How to realtime retrieve or monitor measurements via Labview
Hi guys,I am trying to use Labview to realtime plot s-parameters of VNA measurements in my laptop, just like we can realtime plot signals measured by Oscilloscope. Does anyone try this before? I found...
View ArticleInternal route DO to ctr gate cDAQ
I have cDAQ-9188 and four DIO 9402.I organized DO signal special form. And I runed counter for measure external signal.But I need reset counter value every time when DO rise down.Is it posible organize...
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How to get the corresponding X-Axis value of the Detected Maximum Amplitude?
Hi, I am able to get the maximum amplitude from a data but I also want to get its corresponding X-Axis value. How do I do that? Here's a look at the reading in my Front Panel: Looking at the TDMS file...
View Articleredpitaya. error 63
I have been trying to connect my Redpitaya in order to do the example "Blink" from the RedPitaya library. However, when I run the example, every time I've tried it it has shown the same error on the...
View ArticleA problem from internal software in RT VI (Invoke node in stockFPGA)
Hi, everyone I'd like to know what this error means..I didn't change anything on FPGA and RT VIs supported from NI. Error message below An internal software error has occurred. Contact National...
View ArticleHow to accumulate acquired data to array for plotting a real time XY graph
I have acquired current and voltage values of which I'd like to plot XY graph. Problem is these are 1D waveform. 1. Please tell me how can I accumulate these value to array so I can have my XY plot.2....
View ArticleWhy closing type definition uses so much memory and is so slow
I sometimes load 4000-5000 VIs in memory. Memory usage when just loaded 536MB. If i open and close the front panel of a highly used Type Defintion, it takes around 30 seconds, the cpu usage goes to...
View Articlewhich algorithm is used for ocr in labview?
hello , i want to study the algorithm used behind ocr in labview?
View Articlelabview pid control ball balance
Hi everyone, The past couple weeks I've been working on a project and I've gotten lots fo great help for which I'm very appreciative for as a new user to LabVIEW and myRIO. I'm at the point now where...
View ArticleIs there a way to perform selection of area on two images. I want to select...
I am trying to crop two images to reduce their size and I want to crop the images to smaller size. As seen in the attached picture I have crop two images and then the region and area of cropped...
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DMA FIFO: RT Host reads really fast but still have element remaining
Hi All, I'm reading data from FPGA using DMA FIFO.In the FPGA side: 100 kHzIn the Host RT side: 1 MHz (I'm reading 10 times faster than the FPGA sending to make sure that I will not miss any data)I...
View ArticleCapital letter with string to byte array
New on Labview and Im stuck with figuring out how to determine whether the first character entered in the string is a capital letter between A-Z and Å Ä Ö. If first character Capital letter -> Led...
View ArticleHow do I track down where a specific enum is used in a case statement selector?
Hi all, I've got a fairly complex state machine simulation application that I'm adding a "mode" functionality to. At certain states in the application, instead of the default blocks of code being run,...
View ArticleContinuous screen capture in avi format
Hi, I need to continuously capture a test screen using Labview. The vi used is attached alongwith. However,my test is a webpage.So this is what I do. 1.Run the VI2.Select AVI File name3.Press "start...
View ArticleI have a function Z, dependent on two variables Xand Y, and i need to find...
I have a function Z, dependent on two variables Xand Y, and i need to find the values of X and Y for which Z is a minimum. Could anyone please provide me some optimization tool and clealy communicated...
View Articledll pointer memory allocation
Hi, I am very new to LabVIEW and I have been struggling with this third party provided dll for a quite long time. I am able to configure the device (though with error code showing insufficient...
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Set the limit of integration
Hi guys, I am new to labview. Currently I am using Labview 8.5 to connect with Tektronix TPS 2024B osciliscope for calculating power. I use the example code from Labview to start with. I integrate the...
View Articleestablishing remote connection with 3d objects
i created a 3d image using 3d objects in labview2013(32-bit) . when i establish a remote connection between 2 computers on internet such that vi on my pc can be remotely controlled on the other pc. i...
View ArticlePan and Zoom in Front Panel and Display Problem by using lot of images
i am using the application which should be displayed in different types of dsiplays such as lap, HD desktop and low resolution windows tab. i am facing the difficulties are application is not fully...
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Labview good practice and computation time
Hi guys!I have two question for labview users. I'm quite new to this language, I would like to know if design like in the picture attached (extensive use of disable diagram structure) are:a good...
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