2D Array Analog output across 4 Lines (PCI 6711)
Hello,I would like to design a user interface where the user can define the analog voltage level of a specific analog channel for a certain amount of time. Essentially, I need a 2D array where the...
View ArticleOOP usage in UI
I'm an old hand at LabVIEW in general, and using Object Pascal, C++, etc (other object-oriented languages), but I'm trying to use LabVIEW objects and not having any luck. I understand the trivial...
View ArticleStepper position control with myRIO
Hello, I am developing a position control system to move a linear stage back and forth using a stepper motor (file 1). The stage will ultimately need to follow the motion path set out in a function...
View ArticleFlow control for stopping an earlier loop?
Hello All, Having trouble the flow control for a DAQmx configuration subVI. I need to configure an anolog-out instrument, then continually loop the write function to maintain a constant output....
View ArticleDo I need to use a state machine?
Hi all, I want to write a code that reads two numbers from two different text files (via a file open dialogue box), and perform addition on these two numbers - this operation should happen. Then after...
View ArticleFPGA Square Wave Generator hijacks loop timing
Problem Description :I have a simple while loop with a case structure inside. In one case I have the FPGA Sinewave generator sending output data to AO0, in the other case I have the FPGA Square Wave...
View ArticleProblem with Start Asynchronous Call
Hi,I have a VI (Clocks.vi) that I use to generate various sinewaves out of my PXI chassis. This program is located in the PXI folder in my project (otherwise I get an error like 'ressource missing' or...
View ArticleWant to count number of times "1" comes in digital signal.
I am using USB 6210 I/O and want to count the pulses in my digital signal generated by gear tooth sensor. I have integrated the whie loop within the case structure. Firstly case structure identifies...
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Comma seems to disappear
I'm writing some data to Excel using the Report Generation Toolkit. I'm writing a 2D array of double, and when I place this data in an array and display it in LabVIEW it gives me the right numbers with...
View ArticleHow can I improve or optimize this VI?
I'm learning C++ and I did this excercise from How to program in C++ Deitel (P7-10) (Salesperson Salary Ranges) Use a one-dimensional array to solve the following problem. A company pays its...
View ArticleProgrammatically reset scale layout in digital graph
Hi all,I'm using a digital graph to display digital signals.During visualization, digital line name can change, then plot names can changes at run time.My issue is due to the scale layout. When plot...
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Intermittent Extra Serial Byte in Visa Read
Hello All, I'm hoping you can help me with a problem that I've been having. The background: Using a microcontroller to to gather data from various sources and sending all the data back to Labview via...
View ArticleNo new data reference in inlined VIs
Hi, LV doesn't allow creating a new data reference in an inlined VI. Do you know why? Thanks, Peter
View ArticleHandle error -1074396077
Hello I am working on pattern recognition program. When I choose image type "Grayscale U8" everything works correctly and finds what I need.But as soon as I change image type to "RGB U32" I get error...
View ArticleUnable to read Labview Txt File in Matlab
Hi, I have generated a text file in labview with file I/O's. when i am trying to read it in matlab the matlab is showing an error as ??? Error using ==> dlmread at 145Mismatch between file and...
View ArticleHelp required for sample and Hold
Hello, I am working on a project Cerebral Oxygenation Monitoring. The concept is similar to pulse oximetry. I help already developed the hardware that includes the timing circuit , led driver for...
View Articleupdate custer elements in effecient way
Hi, I have a cluster of 20 numeric elements. The problem, User clicks element 1 and updates the value, element 1 runs continously. Now user wants to update element 2 but element 1 does not stop...
View ArticleLabVIEW 2013 locks up while loading new VI
When attempting to load an existing VI while a project is open and the new VI caues conflicts LabVIEW shows a warning window. If LabVIEW has a loading window open when the conflicts message appears...
View ArticleCan't change text color in "Update Value while Typing" mode
Hello guys,attached a simple VI that shows my issue, could you explain why the String Control with "Update Value while Typing" can't change its font color using the property node? And why the node...
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Selecting "inline subVI" seems to be disabling constant folding
I'm running this VI 100,000 times in a for loop. With "preallocated" on and "allow debug" off, it takes about 165 ms. As soon as I select "inline", it jumps up to ~4,000 ms. My guess is that it's...
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