01-26-2015 02:50 AM
hello
I want to measure a numeric type RS232 signal at the output of a CV7-V wind sensor (attached PDF file)
I used the module CDAQ 9191 and NI 9403 under NI MAX and I got the result on the attached figure
how I can retrieve the information from this sensor under labview using CDAQ 9191 and 9403 Module
01-26-2015 03:46 AM
If it's an RS-232 Serial Device - why don't you use a serial port instead? That way you can just read the data using simple serial functions.
If you have to use a digital I/O device - then you will need to convert the signal into digital data (using the timing information of the RS-232 device) and then convert it into the numeric data output by the device. It's not something I've ever tried to do but have a look at the digital waveform functions in LabVIEW as that might help you convert the analogue signal into binary data which you can then convert into a string.
01-26-2015 05:57 AM
01-26-2015 07:31 AM
thanks for you answers
I want to use 6 six wind sensors with the module 9403
So with RS232 or USB-RS232 it must pass through switches
I just want a complete solution NI for sensors measurement for all types of signals at the output sensors (analogue or digital).
01-26-2015 08:13 AM
01-26-2015 09:30 AM
thanks for your reply
but we can measure the speed and direction of the wind from CV7-V wind sensors
and that by using the 9403 digital I / O module
01-26-2015 09:38 AM
01-26-2015 09:49 AM
01-26-2015 02:01 PM
Thank you for your contribution