Program features 143
The function calculates the speed reference in rpm using the following equation.
The result of the calculation, motor rotational speed (rpm) corresponds to the elevator
nominal speed (m/s) and is shown as the value of parameter 22.05 SPEED
SCALING.
Settings
Parameters Additional information
22.05 SPEED SCALING Shows the motor rotational speed (rpm), which corresponds to the
elevator nominal speed (m/s) defined with parameter 80.01 NOMINAL
SPEED.
80.02 GEAR RATIO Defines the gear box ratio.
80.03 SHEAVE DIAMETER Defines the sheave diameter in millimeters.
80.04 ROPING RATIO Defines the roping ratio.
(Pi · 80.03 SHEAVE DIAMETER (mm))/1000
Speed ref (rpm) = Speed ref (m/s)
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80.02 GEAR RATIO · 80.04 ROPING RATIO · 60