Rockwell Automation 284 ArmorStart User Manual - Manual (Page 218)

6-44 Bulletin 284 Programmable Parameters for Sensorless Vector Controllers
Figure 6.4 Overload Trip Curves
Figure 6.5
Motor OL Select
Drive provides Class 10 motor overload protection. Setting 0…2 select the derating
factor for I
2
t overload function.
0 = No Derate
1 = Min. Derate
2 = Max. Derate
Parameter Number 190
Related Parameters 132, 133
Access Rule GET/SET
Data Type UINT
Group Advanced Program Group
Units 1
Minimum Value 0
Maximum Value 2
Default Value 0
% of P132 (Motor NP Hertz) % of P132 (Motor NP Hertz) % of P132 (Motor NP Hertz) % of P133 (Motor OL Current) % of P133 (Motor OL Current) % of P133 (Motor OL Current)
PWM Frequency
Sets the carrier frequency the PWM output waveform. The Figure 6.5 provides
derating guidelines based on the PWM frequency setting. Parameter Number 191
Related Parameters 224
Access Rule GET/SET
Data Type UINT
Group Advanced Program Group
Units 0.l Hz
Minimum Value 2.0 Hz
Maximum Value 16.0 Hz
Default Value 4.0 Hz