Danfoss FC 300

NB!
Max. output frequency cannot exceed 10% of the inverter switching frequency (par.
14-01).
4-14 Motor Speed High Limit [Hz]
Range: Function:
Size re-
lated
*
[0 - 1000 Hz] Enter the maximum limit for motor speed. The Motor Speed
High Limit can be set to correspond to the manufacturer’s rec-
ommended maximum frequency of the motor shaft. The Motor
Speed High Limit must exceed the setting in par. 4-12
Motor
Speed Low Limit [Hz]
. Only par. 4-11 or 4-12 will be displayed
depending on other parameters set in the Main Menu and de-
pending on default settings dependant on global geographical
location.
NB!
Max. output frequency cannot exceed 10% of the inverter switching frequency (par.
14-01).
4-16 Torque Limit Motor Mode
Range: Function:
160.0 %
*
[0.0 - Variable Limit
%]
Sets the torque limit for motor operation. The torque limit is
active in the speed range up to the rated motor speed (par.
1-25). To protect the motor from reaching the stalling torque,
the default setting is 1.6 x the rated motor torque (calculated
value). If a setting in par. 1-00 to par. 1-26 is changed, par.
4-16 to 4-18 are not automatically reset to the default settings.
Changing par. 4-16 Torque Limit Motor Mode when par. 1-00 is set to Speed open
loop
[0], par. 1-66 Min Current at Low Speed is automatically readjusted.
FC 300 Programming Guide 2. How to Programme
MG.33.M2.02 - VLT
®
is a registered Danfoss trademark 87
2