How to control an electric motor using LabVIEW?

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  Hello

  I am vishal.

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  using or pxi5152 digitizer.now I have to control the two instruments of this and take values of the digitizer.

  but the problem is that I don't know who you screw to control these instruments, because I do this first time.

  I just know that the NIDAQmax screws can be used, but do not know how to use it.

  Please give me a little early to make this program.

  Thank you.

  You can find this useful: combined with the switch Modules OR PXI high-speed digitizers measures. Basically, OR-Switch is used to control the multiplexer.

• How to control the Planar scanner using labview

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• How to implement the wafer map using LabVIEW?

  Hello LabVIEW Masters!

  I have a project which includes control and searching for information on a PROBER. One of the difficulties I have now is how to implement a WAFER card using LabVIEW. According to the requirements of my client, the element of pads varies between 6 k and 23 k. I guess that do everything (a = a ctl/indicator led) will be a hell of a task, especially on how to effectively manipulate each elements. Does anyone have a better idea on the way whose that?

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• How to control the mouse cursor using EEG signals

  Hello world

  I am doing a project of cursor control using EEG signals. The idea is to find a way to all signals in a specific period of time in order to find the signal Ridge. Then, the highlight will be a parameter to control the position of a cursor.

  Can someone tell me the function that allows you to control the mouse cursor?

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  Sorry, but I can't do it for you.

  As I advised, you should take the free online tutorials. You clearly lacks the basic concepts of LabVIEW, as data flow.

  Things more: in your real applicaton does not use DAQ Assistant, screw Express are generally not optimal for data acquisition. It is safer and better use good DAQmx live. What is the equipment you use? Sampling rate, etc.?

  Why do you need to read data files? For testing? I thought that you will acquire data active, right? In your VI generate you some signals and write in a data file. Is this also for testing?

  There are several constructs in your VI which simply don't make sense.

  So again, I really suggest to go through online Core1-2 teaching material, which is accessible if you are a student, or if you have shared services provider license... It will really help.

• control of DC motor using myDAQ

  Hello

  I'm building a DC motor using myDAQ command, that I ran into a couple of problem with the STOP button and the Max speed Min. For some reason, the diagram of waveform becomes crazy I will attach my file VI.

  Description of the project:

  -An engine-engine-OFF button
  -A control for fast / slow
  -A switch left / right
  -A speed once button maximum (100)
  -A speed once button minimum (10)
  -An indicator of instantaneous speed (0 - stop, maximum 100)
  -An indicator that signals the direction

  Could someone tell me why it happens and how to solve the problem?

  Thank you very much!

  Best,

  Istrael

  Hi Istrael,

  You use a lot of CPU resources by not including not calendar in your loop. I think that your questions can be resolved if you place a timer 'Until the next ms Multiple' in your 'pulsegenerate.vi' in a loop. This will actually load on your CPU if you set it to 1 ms.

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• order a motor, using labview

  What are the components do I need to order an engine step by step using labview?

  AlSi, I have a box or-usb-4431 daq. Who will be of any help?

  If his computer then,

  Material: PC > PCI card movement > UMI - 7774 > Motor Drives > stepper motor.

  Software: LabVIEW.

  Better, you can consult with an engineer of NOR. They can guide you better.

  Kind regards

  Leila

• How can I control Sierra Instruments MFC using LabVIEW without the necessary drivers?

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• How to interface a simple way using LabVIEW 2009 simulink model and SIT?

  Hello

  I finally found a way to use a template simulink with LabVIEW and the Toolbox to SIT, but I'm not satisfied.

  If you have any suggestions, the link of resource that I missed, please do not hesitate to answer

  Note that I do not know much about simulink, so that is my question seems stupid, let me know what

  Software configuration

  OS: Windows (not an RT target)

  LabVIEW 2009

  SIT 2009

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  We have created a model of DLL by using the 'Workshop in real time' tab in simulink.

  In LabVIEW, launch us the tool 'SIT connection manager' and try to use the DLL with a driver VI by mapping the e/s model for screw/lights orders.

  The fact is that I fail to connect to my controls/indicators VI/o model because they do not appear in the mapping dialog box.

  The simulink single objects that I managed to map are "constant" and "test points" while I need to edit the template simulink itself (example below)

  

  Are in e/s model, not considered as part of the parameters of the model? (this could make sense because the mapping says in fact that it operates on "model parameters")

  Is it possible to link the IO model VI commands/lights?

  Note:

  -the "configure HW i/o mapping" dialog box allows me to map model e/s with e/s HW...

  -The examples also use these "constant" and "test points".

