DC pump control
Hi, i am trying to control pump speed based on the flow measured. It is a closed loop process and turbine type flow meter is used for this project. i am using PID controller for this project, data...
View ArticleThird party CAN devices support
Does NI CAN 2.7.4 support third party CAN devices? I am looking to buy a Moxa CAN Interface PCI Express board (unfortunately NI does not have a PCI Express CAN board in the product line) and wish to...
View ArticleLoad Cell Voltage
Hi everyone! I am new to Labview and I am working on creating a VI that displays force values from a load cell that has been installed in an industrial tool. The signal is being carried from the load...
View ArticleUser choice in temperature or voltage from thermocouple
Hello: Using LabVIEW 2013, I'm trying to get DaqMX set up so that a user can select from the 16 channels of a NI 9214 and view the output in either voltage or temperature. Using DaqMX Assist, I can...
View Articlehelp, PLL and synchronization process for generators
hello, what i want a simulation to synchronize two generators, the two generators will generate sin waves these sin waves will be compared to achieve synchronization its better to use PLL but i have no...
View Article.NET constructor node reporting no public constructors
Hi all.I am trying to make a .NET call to Microsoft.Win32.RegistryKey within mscorlib(2.0.0.0). MSDN shows that there are several properities and methods available to use. However when attempting to...
View ArticleHow do I "find" Asynchronous VIs?
I like to use the Asynchronous Call and Forget function to start parallel loops, as it allows me to launch the parallel VI when all the prerequisites for it have been met. It can also be done from...
View ArticleReal time epoching
Dear all, How to do real time epoching in labview. If continous data is coming in an array then how we can split that data into small fragments in real time. I am fairly new in advanced...
View ArticleOutput value outside of loop immediately after each iteration
Hello NI Community, I apologize if this is a basic topic or has been covered, but I did much searching and found no help relating to my specific issue. Please direct me to the proper location if need...
View ArticleSplit audio into left and right channel.
hi! I've seen in this http://forums.ni.com/t5/LabVIEW/Split-audio-into-left-and-right-channel/td-p/1635312and i did it as he says too,but i find some question in it,i used the vi ,but When I send a...
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Customize Table Control
Hi I have used a table control to read a registry map data from an excel file . I need to haev the following functionalities for this table 1. each row should have read and write so each row ( from...
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Data storage and read
Hello all, I got a problem in data storage and read. I used the combination of "Open data storage", "Write data" and "Close data storage" to store some data as an array as shown below. And used the...
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Extract balanced parantheses from String
Hi community, I am getting back to work on LabVIEW after long.Currently implementing an algorithm and I need to work with tree like structures presented in the form of strings with parantheses. So, for...
View ArticleChange major grid thickness
I use xy graph and I need to change major grid thickness (thicken)How can I change major grid thickness ?
View ArticleVoltage Controlled Oscillator using rio
I have a myRio and wish to design a VCO ie a direct digital synthesis sine wave (doesn't need to be more than a few hundred Hz +/- 10Hz say) who's frequency is controlled by dc. I looked at the sine...
View Articleunable to edit labview
Hi,I build my old subVI use Labview 8.6. Somehow I can not edit or see block diagram of my sub VI. See attachedment:2400.vi is the subVI with the problem other subVI like A8163 is still editable....
View ArticleXY graph cursor won't snap to plot when dragged
I haven't used XY graphs much and have a need to have several plots on the graph and be able to find the value at points on the plot using cursors. Everything works fine except that I can't drag the...
View ArticleIs the FPGA compilation time going WAY up for any other people after the...
I got the NI Updater notification that there was a handful of new updates a few days ago, and installed them- one of which was a LabVIEW FPGA patch of some kind. After opening my FPGA code, I got the...
View ArticleAgilent/HP E5250A
Hi, I am trying to use the driver for the Agilent E5250A to do some measurements with the 4156C Parameter analizer. Does anybody knows how to specify the channel list to the open and close vi's? I know...
View Articlelímites en el dominio de la frecuencia
Saludos Estoy trabajando con la tarjeta de adquisición USB 6009 y necesito adquirir una señal analógica que debo analizar en el dominio de la frecuencia y determinar si esta dentro de ciertos límites...
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