Front panel – National Instruments BridgeVIEW User Manual

Page 244

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Chapter 11

Loops and Charts

© National Instruments Corporation

11-5

BridgeVIEW User Manual

Front Panel

1.

Open a new front panel by selecting File»New.

2.

Place a Vertical Switch (Controls»Boolean) on the front panel.
Label the switch

Enable

.

3.

Use the Labeling tool to create free labels for

ON

and

OFF

. Select the

Labeling tool, and type in the label text. With the Color tool, shown at
left, make the border of the free label transparent by selecting the T
in the bottom left corner of the Color palette.

4.

Place a waveform chart (Controls»Graph) on the front panel.
Label the chart

Random Signal

. The chart displays random data

in real time.

Note

Make sure that you select a waveform chart and not a waveform graph. In the
Graph palette, the waveform chart appears closest to the left side.

5.

Pop up on the chart and choose Show»Palette, and Show»Legend to
hide the palette and legend. The digital display shows the latest value.
Then pop up on the chart and choose Show»Digital Display and
Show»Scroll Bar.

6.

Rescale the chart from

0.0

to

1.0

. Use the Labeling tool to replace the

HI limit of

10.0

with

1.0

.

7.

Place a knob (Controls»Numeric) on the front panel. Label the knob

Loop Delay (sec)

. This knob controls the timing of the While

Loop. Pop up on the knob and deselect Show»Digital Display to hide
the digital display.

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