3-74
Engineering Guide CDA3000
3  Selection of inverter module
In this case, too, all the motor control methods are set up automatically by
initial commissioning. In addition, the max. output frequency needs to be
set to 70 Hz in the “Output frequency limitation” software function.
3. Comparison of gear output torques in drive designs with 
50 Hz and 70 Hz characteristic.
Figure 3.34 Comparison of gear output torque in a drive design for 50 and 
70 Hz
Curve
50 Hz
Curve
70 Hz
Explanation
12
Typical permissible torque characteristic of an  internally 
cooled standard motor (1.5 kW)
34
Typical permissible torque characteristic of an  externally 
cooled standard motor (1.5 kW)
56
Maximum attainable torque for 60 s of a drive with 1.5 times 
overload and automatic load compensation
Table 3.35 Comparison of gear output torque in a drive design for 50 and 
70 Hz