  2nd question: use of direct screw SIT

  I tried to use the DLL directly with the screws SIT (code example below)

  This kind of code works well on another project (target of 8.0/RT LV) but not on the current project (LV 2009/Windows)

  The second stage of the model never ends:

  -0-index of the loop works as expected (model doing its job).

  -index of the loop 1 starts normally, but execution is stuck in the 'SIT scheduler.vi.

  Then I have no choice that to kill LabVIEW ("Reset screws" windows appear if I try to stop/close them).

  

  Is there a reason that I do not see what explains this behavior?

  Thanks for reading.

  Any help appreciated.

  Kind regards

  Hello

  I spent some time analyzing the VI driver as you suggested.

  Here are my findings.

  Question 1: the SIT connection manager does not pass to the model SW controls/indicators. Only, it allows the user map HW AIs/AOs.

  The only solution I found (to have a SW - for example a shared variable - object that is mapped to an input/output model) is to customize the VI driver that is scripted by the SIT Connection Manager ("_Baserate Loop.vi" in the flat sequence structure named "read code")

  Question 2: after spending some time in the VI driver, it seems that the VI to call right is not 'SIT scheduler.vi' but 'If SIT take model no time' (which uses the other as a Subvi)

  

  My conclusions are correct? If I use the API in the wrong way, please let me know.

  Kind regards

• How to randomly choose excellent data using labview.

  A very good day to all. I am currently working on a system that will be selecting whole number of together generated at random in number. If this is not possible, I would like to the system to be able to select the number of the set of numbers that have already been generated randomly from excel. kindly help me with the solution. To get clear, assuming I put numbers 1 to 10, I want a labview setup that will recover these numbers one after the other or with replacement without excel or auto generated. I know it's possible in matlab, but would prefer if possible labview.  Thank you

  More, otherwise all of the languages that I ran across were a rand() function returns a random number between 0 and 1.  Get some other range belongs to the programmer.  The usual method is to multiply by the beach, you need and add an offset to adjust the average.  For example, if you need a random number between 200 and 300, the formula can present themselves as "rand () * 100 + 200". "   If you need an integer, you can use the round function (who, it will remain as a float with no decimal pportion) or conversion (all).    All this is feasible and direct in LabVIEW.  Take a look: http://digital.ni.com/public.nsf/allkb/FCCDCD678EEF3A9186256D7B008054F5

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• How smooth a XY chart by using Labview 6i?

  Hello

  My main Vi captures the data that I sent to a XY graph

  

  I would like to smooth out the curve before and after ('not ok' on the photo) the main peak ('ok' on the photo)

  I looked for aboard or and have not found anything that I could use with Labview 6i

  Does anyone have a solution?

  Thanks in advance

  See attached simple vi with data and graphics

  There are several options:

  1. Use the filters in the range of Signal Processing to smooth the data.
  2. Fourier filtering techniques to smooth the data.  Fourier transformations are also in the range of Signal Processing.
  3. Use almost any technical standard smoothing.  To view the online version of the Numerical Recipes many methods.  You will need C in LabVIEW, but it's pretty easy.  Savitzky-Golay smoothing is especially good for this type of problem.

  You will need to convert your XY data to waveform to get one of these at work.  If you data are spaced regularly, it's pretty easy.  If they are not, you will need to make some kind of interpolation.  Or you can simply ignore the fact that you have unevenly sampled data, convert a waveform, smooth, then convert back.

  A word of warning.  The 'not OK' part of your waveform seems to have important characteristics.  Putting my hat physicist for a moment, are you sure you want these pics gone?  This is also true of the myriad of small peaks around the main one.  Be careful.  A better approach might be to eliminate differences in gain in order to have a flat bottom (1060nm region - 1080nm), and then try to model the peaks of interest.  You could also take multiple series of data and to get rid of some of your sounds, average your X-scale condition is stable.  But it really seems not to be much noise on these data.  Most seem to be important.

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• zedboard Xilinx Zync 7000 interface using labview

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  I'm doing my thesis in Zedboard for the development of a test for DDR3 memory and verification. For this I need to set up a base of dedicated on NI Measurement Studio LabVIEW graphical user Interface.

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  Nithin Ponnarasseri

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• AKM21C using LABVIEW servo motor control

  Hello

  I'm controlling only 3 engine AKM21C using LABVIEW. I want a user to enter a certain length and width to move the motor in x-y-directions, and through the GUI LABVIEW on the façade. Two of the engines must evolve synchronously in the direction, while the third engine moves in. x I have a query UMI-7774 interface connected to the reader of the AKD engines.

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  Hello

  Assuming you are using one of our motion controller cards, follow-up guide will be an excellent aid step by step to get you started: http://www.ni.com/pdf/manuals/375543c.pdf.