Quantcast
Channel: LabVIEW topics
Browsing all 67231 articles
Browse latest View live

RPM measurement using Counter Errors Timeout/Lag

Hi all, so I'm trying to read a motor's rpm using the Counter from a NI DAQ Device (USB 6212). It works...as long as the motor is switched on before running the VI. From other solutions I've seen I've...

View Article


Better architecture for a Vision application 80% generic (all customers) and...

Hi all We are a small vision company that develop dedicated Vision inspection systems for our customers. These systems are installed on production lines and inspect 100% or products.The main HMI of...

View Article


Can I get some standard train library for labview?

I basically need more realistic looking blocks. I am attaching a a picture of the same.

View Article

CANopen Fetch from Data

I have dragged this subvi Fetch from Data  of CANopen.But i got the problem with "One or more polymorphic instances have a connector pane that is incompatible with the connector panes of other...

View Article

Image may be NSFW.
Clik here to view.

How do I delete a name from a list of names by pressing "delete" button?

I tried different methods, arrays but couldn't figure out to delete a name from a list by pressing the button.I have a picture of the VI I am delopping From left to right (1st page of event structure...

View Article


Printing front panel of calling VI

A problem came up where the calling VI front panel gets printed.  A subVI that contains a graph has the checkbox set to print front panel when closing and that works fine, I get a printout of the...

View Article

Zero phase filtering

Hello everyone , I'm trying to filter a signal with the VI Zero phase using a normalized set of reverse and forward coefficient that I already calculated using Matlab , but I'm getting Nan as Outputs....

View Article

How do I execute one last structure in case a LabView throws an error?

Hello,I am writing a LabVIEW-Script to operate a high intensity laser. For safety reasons, I included an "Abort"-button that shuts the laser down in an emergency.Now I encoutered the problem that if...

View Article


Motor Odometer reading decreases instead of increasing

Hello! I have a motor Odometer reading decreasing when turned opposite direction, which I do NOT want to happen. Anyone know how program a reading to increase instead of decreasing regardless of the...

View Article


Multirate Diagram on NXG 3.1

Hello, I am dealing with this problem for some time. Had Labview Communication System Design 2.0 and I had been working with Multirate Diagrams. Recently upgraded it with NXG 3.1 and now I'm having...

View Article

Can you use FIFOs from PC host in LabVIEW 2017 over the network to a 2016...

Hi, I need to keep an sbRIO device on LabVIEW 2016 base software and am planning to pull data from it in a PC host application, but want to use 2017 since our other software is already all in 2017.  Is...

View Article

Simple Start Analog Edge trigger doesn't work

I'm trying to get a super simple analog edge trigger example to work.  I've set up the DAQmx task the same as shipping examples and lots of posts I've seen.  I'm supplying a nice clean DC voltage to a...

View Article

Labview + Excel FPGA

Good afternoon, I am performing a measurement of a small 12v solar plate, I am using the cRIO 9066, with the module NI 9238. With that, I want to acquire every 5 minutes and save this data in excel, I...

View Article


find RFID tag frequency

Hello my friendsi am working on several standard of RFID Readers and tags .recently i have found RFID tag that i don't know it's Frequency and i can not find it . i have tested several RFID reader...

View Article

NI Python Host not closing

I'm working on a project using Python in LabVIEW 2019 through the Python Node. The problem that I have is after the Python session is closed the NI Python Host process stays open and continues to use...

View Article


DAQ newbie help on graphing

Hello all, I am quite new to DAQs and programming in general, but my project is not very complicated in scope, so I hope to be able to do this with some help.This is more of how to use LabVIEW...

View Article

measurement from load cell with NI-6009

i have a small s type load cell with following specificationcapacity = 50 kgoutput senstivity = 2 mv/v at F.Svoltage excitation = 5-15 voltwhen i connect this with ni6009 and open daq assitant, here i...

View Article


Reentrancy selection

Hi all,For LabVIEW 2015 32bit, i have two same sub VI's(AVG TEMP.vi) running simultaneously for which reentrancy is selected as non-reentrant execution. My understanding of non-reentrant execution is...

View Article

serial port read and write : executing link establish once

hi, I am reading and writing to  a serial port of pc.objective is to 1- continuously poll or read the port until i get a specific combination of 6 bytes HEX2- if the said combination is true write a...

View Article

reading counter out pulses using Digital in or Analog in channels in the same...

is it possible to read the pulses which are out from the counter out of the same card 6229 using AI or DI channels which is best option.Actually i am generating pulses on counter 1 CTR0 and CTR1 of...

View Article
Browsing all 67231 articles
Browse latest View live


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