synchronize 3 analog outputs and 4 analog inputs

[scarface]

hi,

i have an NI PCI-6259 M series DAQ card and need to somehow generate 3 AO voltage waveforms of different frequencies (about MHz- 100KHz frequencies) which are synchronised and then also aquire the waveform, after undergoing some kind of intereference, through 4 voltage AIs.i also need to start the AI data aquisition clock in synchronisation with the AOs.does anyone have any vi's that could help?i have managed to synchronise 1 AI and 1 AO, but when i try 1 AI and 2 AO's, an error comes up because i am using the write waveform function for both AO's at the same time, which isn't allowed.can anyone help with this?i have attached the vi.

regards

steve

[scarface]

hi,

theres a correction to make here- i didn't mean to say different frequencies.all the AO's will be at the same frequencies.

steve

[scarface]

ignore these last two posts - i have found the solution to this problem.

steve

[Tom.]

Hello Steve,

I've written an example that you could take a look at, it Aquires 4 analouge waveforms and Generates 4 in synchronisation.

Regards,

Tom.
NIUK