Industry Insights for Wire Exhibition 2024: Servo Motor Cable Shielding
As with many aspects of engineering, the application of motor cable shielding depends on whether shielding is necessary for servo motor cables in practical applications. Wire Exhibition 2024 has learned that in most industrial environments, the answer is affirmative.
Wire Exhibition 2024 has summarized some specific environmental conditions under which servo motors operate to illustrate why shielding is so important.
One of the primary concerns with cable shielding involves electromagnetic interference (EMI). If the operating environment of the servo motor includes EMI sources such as other motors and machinery, radio frequency (RF) devices, or high-voltage cables, shielding can reduce the impact of EMI and RFI on the signal transmission of the servo motor cables.
This all relates to signal integrity and noise resistance. Shielding servo motor cables can help maintain signal integrity by reducing signal attenuation caused by external interference, including EMI. In systems, precise control signals can achieve more accurate positioning and better motion control, enabling fine movements such as pick-and-place operations with robotic arms.
In terms of noise resistance, shielded cables offer better protection compared to their unshielded counterparts because they minimize the impact of external electrical noise on the signals transmitted through the cables. Proper grounding also significantly affects effective shielding; improper grounding can create ground loops, exacerbating EMI issues. This is especially true in industrial environments sensitive to mechanical and other electrical noise, which can even affect signal quality and integrity.
Additionally, EMI protection is bidirectional. While shielding servo motor cables, it also prevents their signals from interfering with nearby equipment.
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