Excessive Run-Time Delay
Folks, I need help to troubleshoot the excessive run delay with my application. Here is a description of what is going on. 1. I have an Analog Input voltage task consisting of 16 channels. 2. I have...
View ArticleAcquire and Displaying Video from D-Link DCS-930L
Hello! I want to know about acquiring video from the camera as I have mentioned in the topic, but I don,t have much experience about IMAQ related apps.The idea behind the whole concept is to display a...
View ArticleMulti Channel Data Acquisition using PXI-6143
Hi all I can acquire one channel data and am trying multi channel data acquisition using PXI-6143.And I made attached code.But in this code, the signal in ch1 is acquired and in ch2 is not acquired....
View Articlehow to select a region for analysis from a very big image
Hello everybody, The imgaes recorded are very big, with 1288*964 in scale. The regions I am interested is only a strip (say, (0, 400), (1288, 420) ) in the middle of the images. I need to anaylze the...
View ArticleMeasure amplitude continuously
Hi,I am acquiring a sine wave, square, triangle wave with different frequencies and amplitudes directly into labview showing the result in a waveform chart continuously. The thing is that i Want to...
View ArticleHow can I find the local maximum in each interval from a graph?
I have very less experience in labview and need some helps. I am currently using Labview 2013. I am analysing a very big data file. I want to find the values of the local maximum (the peak) in every...
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Code about getting clipboard formats.
Hello everyone, I have this subVI that I found somewhere in this forum.When you've found the BMP format, you pass the index of that element for the next subVI. But why do I need the ANSI text to be...
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Blood pressure data acquisition
Hello,I have some problems with blood pressure measuring.I have Blood Pressure Sensor connected to the SensorDAQ interface. I can see installed SensorDAQ in NI MAX, but i really dont know how to get...
View ArticleRing typedef in struct to DLL 32 64 bit bug?
Labview 2011, with all the service packs. The observed behaviour: when making a ring typedef in a struct, int32, and passing to DLL, the behaviour is as expected at32 bit version of Labview.When the...
View Articledisable property node problem
Hello everyone!I want to make a VI that the user won't fool around with the button.So I put in my event case "value change",a disable property node for 1sec (disable) and out of it,an enable.The...
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Copy content clipboard source to destination
Hello everyone, I am examining code that I found here somewhere on the forum. The code copies the content of the clipboard, which is in BMP, to convert it in usable image data. When I look in depth at...
View Articlecheck box
Hi, I have made a prog for data acquisition over ethernet and sending the same data over ethernet network to multiple IP's Now i want to add a check box to my program so that i will be able to select...
View ArticleDAbort 0xF89E2EC9 in drawmgr.cpp
I wrote a test program in LV that calls a thrid party device (PCI Connected). After my system loops for several days, we get this error:DAbort 0xF89E2EC9 in drawmgr.cpp Any help would be appreciated....
View Article70879003 Error Code: Unable to lock memory chunk.
Hi guys,I am trying to build a program to run on a touchscreen windows CE system and have tested the majority of the individual components to see that they work on the system and they all succeed,...
View ArticleVI run time duration
Hi friends, How should I go about capturing the test time duration ? Test time duration = start of VI run to the time I press stop in the VI I have a while loop that is constantly acquiring data. Thank...
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Unknown License File Error
I was just running a long test while trying to debug another strange error (link- possibly related?) and I got another error- firs a small dialog box that said "Unknown License Error" and then this one...
View ArticleConcatenating string and putting in shift register slows computer down
Hi all, I was trying to create a record of comms between LabVIEW and an Arduino by concatenating the current message with previous messages and putting it in a shift register. After a couple of hours...
View ArticleIntegration of Graphs
Dear guys, I will like to do a compilation of my results into only 1 graph instead of the current approach i am using by assigning one graph to each function. I was thinking is it possible to use the...
View ArticlePattern detection inside analog waveforms
Hello, I am using my smart meter to detect the energy usage of my house. Now I am interested in detecting single devices (e.g. fridge, oven, lighting) by analyzing the energy data of my house. Is there...
View ArticleDelay before sending signal
Hi guys, I need help on this urgently. :( See attached photo. I have a case structure with Boolean True/False of Time Elapsed attached to it. Once the time has elapsed, it will trigger the case...
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