Display value
Hello, Im kind of new to LabView. Right now I have a chart as an output. However, I have to read out values while I am doing my experiment. I need to read out the values out of the graph during the...
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read from spreadsheet: a way to automatically continue if the file is...
Hi,I'm using the "read from spreadsheet file.vi" to read in data from a file that may or may not be present. The data isn't required - it's optional data; nice to have but not everybody will use it....
View Articleswitch problem
Hi, I made a program for my system, and inside that i put a switch inside a timed Loop, It just don't seem to work on that system but work pretty fine on a simple system ! Could You just tell me what...
View ArticleTDMS streaming problems
Hi forum, i have problems streaming a lot of data to a file. I am using write to measurment file with tdms in the while loop but my pc is to slow to do this streaming (100Ks/s for 10s). For optimizing...
View ArticleTCP Read doesn't work sometimes
Hi Everyone, I have a problem where my build .exe doesn't work on some computers but works fine on others. it uses a tcp connection to grab data off a custom server program which packages bluetooth...
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Analog Output: Controlling Voltages
Hello all, I am trying to create analog output from my NI 4461 Analog I/O card and change the voltage for each iteration of my loop. I initially thought I would use the DAQmx commands to create the...
View ArticleAdd to new values to an existing 1D array in a while loop
Hello,I have a while loop that collects data from a DAQ Assistant and stores it into a 1D array. The number of loops is set by the user. I am trying to average the data from each iteration of the loop....
View ArticleAre LabVIEW OOP "Helpers" modifiable?
I am finally "byting the bullet" and attempting to refactor one of my Projects to use LabVIEW OOP (it seems to me ideally suited for OOP-ifying). But I have a few "picky issues". I don't always like...
View ArticleCall Function Library Node used to control external hardware??
I'm currently trying to figure out how a VI sent as a software package from a company is trying to communicate with the company's camera. We have an Andor Zyla sCMOS camera that came with a software...
View ArticleString to Cluster to 1D Array?
Ok I really dont know why im having issues with this (maybe cuz it's friday but still) but i have an indicator on my FP that is a 1-D Array of 7 Clusters. Each of the Clusters Currently only contains 1...
View ArticleKeithley 2400 -410/-420 error, GPIB
Hi, The following error codes are being displayed on my Keithley 2400 when running a VI that I am working on: -410, "Query INTERRUPTED"-420, "Query UNTERMINATED" When running my VI with highlighted...
View ArticleHow do you calculate accumulated displacement?
Hello! I would like to calculate the amount of displacment accumulated during a laboratory test using LVDT positions. Acquiring the signal and determining the position is no problem. However, I cannot...
View ArticleProblem With Resistance - Continuous Input Example on Labview example page
Hello! I need to run this exact code for a continuous acquisition of resistance on sensors I am using at school. Once I select the dmm channel I get this error message: Error -200077 occurred at...
View ArticleLabVIEW 2014 Installation Virus Warnings
I have downloaded the LV2014 installation package from the NI website. During installation, avast has flagged two files as suspicious (Win32:Evo-gen [Susp]). They are: uspEasy.dllniauth.dll I suspect...
View Articlesource voltage measure current using Keithley 2400
HiHow would you make a simple automation test for a beginner to sourcing voltage of -50v to 2v in steep of .5v and measuring current with compliance current of less than 1A ( or 100mA) using Keithley...
View ArticleUsing global variables instead of Functional glabal
Hi All , using gloabal varialbe instead of Funcational global in RT Vi , is this the correct method. By creating functional global in the RT is er any draw back .
View ArticleHow to pause and resume the loop which loop needs to contineously runs?
I have a application in that one loop runs continuously, when I call that loop it should pause the iteration and when I call that loop it should resume the iteration. How can Implement??Can any one...
View ArticleWriting and updating data to EXCEL........!!
Hi everyone...!!I think this is a simple problem but am not getting idea of that..!! Here am with a problem appending data to excel from top to bottom.I have a data (string) which should be updated in...
View Articlehow to make a xnode?
Hallo,I am trying to get some knowledege about Xnode, but i feel difficulty to understand it. Attached is a summation node which i tried to make xnode similar to it. This has to be multiple selectable...
View ArticleStructured Error Handler
Two years ago, while attending an NI Seminar on Object-Oriented Programming, I came across a reference to a "package" called the Structured Error Handler (SEH) that the example code used. By "package"...
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