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Which 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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