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← TechnologyWhich risk increases when thermal drift affects encoders?
A)Positional control-loop instability rises✓
B)Maximum motor torque diminishes rapidly
C)Electromagnetic interference increases significantly
D)Backlash error becomes unresponsive faster
💡 Explanation
Positional control loop instability increases with thermal drift because the encoders send inaccurate angular position data to the PLC, which incorrectly reduces power. Instability is more likely, therefore, because a feedback loop that acts based on falsely perceived servo states, rather than torque reduction or backlash changes.
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