Control Loop from Task

[Richar]

Hi Everybody,

I have Some problem about"DAQmx Creat Time source",Please Help me:(

I want to build "PID Contrl"in normal PC(PCI 6221,XP system).There is a example in NI Example "PID Control-Control Loop from Task.vi"

It's all right running in the LV.But it reported error code "-805"when i Compiled the example.  

"DAQmx Creat Time source"doesnt support 6221?:(