pcan_usb.dll blocked
Hello, I use the PEAK USB CAN Dongle within Labview and recently found out, that the dongle is blocked as soon as a VI is loaded that uses it somewhere during run. I wrote VIs that open and close...
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boolean refnum in a cluster missing the point how to create it... :-(
Hello, It has been a while since I did Labview coding so there are some things I dont remember that good anymore. The question is simple I ques I want to make a button disabled when the program is...
View ArticleDAQ collecting finite samples despite being set to continuous acquisition mode
Hello, I've created a vi which reads data from one channel on my USB 6225 OEM device, displays the data to a chart, and writes the data to a .csv file using the write to spreadsheet file vi. The DAQ...
View ArticleTime based peak matching VI
(Using LabVIEW 2012) Hi all, I'm still fairly new to LV (and you will probably see evidence shortly), but I've been working on developing a VI for data acquisition of a gaussian shaped multiple channel...
View Articlewhat toolboxes do i need to run my code
hi is there any way to tell what toolboxes i need to run a script. The script is quite large with nested VIs running on an old version of labview (2007) with all the toolboxes installed. We are looking...
View Articlemultiple while loops write to file
hi!I have a VI which collects data from different sensors (TC and ultrasound flow meters) at different rates (every 1000 ms for TC and every 50ms for flow meters). I placed the TC code in a while loop...
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Control simulation loop vs. Traditional while loop
Dear I really confuse about the difference between control simulation loop and traditional while loop their is no an information about such difference in NI web or user guide The labview Control...
View Articleupload vi to arduino
Hi everyone. Please bear with my unknowledgable question. I uploaded the LIFA sketch to arduino at with help of VISA i was able to communicate labview with ardunino. I am able to turn "ON" and "OFF"...
View ArticleCurve Fitting
I am trying to use the non linear fit vi, and the fit is not even close. am I doing something wrong? Two questions. 1. When using static VI reference, is it possible to input a path from the block...
View ArticleHow can I show in the Waveform Graph Only a part of the scale
This is the first time I try to use Waveform Graph, since now I used Waveform Chart.The reason I moved to Graph is that I need to Cursors. I have 2 problemthe first: in chart the graph moved when I add...
View ArticleTrouble with network published shared variables
Greetings, I am having trouble getting the data over the network. I can see that the data is going correctly to the publisher SV but the client (read) variable has an empty string. I do not get...
View ArticlePXI 5422 Trigger output control
How can the trigger output of the Digital Data and Control be controlled?Can it produce either a trigger pulse or digital value change on one of the PFI outputs through software instead of just at the...
View Articledrag simultaneously multiple waveform chart scroll bar
I have multiple signal that come from the same source and I want to plot on separated waveform charts as on the example that i attached, So far all good, but I would like to be able to use a single...
View ArticleCalling stored procedures with parameters with the Database Connectivity Toolkit
Hi all, I am new to the forum and am having difficulty finding a solution to a particular problem I am having regarding using the LabVIEW Database Connectivity Toolkit on a project I am currently...
View ArticleDAQmx Task Recovery
Due to failed hard drive I need to migrate un-exported DAQmx tasks from one computer to another. Due to the same issue with hard drive I cannot open DAQmx and export these tasks - windows based system...
View Articleideal adc
Hi all, I'm trying to find some ideal ADC to run the simulation. I want to add jitter to the sample signal. However, the analog to digital.vi cannot use sample signal. It's helpful to tell me...
View ArticleNetwork Stream Max Buffer Size
Hello, I recall an AE on here once mentioning that network streams can exhibit problems if you set a buffer size greater than 9MB, but I haven't been able to find any concrete explanation of this. The...
View ArticleMultiple loops in event structure
Hello, I am trying to write a program that uses data from an overhead camera to drive a differentially steered robot around a track. I'm new to LabVIEW and I have a question with getting the event...
View ArticleXY graph reset
Hi, I have a problem with my and xy graph, the program recieve the data from excel files and it does several operations after that, I send the results to an xy graph, now I am trying to reset the...
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Determine the current page of pdf
In my VI I load a pdf into an activeX container. I would like to be able to progammatically determine which page is currently being viewed. I have looked throught the various property classes and...
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