match pattern 4
Hi everybody!I have a question about IMAQ match pattern 4 VI in labview 2013. this VI has 2 output matches (in pixel) and matches (in real world). I want to know what they different?Anyone can help...
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Intermittent error -VISA Serial Attributes & Set I/O Buffer Size
I have an instrument (a voltage supply- GW Instek PSW 80-13.5) connected to my PC via USB. I am using the Labview instrument drivers provided by the manufacturer to control the instrument. My PC is...
View ArticleDAQ mx Write Underflow
Hi, I switched equipment and now my DAQ MX write function is behaves wierd? I use to work with a USB-6211 with two analog outputs, now i hookup my old DAQ board PCI-6713 with 8 analog outputs and when...
View ArticleBK Precision 8502 Constant Current Mode
Hello, I'm using a BK Precisoin 8502 to simulate as a load. I can talk to it fine, except when I need to change the constant current value after it has already been turned on. I am initializing the BK,...
View ArticleInconsistent newline using Write to Text function
Hello, I have a subvi in my project that is used to log data to a text file according to a user specified recording interval. I use the Get Date/Time in seconds function and concatenate the output to...
View Articleinstaller connection problem
hello, I build an interface to a serial device that is connected through USB-RS232 cable( I had to install profilic windows driver for my computer to identify the cable). I did that and my VI works....
View ArticleEmpty serial port read buffer
Hello everyone. I am currently programming a vi that takes an input string from a serial device and parses that string. The only issue I am having is that, (presumably) in between reads, when the...
View ArticleCreating and using vi templates example
Hi I am taking over some existing LV code where the programmer created 8 exact copies of the same vi with different names. As you can image this is a maintenance nightmare. So I was reading about...
View ArticleRelative humidity vs time VI
Hello everyone I am having some trouble trying to make a VI for relative humidity. I've already correctly scaled the unit within NI MAX and its displaying the correct output in RH% already as opposed...
View ArticleDownconversion from LabVIEW 2011 to 2010
Please help convert to 2011 project to 2010. Thanks!
View ArticleProgrammatically Trigger DAQmx Trigger
Hi All So I am relearning labview and I am trying to do something I am not sure I can do.I have a NI USB 6210 and I have my triggers setup and they work fine.What I want is to have a button on the...
View ArticleXY Graph slow in response
Hi All, I have 2 XY graphs in my VI and for some reason 1 XY is super slow in response. I have attached my vi here which demonstrates the behavior. There are 2 XY graphs. The one on the top is super...
View Articlemyrio missing vi-s
Hi I just installed the Labiew 2013 myRio software pack and I'm getting some strange behaviour. When I try to open any of my past project, or even one from the library, I get an error stating that I...
View ArticleDaylight Saving Format Data/Time String vs Get Date/Time in Seconds
Dear all, I have been developing a real time application by using a cRIO 9074 that has two loops. The first collects data and records time by using the "Format Date/Time String" module with the...
View ArticleVI Logs data - but keeps writing new data over the old - fix?
V8.2.1 - Currently working on creating a control vi that will record current, voltage, temp data while a pump is on. After a pump is on for a bit the float switch on the pump will turn the pump off....
View ArticlestripChart
hi Im using a strichart and also a timer but idont know how make the speed slower when iopen the dialog window from the timer it doesnt obey the changes , please sombody give a hand.also Im using a...
View ArticleOPC datasocket write problem
I have a main while loop (10sec timer)with heavy image analysis, and another while loop(0.1sec timer) that simply writes the resulting single number from the first loop into a OPC server via datasocket...
View Article[FPGA] Associate existing FPGA target with actual hardware?
I started writing some FPGA code and to support this I created a 'new' FPGA device- i.e. a device in the project but not associated with any real hardware. A colleague now has access to some real...
View ArticleSaving large amount of txt image file - getting slower as the program runs...
I run a image acquisition vi in which the camera acquires hundreds of images (with ring buffer pre-allocated) within another for loop which runs for hundreds of times. The loop time was constantly...
View Articlewhy there is a red cross?
I'm a new learner of labview.I did a VI which has a function of cumulatiive.But there is always a red cross when I connectiong wire.Could you help me ?Thank you !...
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