LabView

slight changes to vi needed
Hello,   Basically, I am a medical scientist with no background in computers or electronics and I have been given to .vi files which are used to measure and record small changes in voltage from a strain gauage and plot them as force (in dynes) against time. The problem is that these files were written years... 25 Jun 2008 06:46

How can I know a string only includes number?
Dear All,          How can I know a string only includes number(0,1,...9). Except to judge one character by one character.          And How to judge it is an integer not a decimal fraction.        &nbsp... 19 Jun 2008 13:42

Unix Console App: serial communication
Hello, I'm trying to communicate within my VI over RS-232 (loopback test). In a normal VI everything works fine, but when I'm building a Unix Console Application no data is beeing received. The number of bytes at the serial port is always zero, although data is beeing send (traced it with an oscilloscope).   Reg... 19 Jun 2008 07:31

array manupulation
I have an 1d array of 1500000(15 lakh) values(index).It has random values of 255.I need to place all the 255s at the multiples of 1500.Suppose in the input array i get 255 at 500th index and the 2nd at 1000th idex.I need to put the first 255 at 1st index and 2nd 255 at 1501 and replace the gap with 200.Please help ... 14 Jul 2008 10:35

change colour of led
how many colours canbe changed in 1 LED,i like to do 18 colours.Pls give suggestions   Thanks   ... 19 Jun 2008 08:33

Labview timer accuracy on Windows XP
Windows XP has a 1KHz timer. LabVIEW cannot bypass this clock&nbsp;under Windows. The following article explains what kind of accuracy you should expect. <a href="http://digital.ni.com/public.nsf/allkb/859DA6BB71B8A84F86256B3A0071141C?OpenDocument" target="_blank">http://digital.ni.com/public.nsf/allkb/859DA6BB71B8A84... 19 Jun 2008 07:31

Passing data between multiple Events
Hello!I try to learn and use Event structures in Labview. I want that Event react to a "SIM" button - to build array using "Signal Generation by Duration" block. It also checks which "RING" parameter for signal is switched (i.e. Signal or FFT, or Phase) and plots to Graph Signal or it's Spectral components (FFT, Phase)... 19 Jun 2008 06:30

Re : mode sans échec PXI 8186
Hi samosi To get a faster&nbsp;answer on this part of forum you should post in English. I advice to repost a new thread in English, or to post on the <a href="http://forums.ni.com/ni/board?board.id=4170" target="_blank">french forum</a>. Your PXI reboots at the startup or at another instant... Thanks to tell us ... 19 Jun 2008 06:30

Best OPC reading method
Hello, &nbsp; I am working with a WinCC OPC server i would like to read out the tags in Labview 8.5. This works fine, but i get some errors when my logging of the wincc opc tags is to fast . Whats the best way to read out as fast as possible and without errors about 50 tags? Some example code? &nbsp; at the moment ... 19 Jun 2008 09:34

dll - performance issue
Hello, I created a simple Vi to test the performance. It is very good - when I start the vi in LV both processors of my PC are used.When I create a dll to export this funtion it gets very slow. When I use the function in Visual C it uses only one processor and therefore takes more time.I attach a shot of the VI.C. ... 1 Jul 2008 06:10