Non-Linear fit of Voltage vs. Angle data
I am trying to create a curve fitting VI in Labview that I keep getting error 20068 for which is "Analysis: Input parameters has at least one element that is Inf, NaN, DBL_MAX, or DBL_MIN". I have...
View ArticleAre these standard .vi files and does anyone have the relevant library?
I tried to load a .vi file and it requested, in this order, "Calculate Buffer Size.vi," "AO Trigger and Gate Config.vi," "AO Clear.vi," "AO Start.vi," "AO Write.vi,"AO Config.vi," "AI Clear.vi," "AI...
View Articleappend waveform not resetting
here is the high level explanation. I want 100Hz samples, groups of 10. I want to check for discontinuities then take the last datapoint in each group of ten. then take that last datapoint so I have...
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ELVISmx - Multisim interface
I'm having trouble getting multisim to report an accurate voltage while using the ELVIS multimeter virtual instrument in this situation: In the first instance measuring across the 10MΩ resistor R1...
View ArticleActor Framework auto generate actor
Hello, I'm starting to use the actor framework for a large application. I am wondering if there is a way to auto generate a new Actor? I understand I can auto generate messages for an actor using Tools...
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How To: Reference LabVIEW VIs in Memory from a Compiled Application?
Hello all! This is my first post on these boards despite the fact that I have been doing LabVIEW for almost 8 years...so go easy on me! Basically my issue is this: I want to write a compiled...
View ArticleInterrupt Play Sound File on condition
I have a VI that would play a sound file if a it receives 5 volts. If the voltage supply discontinues, I need it to stop playing the sound. But whatever I try it does not seem to do that. My Play...
View Articlewrite to excel
i created a VI that would open excel, write to a sheet then save as original_timestamp (this way i had a clean template each time), the problem i ran into was i opened the original each time so...
View ArticleLabview Linux Displaying Chinese Characters
Hi all, i just installed Labview (Linux) on Linux Mint 15. (Had to install using a guide i found on the forums for ubunto installation). At any rate, it seemed to install correctly but have a few...
View ArticleRead 16 bit binary image into LabVIEW, convert to TIFF and display
Hello, I have what is probably a simple problem - I have RAW images (1536 x 1944) saved in binary files consisting of unsigned 16 bit integers that I need to read into LabVIEW and be able to view on...
View ArticleWiring encoder to 7330 board.
So, I'm building motion system based on NI-7330 and stepper motors and came up with a problem concerning wiring encoders. I've got an WEDL5541-A06 Encoder with line driver output signals so it's 8...
View Articlecreate 2d array from 1d array
Hi everyone,I have code to pull a spectrum which is a 1D array from a USB connected instrument but I would like it to run the data collection many times and output the data each time to a 2D array that...
View ArticleHow to get and display voltage value in Labview?
First a little background: I am a college student doing an internship at a university and my project for the summer involves load cells. I am planning to use LabVIEW as both a multimeter and a...
View ArticleActivating a switch in a slave loop to active a send button in another while...
Hello: I am using a master loop with a slave loop to perform a sequence test. I added a Can Bus it runs outside the slave loop I can send commands out through the can bus as long the slave loop is not...
View ArticleUSB Camera without expensive software
Do any body use a USB Camera to compare Images or do Image processing without buy expensive software? NI software to do that is very expensive, for that reason I'm looking for VI's than can compare...
View ArticleUnable to select indicator
I am new to LabView and have inherited an application written with it. The original developer is no longer working here. I am trying to extend the functionality of this application and ran into this...
View Articlecan i convert a wav file to a digital signal without using DAQ?
i tried the coversion of a sine wave to digital signal, ofcourse it doesnt work on converting wav file to a digital signal. i am also new in labview. i tried to explore it but there are many functions...
View ArticleError 200088 using the DAQmx Read VI in a case structure
Primary problem: I am trying to write a VI which will read data from a DAQ and write it to a text file when I hit a 'Record' button. To do this, I am using the DAQmx Read VI within a while loop, which...
View ArticleScan for Instruments automatically using labview?
I understand you can use NI MAX to scan for instruments connected to your desktop/laptop. Using NI MAX it also provides the IP Address, GPIB Address, USB, and COM Port within the window as well. My...
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