two digital triggers to stop/start data acquisition
hello,i am using NI 9205 for data acquisition,but i have no external hardware trigger source, und i tried to use two digitital signal at rising edge for triggering stop/start sine signalgenerator,it...
View ArticleCustom type of file requester
Okay, here's one for the the LabVIEW gurus.... I've got an app where I'm selecting a bunch of files in file requester- now I want to display a requester showing the files that have been previously...
View ArticlePhoton Counting on 6321
I am attempting to count photons from 2 photomultiplier tubes (PMT) using Labview. I currently have written a program which will count from a single PMT. I was wondering if the manor in which I wrote...
View ArticleInaccurate output from analog outputs of NI PXI-6221
I'm using an NI PXI-6221 to output 1.5v from the analog outputs. For the purposes of the test the voltage needs to be accurate.According to the spec the voltage on the outputs should be withint 3...
View ArticleClik here to view.
Error when dynamically deploying library
The code below works when I deploy libraries containing most network shared variables. However, If one of the shared variables is bound to an I\O variable the code fails to deploy and returns the...
View Articleslow closing labview when connected to the network
It takes about 40 seconds for the labview executable to disappear from the Windows 7 task-bar ( Labview 2010 ) when it is connceted to the network. It only takes a few seconds when there is no network...
View ArticleBuild Specifications - REST option not available
I am having trouble with creating a RESTful web service because the option is not available in my version of LabVIEW. I am following this tuturial:...
View ArticleClik here to view.
Initializing a test cycle after vi execution has begun.
Hello, I need some help determining how to initialize a test cycle after vi execution has begun. I have four set points that need to be reached (at 25C, 235C, 275C, and 325C) yet the test cycle may...
View ArticleString to 1 and 0
Hi,, how can I convert a string constant containing 1 and 0 to 1 and zerofor example if the string is 1010000 then the it should be converted to 1010000 in (0,1) format. Somthing like Boolean array to...
View ArticleDisabling Multi-Threading IP block
Hello,I'm trying to generate support files for an IP Integration Node and I always get this error:FATAL_ERROR:Simulator:Fuse.cpp:209:1.129Then I wouldtry disabling the Multi-Threading in the compiler,...
View ArticleInstalling LabView 8.2 runtime engine on Windows 7 64-bit
We have a product built on LabView 8.2For a couple of years, we have been distributing this product on Windows 7 64-bit systems with no trouble at all. Today, we received a customer complaint...
View ArticleRevised "Generate Excel Report" Example
I recently answered a question from a Forum user about an error encountered when trying to generate an Excel spreadsheet with the Report Generation Toolkit. I thought that the example code he was...
View ArticleRotation of a 3D object
Hi I am using LV 2013. I want to perform 1 deg rotation of a 3D object 360 times with resp to x & y axis. For each 1 deg rotn of object wrt x axis, i need to perform 360 rotations of rotated object...
View ArticleRT - How can I make data transfer to host faster?
Hi I have created a program that acquires data on FPGA then transfers them to RT so RT can send them up to the windows host once UI is connected.The program is based on message type structure as in...
View ArticleCalibration executive
Since there isn't a separate board for Calibration Executive, I am starting here. I have version 3.2 and it worked great on the machine when it had Windows XP SP3. My employer has decided that all...
View ArticleTime step for frequency measurement
I have to capture sound pressure from a microphone using one channel of USB-4431 and frequency (counter input) from a mass flow meter using one channel of USB-6341. Both the devices are connected to a...
View ArticleStoring Data from Serial Connection
Hello All, I am fairly new to LabView, I am trying to store and anaylze values from a non-Labview hardware via an rs-232 connection. I have two devices on COM1 and COM2 ports. COM2 sends a value which...
View Articlelabview vi can run at lower frequency but not high frequency
Hello, in the VI I can specify the frequency lower than 1000hz. But if the frequency is higher than 1000hz, the error -805 will appear and the vi won't work normally.Could anybody help me to fix this...
View ArticleExtra \00 in HX string to ASCII conversion
I am working on a project to convert HEX values to ASCII. Instead of getting in over my head, I figured I'd play and get myself familiar with Hex conversions. I googled "hex to ascii labview" and I...
View ArticleConstant output in physical channel causing headache
Hi,I've been using a microscope who runs on LabView for some time now and I recently installed a subVI to control a Sutter ROE-200 moving platform. Since then, I've noticed a constant signal in every...
View Article