Log an arbitrary waveform to TDMS
I'm trying to log an arbitrary waveform (one that is not time-based, e.g. x0 = -180, dx = 0.25) to a TDMS file. For some reason I can't figure out how to do this. It appears that I am only able to...
View ArticleFile transfer with Labview using a Ethernet connection
Hi, I want to send a .TXT file from my computer(using LabView) to my instrument(AWG5014C). The AWG5014C operating system is also Windows7. The computer and the instrument are connected through a LAN...
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Why do I get a class conflict between the Prepare SQL.vi and the Get Column...
I have done extensive programming with the SQL Toolkit with LabVIEW versions through 6.1. My customer now wants to upgrade to Windows 7, so I am trying to upgrade to LabVIEW 2009 (my latest purchased...
View Articlefinding highest amplitude from a signal
I have to find the highest amplitude value of my signal .This should be done automatically without using any cursors
View Articlehow to convert Unsigned 16-bit integer to string
Hi could you please let me know how can I convert Unsigned 16-bit integer ( series of 1 and 0s) to a 6 charachter string for example 00000001 to "000001" Thanks
View Articlelabview thread
Dear All,I want to know how labview form threads from a user created VI. I have a VI in which I have a while loop that contains a wait function and some other code both are running in parallel(data...
View ArticleBest way to measure signals with common ground: RSE, Differential, NRSE?
Hello! I have a setup with 5 pressure meters with 4-20mA outputs and a common ground. I am using 500 ohm resistors to convert the signals to 2-10V -signals and I am then using a NI 6353 to measure...
View ArticleFPGA race conditions/static hazards
Hi, I'm fresh off a LabVIEW FPGA course and feel I have a decent grasp of it, however a colleague on a project we are starting is pushing me for some answers before I have had a chance to 'play' with...
View ArticleRamp pattern used in voltage sweep
Hi there!Currently using Labview 2012 sp1 and i'm using two pieces of equipment, a Keithley 2401 source meter and a luminance meter. I want to do a voltage sweep from say 0-10V every 0.5V, then read...
View ArticleFunctional Global Varibale is reentrant or not
Please guide me, Functional global varible is reentrant or not.
View Articlefpga buck converter control with data acquisition
I have a setup for a buck converter control scheme. I have one main issue and one side issue. The main thing I'm trying to accomplish is successful data acquisition. The setup I have currently is kind...
View ArticleHow to pass string from labview to c#
HiI have used .net assembly to use a dll in c#.The communication part is fine and I can pass the parameters from c# to labview but one of the functions should read back a string from labview...
View Articlenumeric control, group of input values
Hi, I want to reduce the input values that a user can set in a numeric control, I know I can configure it to only accept a concrete range but in my case want to only accept a group of values like...
View Articlecompare memory arrays with highliting
hi, I have two 8bit memory arrays 128 bytes long.. One is Flash based that is fixed and the other is User RAM that can be changed. I was looking to compare the memory array's and was hoping to highlite...
View ArticleHow to convert string to 0 and 1
HiHow can I convert this string "11110000" to this number (16bit or 8 bit) 11110000. Could you please help me with this? Thanks?
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controlling fpga digital output node from realtime boolean
I have a system where I want to turn on / off a digital output running on the FPGA. Once I set the boolean on my realtime side (which turns on the FPGA output), I see the output turn on the CRIO,...
View ArticleFPGA: Modify Sine Wave Generator
The Sine Wave Generator in the FPGA palette does what I need it to do except it can only do "cosine" output, which is 90 degrees apart. I need 120 degrees. Not to be deterred, I opened the front panel...
View ArticleProgrammatically initiate cursor drag
Using a Mouse-Down Event on a graph with no cursor , you create a new cursor at that location. Since you want to complete the dragging action of the new cursor in that Mouse-Down Event instance, how...
View ArticleFind:Callers
Does anyone have an example of programmatically utilizing the Find:Callers under TargetItem to programmatically be able to get a list of items in a Project Instance that call a referenced item? i.e....
View ArticleLabView access to third party .dll files?
I am trying to create a GUI interface to multiple software systems running on a windows 7 machine. The objective is to have one LabView user interface that can control three different non LabView...
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