Prohibited Frequencies (Control Panel: Menu Par -> P11) - Vacon 20 Complete User's Manual

parameter descriptions
9.11 Prohibited Frequencies (Control panel: Menu PAR -> P11)
11.1 P
ROHIBIT FREQUENCY RANGE
11.2 P
ROHIBIT FREQUENCY RANGE
11.3 P
ROHIBIT FREQUENCY RANGE
11.4 P
ROHIBIT FREQUENCY RANGE
Two skip frequency regions are available if there is a need to avoid certain fre-
quencies because of e.g. mechanical resonance. In this case the actual fre-
quency reference sent to the motor control will be kept out of these ranges
according to the example below, where one range is in use.
Actual Reference
High Lim
Low Lim
Figure 9.15: Frequency Range
1: L
OW LIMIT
1: H
IGH LIMIT
2: L
OW LIMIT
2: H
IGH LIMIT
Requested Reference
Low Lim High Lim
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