How do i program for data acquisition using RS-232 on Labview
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From: Simmy on 22 Apr 2008 05:10 Hi, sorry if this question have been asked before, tried searching through but couldn't find what i need... I am a beginner on this software, still in the midst of figuring out how to use this program but couldn't really grasp the essense of it yet. I need to do a VI that actually reads data coming in from RS-232 Serial Port... but have no idea how to go about doing it, anyone here can help me with a comprehensive tutorial? Thank you in advance :D
From: BCL on 22 Apr 2008 05:40 Hi Simmy. Try searching the Examples of LabView. There should be some good ones for RS232 also...... Best Regards BCL
From: MikeS81 on 22 Apr 2008 05:40 Hi Simmy, if you use your example finder and search for "RS-232" you will find the "Basic Serial Write and Read.vi" and the "Advanced Serial Write and Read.vi" and some others. I think this should help you to start. Mike
From: JoeLabView on 22 Apr 2008 08:40 Have a look at these threads. They contain info that may help you. Thread 1: Configuring the serial port: <a href="http://forums.ni.com/ni/board/message?board.id=170&message.id=99660&query.id=0#M99660" target="_blank"> http://forums.ni.com/ni/board/message?board.id=170&message.id=99660&query.id=0#M99660</a> Thread 2: Getting MAX to recognize the COM port.. This one required a modification to an ini file.. <a href="http://forums.ni.com/ni/board/message?board.id=170&message.id=19045&query.id=0#M19045" target="_blank"> http://forums.ni.com/ni/board/message?board.id=170&message.id=19045&query.id=0#M19045</a> You may also want to look at the Knowledge Based information: search: <a href="http://search.ni.com/nisearch/nisearchservlet?nistype=default&filter=+%2BLanguageType%3AEnglish+%2Bnicontenttype%3AKnowledgebase+%2BallSoftware%3A%22369%22+%2Bclassification%3AInstallConfig&q=serial+port&ddown=2" target="_blank"> http://search.ni.com/nisearch/nisearchservlet?nistype=default&filter=+%2BLanguageType%3AEnglish+%2Bnicontenttype%3AKnowledgebase+%2BallSoftware%3A%22369%22+%2Bclassification%3AInstallConfig&q=serial+port&ddown=2</a> info: <a href="http://digital.ni.com/public.nsf/allkb/57C21F04AC7FFFCA86256877007996E3" target="_blank"> http://digital.ni.com/public.nsf/allkb/57C21F04AC7FFFCA86256877007996E3</a>
From: Simmy on 22 Apr 2008 21:40
thanks to everyone who contributed for the help, but sad to say, i still don't understand alot of things, been researching, and reading up lots of books and reference, but i get more and more confused, as of now, i need to have read only functionality from RS-232, instrument is not confirmed yet... But i need to get the functionality up and be able to do a test using 2 computers via RS-232. It's my first time using this software and i have to say i'm really stumbled on how much functionality this program offers, would be very glad if someone can point me to somewhere that offers step by step explantion on what is VISA, and how to use it... and how to configure COM1 to work.Once again thanks a bunch everyone! this community is indeed helpful =) |