Unload DLL freeze my application
I made an application with LabVIEW 64bits that use external DLL. I use this technique to load and unload the DLL from memory :...
View ArticleConectar Electrocardiograma CONTEC
Hola soy nuevo en el foro y estoy aprendiendo a usar labview Quiero conectar un electrocardiografo marca CONTEC...
View ArticleHow do I modify variables in a fitting model?
I am using the constrained non-linear curve fit VI to fit a non-linear curve and I am using it in the mode where you supply the reference to the VI to do the fitting model. (The dark teal wire wired to...
View ArticleNI9234 sampling rate - LabVIEW FPGA
Hey guys, I have very simple question. I am checking a sample code in labview examples for NI 9234. what is the difference between data rate and samples per channels? If we read with maximum data rate...
View ArticleHow do I get some NI phone support his holiday weekend?
So it's almost a three day weekend here in the states (Independence Day) - I've got a project that I'm running a few days behind on, so I'm thinking "I've got a lot of work to do, I might put in a few...
View Articleadditional installer page missing
Hello, after soewhat of hiatus with Labview and a major SDD crash a few months ago, I reinstalled my Labview 2010 Professional Developments system. Trying to build an executable is possible but...
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TCP/IP Server-Client error
Hi everybody,I'm studying about TCP / IP and make an example but it is not yet operational. Therefore I'm looking forward to receiving the help.Thank you very much.Fig.1: ServerFig.1: Client
View ArticlePID setting recommendations (and LabView tips)
Hi guys.I'm measuring resistance of a sample by varying temperature from 300K to 2.6K in intervals of 0.5K. Temperature is adjusted using a Sumitomo CKW-21 Helium Compressor Unit and a Lakeshore 335...
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SMTP Email Error 54
Hi all, Why does SMTP Email vi does NOT work? I searched the forums but could not find the answer. I am using LabVIEW 11 development suite on Windows 7. Here is what I tried: 1. I put in the IP...
View ArticleNoise data Filtering
Hello all, Please help me if anyone know about this. I want to filter the Noise data based on Cutoff freq. after Filter I want to validate if data is properly filtered/not. In my sample VI, I’m using...
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Bug with Cluster having Combo box and string
To reproduce the bug please do the following. Create a Cluster containing a combo box and a string control.Enter some string selection values in the Combo box(Example: One, Two, Three)Make the cluster...
View Articlewhy does Labview take 8 bits to represent a Boolean?
Since it can take only one of two values, can it not be represented by a bit?
View ArticleCalculating time interval between every 2 pulses
Hi, I am using a NI USB-6212 to carry out the test. 1. I am trying to calculate RPM of a wind turbine by using a rpm sensor that will on/off a LED whenever something passes through it. When a signal of...
View ArticleUnit Test Framework: inlined subVI test coverage
Hi, does anybody know if the Unit Test Framework considers inlined subVIs recursively when measuring coverage? Consider following example: f(a:int){ g();} g(){ if (false) return -1; else return 0;}...
View ArticleDownload directory using Asynchronous Get (WebDav)
Hello I'm currently logging to 3 different TDMS files that i place in folders named after the time the logs was created. Over time i get several of these folders on my rt target and i want to download...
View Articlea dll for loading reentrant vi for labview v7 and v861
This is a stdcall dll make by me, and it can load reentrant vi from other language (c/c++...) without install a full-labview(only need labview run-time). There are two editions, one for lv7 and one for...
View ArticleError: Access violation (0xC0000005) at EIP=0x0077c03d4e
Hi, I'm running LabVIEW 2012 (64bits) on a Windows 7 (64bits) computer. When I launch the .EXE I receive a report of Access Violation Exception 0xC0000005 at location 0x0077c03d4eI'm calling an...
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graphic on cluster (4 élements)
Hello, i'm just a problem to make a graphic on a cluster with just 4 numeric element, i want to plot 3 curves on one graphic (X, Y1, Y2, Y3) but it's impossible to make that. Somebody have the...
View ArticleLVOOP and incremental data changes via Inheritance - I think I'm way off base...
I may be going way down the wrong track with this idea but I have an idea I would like to implement in LabVIEW using LVOOP and I currently don't see how this can or should be done or what a better...
View ArticleFrequency spectrum analyzer
Hello,I want to make a fm frequency analyzer which can analyze a range of frequency and sort out the maximum energy frequency. I am already done with a signal receiver. How can I extend it so that it...
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