Hello,
Thank you for contacting National Instruments.
The 6509 does not support pattern I/O, so you will need to generate a software timed digital waveform. The 6509 also only supports DAQmx.
One basic way to do this is to write an array of booleans to one or more digital lines. I modified one of the shipping examples to do this. In this case, the wait function of the while loop would actually determine the frequency of your output waveform. You will need to go through and add additional elements to the boolean array.
I hope this gets you pointed in the right direction. If you need addition help or have further questions, let me know.
Matthew C
Applications Engineer
National Instruments
