do i have the buffer in the right place
I need to know if i have the buffer in the right place. I am not getting the right buffer size when i use it on another vi.
View ArticleEnum control
Hi friends, there is a BDL indicator. The enum control which include the DBL values is created. I want that the DBL value is automatically find in the enum control. What can I do? have a nica work
View ArticleSending Custom Commands/Queries
I need help to send a query (command) to a Lakeshore 331 temp controller in order to read the the zone parameters. From the repsonse, I need to be able to use the numerical data in a function. My...
View Articlelvalmark.sys and nitiork.dll caused Blue Screen sometime
Hi EveryoneI am a Labview programmer, debugging Labview 2011 programmes on a WinXP 32bit system.I recently ecountered this weird situation, that is, Labview system component causes computer crash when...
View ArticleCheck String Control for Content
Hello! I am using Labview to communicate via GPIB. I would like to send a certain command only if a specific string control is empty. I was wondering if there is any basic or straightforward way to...
View Articleremove noise in acquired signal
usually i generate analog output voltage signal at 1 hz to 20 hz at a samplin rate of 1khz and acquire the signal at 1khz sampling rate ..for low frequencies i'm not finding any kind of noise in the...
View ArticleLabView fpga VHDL code and compiler
Hello, I'm in the project where we would like to use NI hardware (more likely cRIO system). With NI hardware we will read/wright several AI/AO and DIO and perform some math and controls on the result...
View ArticleBianary Number
I know this will be simple and appear rudamentarary to some (please be kind).I am trying to display boolean values as a bianary number. The problem is when I choose to display a bianary number the...
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Make an Executable including connection to solidwork (module sofmotion)
Good afternoon,I'm trying tomake an executableofmyVIwhichhaveimplementedmotorscontrollingmechanisminsolidwork.Buttomake theexecutable thatis what interestsme,theseengines givemethe followingerror:AsI...
View Articlehow to loop a vi
Hi, I have been searching the threads for a way to open and extract data from an excel file and display it on screen. I managed to find an example which pretty much does what i need it to do.I have...
View Articlesend text file via serial
hii've trying to send a text file via rs-232 but no success The file contains a code for a device im dealing with, when i send the text file with labview to the device, it went ok with no errors, but...
View ArticleHow to find Property Nodes in other VI's
I am working on an application that I have inherited from others. It has huge, and in my opinion, very complicated and difficult to follow block diagrams. Here is the essence of the problem I am...
View Articleocean optics s2000
Hi all, I have a ocean optics S2000 CCD, and I used to use it reading single signal. What I am trying to do now is sending two beam into the CCD with a bifurcated cable, and read out both signal in the...
View ArticleConvert Refnum / Property Node to a cluster or an array of strings
Hi I'm wiring a new app, and I really need to make it flexible (the needs of my customers are changing a lot). Basically I'm using XNET and and I'm putting information into different trees. The thing...
View ArticleNI cRIO-9004 safemode improper installation
We are now working with 'CompactRIO Real-Time Controller - NI cRIO-9004', and facing many problems. hardwares we're using:CompactRIO Real-Time Controller - NI cRIO-9004chassis: cRIO-9104modules: NI...
View ArticleHow to capture data from a weighing machine into labview?
I have created a VISA application VI which will take the input from labview using serial communication from RS 232, i want to capture the exact weight of the box and enter it into my excel sheet, i...
View ArticleOpen EXCEL at Runtime
Hello all, Please help me if anyone have any idea about my issue. In my application, I’m saving some information continuously in Excel with LabVIEW Report Generation Tool Kit.When data is writing into...
View ArticlePsychrometric Calculations
Hi all, I'd like to calculate the dewpoint of air at sea-level pressure using the dry bulb temperature and relative humidity. Are there any VIs floating out there that can perform such calculation? I...
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Create VI with some complex structures when calling dll
I am using the company's .dll file and .h file to create VIs. The report shows there are some VIs can not be created correctly and I can not understand the meaning fo the solution it mentioned. I also...
View ArticleVI works properly every other time
Hello All,I am fairly new to labview, but not programming. I have created a VI that controls an electronic load via inputs from a CSV file. The VI communicates with the load via a NI USB to GPIB...
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