Quantcast
Channel: LabVIEW topics
Browsing all 67020 articles
Browse latest View live

Connecting to NI OPC server gives "Access is denied"?

In the distributed system manager (DSM) I can see that the local OPC1/NI OPC Client Status is Active=true, Connected=false.When I enable diagnostics I get HRESULT=0x80070005 Access is denied.  |...

View Article


Slow remote debug

Hello,I'm experiencing very slow start-up of remote debugging sessions. When I'm on a local network, it takes some seconds to get the control on the application when the main VI starts downloading...

View Article


Cronometro

Moved to Spanish board

View Article

Converting Modbus integer to float

I'm working on a VI that controls an electric motor through an Emotron AC drive, using the modbus library. I have no problem getting the motor to run and read its speed, however when trying to read the...

View Article

How to find 'set of pixels' inside each blob of a AVI.

Hello All!I want to find the set of pixels inside each blob(in my case: they are circles) in an AVI file/ a image. I am aware that by using IMAQ Particle Analysis VI, I can get the number of particles...

View Article


head mounted display

I have an idea to implement head mounted display in LabVIEW.I saw some videos and have an idea to implement it in labVIEW.Is it possible to do it.

View Article

Collecting Temperature Data Over a Long Period

I am creating a temp monitoring vi that will display temps in real time on a waveform chart. I have done a similar project before using a thermistor. What is different this time is that it need to log...

View Article

FPGA Referencing Multi Loops

Hello, I have a simple VI which open's a FPGA Reference (using Open FPGA VI Reference) in dynamic mode, downloads to FPGA and runs it.This is done before a timed loop starts and then the reference out...

View Article


Snippets Manager - Drag snippet from LV exe to block diagram

HiI would like to create Snippets Manager which should work like this:1. You have an app with a list of your snippets (see attachment).2. You can scroll through all of your snippets and select the one...

View Article


Image may be NSFW.
Clik here to view.

Reading UsedRange rows from excel yields unexpected answer from a particular...

I am trying to append data to exisiting data in a Excel sheet and I am able to do it. But there is always a huge cell gap between the existing data  and newly written data. I have used ActiveX to read...

View Article

Acquisition and display of a frame given by external triggered camera

good morning everybody,I am trying to acquire and then display a single frame from my Grasshopper3 by Pointgrey after that the camera is triggered by a NI USB 6221 DAQ; I don't know how to first "snap"...

View Article

Image may be NSFW.
Clik here to view.

Use Single Process shared variable for control AND loging

Dear NI friends, I use a real-time application (see attachment) with various VIs running in parallel on a PXI target.In the Controlling.vi, sensor data are captured and simultaneously actuators are...

View Article

How to filtering signal of voltage data adquisition with "Median Filter"

Hi, I am working with a displacement transducer, which I get voltage adquisition and a noisy signal.I was trying to filtering signal using "Median Filter" but without success. Maybe I have a mistake...

View Article


Image may be NSFW.
Clik here to view.

Labview NXG 1.0: Hardware missing from hardware tab

Hello!I have a problem getting my hardware recognized when using Labview NXG.To be clear, i've tried a bunch of things to make it realize it is well plugged, but nothing has yet worked.The devices i'm...

View Article

Should a simulated hardware device be a child or a sibling of the "real thing"?

I'm just now getting started using the Actor Framework and am coming up with some "architectural" questions I hadn't really considered beforehand. Part of my code involves using various hardware...

View Article


NI-XNET and logging CAN messages to TDMS file

Trying to follow the documentation trail provided by NI and feel like I am going round in circles. I thought logging CAN messages to a TDMS file would be a bit straight forward! Our issue is we don't...

View Article

TTi CPX400 Driver Install

I'm having some trouble with the drivers to remotely control a TTi CPX400 Dual Power Supply. I downloaded the first two drivers from this and from this link. MAX can find the instrument. I have...

View Article


Graphing Data that was created by Daq card and placed in excel.

I used a daq card and had the data put into excel. I was trying to graph it in excel but I am not sure what to graph since I have input (-10 to 10), output( -5 to 5), change voltages by .5, and then...

View Article

Regexp: how to get random string matching to specific RegExp?

I work on labview application which needs to scan various bar-codes and match them to regular expressions from database. For testing purpose I would like to solve opposite task - be able to generate...

View Article

[LabVIEW] Send CRLF as Termination Character in Serial Port

Hello All,Good day. I am now facing the termination character problem when using serial port to send commands to instrument.When I study the example(Example>Hardware Input and...

View Article
Browsing all 67020 articles
Browse latest View live


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