How to sync AI and DI measurements (cDAQ)
Hi community, I have an NI 9174 cDAQ chassis with an AI and a DI module in it. I would like to acquire samples with both the modules at the same time (so they must be sync'ed) and represent the samples...
View Articlephase shift of a sine wave and a square wave
Hi, I would like to simply compute the phase shift between a sinusoidal waveform and a square one. Between two sin-s I can compute, but I have no idea how to do that with a square waveform.Thanks, Ussr123
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how to get multiple columns from a 2d array in a loop
I wanted to select several columns from a 2D array and form a new array which will be my final data.I have the program below. I would like to know if there is a smart way to do it using FOR loop.I've...
View ArticleHigh Speed Continuos Acquisition and Lock-in Détection- Producer/Consumer
I have implemented a simple producer consumer to acquire data at 4 MSPS (2 channel) using PCI 6110E and use NI-Lock-in detection. I always end up labview crashing due tomemory error. The queue size...
View Article"Normal" code and OOP code in the same project
Hi guys, Have large existing application written in ordinary dataflow code. Was thinking of adding a new module but writing it in OOP - in order to learn. Is it possible to add OOP code to existing...
View ArticleRight-click custom drop-down menu on graph loaded in sub-panel
Hi, Is it possible to have custom drop-down menu and process events for 3D graph (or any item) loaded in subpanel?? From what I'm experiencing it doesn't work. If it is possible, what settings need to...
View ArticleBest folder location(s) for application ini
Hi guys, I'm looking for the best location to save and operate on an application config file (i.e. ini file). On my Windows 8 machine I've noticed other applications have used many different folders to...
View ArticleVideo transport stream .ts file format
I would like to know if anyone played with .ts files...I have an .H264 stream from IP camera and I would like to save it as .ts file.Tools like VLC, GStreamer, FFMPEG and such are great, but I was...
View ArticleIs it possible to insert numerical indicators in 3D picture
Hello, Let's say I have a *.wrl file which contains a room drawing. Take into account that I know how manipulate the SceneObject and display it into 3D picture. Is it possible to position different...
View Articletriac firing and pulse generation
Hello, I would like to create activate a TRIAC and control its firing angle (e.g. dimmer). I work with a cDAQ 9178. I can generate a 50Hz train pulse with NI9472. Further I can monitor the zero...
View ArticleZooming to part of an intensity graph?
I have an intensity graph on which the y axis represents discrete channels. I want to be able to zoom the chart so that there are an integer number of channels displayed. The default behaviour seems to...
View ArticlesubVi problem mainVi doesn't work when you make a subVi
Hi dear,I am an engineering student and tomorrow is my last day for submission of project in labview. Actually when i try to create a sub vi the mainVi doesn't run and stop button inside the mainVi as...
View Articlepente réglable, rampe
Bonjour, Je suis plutot novice en labview, et j'ai un probleme. Pour résumer, au départ mon programme lit des données numériques du type : 10; 10; 10; 10; 155; 155; 155; 155; 420; 420; 420 420, toutes...
View ArticleHow to setting time for acquire data in Continuous Measurement and Logging...
Hello everyone!! I'm new.this is first time i use labview. I start my project by use Continuous Measurement and Logging Template for my project. My project is measurement value of gas sensor. and I...
View ArticleCombo Box Indicator: mouse wheel bug or feature?
Both ring indicator and slide indicator works fine even when the mouse wheel property is enabled.But user can change value of the Combo Box indicator at runtime.Shouldn't it be disabled, by default,...
View ArticleServo motor control using only LabView
Hello,Im a 2nd year physics student front The Netherlands.I've god an assignment at the moment where we have tot balance a ball on a plate. I created a VI that Can motiontrack a ball on a plate, but...
View ArticleReal Time Graph
Hello, I’m having trouble creating real time graphics. I mean “real time” as a graphic that add every second a new information. I hope someone can help me. I’m using LabVIEW 8.5. For every second my...
View ArticleLabVIEW for Linux: Create an app to run from a command line
I need to convert a Windows LabVIEW app to Linux. Before I buy a Linux version of LabVIEW, it is possible to build an application in Linux to run from a command line with options (say I want to load a...
View ArticleIs the (stock) content the same across the online/self-paced,...
Apologies if this isn't the most appropriate forum. My question is primarily about the LabVIEW Core 1 - Core 3 and TestStand 1 classes. Is the stock content the same in the 3 aforementioned formats?...
View ArticleAgilent 488.2 with Labview
I have an Agilent 82357B USB GPIB and have been supplied code that uses GPIB read and write functions. I have NI-MAX and Agilent Connection Expert setup correctly. The program does not error but the...
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