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Active/Enabled Channel Control
My question is twofold. First is there a way to tie in the channel number of an active channel (per the DAQmx Assistant or enabled with a boolean button) back to a "convert from Dynamic data" so that I...
View Article"One header only" for TDMS writes?
I will be writing some labview code to produce TDMS files where there will be frequent writes of small amounts of data of long periods of time. After doing some research on TDMS files, I am concerned...
View ArticleChange header information when saving sNp files from Agilent PNAs
I would like to add additional information to the header files of the sNp files. An extra line or two to add specific testing information would be ideal. Is this possible? Currently I'm using the...
View ArticleFPGA Table Based AO
I have a Windows based PC and an R series FPGA card. I would like to be able for my host PC to send to the FPGA a table of times and values, and then have the FPGA play them, interpolating the voltage...
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Pulse duration in labview FPGA
Dear can one help to built a lv FPGA to measure the pulse duration my first start lv VI is shown below for Spartan 3E kit the but its fail to workis thei rany modify make it work?? for the case...
View ArticlecRIO 9871 rs422 Module port read problem
Hi,I have problems with the NI 9871 RS422 serial module. There is a device which has some switches on itself. device sends switches states information as a 72 byte hex character using RS422 protocol...
View ArticleAdditional Installers Application Builder
Sorry if this has been asked before, but I can not seem to find the answer on the boards. I am making a simple application along with an installer; the installer includes NI-VISA and 488.2. My...
View ArticleError 6 occurred at Open/Create/Replace File in Write Spreadsheet...
Hi I'm getting the above error when attempting to get a file path control to write to a spreadsheet vi? The spreadsheet is opened in open office but saved as a .xls in the documents folder. The...
View Articlewire conflict
Hello,I am trying to set the value of numeric using property node but receive wire conflict error. The data type passed from the class is also DBL and it is a indicator which is wired out. What is...
View Articlechero
Dear Member, I've a question about the scheduler in LabView. I can use a time schedule loop and can use a priority to schedule a loop (just a for loop). Is it possible someone can tell me how the...
View ArticleProblem with sending data from labview to arduino
Hi guys.my english it's not very good,sorry about that.I programing arduino uno with this code and I sending data with labview(2011) to arduino but itdoes notwork well.This means when labview is...
View Articleis it worth it to make custom icons for a custom control/indicator?
I was making custom icons (well not very custom, but still at least somet ext) for controls and indicators, when I realized that the only times you see them are when you open the control, itself, ot if...
View ArticleScan from string and extract string between delimiter
Hello, Basic questions. Is it possible with the scan from string regular expression to extract the string that are within the specified delimiters. Here is an example: \\Name of folder 1\Name of...
View ArticleCursor position with NaNs
I'm having an issue both with setting the position of cursors on a graph that has traces with NaNs. I have a VI that acquires data from several instruments and then displays the data as a function of...
View ArticleFlexible Control of an RT Target State?
Hi, I'm developing a project which requires a desktop computer hosting a LabVIEW application to control the state of a RT target (myRIO). The problem I'm running into is that I'd like to be able to...
View Articlereal time feature extraction
Hi all. I'm working on a project and I've a problem that don't know how to solve. My application should acquire sound from the PC's sound card (I've this part already done) and should detect in real...
View Articleread tdms repeatedly
please tell me why is the VI incorrect and how to correct it. I want to read the same tdms file repeatedly , thank you!
View ArticleTunneled selector data not changing case structure
Hello, Hopefully a more experienced developer wouldn't mind having a look over the attached VI. The VI is for the digital control of a linear actuator , outputting over 8 lines to an external DAC. The...
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ni 9234 fifo dma dropping samples
Hi, I've got an issue when sampling using the cRIO and an AI card NI 9234, Currently configured to sample a 1k Hz signal from signal generator on FPGA side going directly to DMA which is (1023 elements...
View Articleni 9234 ni 9263 signal error
Hi, I am running a very basic test on the cRIO: Signal generator >> AI (NI 9234)...
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