continous sound audiometer
I'm looking for an audiometer that continuously raises the volume until the test subject stops it upon hearing it, then the VI graphs it in an audiogram. I'm this specific because I've heard that there...
View Articleboard rate
We are using cRIO-9030 and are in the process of procurement of cRIO-9066 controllers. The 9030 does not support 28800 baud rate. I want to know what are the standard baud rates supported by these...
View Articlepsd
HiDuring random vibration testing PSD vs frequency graph is generated.I know only PSD represent strenth of variation at that frequency. Can you tell me that graph what exactly define? Is it define only...
View ArticleSimple problem with a square wave and a boolean LED
Look this is the case, Im making a test for PCB, it has a emergency switch and a buzzer. the buzzer is connected to the emergency switch with a microcontroller Case 1: Emergency switch isnt pushed in ,...
View ArticleNaming Convention for LabVIEW
Hello,What kind of naming convention should be followed in LabVIEW? Shall I use typical CamelCase (MyNewProgram.vi) or with underscore (My_New_Program.vi) or with spaces (My New Program.vi)? In most of...
View ArticleHow to programmatically build applications in a usable way
We have about 10 projects with each at least 1 build definitions, building these manually is tedious.Looking into automating this I came across http://www.ni.com/example/30051/en/. This has two...
View ArticleError 85 occurred at Scan From String (arg 1) in Keithley 24XX.lvlib:Error...
Currently I'm trying to measure data (Voltage, Current and Resistance) from my Keithley 2400 device to my computer using an RS232 cable. I installed all drivers (RS232, Keithley etc.) and build a...
View ArticleFPGA - cRIO data acquisition
Hello all, This is my first post in NI discussion forum. I have followed a lot of discussions for my learning purpose, but as I could not find any solution going through the forum, i'm posting my...
View ArticleReset t0 in an exported file
Hi everyone, So I have this VI (attached), which does some temperature data acquisition and save it in a file every ## seconds. I wired a constant "true" to "append to file", so the program writes the...
View Articleinstalled IVI driver doesn't show up in NIMAX
So I was having difficulty with one of my devices and it seemed to have happened after I upgraded NIVISA and IVI compliance package to the new version 15. I attempted to roll them back to NIVISA 5.4...
View Article3D Picture Render Window in specific monitor
Hi All, I am using the 3D picture tools to create two 3D pictures displayed in two external render windows using the SceneWindow properties (rather than embedded on the front panel). I was wondering...
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Problem with some values in text ring
Hello, I have a problem with the "text ring" control.In my software, I need to update the text ring values, using a property node. But some values are not understood by the text ring, even if they are...
View ArticleData loss using producer/consumer pattern
Hi,I am working on a VI to write data I measure with a DAQ USB-6361 to a text file. I already got the hint to use a producer/consumer pattern and a queue to transfer data from the DAQ (producer) loop...
View Articlehow to merge Vis to have one common program
Dear All, I have labVIEW programs written for position sequence, the positional measurement from optical micrometers and program for digitizer card measurements. I would like to have all three programs...
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Profile Performance and Memory - VI Time Analysis
Hi all, I did a performance check on my measurement application using Profile Performance and Memory Tool.The performance report is as shown below. As it can be seen in the above figure, the time...
View ArticleAnalog accelerometer ADXL335
Hello everyone! I'm beginner user of LabVIEW and to be working with an MEMS analog accelerometer ADXL335. I'm using a Hardware USB NI 6008 for acquisition the vibration signals. The images show the...
View Articleswap USB DAQ
We use USB-6289 DAQ devices on our production floor. Sometimes the operators move them from station to station as needed. The problem is that the device name changes when they do this ie(DEV1 to DEV2)....
View ArticleThreshold with tolerance
Hi, I have the envelope of a voltage signal. I would like to apply a threshold on this signal with a tolerance, like 10+/-2. I just did a comparison with a equal or more, but I can't find how to put a...
View ArticleHelp with troubleshooting program
I will give a short intro to what exactly I am trying to accomplish and explain the rpoblem I am having. I have one code that scans a barcode and based on the barcode read, assigns a value 1-96 and...
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