VI only runs when highlighted but stop working at full speed
Hey everyone, I am an Undergraduate Research Assistant working on chemical research. The VI I am writing is pretty straightforward. All it needs to do is read the voltage coming off a silicon detector...
View ArticlePXIe-4081 accuracy calculation
Good Morning, I have been trying to calculate the accuracy of the DMM PXIe-4081 with the resistance 4-wire measurement , 7 1/2 digits resolution , 100 OHM range and the resistor the I am reading is...
View ArticlePCI 7833r
I have a NI-PCI 7833 RIO card, is it possible to make it work in a Windows 7 computer ?Thanks
View Article[FPGA] Adding a New Target or Device Shows Nothing
Hello All I am new to LabVIEW FPGA. Now I would like to use PXIe-7820 and PXIe-5171 FPGA.I've installed LabVIEW FPGA module and the driver needed (as far as I know).However, when I create a new...
View ArticleClik here to view.
Dynamic choice of FPGA I/Os
Hello all,I have a question about LabVIEW FPGA coding.So I have a cRIO-9040 and I also have 4x NI-9238 cards.I am essentially writing code that takes voltage measurements utilizing the 16 channels of...
View ArticleClik here to view.
Class data label names
Hello everyone, I'm trying to populate a test parameter table with label names I get from class private data. This works fine when running from the development environment, but not when called from a...
View ArticleClik here to view.
Using VI Server to read Registered Controls Reference (Event based)
Hi, I'm using Labview 2019, Is there any chance that I can read Object from labview application using Event Basedwhich I already edit the file.ini by inserting these two (Using VI server between...
View ArticleOIP2 MEASUREMENT
Hello,is it possible to make an OIP2 measurement in LabVIEW (with PXIe-5840)?when i am using the RFmxSpecAn IM (advanced) example and fill the following parameters :center freq - 1GUpper intermod -...
View ArticleClik here to view.
Convert variant data to specific data type using typedef control reference
Hello the forum,how can I convert a variant data to specific data type using typedef control reference? See example VI and CTL inside the the archive.Thanks!
View ArticleClik here to view.
Problem solving methode for VISA read timeout error
Hello everyone,I'm doing an internship and got called to repair a broken stepping motor drive, which controls different covers for a luminous measurement. After fixing this problem I run the LabView...
View ArticleClik here to view.
Synchronize PXIe-4300 in Multi Chassis
Hi, AllI have two PXIe-1085 chassis, and there are multiple PXIe-4300 boards on the chassis. I want to achieve synchronous acquisition on the two chassis.I plan to synchronize the boards on the two...
View ArticleHow to use database connectivity toolkit with cRIO to log data into database
I have cRIO-9074, Database toolkit. when i try to use database toolkit functions in new VI which is under chassis in cRIO i am getting broken run arrow, when that database VI is placed under My...
View ArticleClik here to view.
34420A Meter LabVIEW Connection over USB Timed out Error
Hello I have a Keysight 34420A Meter and I want to connect it to my laptop over USB, that I can controll it by LabVIEW.I have installed 34420A driver and RS232 to USB driver. I tested the example code,...
View ArticleWarning 1073676294 occurred at VISA Read in Omega
Hi,I'm currently using a PI regler for temperature called Omega CN7800.The VI always worked fine but when I moved the whole station to a new pc it stopped working.There is a non labview program that...
View ArticleAnyone know how to recover missing .vi?
I downloaded a few Tektronix VX tabview drivers and each seem to be missing one or two .vi files. help! I am specifically looking at the vx4250 driver. missing .vi:vx4250 read errors/events.vivx425...
View ArticleClik here to view.
[FPGA] Compilation Error - Slice LUTs size exceeded for simple program
Hi, I am using LabVIEW 2016 with cRIO-9039 that has a FPGA Xilinx Kintex-7 7K325T with 203,800 LUT Slices.I am trying to implement a reasonably simple SPMI Matrix Inverse program into the FPGA, but I...
View ArticleUsb web cam library
Can you advise library for acquisition from web cams?Single payment or free, deployment should allow any number of applications. Configure, acquire (from multiple cameras in parallel), get image data...
View ArticleClik here to view.
Add VI's to the Quick Drop List
Hello everybody,I was wondering if it is possible to add VIs to the Quick Drop. I often use a couple of VI's in a project and I always have to add them manually.Is it possible to do something like...
View ArticleNI LabVIEW interop DLL documentation
Hello,I was going through the NationalInstruments.LabVIEW.interop.dll functionalities. I can see the definitions of the functions prototype. Where can I get the complete documentation for this dll...
View Article