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Extract from the FFT header the number of samples per revolution and the
encoded RPM (RPMe) values.
samples_per_rev = the first byte of the SamplePeriodInSec value
RPMe = the last three bytes of the SamplePeriodInSec value
Calculate the FMAX, in orders, as follows:
Calculate the FMAX, in Hz, as follows:
Rockwell Automation Publication 1444-UM001D-EN-P - June 2018
(Nr - 1)* samples per rev
FMAX (orders) =
FMAX (orders) * RPMe * 100
FMAX (Hz) =
CIP Objects
Appendix A
2.56* Nc
60
337
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