WEG CFW501 V1.8X, Programming Manual, Page: 107 / 192

Functions Common to all the Control Modes
CFW501 | 11-13
11
11.5 AVOIDED SPEED
This inverter function prevents the motor from operating permanently at speed values in which, for example, the
mechanical system goes into resonance (causing excessive vibration or noises).
P0303 – Skip Speed 1
P0304 – Skip Speed 2
P0306 – Skip Band
Adjustable
Range:
0 to 18000 rpm Factory
Setting:
P0303 =
600 rpm
P0304 =
900 rpm
P0306 =
0 rpm
Properties:
Description:
The actuation of those parameters is done as presented in Figure 11.10: Actuation of the avoided frequency on
page 11-13 below.
The passage by the avoided speed band (2xP0306) is done through acceleration/deceleration ramp.
Output
speed
Reference
P0304
P
03
04
P0303
P
03
03
2 x P0306
2 x P0306
Figure 11.10: Actuation of the avoided frequency