using TT-USB with labview

[orchid]

Hi all,

I am new with labview and need your help. I am using Labview 7.1 with vista and USB6009. I am gonna record the EEG signal using TT-USB (Flexcomp Infiniti encoder) and want to display it on the Labview. But, I do not know how to do it. Really need your help.

orchid,

p.s: I had post this thread on the DAQ and Hi Q board,which are not very suitable. So, I post it again in this board. Hopefully you guys can help me.

[hoffiz]

Hi Orchid,

I have a couple of questions for you. I looked at the Flex comp encoder and I can see is a third party acquisition device. Are your intentions to control this device trough VISA or control it using the 6009? I’m not familiar with this device so I’m not sure about its features.  If you can elaborate a little bit more what are you planning on doing. Questions that might help: How do you control the Flex Comp without LabVIEW? What protocol of communication will it use (TCP, serial, USB)? Do you have access to a command set?

If it is through VISA take a look at the next KB and let me know if I’m suggestion the right information: How Can I Communicate With a Device Using NI-VISA USB RAW Mode?, USB Instrument Control Tutorial

Let me know if it helps

[orchid]

Actually I want to control the device using VISA. My propose is to get raw signal from the TT-USB through Labview, then using my own algorithm, I want to extract the signal.

The Flexcomp comes with the sofware which is we can see the signal through the software provided. But, in our project, we want to develop our own algorithm to extract the signal using Labview.It is using TT-USB. I am not sure about the access to a command set.

Yes, your suggestion is very helpful but on my MAX, there is no NI-VISA. I have search at the NI website, and I found out the NI-VISA 4.3 software. Do I need to download the software? Then, what should I do next?

[Albert.Geven]

Hi

If you have LabVIEW installed with the default installation settings, VISA is installed.
So try to use visa from within labview.

Look in max for a serial port that is not available when the TT-usb is not plugged in, and is available when the TT-usb is plugged in.

If it is not showing up as a serial port it has a special usb driver installed and you need info from the hardware vendor to see how to access this.

[Jushilin 181]

hello, i am kai chee...i also using the usb 6008 daq and labview 7.1,can i know more detail about ur project,because i have no idea how to make this EEG signal work leh...tkc6676@hotmail.com

[Albert.Geven]

You should use DAQmx, for the 6008 and then you can read analog voltages.

I don't believe that EEG is possibe without a very good isolated amplifier.

Isolated to prevent the patient from getting electrocuted from your pc!

[Jushilin 181]

ya i know the function of isolated amplifier.....

but we not sure will buy the equiment not, our teacher still consider...

so, wat we have now is the usb 6008 daq only.

if teacher will not buy the equiment , then we have to build ourself.........

the hardware part i dint so  worry,i very worry the softwave part....

can u give me some software support....or any details?

[Albert.Geven]

DAQmx has a lot of examples in LabVIEW

Study them and your teacher will be glad