Clear dropdown selection and string box everytime sub vi runs
Hi all, Is there a way to clear a string/text box and dropdown menu(enum/ring ) selection every time the subvi which contains these controls runs. Thanks,
View Articlehow to control a motor and a bobbin please ?
Good evening,please i'm a beginner in LabVIEW and i can't find a solution to my problem, i just want to use the function write daq (digital output) to active a bobin and a motor using a pushboton,and...
View Articleloop
Hi All, Can somebody help me?For some reason if I use Loop structure with a working code and I want to use/indicate the genereted data, the VI does not do that. It is constantly showing 0. Thank you...
View ArticleAccounting for signal drift
Hello,I'm a beginner LabVIEW-user and have a question that maybe painfully obvious to a more experienced user. I am using a CP225D Sartorius analytical balance to record changing mass at the mg-scale...
View Articlereal time crash
Good afternoon. I have implemented a set of software on a cRIO (NI-9074) that controls units under test, acquires analog data from 85 channels, analyzes the data for failure conditions, and creates a...
View ArticlePXIe 4499 TEDs problem
Hi I have 2 DSA cards,4461 and 4499. I can easily configure the TEDs on 4461 when I click on Scan for HW TEDs but when I do the same using 4499 I can't detect the TEDs and I get this error message...
View Articlestepper motor interface with labview and arduino
Hello everyone i am having problem with my coding. I have to make the stepper motor rotate accordingly. i am sorting object where specific QR code are stick on it.However, when the qr code on the...
View Articlefpga (PXI-7852R) complex periodic waveform generation
I would like to create a complex periodic wave (digital) with my PXI-7852R. After checking out the article here on periodic wave form generation with cRIO and then trying for a couple hours to get this...
View ArticleHow do you control the acceleration and velocity of the contour move function?
Unlike straight line move there isn't a control for acceleration, velocity and etc... For contour move so I was wondering how you control the movement so that a stepper motor slows down near the set...
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motor direction controlled by Dial control
how to control the direction of motor by using Dial control,for example, if the pointer locates the negative area, the motor would reverse. Generally the direction of motor is determined by the values...
View ArticleArray Interpolation
hello,everyone!I had asked a similar question in here http://forums.ni.com/t5/LabVIEW/Array-Interpolation/m-p/2819440#M825228,But now I want to know how this interpolation:In a [1] to insert a value,...
View Articleparallel for loops not working
Hi.I'm learning multi - thread programing. For start I use "parallel for loops" and I was suprised that is not working. One -thread loop work few times faster (depends on settings) than multi - thread....
View ArticleHow do I make labview quit completely when I close a project?
So in the latest verson of Labview that I have (2012) Labview doesn't quit when you close a project or standalone VI. Instead it opens up a Labview browser that shows recent projects, has links to...
View ArticleEliminating element in an array
I would like to eliminate the element in an array . Here say I want to eliminate all the cells with "0" or "Empty" and put only elements other than "0" or Empty into an new array. Without leaving any...
View ArticleI get HTTP 401 error even with correct id and pasword
Hi, I'd like to ask for some help on my problem. I wrote a simple code to communicate with a server using the http GET vi and initially I was able to receive correct response from the server, which...
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where am i going wrong?
hello guys!i'm trying to create a basic dice vi program that generates a random number between 1-6 when triggered,two of the criteria i tried to implement are:1.no zero2.the previous value must not be...
View ArticleLevenburg Marquardt optimization
Hi,I'm trying to fit real data with the Levenburg-Marquardt (L-M) VI to extract some material parameters from a model equation. I'm using the 'function is VI' instance of the L-M VI, where I think...
View ArticleSwitching between Arduino and LabVIEW
Hello everyone, I have a question about a project we have to do for school. We have to build a linefollowing robot, which also uses a RGB sensor and a distance sensor. We use the Arduino Uno for this...
View ArticleMeasure weight with Wii balance board and LAbview
Hello guys, i have a wii balance board and i connected the board to pc with bluesoiel, but i can't get a good VI for LAbview 2013 to take the data from board. I search all on the internet...
View Articleproblem high frequency sampling distorting audio with labview on c6713
Hello im trying to implement a graphic EQ on TI c6713 using labview. Im using labview 8.6 with target dsp project.I've managed to get filtered audio when im sampling at 8KHz with 5 channels but when im...
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