Read spreadsheet file labview
I am trying to use the read data from spreadsheet function to do this, which i understand reads in the spreadsheet file as a 2d array. You can write a csv and open it in excel excel will open a csv file with a. Export waveforms to spreadsheet file example. Create a relative path to the file from which you want to read data. In order to directly read microsoft excel files we need to use the report generation toolkit examples in help»find examples , but in excel you can save a spreadsheet as a comma separated value file csv and you can read that using the read from.
Add a set of shift registers, which will keep track of the character position in the file. After that a vi is designed which create a spreadsheet file write data to it and at the end read data from the same spreadsheet. Convert the spreadsheet to comma separated value csv format and import the data into labview. Use the ni example finder to browse or search examples installed on your computer. In this section, we will study how to write labview codes that can create and read the spreadsheet files.
The demonstration below how labview can be used to quickly read five channels of data from a usb data acquisition device and write the measurements to a file. But the problem with xls is still there, nothing could be read out.
The read from spreadsheet file function serves to allow you to take data from a spreadsheet and upload it into your vi to manipulate or use the dada in your vi. You can create a text file, open it, write data to a text file, read data from a file and after all this close a text file in labview, as we will discuss shortly in this tutorial. Read your numeric spreadsheet data into labview by specifying filename. This type of file is usually accessed with word processing software, but it can be used with any tool that is able to read an array of characters.
I'm very new to labview as our real lv course hasn't even started properly so i'm struggling to find a solution. To read data from a spreadsheet in labview, use the read from spreadsheet file vi. I need to write an analog channel data read from a arduino uno using labview arduino interface i was able to read the arduino analog channel and a analog reading from a ni daq into a same file. Figure 1 shows the wiring of the input and output terminals of the read from spreadsheet file function.
Select help»find examples or click the find examples link in the examples section of the getting started window to launch the ni example finder. You can also create a spreadsheet file using labview as you will see shortly in this tutorial.
I need to import a tabulated file that contain some text fileds with a eol inside. I have a program who write temperature in a excel file and i want to open this file from labview.
More specifically in the excel general subpallet is excel get data. If you are reading a. Specify a path to the tab-delimited file by using the "Filename" section in the Configure Read From Measurement File window. You can also do this by wiring the Filename input in the VI with the specified file path. Read Delimited Spreadsheet VI. Open a service request. Enter your email address to subscribe to this blog and receive notifications of new posts by email.
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