Producer Consumer simultaneous operations at different frequencies
My goal is to do two operations simultaneously.The desired end result is:1) Produce an output signal which oscillates at a specified frequency (1 to 10 hz)(using DIO NI-9403). This signal will...
View ArticleVisa write works intermittently
I have two exes that are reading data over the serial port. One is a test serial that tests the reading of the string. They both are identical in the serial com setup but one works and one does not....
View ArticlePulse width modulation signal generation for ULx
Hello, I am trying to produce an analogue waveform (i.e square wave) with an option to control the duty cycle. I am outputting through a Measurement Computing card, which uses the ULx user libaries....
View ArticleParse a string from a serial port.
Hello. I have some sensors connected to a serial port and each minute I have a burst of 216 bytes coming in and then wait for the next burst.The data have a specific format and I want to parse them and...
View ArticleWrite to Measurement File Multi-File Termination Settings
I'm trying to get a better understanding of the File Termination settings for the Write to Measurement File Express VI...What is the difference between Segments and Samples? And If I Select multiple...
View ArticleApplication builder error 1055
ed. cross-post: http://lavag.org/topic/18047-application-builder-error-1055/ Hello everyoneI have a big problem with building applications lately. The build is running fine until the end, when it...
View ArticleContinuous flickering of lights
Hi all. I want to make a program which has a continuous sine wave as input, for which, I want to design 3 Boolean lights to show when the amplitude is greater than 0,less than 0 and greater than...
View Articleni-can simulation software
Afternoon all~ Quick question - I am trying to find out if there is a "simulation" vi in examples or somewhere on the site that can be run on FPGA or Real Time cRIO device that would emmulate engine...
View ArticleNI IMAQdx camera acquisition speed
Hi all, This is my first time posting to the NI forum so I am sorry if my explanation is missing details. I am currently using a Mightex SME-B050-U (B/W) USB 3.0 Camera to acquire a sequential frame of...
View Articleagilent b2901A constant current source
hi so i have an agielnt b2901a sourcer unit and before had it set up to output a constant voltage but now i need a constant current being outout but i cant seem to get it to work. Any help is...
View ArticleError -61203 (Cannot Run RT.vi due to error after recompiling new FPGA.vi)
I have updated my FPGA code to interface with my custom mezzanine card. The code runs fine. I am updating the RT code to interface with these changes. Yesterday, both were functioning properly. I...
View ArticleMixed signal graph: Displaying digital busses
If I use the Group Digital Signals VI to gather digital input signals into busses, and I connect its output to a Digital Waveform Graph, I am able to display the resulting output as busses, or as...
View ArticleBuild error 1547 when enabling ActiveX server.
I am getting the following error when trying to build an exectuable: Visit the Request Support page at ni.com/ask to learn more about resolving this problem. Use the following information as a...
View Articlealign graph legends and get graph-only bounds
I often overlay graphs to accommodate legnthy legends or plot data otrerwise difficult to get onto a single graph. Today I wrote a VI to align plot legends, whose widths tend to change with the plot...
View Articlehow to read from DAQ in different time intervals
Hello, I am currently using LabVIEW 2010. I am new to LabView. I have 9 thermocouples I want to record the temperature from and create a graph. For one graph I want to graph the data every second for...
View Articlelocal variable behavior in parallel loops
Ok. I'm almost ashamed to post this question. I thought i understood, but OBVIOUSLY i don't.Local Variables in parallel loops. I created a little test vi to show how local variable references and data...
View ArticleClik here to view.
AI Voltage and AI Microphone problem
Hi, I use DAQ 4461 to acquire sound pressure level from DUT and a ref mic. For the ref mic I use AI0 with the following config ( actually I use IEPE sensor)After meas the output in pascal then I close...
View ArticleFind Maximum using shift register
Hello, I am attempting to find the maximum input signal value and display it in the front panel. I have managed to succesfully do this for values which are positive. but when my signal is completely...
View Articlecolor detection
hi all...i am relatively new to labview, please guide me a little.. i want to make a program which detects colors(atleast 5 colours). i get the live image from webcam.please give me few different...
View Article