how to convert labview project into class diagram
hello,i dont know if this option exsit in labview,but if it does it will really help,how can i convert a labview project into class diagram?
View ArticleSystem error 988 whlie loading the LabView eun-time engine (C:\Program...
I am trying to use NI devices with Lazarus (there is no pascal section, so I post here). When I try to run my application: DAQmxBaseCreateTask('TaskHandle', TaskHandle);...
View ArticleCustom Operator Interface throughing error in Win 7 German Machine
Hi,We have a Visual Studio, MFC application developed in OS installed in English Language machine (Development Machine).This application interacts with NI TestStand and works accordingly.The issue is...
View Articleget current value of the voltage of an AO channel
Hello,Is it possible to query the state of an AO channel? I would like to know what the current value of the voltage is, but can't seem to find a way to do it.Thank you
View Articlepermanent editing
Good evening,I need your help I want to purchase a permanent data aquisition that's mean if I change the value read by my program it wouldbe possible to read the new one I am using USB-6259 for...
View Articleis possible to catch exceptions thrown by CNIExcel* objects?
Hello all, I'm using CNiExcel* classes to create reports, but in some cases Excel process is still running when application is finished.It looks like an exception is thrown in methods from CNiExcel*...
View Article调用VC在LabVIEW实现听写
我希望实现用麦克风输入声音，当读的是某关键字，LabVIEW能输出某个文本。在这里测试时希望能实现读“你好”，LabVIEW采集到后通过调用VC将VC执行后的结果“1”输出在LabVIEW的输出文本框中。注：我的VC基于微软speech SDK，能实现向麦克风中输入声音，它将输入声音与speech SDK里的语音库自动匹配，显示出读的文本，实现“听写”。这里附上的代码需要附上SDK...
View Articlesupport nicanmsc.lib through command line prompt
Hi, I am developing CAN(NICAN) program in VC++ using Visual Studio 2010.I am using nicanmsc.lib and develop the GUI Application.In this no problem what so ever but I need to run the same thing through...
View ArticleMinimizing I/O Latency for communications
Hi all, I'm investigating whether it is possible to use nidaqmx in an experimental bidirectional analog communications situation. The requirement is that input to output latency should be no more than...
View ArticleHow To Control 2503's BC0, BC1, BC2 Relays Through API
What function besides setting the topology do you use to control the BC0, BC1, BC2 relays? You are able to do it from the relay tab of the front panel.
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IMAQ I/O & IMAQDX
Hello, I'm using NI PCIe-8255R. I linked lamps (ISO outputs 1,2,3) and a IEEE 1394 (firewire) camera to it. I'm programming in C and using IMAQ-IO API (to switch on lamps), and IMAQDX API (for the...
View ArticleHow to specify "single ended" or "differential" data acquiring in NIDAQmx c++
Dear all,i wrote a program in VC++ which acquires some analog voltage channels using NIDAQmx. By means of the "DAQmxCreateAIVoltageChan()" function it works properly, but I've faced a question:When I...
View ArticleFind timestamp array delta
Hi, I need to determine a change in timestamps programmatically. See attached. Time elapsed between array elements is roughly 8 seconds. How could I find this delta?
View ArticleDAQmx error 200361, on board device memory overflow problem
I'm not sure if this is the proper place to post this question but it seems to be. I also notice that several people have had similar issues; however, in my case I'm not sure that I can change any...
View Articlebug of OnCursorMouseDown
I am using measurement studio 8.6(8.6.0.189) for C++, and when I use OnCursorMouseDown event,I found a weird phenomenon, the parameter CursorIndex return 0 when click cursor 1. But the help said:...
View ArticleProblems compiling C in XCODE using VISA / NI
Hi, I'm developing a program in C to communicate with my Tektronix oscilloscope. I inherited this project from a friend (who is currently incommunicado), so I can't talk to him about it. About my...
View Articlesynchronizing analog and digital output
It is rather amazing that after years of discussions NI still did not publish any complete C example on the subject. I have a very standard problem:M-series board, DAQmx, analog and digital outputs...
View Articlesynchronizing analog and digital output
It is rather amazing that after years of discussions NI still did not publish any complete C example on the subject. I have a very standard problem:M-series board, DAQmx, analog and digital outputs...
View Articlechange frequency of the counter task
Hi,I create a counter task in MAX (continuous), then loaded it. StartTask -> it is running OK. Now, I want to change the frequency using DAQmxSetCOPulseFreq(task, "Dev2/ctr0", rate) I receive Error...
View ArticleAre dashed grid lines possible without bitmap background?
Hi, I am trying to get dashed grid lines onto my graph. Having searched around, I suspect that I can only achieve this by setting the background as a bitmap that has the dashed lines on. Is this...
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