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← TechnologyWhich programming error results when a PLC loses encoder counts during rapid robotic arm movements?
A)Position overshoot and instability✓
B)Spurious emergency stop activation
C)Communication bus synchronization failure
D)Unrecoverable thermal runaway condition
💡 Explanation
Position overshoot occurs because integrated **PID control** will increase motor output to compensate for perceived position deficit reported by the now-faulty encoder readings; therefore, the arm exceeds its commanded position rather than holding steady.
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