Siemens PERFECT HARMONY GENIII/E Series - Page 67

Perfect Harmony GENIII/e User’s Manual The Keypad and Display Interface
A1A19000405A: Version 1.3 3-31
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Figure 3-22: Critical Speed (Resonance Avoidance) Parameters
Min
Skip Freq 1
Skip Freq 2
Skip Freq 3
Max
RPM = 120 x Freq/# of Poles
Freq = RPM x (# of Poles)/120
Skip Band 1
Skip Band 2
Skip Band 3
0% 100%
Controller
Output
(% Demand)