Calling VB Functions From A .NET DLL and getting error "The type initializer...
Hi everyone, A colleague of mine has written several methods in VB that would allow me to communicate with a web service. This web service does some validation, and then pushes this data to a database....
View ArticleTelnet VIs - MAC OS X - Any way to read #Bytes in buffer?
Hello Folks, I am trying to do Telnet Read from my DUT. At this point, I am not sure about the #bytes to read, so I am considering using the "normal" or "line" mode reading chunks of data with a small...
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Waveform palette "What?"s
Every time I look inside the VIs in Waveform palette I wonder - what are the "decisions behind the design" there? There are many surprising parts of code, and as I don't like what I don't understand -...
View ArticlePossible to determine monitor?
Is there anyway to have labview determine if it is open on the primary or secondary monitor?? Reason:running 2-operator interface from 2 executables. Executables are connected to the same computer but...
View ArticleHow do I cancel a sub vi stuck in an infinite loop?
Hi, I am attempting an implementation of the Constrained Nonlinear Optimization sub vi. It works perfectly 99.9% of the time but gets stuck the other .1% of the time. It is supposed to time out when...
View ArticleAny benefit to run a vi developed by 32-bit LabVIEW on a 64-bit windows with...
The vi is developed with 32-bit LabVIEW on a 32-bit windows 7 machine, Is there going to be any benefit to run this vi on a 64-bit LabVIEW on a 64-bit windows 7 machine? thx.
View ArticleHow can I fix the color ramp values in a contour plot
Hi, I'm wanting to be able to fix certain values in a contour plot to be certain colors, i.e. if I return a value being sampled as 4.33 I want it to show green, if I sample a value of 6 I want it to...
View ArticleLV upgrade to 2012 from 2010 now GPIB doesn't work
Hello, I have been using LV 2010 for a while and now have updated to LV 2012. When I run my vi's to interface with my GPIB devices it does not work. Every GPIB function fails. Within MAX I am able to...
View ArticleWhat are the parameters and outputs of the activex methods relating to motor...
I just started programming in Labview and am trying to automate the movements of 4 Thorlabs motors controlled by T-Cube DC Servo Controllers hooked up by USB. Since I have no experience with visual...
View Articlefind difference of values and slopes for a specified interval in X coordinates
Hi all,Suppose i have a sine wave of 100hz freq with sampling freq of 1000hz. I want to plot two points on a X-axis and i want to find difference of corresponding y values and display it in the front...
View ArticleNI 9206 Delta sigma or SAR module?
Hi, I am planning to use the cRIO Waveform library for NI cRIO 9074. I am having NI 9206 C-Series Analog input module. The question i have is whether should i use the Delta-Sigma application example...
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6x6 MIMO-OFDM System with NI USRP thread coding error
Hi, I am newbie in this field. I have tried the 6x6 MIMO example and change it to 2x2 MIMO (by using combination of 4 USRP and 2 MIMO cable). However it occured an error as shown below: Hope you can...
View ArticleLabVIEW 2012: compareTimestamps using "Comparison Express VI"
Hi, I am using LabVIEW 2012 try to compare two timestamps data using "Comparison Express VI" When set "Items to Compare" to Timestamps and try to connect timestamp to the input of the VI, I got a...
View ArticleNOT GETTING SAME COM PORT FOR MY APPLICATION
i am making an application to connect my PC serially to a microcontroller serially with a usb to RS232 cable. how should i code in my application to ensure that my serial connection always gets the...
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Cannot bring the tools palette into view on a remote computer
Yes... I have read the following knowledge base: http://digital.ni.com/public.nsf/allkb/84FCD62020BF074186256569008375E2 I cannot see the tools palette because the development system is shared between...
View ArticleVersion Conversion
Hello. Can someone please help me with a conversion from LabView 5.1 to LabView 2011? Thank you in advance. If I am missing any subVIs let me know; I thought I included them all.
View ArticleHow can I change the position the MoveAbsolute method moves a motor toward?
I'm just starting LabView and still am stuck on motor control methods. How do I set the angle or position to which the motor will move (or turn in the case of MoveAbsoluteRot), and can I set the...
View Articlechanging color shared variable
I am trying to create an LED or Color box that will change the color at the same instant between different vis within the project. I have tried LED and changing the colour property but that only...
View ArticleEchoed response works in computer COM PORT but not in usb-rs232 connection
Hey everyone, I have been having peculiar issues in Labview related to my connections. I am attempting to program on/off switches for the IP POWER 9258, a programmatically controlled power box...
View ArticleControlar rpm de un motor de DC
Hola, estudio Mecatrónica y tengo el siguiente problema: Ya puedo controlar las RPM de un motor DC mediante Labview y un Arduino UNO, pero necesito programar rampas de velocidades, por ejemplo: ir de...
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