Programming and Parameters 3-27
PowerFlex 4M Adjustable Frequency Drive FRN 1.xx - 2.xx User Manual
Publication 22F-UM001D-EN-E
Advanced Program Group (continued)
A446 [PWM Frequency]
Sets the carrier frequency for the PWM output waveform. The chart below provides derating
guidelines based on the PWM frequency setting.
Important: I
gnoring derating guidelines can cause reduced drive performance.
Values Default 4.0 kHz
Min/Max: 2.0/10.0 kHz
Display: 0.1 kHz
% Output Curent (A)
68
84
88
80
76
96
100
92
72
64
60
56
52
Carrier Frequency (kHz)
8
7
6
54321109
A448 [SW Current Trip] Related Parameter(s): P103
Enables/disables a software instantaneous (within 100 ms) current trip.
Values Default 0.0 (Disabled)
Min/Max: 0.0/(Drive Rated Amps × 2)
Display: 0.1 Amps
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