FPGA: Does priority have an meaning with FPGA-running VI?
Hello, I am using NI-7833R FPGA. I added some code containing single-cycle timed-loop to an already existing VI. However the VI won't compile because its priority was "time-critical priority...
View ArticleNTi Audio XL2 LabVIEW driver
Hi, I was wondering if anybody knew whether or not a LabVIEW driver for the NTi Audio XL2 currnetly exits for LabVIEW 8.6 or LabVIEW 9.0. Thanks for the help. -Ben
View ArticleUnique regular expression to check if a string contains letters and numbers
Hi all,How can I verify if a string contains numbers AND letters using a regular expression only?I can do that with using 3 different expressions ([0-9],[a-z],[A-Z]) but is there a unique regular...
View ArticleRising Edge on AO Start
Hi, I'm using a PXI 6251 Daq card. On this one, I'm generate on analog output a finite signal. I would like to initiate a rising edge on PXIx terminal when the Output analog task is realy run. In fact...
View Articlegenerate sound vi doesn't run on my PC
I'm trying to run the example vi generate sound.vi on a Dell, Windows 7. DirectxV11 is installed. I get Error 4800 occured at Sound Output Configure.vi -> generate sound.vi. Possible reasons:...
View ArticleWant to stop a running VI, but I don't have a STOP button showing
I pulled a goof last night while debugging a program. I ran the VI to test some changes, and while it was running I closed some extraneous LV windows that were still open. But in the process I...
View ArticleLego NXT bluetooth
As a summer research project we are trying to have bluetooth connections between Two NXT lego mindstorms and a computer. The problem that we are running into is that we can not have two master NXT...
View ArticleVI Works Single Step at a Time, But Not When Run Normally
I'm very new to LabView and have created a simple VI to record a single measurement from my HP 34401A Multimeter over an RS 232 connection. The problem that I'm having is that the VI only works when I...
View ArticleBuilding on existing data while recording new data
I'm currently working on a program that collect samples in cycles defined before a while loop. The problem is that data collected within a cycle is wiped before a new cycle begins, but only if more...
View ArticleParity & Framing errors on Serial Port read
Hello, I'm writing a program that reads an IR thermometer from the serial port. Intermittently, I get both parity and framing errors and cannot explain why or figure out how to fix them. All the serial...
View Articlefpga- microphone value
Hello, i am a labview and fpga beginner. I made a code which supposes to make speaker to produce sine wave sound and microphone to record the sine wave in time difference. The speaker works well. It...
View ArticleWhat does the status message "not present" mean in MAX?
Hello, I have two instruments, a Burleigh WA-1000 wavemeter and a Tektronicx TDS 2012 B Oscilloscope, connected to a GPIB - USB converter which then goes into my computer. The MAX panel "sees" both...
View Articleunflatten from string takes long time to execute in x64
Hi All, I am running into an issue where "Unflatten from String" is taking enormous amout of memory n time in LV 2012 SP1 x64 to execute. I pass in a NOT flattened string to this function and it...
View ArticlePower Monitoring with a Compact RIO
Hello: Is there a means to monitor power using donuts and C Series Modules + LabVIEW? Thanks.
View ArticleDigital Electronics FPGA Board with Xilinx ISE
Hi, I've a design in Xilinx ISE. I Synthesized and created the Bit map file.How can I export this bitmap file to the NI Digital Electronics FPGA is board? I tried using Adept to program, but the tool...
View ArticleVISA Read timing issues
I am using an RS232 to control an older model Power Supply (OXFORD PS 120-10). I have successfully written several VI's that all work, the only problem is that VISA Read takes WAY too long. I'm talking...
View ArticleIndicator output value resets every other time sub VI is called
Hi All, I have a sub VI which loads some values from a file and populates a table indicator which is passed to the calling VI. Every other time the sub VI executes, the table (and output) resets to...
View Articlehttp post- in server url
I have cloud url. I want to do http post .content type- application/x-www-form-urlencodedI want to add two parameter and value. those are parameter valuesource...
View ArticleResetting time to Zero.
Hi! I have an equation for a very specific pulse shape that I want to simply display on a waveform chart. Its given as function of time so I simply used the formula waveform VI. The equation is a...
View ArticleHow to change language of installed LabVIEW.
Hello everyone, I am student working on a project in german company which requires LabVIEW simulation. The labVIEW installed on my computer is in german language, as I am...
View Article