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← TechnologyWhich servo position deviation during automated conveyor diverter control increases when PLC scan cycle time exceed the PWM update rate?
A)Rotor field weakens drastically
B)Excessive integrator windup emerges✓
C)Encoder resolution degrades notably
D)Motor winding insulation fractures
💡 Explanation
Excessive integrator windup emerges because a slower PLC update rate leads to an accumulation of unapplied control signals acting on the motor; therefore, larger deviations occurs, rather than other issues like field weakening that are consequences of extreme temperature or voltage.
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