Quantcast
Channel: LabVIEW topics
Browsing all 69066 articles
Browse latest View live

DaNI Starter Kit 2.0 Motor Driving

Hi, I have got a problem with the Robotics Starter Kit 2.0. The problem is that when a VI contains two commands, one for moving forward and the other command is for rotation (one wheel moves in the...

View Article


Image may be NSFW.
Clik here to view.

Accesing COM child object

Hello, I'm trying to use a library to interface some LVDT gauges from Marposs. It's implemented through COM objects and I have it working in Excel with VBA with this code:...

View Article


Image may be NSFW.
Clik here to view.

Changing text colours on a boolean control

Hi,I am trying to create a boolean control typedef where the colour of the boolean text changes when the button is clicked, for example in the image below:The background of the button is an image, but...

View Article

Continuous TCP reading from RT system

Hello everyone! Project:I have an AVR32 Board which continuously collects data and sends it to a PC. The PC communicates with the AVR via LabVIEW for data processing and e.g. setting the measurement...

View Article

Data type of preprend array size in Flatten To String block

Hi  The data type of the preprend array size in Flatten To String block is given as I32. Is it somehow possible to reduce the data type to I8, since the width and height of my array won't exceed 255 ?....

View Article


LabVIEW code to machine code

Hi,I have been using NI sbRIO for 3 years now in college for education purposes and it had served me as a great learning tool to build robots, create algorithms and deploy code with minimum development...

View Article

current meter

hi all im knew to labview so please bare with me. Im simply looking to take readings such as current and voltage from a 12v bulb and feed them back to a DAQ and onto labview. What components would i...

View Article

Error 61496

Hello,the following error occurs when trying to compile a FPGA VI in Labview 2012: An internal software error has occurred. Please contact National Instruments technical support at ni.com/support with...

View Article


VISA: (Hex 0xBFFF001E) The specified state of the attribute is not valid, or...

I am trying to open a serail com port  in Labviewand am getting this error:VISA:  (Hex 0xBFFF001E) The specified state of the attribute is not valid, or is not supported as defined by the resource. It...

View Article


How to start acquisition on rising edge without using external source

Hi, I use NI 6368 DAQ card. I would like to start digital acquisition on the first rising edge ( first 1) without using an external source. Sounds like I can't use Onboard Clock since it is in use for...

View Article

Detect edge locations on a digital waveform

Hi, I have a  digital waveform and I would like to detect transitions from 0 to 1 or 1 to 0  with their location ( or the edges ). Is there any Edge function that works with digital waveforms ? How can...

View Article

MODBUS RTU over Serial Port for Freescale microprocessor

 I'm trying to communicate with a Freesacle Microprocessor MKL15Z32VFM4. The protocol is using the TTL-UART port of the processor and MODBUS RTU, 19200, 8 data bits, 1 startBit, 1 stop bit, parity...

View Article

while loop stop

hi so im having trouble stoping my while loop since i have another while loop and a for loop inside. I need to press stop and then run by other two loop twice till the main while loop stops. Any help...

View Article


Empty FIFO Shared Variable Node

Hi Everyone, First time poster, long time reader here on the forums. I have a question about an empty FIFO buffer for shared variable nodes. I am using a cRIO-9076 RT and using it to send data up to my...

View Article

Image may be NSFW.
Clik here to view.

Write Spreadsheet To File even if path doesn't exist (yet)

I am interested in using Write Spreadsheet To File to log some data to my disk.  What is the easiest way to include this VI and tell it to create the folders if they don't already exist. For example:...

View Article


remove items from 1-d array

I'm trying to remove an element froma 1-d array usind the "delete from array" function.I'm not sure why but the output is the same length as the original array with the element I was trying to delete -...

View Article

Disabling Mac OS X Mavericks "App Nap"

Does anyone have any ideas how to defeat the new Mavericks App Nap feature?  http://www.apple.com/osx/advanced-technologies/ I have an application that can't go to sleep on the job. It is easy enough...

View Article


data logging

Hi, I am trying to write data to a file.  I am using Open/Create/Replace file outside a While loop, Format into String and Write to Text File within the While loop, and finally, Close File outside the...

View Article

tree to picture (draw tree).

hi all,i try to draw tree in picture.i have a tree that to contain parent and children.i want to draw tree that look like flow chart:...

View Article

Relative min and max of Waveform

I am wondering if I could get some help trying to capture a waveform measurement in LabView using an analog input.  I attached a picture of the waveform I'm trying to capture and the values I'm trying...

View Article
Browsing all 69066 articles
Browse latest View live


<script src="https://jsc.adskeeper.com/r/s/rssing.com.1596347.js" async> </script>