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How to programmatically add UDVs to project?

Hi all, I have successfully used something like this to programatically add shared variables to an LVLIB (the code assumes that the library associated with the Container Reference contains at least one...

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Keeping constant speed with variable voltage using Phidgets

I have 4 motors, 3 of which are being monitored using encoders.  What I want to be done is have the user input certain variables and then have those variables control the process.  My main program is...

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Using Control Reference to change subVI control - sub VI also called using a...

HelloI am in need to update a control inside a sub VI that is also called inside a container in the main VI. Please see the project attached. My goal is simple - Change the "Main VI calling sub...

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.MED FILES

Hello,I need to open some files with the extension .med. Do anybody know which programs are creating this files, and how I can read/interpretate it? The only think I know is that it is including...

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Triple module redundancy design

Hi, Has anyone tried to implement 'Triple Module Redundancy' on an FPGA card? I have a PXI-7853R. I'm thinking that I can support only one bit file. Yes, I could write the three modules in a single bit...

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Generalizing shift 2-D array function--polymorphic or variant?

Following on from  a discussion of the most efficient way to shift a 2-D array (equivalent to the rotate 1-D array native LV function), I created the attached VI, which shifts the array left, right, up...

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delete column in csv

Does anyone know how to delete one column or change values in that column and leave the rest in a csv file?? Example:CSV file has 40 columns and 70 rows. To delete a column or change it's values....

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Readout of an FPGA bitfile

Hi Is it possible (and how would you do it) to read back a bitfile that you've uploaded into the FPGA? Thanks

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Labview Synthesiser: Problem outputting sound via MacBook soundcard

Hi all! First time posting here, hopefully i'm in the right section of the forum. Anyway, i'm a part time student and currently studying a module on Labview in university. As a mini project i decided...

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fpga

Receiving FPGA Compile Error: "The compilation cannot be performed by the compile worker. The compile worker may be configured incorrectly for this compilation, or it may be in an error state." We...

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can't edit mathscript node

Created a VI that uses a MathScript Node. Need to change code in said MathScript Node. I cannot do this because I am not allowed to edit the MathScript Node. Why is this a feature of the MathScript...

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convert serial data to column string

Hello, I am trying to convert a serial string of data "110111001001110011011110011..." into a column string:110111... Any help will be greatly appreciated. Thanks,hiNi.  

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Why is my VI not taking enough points?

I've written a program to measure 30,000 points of voltage data over a specified amount of time (Called "sweep time"). When the sweep time is set to <=8.33 seconds, the program works without any...

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Dostmann electric P795 reference thermometer with Labview

Hi, Has anybody interfaced Dostmann electric P975 reference thermometer with Labview? It has a USB connection and has another software that logs the data. I am using it to calibrate a set of RTDs that...

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PID temperature control using a relay

Hi,  I would like to control the temperature of a heating tape using a relay and a PID type controller in labview 2009. The temperature is measured with a K-type thermocouple connected to a NI9211...

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i have a problem in the path!!

when i launch my 1st vi:0-new motdepasse.vi  the 2nd window opens,but when i click validate in this window the 3rd one "2-nouv liste item.vi" don't open. i think the problem is in the...

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daq assistant hang

Hi- I am running LabVIEW 2013 SP1f1, DAQmx 9.8 and NI Max 5.6 on a Win 7 32bit install and can not add the DAQ Assistant Express VI to the block diagram.  So far I have:  - Repaired DAQmx- Upgraded...

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stacked sequence dynamically

Hello, This is what I am trying to do (maybe stacked sequence is not a good option): 1. User enter no of iterations2. Lets say user enters"2", then i want 2 different plots, 2 different indicators to...

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NI-DAQ for USB-6008, LV 2012

Hello, I have a NI USB-6008 for which I want to create a VI with Labview 2012 for logging one channel at 0-2V from a current shunt. In the our previous version of Labview 2011 I was experimenting with...

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How to setup NI OPC Server to OMRON CJ2H PLC using FINS Ethernet...

Can someone help me on how to setup and configure NI OPC server to OMRON CJ2H model PLC using FINS Ethernet?I already search in the web for available documents on how to to do this but I haven't found...

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