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Add Array Elements gives wrong answer

Back again. I'm performing VISA serial read/writes using strings. I need to include a checksum each time I write a command.After searching around I thought I could input a string into a byte array and...

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Setup multichannel FPGA Butterworth Filter with configurations in RT host, cRio

Hi! I've done a little searching for answers here but am still confused, so I figured it was time to write my own question. I have an engine control application with an entire (32ch) 9205 module's...

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Connect RS232 with labview to read current and voltage values.

Hi, I am trying to connect my microcontroller kit which will measure the current and voltage. I was provided with rs232 port to connect with labview to read the voltage and current data that is...

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Notifier has data for graphs but empty y values for mean

Hi everyone, I'm probably doing something obvious wrong but I am getting data through a notifier for a display loop. There is an array of 3 waveforms that is generated from a cDAQ 9174 with an NI9215...

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Fluke 8840A and Softmark USB to GPIB interface

Hello,I would like to communicate with fluke 8840A via softmark's usb to gpib interface is there any way to do this? 

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Running an external code for fpga target

Hello,      I want to run a dll file from a c++ code within the fpga target of a single board rio, but when i press the run button of the fpga vi (the vi which contains the call library function node)...

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how can use usb?

hii have a switch and i want to ever that i press it, i have a Voltage in two other wire.and i want to have number of press the key.

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Interfacing a Honeywell 1900 into a LabView Application

Has anyone successfully interfaced a barcode scanner (preferrably the Honeywell 1900) into their LabView Application?  We are preparing to purchase the LabView environment to assist us in the setup a...

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Compiling VIs with Matlab scripts

Hi everyone, I need to build application for a VI with some matlab scripts included in the block diagrams using the Matlab scripts node. I've been searching for related topics and I'm hoping someone...

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Ayuda

Tengo que sumar el numero de veces que se cumple una condicion booleana?? Ejemplo; cuantas veces prende un led.. sumar las veces que su condicion fue TRUE gracias

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Dynamic loading of VIs from compiled program in LabVIEW 2013

In LabVIEW 8.6 and earlier, I am able to dynamically load VIs from disk files. There are some standard library VIs that would not load if they were called in the VI I was dynamically loading. To...

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knob

hello,how i can have a turning knob with limit and  an increment  value

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fpga DMA FIFO Read bandwidth

I have a NI-9148 with 4 NI-9234 RIo Cards.   I seem to be having a FPGA DMA FIFO Read problem.  I have a simple loop using the Invoke Node FIFO read property.  My problem is that the time that the...

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Cannot make vertical axis of intensity graph logarithmic

Has anyone else noticed that that the vertical axis on intensity charts cannot be made logarithmic? Labview gives you the option, but doesn't do anything when you try and check the box. Property nodes...

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Some Doubts in write into spreadsheet file function

hi, i have some problem with writing the values into excel file...if \ found then the values after will write the values in next rows... for eg. if i give 78/58\46/86 then i will write as in picture i...

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How to plot the paths for Google Earth API in Labview

Hi All  I am using Google Earth API for offline application with free version. Would you please assist me how to plot paths of possition on Google Earth using LabVIEW?  Thanks Luong.Tran

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Refnum is No Longer Valid

Hi Guys:      i met a "Refnum is No Longer Valid" issue in following case: 1 In B.vi , "Open vi reference" of A.vi(option x100) , Start Asynchronous Call , and store the reference into a global...

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Write into EXCEL file...HELP..

  hii have some problem with writing the values into excel file...if \ found then the values after will write the values in next rows... for eg. if i give 78/58\46/86 then i will write as in picture i...

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how to extract a10 framess from webcam video..wait for sometime then extract...

Sir, I need to extract 10 frames from a real time webcam video..wait for a particular period of time (say 5 sec) and then extract 10 more frames repeat this procedure 15 times. I tried using vision...

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Why modulation and demodulation with PXI-5673 and PXI-5663 was wrong%3F

iam using PSK-demodulation-modulation  example found in find examples to perform modulation-demodulation for the transmitted signal iam using PXIe-5673 and PXIe-5663 as VSG-VSA i found that the...

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