Question about the DAQ pulse (TTL) output

[kelisuccess]

Hi Everyone, 

My situation is like this: I want to trigger a new pulse (or TTL) signal based on a boolean signal change. The boolean signal comes from the trigger detection from an Analog input signal from sensor, and the length of trigger detection boolean change is pretty short I think.

After the trigger been detected, I want to generate a new pulse signal (signal length can be adjustable) to trigger another device. What is the best way to generate a TTL signal? By using the Analog or digital output?

And since I created a file in the attachment, and seems like it doesn't works for analog output. Is there a better way to do this?

The NI board is NI USB 6221.

Thanks

[JÞB]

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@kelisuccess wrote:

Hi Everyone, 

My situation is like this: I want to trigger a new pulse (or TTL) signal based on a boolean signal change. 

After the trigger been detected, I want to generate a new pulse signal (signal length can be adjustable) to trigger another device. What is the best way to generate a TTL signal? By using the Analog or digital output?

The NI board is NI USB 6221.

Thanks

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Neither, the USB 6221 has a counter.  Use it instead.