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20. For both output terminals on the Tone Measurements icon, right click and select Create>>Numeric Indicator to create Front Panel displays of theseparameters.

21. Your block diagram should now be similar to Figure 9.

22. There are several Express VIs in the Signal Analysis palette that are similar to the Tone Express VI.These other Express VIs display information regarding frequency content, DC offset, curve fitting, etc. Depending on time, you maywant to experiment with these other functions.

Block Diagram with Measurements SubVI

3.4 displaying data on-screen

One of the strengths of LabVIEW is the ease with which user interfaces are developed. In this section we willdevelop an on-screen graph display.

23. Right-click on the wire between the DAQ Assistant and the Tone Measurements icons. SelectCreate>>Graph Indicator.

24. Display the Front Panel by pressing<Ctrl-E>. You should see that a graph has been created on the Front Panel.

Block Diagram with Graph Added

3.5 writing data to a file

Now that the VI can acquire data, we will develop a means to write the data to an Excel file and display thedata onscreen. We will use the“Write to Measurement File”Express VI.

25. Right click on the Block Diagram to bring up the Functions Palette.

26. If you can’t find the“Write to Measurement File”Express VI, click on the search button at the top of the Functions Palette. Type“write to file”and double click the choice that ends in<<file I/O>>. The search menu will change into the Functions Palette, and the“Write to Measurement File”Express VI will be highlighted. Place this Express VI on the block diagram.

Write to Measurement File Configuration Window

27. Configure the window as shown in Figure 11. Configure the File Name window to contain thepath to wherever you wish to store your data. Change the Segment Headers to OneHeader Only and the X Value Columns to One Column Only. Click OK.

28. Place your cursor over the data output terminal on the DAQ assistant icon. The cursor should change to awire spool. Click on the data terminal and connect the wire to the signals inputterminal on the Write to File icon.

29. Right click the File Name terminal input on the Write to File icon. Select Create>>Control. This creates a field on the Front Panel where the user can enter thename of the data file that will be created.

30. Create a write disable button by right-clicking on the front panel. Click Boolean>>Push Button. Type“Store Data”to change the name of the control.

31. On the block diagram, connect the push button to the Enable terminal on the Write to File icon. (When thiscontrol is enabled, the program will write data to the file-path indicated on the Front Panel.)

32. Your Block Diagram should now be similar to Figure 12.

Block Diagram

3.6 running the vi

33. On the Front Panel, click the Run button. You should see the signal from the function generator displayed onthe graph.

34. When you enable data storage, a .lvm file should will be created in your folder. On the Windows desktop, openyour group’s folder. Right click on the .lvm file that you just made and select Open With>>Microsoft Office Excel.

35. Plot the data and compare it to the graph shown on the front panel. You may want save screen shots or makehard-copies of any plots to include in your lab book.

Part 4: shutting down

After you have saved any data you want to keep, close all programs and log off of the computer. Turn off theCompactDAQ chassis, the function generator, and the oscilloscope. Take time to clean up your work area. Ten percent of your lab bookgrade will be based on cleanliness.

Lab report

You are to submit a one-page memo report describing what you learned from the lab. See the Lab 1 WritingAssignment handout for more details.

Questions & Answers

how can chip be made from sand
Eke Reply
are nano particles real
Missy Reply
Hello, if I study Physics teacher in bachelor, can I study Nanotechnology in master?
Lale Reply
no can't
where we get a research paper on Nano chemistry....?
Maira Reply
nanopartical of organic/inorganic / physical chemistry , pdf / thesis / review
what are the products of Nano chemistry?
Maira Reply
There are lots of products of nano chemistry... Like nano coatings.....carbon fiber.. And lots of others..
Even nanotechnology is pretty much all about chemistry... Its the chemistry on quantum or atomic level
no nanotechnology is also a part of physics and maths it requires angle formulas and some pressure regarding concepts
Preparation and Applications of Nanomaterial for Drug Delivery
Hafiz Reply
Application of nanotechnology in medicine
has a lot of application modern world
what is variations in raman spectra for nanomaterials
Jyoti Reply
ya I also want to know the raman spectra
I only see partial conversation and what's the question here!
Crow Reply
what about nanotechnology for water purification
RAW Reply
please someone correct me if I'm wrong but I think one can use nanoparticles, specially silver nanoparticles for water treatment.
yes that's correct
I think
Nasa has use it in the 60's, copper as water purification in the moon travel.
nanocopper obvius
what is the stm
Brian Reply
is there industrial application of fullrenes. What is the method to prepare fullrene on large scale.?
industrial application...? mmm I think on the medical side as drug carrier, but you should go deeper on your research, I may be wrong
How we are making nano material?
what is a peer
What is meant by 'nano scale'?
What is STMs full form?
scanning tunneling microscope
how nano science is used for hydrophobicity
Do u think that Graphene and Fullrene fiber can be used to make Air Plane body structure the lightest and strongest. Rafiq
what is differents between GO and RGO?
what is simplest way to understand the applications of nano robots used to detect the cancer affected cell of human body.? How this robot is carried to required site of body cell.? what will be the carrier material and how can be detected that correct delivery of drug is done Rafiq
analytical skills graphene is prepared to kill any type viruses .
Any one who tell me about Preparation and application of Nanomaterial for drug Delivery
what is Nano technology ?
Bob Reply
write examples of Nano molecule?
The nanotechnology is as new science, to scale nanometric
nanotechnology is the study, desing, synthesis, manipulation and application of materials and functional systems through control of matter at nanoscale
how did you get the value of 2000N.What calculations are needed to arrive at it
Smarajit Reply
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Source:  OpenStax, Introduction to mechanical measurements. OpenStax CNX. Oct 18, 2006 Download for free at http://cnx.org/content/col10385/1.1
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