Wireless/Bluetooth DAQ and labview Mobile Module

[jamie310382]

Hi,

I want to acquire several 4-20mA signals from field instruments and acquire the data locally using either a wireless or bluetooth DAQ device. I then want to wirelessly transmit the data back to a PDA running a labview application which will store and display the data.

I wanted to use NI wireless DAQ, but I have been told that the NI wi-fi DAQ products are not supported by the labview PDA module. Is this correct or is there a way for me to write the code to get the data out of these DAQ devices?

Has anyone had any experience with this, and if so could you please advise any alternate hardware I could use to acquire the data.

Thanks

[AdnanZ]

That's correct. LabVIEW PDA only supports the NI-DAQmx Base driver which in turn doesn't support the wireless DAQ devices. These devices are supported by the NI-DAQmx driver. One solution that you could use is to use the LabVIEW environment on a standard PC to acquire the data using the DAQmx driver. You can then use a communication protocol like TCP/IP or shared variables to transmit the data to a LabVIEW PDA application that is running on the PDA if the PDA can connect to the local network.

Message Edited by Adnan Z on 05-05-2009 09:47 AM

[jamie310382]

Thanks Adnan. The PDA needs to be a stand alone unit as the sensors will be used in remote locations so I can't program on a normal PC/laptop using DAQmx for the NI Wi-fi devices.

I am now going to look into using a third party wireless/bluetooth DAQ card and use the bluetooth VI's to acquire this data on the PDA. Is there anything stopping me from doing it this way?

[AdnanZ]

That should be fine. Bluetooth is supported on PDA, so you should be OK.