Parameters
M-Max Series Adjustable Frequency Drive MN04020003E—October 2013 www.eaton.com 111
V/Hz-Characteristic Curve, continued
PNU ID
Access
RUN Value/Range Description
Factory Setting
(P1.3)
P11.9 601 X — Carrier frequency 6.0
1.5–16.0 kHz Using a high switching frequency can reduce the magnetization
noise in the motor
The heat dissipation in the inverter (IGBT) increases with higher
switching frequencies
With motor frequencies <5 Hz a higher speed stability can be
achieved at low switching frequencies
Note: As a protection against thermal overload, MMX reduces
the switching frequency automatically if, for example, too high
values are set and with high ambient temperatures and high
load currents
Parameter P11.10 = 1 must be set for operation at a constant
carrier frequency
P11.10 522 X — Sine-wave filter (constant carrier frequency) 0
0 Deactivated
1 Enabled
Note: When using a sinusoidal filter, the carrier frequency must
be constant
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