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Use NI USB-6211 to count TTL rising edge

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Hello,

 

I am new to NI-DAQ cards, and so before buying anything would like to know if it is possible to use a NI USB-6211 device

to count and bin rising edges of an TTL signal.

 

What I want to do is count how many rising edges of an TTL signal I get in a period of 1ms; a sampling rate of 20 Mhz should be fine.

 

I would like to use Matlab to control and read from the USB-6211 the number of counted edges as well as in the meantime write and read additional digital I/O ports.

 

Is it maybe possible to let the external TTL signal trigger one of the 6211 counters, an then periodically ( after 1ms ) output and reset its counter value?

 

Is that possible, and if so, is it a good idea?

 

Thank you and regards,

Manuel


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