Quantcast
Channel: LabVIEW topics
Browsing all 66855 articles
Browse latest View live

DAQmx USB 6009 trigger

Hello,I am new to LabView. I am using USB-6009 to recieve signal from two channels (ai0 and ai1) and want to show and read data once the external trigger pulse (PFI0) is on the rising edge. The trigger...

View Article


switching between arrays

Hi I have two arrays and I am trying to hook up a control that chooses one or the other, I am having issues doing this. Could someone lend some help? I have my block diagram and front panel attached.

View Article


Indicating cycle

Hi,I really have no idea how to put this into a labview program but I can put it into words...I have an array and when that array is indexed, I want an Led to light up on the front panel. Like so in...

View Article

Arduino Stepper Motor

I am currently using the arduino stepper motor example to control a stepper motor from sparkfun with an easy driver. The example works perfectly on the first run, however when I press the stop button...

View Article

cRIO 9076 disconnecting

I am attempting to use a cRIO-9076 with the NI 9512 and the NI P70530 stepper driver. However, I am having difficulties keeping the 9076 connected to my host PC. I've read the forums on this problem...

View Article


Sending AT command from xbee pro to read the data from device

I am new to serial communications using Labview. I am having trouble with starting up the project, where I have to design the software that involves XBee pro module.I need to send the READ command to...

View Article

how to save data from oscillscope in labview

hello,i dono much about labview just now started learning it.I need to save a data from oscillscope ( photodetector signal given to oscilloscope)  for a duration around 2 hrs contionusly.. can you...

View Article

Shortcut to jump up or down in an array constant?

Alright, so lets say I need to create an array with 10 elements. After I have create an empty array and enlarged to 10 elements I click to the first index, type the content, then click to the second...

View Article


tdms file viewer graph layout

I am taking multiple inputs from a BNC 2120 using the DAQ assistant and viewing them through a TDMS file viewer on output. The graphs that i get in the tdms file viewer shows all the signals on the...

View Article


How to position the decoration elements over an ActiveX Object on the FP

Hi everybody,I've got stacked on relatively simple task (I've tought). I've made a small supporting VI to a main application, which should just show the acquired image from a SUMIX camera that is...

View Article

Getting outputs of different lines in MIMO( Multiple Input Multiple Output)...

I am taking multiple inputs from a BNC 2120 using the DAQ assistant and viewing them through a TDMS file viewer on output. The graphs that i get in the tdms file viewer shows all the signals on the...

View Article

how to find the bounding box of a 3D object

Hi,once I've loaded in a 3D picture control my 3D CAD model (for example in .stl format), I would like to found the dimension of the bounding box.Any idea about that?Thanks in advance 

View Article

event structure to switch on and off one LED

Good afternoon,  I would like to activate one part of my algorithm depending on the value located in another part. To make easier I symbolize the value by a button and tried to used an user event...

View Article


xnet alias 'lost' its database. How do I tell where it's looking?

Hi, I have several XNET sessions in my project, but one of them has 'lost' the database that it is associated with. I'm guessing the database may have been accidentaly deleted from our network, but I...

View Article

Image may be NSFW.
Clik here to view.

problem in calling DLLs with complex structure

When I use dll to generate the VI. Some VIs including complex structure can not be created. As the picture below shows This VI including cluster, so I create a custom control, and access to the control...

View Article


Wait for less than 1ms.

Yes, I did the search on the forum prior I posted it. I have a general opinion which I get from the posts read. However the posts are a bit old. So, I'm asking the question again hoping something has...

View Article

center front panel display during execution

Is there a way so that the front panel display is centered when I create an executable out of a vi??  I have a clock that counts down time.   In the source code its centered.  When I create a exe its...

View Article


RMS calculation through Rectangular Window with 25% time gap

 From any signal (e.g. sine), I need to calculate the RMS value, with a 1 millisecond integration time, through a Rectangular Window, with a 25% time gap. In other words, instead of calculating an RMS...

View Article

FPGA Process Timeout Crash - Shared Variable, DMA FIFO, Windows 7, PXI

Sketchy details to start -- I cannot post the source code to the forum.Dell PC, Windows 7-64, LabVIEW 2012, LV FPGA 2012, PCIe Bus to PXI Chassis withNI PXI-7951A with NI 6581 Adapter ModuleFPGA uses...

View Article

Suggestions for replacing out port vi

I  am working at replacing an old computer with a new 64 bit/Windows 7.  Problem is that I can no longer use the Out port vi and wondering if there is any simple way to go about this without having to...

View Article
Browsing all 66855 articles
Browse latest View live


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