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T10FS
7.6 Vibration suppression (hysteresis)
Low rotation speeds and higher relative vibrations between the rotor and the
stator can cause disturbance signals that reverse the direction of rotation.
Electronic suppression (hysteresis) to eliminate these disturbances is
connected at the factory. Disturbances caused by the radial stator vibration
amplitude and by the torsional vibration of the rotor are suppressed.
Vibration suppression
Radial vibration amplitude of stator, approx.
Torsional vibration of rotor, approx.
Fig. 7.9: Switch for switching off hysteresis
A0785 14.0 en
mm
deg.
Switch S5
Speed measuring system
magnetic
1
1
Hysteresis
Off
On
S5
51
optical
2
2
HBM
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