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Event Structure will not execute multiple times until all events have ran

Hello all, I have a VI that features 3 event structures that trigger on button presses of the front panel.  The events are:Initialize LaserBegin TestDisconnect I would like to be able to change my...

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Modbus communication error via USB connection

Hello,I have  a Jumo ctron device that has a USB/TTL convertor to connect to PC. This is recognised as COM port in MAX. But when I try to test this connection via Visa test panel, I get the following...

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Quick VI Version Check Help Needed

Hi, I have a few VI's that I would like to know the source version of since I intend to install the closest version of Labview to these VI's to minimize compilation errors (knowing they're...

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Servo Motor Control

I am trying to control a servo motor with angular positions.  I have determined the angular positions of the servo motor that correlate with the duty cycle, and used the linear interpolation function...

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Linear Displacement sensor data to RPM

Hi guys i am attaching my VI here and i am trying to implement FFT analysis to check if i can get the frequency so that i can convert the frequency to RPM. Can someone please help me in implementing...

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Labview Code for motor shaft movement monitoring using proximity probes

Hello Ni Community,I am working on a project that requires monitoring of motor shaft movement. My monitoring sensor is a proximity probe that outputs voltage. I have two of these probes which are 90...

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EtherCAT trouble converting from LV2013 to LV2017

Updating a working LV2013 program to LV2017.I think this is the last kink to work out. Code is intended for an RT box (PXI 8196) but fails to compile.  The error is "Polymorphic VI cannot accept this...

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COM ports not showing up in distributed EXE

My serial VI's always work fine on my own development computer. I created an EXE for one of our suppliers and although the device shows up in windows as a COM port, my VI doesn't see it, so it...

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Banco de datos con lecturas de voz

Hola a todos, Alguno de ustedes podria apoyarme o darme guia para saber como puedo creas un banco de datos con lecturas de voz de 3 diferentes voces (5 lecturas de cada una de las voces) para comparar...

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Clipfile addition error

Hi All, With FPGA Target PXIe-7966R and IO Module (NI-6581) I am trying to add the attached clip files,But it shows the following error...

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Data was overwritten before read by system ->NI -6221 ( Error - 200141)

Hello All , I am using NI 6221 card in my application . Whenever the application starts within few minutes it throws the error -200141 stating that Data was overwritten before read by the system in the...

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Control VI through Python script

Hello, I am working on a project in which I have to launch a VI (Labview program) through my GUI wrote in python. I have not the administrator rights so I installed PyCharm Community with the JetBrain...

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How to test SQL connection with Sql authentication excluding Windows...

I have to connect to a SQL db with db connectivìty tool via ODBC.The server will be external and now i'm testing with a sql server installed into my pc.I've set my sql server on a windows/sql auth....

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Integer Graph Labels on Error Bars

Hi,Trying to do a relatively simple stats VI which displays the mean estimates and the error bars associated with them.  When I set the x-axis on the error bar graph to         Properties - Display...

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How to pass a NULL string into a .net method

Hey everyone,  I am trying to use this method, and it wants a NULL to query all.What do I wire into workspaceName? Empty String ("") does not work, just a constant with no characters inside does not...

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Display portion of windows desktop on LabVIEW frontpanel

Hi,  I'm looking into doing something which is currently beyond my reach, so would like to know what others think and welcome any advice. I've been looking at a 3rd party application (cloudcompare)...

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Two FPGA bitfiles running parallel on sb-rio 9607

I am developing a small scale microgrid system which I have to run two bitfiles run on the FPGA target simultaneously. I tried putting two separate FPGA VI references on the same RT application, but it...

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Replace a first line (txt file) with another (write in file)

Hi,how i can replace a first line (txt file tabulaton for example) with another,example:Test.txt ( tabulation)AsZ Baz eC Deaz Eazd 4 5 4 2 1 12 41 41 1 2 toA B C D E 4 5 4 2 1 12 41 41 1 2And write...

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How to Fit-To-Pane for VI in SubPanel

Hi everyone, i can not figure out how to fit-to-pane the vi inside a subpanel.what i want, is that the subvi uses all the space available in the subpanel.but neither invoke nodes nor property nodes...

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Automatic rewire of control through structure

I recently switched from LabVIEW 2015 to 2017 and noticed that in this version when you move a control from inside to outside of a structure (like a case statement or whatever), it will automatically...

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