Quantcast
Channel: LabVIEW topics
Browsing all 69267 articles
Browse latest View live

VISA and UDP working together and synchronization VISA's string

Good morning! I'm a beginner with labview, I see some tutorial online, but I want to use it for comunicate with two device in parallel. I have built a sensorized tool for a robot, and I comunicate with...

View Article


On mouse click want to get the Y co ordinate value on XY Graph

Hi all,I need yours suggestions on how to get the Y co ordinate value displayed on XY Graph with a mouse click.´For example: As in the image in the attachment. Thanks in advance 

View Article


Control with time

Hi, To simplify my problem: the VI contains a boolean indicator (representing the ON/OFF status of a pump) and a numeric control (representing the measured pressure of the system). The boolean...

View Article

Programmatically get installed software

Let's say I created some dll in LabVIEW, which uses i.e. XNET. I want to have a function, which checks whether the richt Software and the right Version is installed. How is it possible...

View Article

Scaling of shared variable using NI 9237 and Loadcell

Hello, I have installed a new loadcell to measure load on a machine controlled by a cRIO-9022. The loadcells are connected to an NI-9237 module located in an NI-9144 EtherCAT chassis which in turn is...

View Article


Image may be NSFW.
Clik here to view.

cDAQ-9184 (Ethernet) modules are not recognized after PC reboot

Hello! Some colleagues face an annoying problem, and they asked me to help them. Their system: a cDAQ-9184 Ethernet chassis with two modules: NI9217 and NI 9211. OS: Win10 32bit. LabVIEW 2016, 32....

View Article

LV does not Find Callers of a parent method inside of a child's (different)...

I observed this behavior in LabVIEW 2016.  A simple example that you may use to reproduce this is attached. I created a dynamic dispatch method (Open) in a parent class (Logger).  In a child of Logger...

View Article

Is labview the right software for me to test a cam shaft position sensor(FAST...

For the past week i have been making a code for my cam shaft position sensor(basically sends a 1 for every 1° of the motor) the motor can go 10k rpm ,thats almost 60000 digital readings per second, im...

View Article


Scale and Calibration of Load Cell

I am having trouble with the scale configuration for an omega s-type load cell.  I cant seem to get any accurate numbers.  Can someone help me set up the DAQ Assistant for the ni9237 module accurately...

View Article


Implementing SubVI with feedback node in a For Loop

Good day programmers,I have a discrete subVI that I would like to implement in a For Loop. The SubVI depends on values from previous loop iteration (While loop iteration), i.e. there is feedback...

View Article

How to handle quadrature encoder pulses when the rotation direction changes

I'm collecting data from a quadrature encoder (channels A, B, M/marker/index) with a NI 9411 with LV FPGA where I stream changes (positive going or negative going transitions along with logic state of...

View Article

Panes without splitters [VI-Scripting, Labview, front-panel, splitter, panes]

Hello!This is an exploratory 'is this possible' post rather than a demand for complete solution.I want to create a front panel with two panes but has:No splitter0-pixel splittertransparent splitter.I...

View Article

Image may be NSFW.
Clik here to view.

Dynamically change logic families of DIO channels on FPGA PXIe card

Is there a way to dynamically change the logic families of DIO channels on a PXIe card running an FPGA application (specifically, I'm using a PXIe-7820R)?  The timing of this switching (and this...

View Article


Image may be NSFW.
Clik here to view.

TCLK Synchronisation error requires computer restart

HelloI am using a PXI chassis with an MXI card, and synchronising a PXI-5122 digitiser with a PXI-5412 FGEN using NI-TClk.I configure the TClk session in the conventional way (I think!) as...

View Article

Image may be NSFW.
Clik here to view.

Kalman filter example "CDEx Kalman Filter" - how to make position as an input?

Hello,I would like to implement a Kalman filter for a simple mechanical system to estimate the velocity given a measurement input of position (which will eventually be achieved with measurement...

View Article


SPI communication with cRIO and manufactured module

Hello,I am new in labview and in the FPGAs field, and I am trying to make a spi communication between a manufactured board and the cRIO 9038. For this project I was reading the CompactRIO Module...

View Article

Overlay the intensity graph onto an image

Hollo—Anyone knows how to make the Intensity Graph transparent? I need to overlay the intensity graph onto an image. I tried to the “Plot Image” but unlike other graphs Intensity Graph only has “Plot...

View Article


Edit Icon VI programmatically

I have on my project a lot of VIs that have the same Icon and I would like to change icon in every VI. My demo icon contains two icons text and those are I want to change but one by one is a hard job....

View Article

50MHz Arbitrary Waveform/ Function Generator 3390

Hello,I am new in learning Labview 2013. I have the Labview programm about the function generator 3390. My problem is that how can i  set up a periodic Ramp wave with idle time intervel (5s)? and the...

View Article

Can LabVIEW generate a real time 1800HZ sinewave ?

Problem Description :Problems:1 When I used the" LabVIEW "connected to the" myRIO 1900", I try to generate a "1800HZ sinewave "which amplitude is 1, to be the input of the "PWM" as the duty cycle...

View Article
Browsing all 69267 articles
Browse latest View live


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