comparing 2d array of string with constant
I have a VI which is using activex to read from a spreadsheet. I have am reading a 1 column by 13 row array from the spreadsheet, the data of which is either TRUE or FALSE for any of the elements. I...
View ArticleHelp with using "Save to Series of Files (multiple files)"
Hello, My name is Daniel R. I am a student doing undergraduate research and was put on a project using LabView (having no previous experience using Labview).I am using LabView 2013 Student Edition...
View ArticleUsing VISA Read Function to read bytes on the serial port
Hello, I am reading data byets coming to my COM port using VISA read function. Is it necessary that my LabVIEW code always should be in receving mode first and then only I can transmit the data? I am...
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Thanks for Existing!
I used LabView for the first time 3 months ago. I came from a C++ background so I had the programing concepts but was often confused by the new environment. The community here was both an excelent...
View Articleslow string
Hello. I want to take a file and remove every line that starts with an '!' and save the file to a single string. After some hours of work and a lot of googling around, I finally implemented something...
View ArticleTECAN XLP cavro pump
Is anyone using Labview to communicate with a TECAN XLP 6000 cavro pumps? Having an issue with receiving error codes back from the cavro pump. Sending string commands is no problem and I can send...
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Forum Question
I'm new here and couldn't find any info on what the thing shown below is, next to my username. I checked the forum help and tried searching but with no luck.
View ArticleProgramitically Reinitialize Specific Front Panel Controls To Default Values
Hi everyone, I know I can re-initialize "all" controls to their default values using an Invoke Mode. How do I re-initialize only specific controls I want to re-initialize to their default value?...
View ArticleDSP programming on FPGA
Hi All, I am working with an NI PXIe - 1073 system and a NI PXI-7851r board. This board has a FPGA on it.Is there a way to implement some programming on this board, that is usually done on DSP side?...
View ArticleSpectral measurement
Good morning I am working on an application with labview interface for arduino that uses Spectral measurements to plot a graph Frequency x Amplitude of a vibration system. However, the graph is not...
View ArticleInstall Builder error
Error message from Install BuildLabView 2014 on Windows 7 What might this mean? Call Library Function Node in...
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Movement, Measurement and time between them
Hello friends, I have a doubt with my program. I've made a statemachine (using Lab 9.0, no possible to use a new one) to move two motors and make a measurement (IV curve). Motors move and measurement...
View ArticleWaveform chart, plot and Dynamics Data and double data
Hello everyone ! I would like to get separate plots on the same waveform chart.Actually, I am simulating 4 signals (but in reality, it would be signal from sensors) and I would like to get 4 plots.In...
View ArticleWriting Values To Front Panel Controls (Most Efficient Method)
Hi everyone, I've always wondered which is the best way to write a value programitcally to a front panel control. In the past I have used local variables but I know this can also be done with property...
View Articlehow to add Additive White Gaussian Noise (AWGN) in signal.
Can anybody guide me how to add Additive White Gaussian Noise (AWGN) to the signal. I want to add AWGN to ModulatedSig (in the attached VI) and then give AWGN to received signal of demodulation...
View ArticleNI-FGEN Arb Express Responsiveness
Hi, I am trying to play around with the NI-FGEN Arb Express VI (with NI PXI-5421) in order to learn how to create my own VI to generate arbitrary pulses. However, I am finding that when I click "Run"...
View ArticleControl Several Swiches
Hello everyone, I am trying to write a piece of code that will allow me to control switches. I am testing some layer sum boards containing 16 channels (16 inputs and 16 outputs). I want to send a...
View ArticleHelp on measuring and labelling data from 4 different probes through LCR...
CONDITION:Need to measure impedance (Z,theta) from 4 different probes using Agilent LCR E4980A meter through labviewHere is how this is done. Using two different vi's.1-Switching vi-which is measuring...
View ArticleDo Controls/Indicators in all display tabs get updated even if not visible?
I have a pretty simple Labview VI that I need to run at a 10 ms loop. Currently, I can only get it to run at 17 ms. It has a RS422 that has to send and receive a message every 10 ms. I have a lot of...
View Articlespeed of loading code in labview
Hi all,I have one code in labview that is a little complicated and it controls my camera. For example, it has more than 10 loops.Is there anybody knows about how long does it take to loading the...
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