LVDT

[quinga]

Hello

My name is Joaquin.

I have LVDT from HBM typ wa/300mm connected to PCI 6036E.

I would like to create a VI to measure Position and time. It is possible to measure the speed with this instument? Where can I find a good example?

I dont need anything complicated. The only example i found in my Labview is not what Im looking for.

Thanks for your help

Joaquin

[Robert_F]

Hello Joaquin,

Please post DAQ questions here.  It helps our community find information faster and easier.

There is actually a great Dev Zone article here, that explains how to measure a LVDT using NI-Products.  There is a section in this document for connecting the LVDT to a SCXI-1540.  The SCXI-1540 has the signal conditioning built-in for reading data from a LVDT. 

You could just use a shipping example that would read differential data continuously.  You can use a DAQ Assistant within a while loop for a simple and easy solution.  Once you have acquired the voltages, the data would need to be converted into linear distance. 

[quinga]

Hi Rob

Thanks for the information.

I made this little program. I want to modify it to measure speed or even acceleration. It is possible?

Thanks again

[Robert_F]

Hello Joaquin,

I would suggest using a DAQ Assistant. (Functions Palette >> Measurements I/O >> DAQmx – Data Acquisition >> DAQ Assistant) It is very similar to creating a task in Measurement & Automation Explorer.  Once you are able to get your DAQ Assistant setup correctly, you can then convert that Express VI into DAQmx code. (Right-click on the DAQ Assistant and select Generate NI-DAQmx Code)