python DAQmx Trigger an output response with an input signal

[22buzz22]

Hi everybody,

I'm using a NI-6251 board with a GUI python.

I want to send data on output channel on each falling edge of an input signal when I click on a start button.

The level of the output signal can be 0/1 (0v/5v).

The input signal square frequency is 2MHz during 50 tops (see the attached file for further informations).

I don't know if it is better to use Analog input or counter input for the input signal. I think I must define a timing signal at 10MHz frequency.

I have tried more solutions with bad results.

Does somebody have answers to my problem?

Thanks in advance.

[Mathieu_T]

Hi 22buzz22,

I think you should try this example.

It uses a counter for output generation, trigged by your input signal physically wired on a PFI (name this PFI in the "Source" field).

Open it, try it and tell me if it matches your request.

Regards,

 

[22buzz22 · Accepted solution]

Thanks for your answer.

It works.....

[tkterot]

Dear Mathieu,

I cannot open the link you posted. It gives a message "You do not have access to view this page or to perform this action." although I'm signed in.

Thanks!