Chapter 6: Programming Features
Firmware – S2011 and S3012
Revision: 1 (9/98) 47 © Saftronics, Inc.
6.3.16 Reducing Motor Noise or Leakage Current (n050)
Sets Inverter output transistor switching frequency (carrier frequency).
Setting Carrier Frequency (kHz)
Metallic Noise from
Motor
Noise and Current
Leakage
1 2.5 Higher Smaller
2 5.0
3 8.0
4 10.0
5 12.5
6 15.0 Not audible Larger
Figure 35 Custom Setting of Carrier Frequency Patterns
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