obtaining encoder counts after 2ms

[Leroy]

I need to obtain the velocity of the wheels which is attached to a rotary encoder. Currently i am using the DAQ6024e card.

i set my encoder to initial count of 1000000 and i want to read the counts after every 2ms.

I know how to obtain the counts from the encoder but how do i read the counts after every 2ms?

can someone advise me on how to program to read the encoder counts after every 2 ms?

By taking the difference in the counts every 2ms, i will be able to obtain the velocity by dividing the counts by 2ms.

can someone kindly advise?

regards,

Leroy

[stew j]

the only accurate way i know of doing this is to use a counter to time your acquisition. however there are only 2 counters on the 6024e. you should only be using one of them. so you should be able to use one counter to trigger acquisition every 2ms.