Problem of Using LabView 7.1 to open LabView 6.1 File

[KBLee]

Dear all,

  I have upgraded my LabView to 7.1 version. When opening the VI progrom written by 6.1, it showsseveral problem. Write to Digital Port.vi and AI Acquire.VI(can't remember the name clearly) can't find. Do I need to install both LabView(6.1 and 7.1) together inorder to achieve that.

But I am afraid DAQmx support LabView 6.1 function. I am not willing to rewrite the program. Can you teach me what to do?

Thank you

Best Regard

KB Lee

[Dennis_Knutson]

It just sounds like you didn't install the DAQ drivers after you did your upgrade.

[Otis]

Hi KB Lee,

It sounds like Dennis is right on this one.  If those files are missing you most likely did not install the DAQ drivers, or if you did you did not install support for the LabVIEW version that you are using.

Once you install the drivers you should not have a problem running your old programs.

Best of luck,

[KBLee]

Dear Otis and Dennis,

  Thank you for ur help, but I have already install the driver properly.

  I think the problem is 7.1 don't contain all the function with 6.1 have. Do any upgrade program I can download to make 7.1 can support program written by 6.1? Or I need to install 6.1 and 7.1 together?

Best Regard

KB Lee

[Otis]

Hi KB Lee,

Did you make sure to install Traditional DAQ support when you installed the DAQ Drivers? 

One way to check would be to go to Start > Control Panel > Add or Remove Programs > National Instruments Software > Change and look for Traditional NI-DAQ 7.4 (Legacy).  If that is non-existent then definitely reinstall the drivers. 

Another way to check is to see if you have any .llb files in the C:\Program Files\National Instruments\LabVIEW 7.1\vi.lib\Daq folder.  If not, then reinstall the drivers.

Also make sure that you've rebooted the computer after installation.

One of these should prove to be the fix.  If you still find everything where is should be, but it is not finding those files then point LabVIEW to the C:\Program Files\National Instruments\LabVIEW 7.1\vi.lib\Daq folder when it prompts you that it is looking for a VI.

Have fun with it!

[Dennis_Knutson]

The correct and full installation of the drivers that come with 7.1 will include all of the functionality of 6.1. Version 7.1 includes both the new DAQmx and traditional DAQ. You do not need to install 6.1. Try uninstalling DAQ and redo the install.

[KBLee]

I have installed the traditional already. I think the problem is due to the DAQ card don't support the old function of labview6.1.