Statistics Express VI - help
Under the help option in the statistica express VI this is given to explain the time between samples (dt) Time between samples (dt)—Bases the calculation on the time between samples in SignalsMy...
View ArticleProgramming the game "Craps" in Labview
I've been given two weeks on this project. Time is running short, and given that I'm not a natural with LabVIEW programming, it still hasn't been enough time for me to make significant progress. The...
View Articlechart x values normalized
Can I normalize the chart x axis range from 0 to 100 regardless of the number of samples while the program is running ? I think it needs to be done dynamically each time a point of data after 100 is...
View ArticleY-axis Units of Power Spectrum
Hello I am acquiring acceleration from an IEPE accelerometer. Units of the y-axis of the time domain signal are in (g). The time domain signal is then fed into the Spectral Measurements Express VI to...
View Articlewaspmote Labview graficando valores de sensores
Hola que tal espero puedan ayudarme con mi duda, estoy mandando datos de 4 sensores atraves de VISA obtengo un frame de datos el cual quiero separar para poder graficar los 4 sensores separando cada...
View ArticleConnect labview with proteus
How to connect labview to proteus in order to send commands to AVR micro controller, is there any helpful link or source code ? I heard about VISA can you help me with some example or source code ?
View ArticleShared network variables RT FIFO versus buffering
Hello, can anybody tell me why I should use network shared variables with buffering and RT FIFO (http://www.ni.com/white-paper/4679/en/)? Only buffering: ok (reader can catch up + I can use fancy...
View ArticleInstall LabVIEW 2013 on Scientific Linux 6.4
Has anyone successfully installed on SL6.4? I install and no response - try to start using icon but no errors or slash screens. Did put the 32 libc2 on the machine. It asked for kernel sources, but for...
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Photoresistor Voltage Measurement
Hello,I'm building a line-following robot controlled by a myDAQ. To line follow, I'm using two 20K Ohm resistors and two photoresistors to build the diagram described...
View ArticleCheck to See if an Active Refnum Exists
Hey All, Gumby question today. I want have written code that opens a data log file when the "Log" button is clicked. Now I want to add code that, under certain circumstances, checks to see if a data...
View Articleaquire sound and test it
hey guys,so i was trying to implement my labview software in order to be able to get an external sound ( using speaker for example )and using this sound, i want to know its frequency, in order to take...
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Distributed Dystem Manager: Single TC channel in 16 channel module: "Unknown...
LV2013cRIO-9074NI 9213 TC Module A single channel (TC7) reports no data....I swapped the TC Module - no change.Scan Engine owned module. Anyone ever see this?
View Articlepost
Hi, I am a beginner.I would like to know how to generate a sine wave from phase information from a signal?The phase output from a filter in my program outputs very large numbers....I want to use this...
View ArticleLabview drawing outlines of shapes
im trying to make a program that will animate a smooth motion of a small marker around a rectangle and a triangle and display it on a graph. any ideas on how i would do that?
View Articlemoving average for 10 values from an array
Hi, I have to build an application wherein I continuosly get a values stored in an array of a fixed size 10. For every new time interval the last value is deleted and new value is added to the array.At...
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System missing when browsing for variables
Hello, I can't find a Wireless Sensors Network gateway under ni.var.psp anymore. It was missing in NI Distributed System Manager as well. I added it back through "Add System to My Systems". But I still...
View Articledaq assistant multiple analog inputs onto different graphs
I am having trouble viewing data coming out of a single daq assistant with mutiple analog inputs. I am using 4 different waveform graphs to show 4 different analog voltages coming in. Im using a signal...
View ArticleAcquire and generate a signal
Dear friends, Actually, i am trying to do open loop control system where I can actuate and measure the displacment at the same time. However, my problem is about the lag or the gab time between...
View Articlecomo integrar varios vi
Buenas tardes, tengo una duda y es como integrar en un sólo VI , varios subvi, la cuestión es que quiero integrar 3 VI, dos utilizan una tarjeta adquisidora la PCI 6221, un VI se encarga de medir la...
View ArticleFilter error message
I'm having a problem with a badpass filter saying Fc>0.5 fs or something similar it's come up before for other people and they said to do the sampleing rate and set that as the dt for the wave so i...
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