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← TechnologyWhich failure arises when excessive jitter affects PLC timing?
A)Unpredictable actuator state transitions✓
B)Inaccurate sensor data averaging
C)Overheating of power supply unit
D)Fieldbus network address conflicts
💡 Explanation
Excessive jitter causes unpredictable actuator transitions because asynchronous interrupts overwhelm the PLC's *real-time operating system*. Therefore, the actuator transitions haltingly, rather than incorrect calculations, because jitter affects interrupt processing, not numerical accuracy.
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