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how to convert the counter input as a RPM

Hello NI,

                      Could you tell me. how to convert the Counter input to the RPM. I am using Rotary encoder has a 5V amplitude with 500 PPR. i am going to measure the Engine speed as a rpm.

I am using third party hardware, from the hardware i can get the Count as well as Frequency also.

 

Could you suggest to me...?  i looked out some disscussion in these forum but i cant able to understand.

can you please explain with simple way....

if you have any simulation send me....

Regards,
Balaji DP
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Hi balaji,


balaji_dp@yahoo.com wrote:

...I am using third party hardware, from the hardware i can get the Count as well as Frequency also.


If you're able to read frequency as X pulses/sec(?) that seems to convert RPM as follows:

X (pulse/sec) * 1/500 (rev/pulse) * 60 (sec/min) = X * 60/500 RPM (???)

 

Cheers!

"Inside every large program is a small program struggling to get out." (attributed to Tony Hoare)
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