Synchronization between c-series AO (9263) and AI (9201) modules

Hi all,

I am working on yynchronization between an AO module (NI 9263) and an AI module (NI 9201). I followed the example below, and it does not working.

http://www.ni.com/tutorial/5376/en/#toc1

Could anyone please give me some hints or suggestion?

Thanks a lot

Elliot