Set Window Options ........................................................................................... 10-1
SubVI Node Setup .............................................................................................. 10-1
Chapter 11
Loops and Charts
What is a Structure?........................................................................................................... 11-1
Charts................................................................................................................................. 11-2
Chart Modes ........................................................................................................ 11-2
Faster Chart Updates ........................................................................................... 11-3
Overlaid Versus Stacked Plots ............................................................................ 11-3
While Loops ...................................................................................................................... 11-4
Mechanical Action of Boolean Switches ............................................................ 11-7
Timing ................................................................................................................. 11-9
Preventing Code Execution in the First Iteration.............................................. 11-10