continuous triggered data acquisition (high speed)

[internal clock configuration]

I got Labview 7.1 lately, and i'm trying to programm my 6533 (32 channel DIO) to do the following:

      notes: the data is sent to the DAQ card

acquire 16 bit (2 ports) data continuously.

[Stuart_R]

Do you want the acquisition to be triggered once externally and then continuously read data until a stop button is pressed or similar?

There should be some examples that ship with the driver, or available from the Dev Zone, I found one example of how to synchronise a DIO acquisition and generation, this should be a good starting point as you can strip out the generation and synch code.

If you could be more specific and tell us what you have tried, I'll try and help you further.

[internal clock configuration]

Thanks,

the question was not complete or clear (sorry). I want the program to read 16-bits (2 ports) once when the trigger signal (REQ1) is high.

the trigger signal is repeated at 100kHz. technically, the software should detect the trigger signal even though that signal is repeated in a very high speed.

[Stuart_R]

Is the trigger in the form of a clock then? For example is it just a pulse train running at a fixed frequency and on a rising (or falling) edge, the read is triggered?

If so, is there a strobe input or simlar you could use for this signal?

[internal clock configuration]

no the frequency is not fixed.

i guess i'll just read the data continuously and develop a mathematical formula to locate each signal without waiting for the trigger. Thanks.