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TTL vs. General Input

Posted by lucast4 
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lucast4
TTL vs. General Input
November 30, 2020 03:20PM
Hi,
If I want to store times of digital inputs, is it recommended to use TTL or General Input?
I will not need to access it during the task.
It is ~40-60hz signal that will not be synchornized with the ML2 frames.
Thanks!
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Jaewon
Re: TTL vs. General Input
November 30, 2020 06:57PM
TTL is for output. You can use either Button or General Input.

Button is for digital input and sampled based on a software clock. General Input is for analog input and uses a hardware clock in the NI board.

They are both sampled at 1 kHz. If 1 kHz is not fast enough, you can try High Frequency.
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