Rockwell Automation 1305 AC Drive, Firmware 1.01-3.00 User Manual - Manual (Page 87)

Chapter 5 – Programming
5-19
Advanced Set Up Group (cont.)
[PWM Frequency] Parameter # 45 Factory Default 4.0 kHz [PWM Frequency]
Parameter Type Read & Write Minimum 2.0 kHz
This parameter sets the carrier frequency for the PWM
output waveform. IMPORTANT: Output Current derating
applies above 4kHz. See Fig. 5-11. Units 0.1 kHz Maximum 8.0 kHz
Figure 5.11 PWM Frequency Derating
1 2 3 4 5 6 7 8
84
86
88
90
92
94
96
98
100
% Output Current (A)
Carrier Frequency, kHz
IMPORTANT: Ignoring derating guidelines can
cause reduced drive performance.