check if real-time controller is connected to a PC
I have some applications that run on a PC that call (deploy and run) a VI on a PXI target from the .lvproj. However, I share the PXI with others (who use the same method). If they are using it or if...
View ArticleInteger part only
Hi everybody, I'm a brand new user of Labview (v 2009). I try to save some data from my electrometer (Keithley 617) in an array (time and electric current). And it works, I can see these data in a text...
View ArticleHelp reading raw image file. Close to being able to read mp4 and more into...
Hi all... So finally might have a crude solution to be able to read in most videos if i can get this working (mp4 etc... ). I plan on sharing everything here if i can get it working, but I am stuck at...
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Connection Error NI Data dashboard android app
I have made a project and vi on it.I made a shared variable and deployed it successfully.I am interested to pass that variable through my wireless router to android app (NI data dashboard).I am unable...
View ArticleVisa read, unwanted additional characters
Goodmorning labview experts, I'm trying to connect labview to a RS 232 port belonging to a lathe. I'm trying to receive and read in labview a string that the lathe should send me. Basically I'm using...
View ArticleFGV in a packed library doesn't seem to share data
Hi, I've got a main interface VI displaying in a subpanel the front panel of VIs stored in packed libraries. When initializing the main interface VI, I create a user event and store its reference in an...
View ArticleIdeas to release the memory associated with Dynamically Instanciated Objects
Hi All, Any time a LVOOP class constant is executed on a LV diagram memory is allocated for that instance. If I have code that instanciated a bunch of instances I have to be careful how I structure my...
View ArticleSetting the digits of precision for TDMS logging
I can't seem to figure out a way to set the digits of precision when logging data to a TDMS file. I'm hopping to be able to reduce the file size by doing this. Any suggestions? Thanks, Cosimo
View Articledata type errors
I am getting this error when I connect History Data Property Node to mean: " These cannot be wired together because their data types (numeric, string, array, cluster, etc.) do not match. Show the...
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Formula Node output display bug
Here it is: If I try to move the output sideways: You can fix this problem by retyping the output variable names, for whatever reason.Oh well...
View Articlesequential while loops with same data input
I'm super new to LabView and programming in general. I am creating a VI that displays a plot (plot 1) with a constant value as green until the Sine wave input (displayed as plot 0) equals a certain...
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PID motor control
VTrying to implement system similar to https://decibel.ni.com/content/docs/DOC-16983 with a9 volt DC motor max speed 350 rpm The problem that I am facing in here is that1.>when i set a desired speed...
View ArticleWhy use LabVIEW on Linux?
With Windows XP no longer supported many companies need to upgrade to Windows 7. I personally dropped my XP machine for Linux OpenSUSE. To my surprise the transition was farily easy. I am curious to...
View Articlewhere to put data referenced via a global DVR
I have a large complicated cluster, and a very large array, that are accessed by nearly every VI/SubVI in my project. I do NOT want to wire them in and out of each routine; I'd prefer them to be...
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Log temperature data to Excel every 4 hours
Another seemingly simple question, I have four thermal couples attached to a NI 9211 4ch Module. I would like to be able to monitor the temperature real time on the front panel and then every 4 hours...
View ArticleAgilent 24401 Serial Communication Problem with setting remote control Error...
I'm writing a Labview 2013 (SP1) vi to read single voltage values from an Agilent 34401A DMM within a time-delayed while loop and am having problems completing the 34401 Intialization vi that comes...
View ArticleCreating Random Colors
Just out of curiosity - I'm trying to make a string display random colors. My understanding is text.textcolor accepts a hex number in the format "RRGGBB". I"m doing the following, but I'm not sure that...
View ArticleSuper Quick Drop Fails Me
I've seen this happen many times, on multiple versions of LabVIEW, but I have yet to capture this issue on film until now. Below is a video of LabVIEW 2013 SP1, where I am in a new blank VI. No other...
View ArticleProblems in using IVI instrument drivers
Hi all, I have created seperate IVI instrument vi's for each functionality e.g. PSUinit.vi for initialization, PSUsetVoltage.vi for setting the voltage in power supply etc. But whenever i try to run...
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