converting from array to waveform

[phuech]

Hi,

I'm trying to create a single pulse waveform by utilising the pulse pattern VI. I then use "build waveform" to try and ensure the pulse has a real timebase (it will eventually be output to an  AO card). This works fine until I try and specify a dt. As soon as I do this labview complains about a bad connection in the build waveform VI. What am I doing wrong?

Simon

[Dennis_Knutson]

It would depend on what you have wired to the dt input. It should be a DBL.

[phuech]

Thats the thing, it won't accept any data type! As soon as i expand the build waveform VI, the play program button shows an error and won't even attempt to run the program.

[Dennis_Knutson]

That's expected behavior. Because the inputs are required, you will get a broken arrow until you wire something up. That's no different than putting something like a case statement on the diagram. the VI is broken until you wire something to the selector.

[phuech]

Thanks a lot guys, just a simple newbie error it was in the end. The whole program is working now, the issue was a the wrong data type after all. Thanks again