The rotor produces 80 pulses per 10 revolutions(or 8 pulses per 1 revolution).
I confirm you herewith that on the Mast there is a sensor 0,5 Volt - 8 pulses per rpm with 3 poles:
input,
ground,
signal.
Rotor RPM
Max 104%/540RPM
Min 96%/480RPM
for max 5": 110%/550RPM=red upper line...