number of seconds since midnight
I am trying to duplicate VB.NET's Microsoft.VisualBasic.DateAndTime.Timer which returns the number of seconds elapsed since midnight. LabVIEW's timestamp gives number of seconds since midnight of...
View ArticleNeed advice on using LabView for measuring airflow to volume project
So I have a MEMs bidirectional airflow sensor (still need to decide on one and buy it) and i am i have been told that with lab view i can find the volume based on the user's inhale/exhale data. I am...
View ArticleProperty Node performace with Defer Panel Update ?
Does Defer Panel Update work to improve Property Node performance? I've tested it and the performance is the same. See code...
View ArticleInterfacing a PT20XNDIZCAM with National Instruments hardware and LabVIEW
To Whom it May Concern, A customer of mine. We are interested in purchasing a camera like your PT20XNDIZCAM. I would like to integrate the operation of this camera into a National Instruments PXI based...
View ArticleCounting up while button is pressed, down when not
The goal of the code I am writing is to ramp up voltage by 100V/s while a button in "on," up to a certain value selected by the user. Then the code will wait (I just have it counting seconds) until the...
View Articlenumeric control locks up
I have I VI that I am in the process of creating. I just had a problem that I don't know how to fix. When the VI is running, if I change a numeric control value by typing in new value and pressing,...
View Article请问LABVIEW2019如何添加PCIr-7482R硬件目标呢？
请问LABVIEW2019如何添加PCIr-7482R硬件目标呢？ 是安装DAQmx驱动吗？实验室的计算机已经安装成功驱动。 还是要安装R系列的驱动呢？
View ArticleREQUEST FOR ASSISTANCE WITH SINE PWM GENERATION FOR THREE-PHASE INVERTER
Dear Community members, Greetings! Kindly help us with the spwm vi (attached). The modulation index (MI) in the VI is not affecting the inverter rms voltage irrespective of its changes.Please find the...
View ArticleDAQmx Task With No Channels Reading Ghost Data
I have configured a set of tasks in NI MAX for analog and digital input and outputs (AI, AO, DI, DO). AO, DI, and DO all have channels assigned from within NI MAX. AI, however, has no channels...
View Articlesplitting camera image into two pictures with different center
I am working on a project that uses a camera and shows the image on the front panel. Both images are from the same camera, but I need to show different areas of the picture in each image. The problem...
View ArticleCould you tell me how to ask a question in Labview?
Where does Ask a question link comes in NI community for labview??
View ArticleRe: How can I use more than 17 inputs using MS Office Report express vi?
hello mr darren , can you give me an example standard report generation with 1 or 2 input for template , so i can modify by my self thanks
View ArticleERROR when I set the min record length of niScope Configure Horizontal Timing...
Hello,The sampling rate of the acquisition card is 2M.There will be errors when I set the 'min record length' of niScope Configure Horizontal Timing to 20000.I want to know how to solve it. THANK YOU!
View Article3 POSITION SWITCH QWERY
I am attaching a 3 position switch here. I need the sitch to go up when dragged up or clicked up and go down when dragged down or clicked down. But it only goes up when the button is clicked. How to do...
View ArticleLabVIEW Base add-on costs
Hello. I have a really simple question - where can I find the costs for the add-ones for LabVIEW Base and LabVIEW Full version for comparison? I want to see the costs for Build executables, Design...
View ArticlePXImc support for LV2019
We want to use PXImc modules in our PXI setup but when I try to install the PXImc drivers from the website or from the NI package manager I only see the version for LV2018. We tried copying the pximc...
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Labview vision Extract Contour
Hi to all. I am using NI vision module to find a curve on picture. But in a real conditions the curve has gaps. In "IMAQ Extract Contour VI" help I saw "Match Constraints" options, wich allow to...
View ArticleState change time count
I am developing a program that by changing the state shows me the time in seconds in the state "1" and the time in the state "0", ie the sum of the times of the two states is the value of the period. I...
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