In a robotic arm operating in a high-EMI environment, which consequence results from common-mode noise?

💡 Explanation

Spurious position readings arise because common-mode noise introduces voltage offsets into differential sensor signals, and this effect is known as a common-mode failure mode for signal conditioning. Therefore, the encoder reports incorrect data, rather than directly affecting the motor or PLC.

• Which outcome occurs when a proportional valve's dither signal fails in a hydraulic control system?
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