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Which risk increases when a ladder robot's PLC exceeds cycle-time?

A)Inaccurate joint angle calculation
B)Encoder signal aliasing occurrence
C)Servomotor armature demagnetization begins
D)Inverse kinematic solution oscillation

💡 Explanation

Inaccurate joint angle calculations increase if PLC cycle time is violated because the feedback loop sampling falls below the Nyquist rate. Therefore, the robot's joint position reads incorrectly, rather than signal aliasing affecting the encoder directly or causing armature demagnetization.

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