Electrical Design Guide
‑23‑
Figure 3‑3 Connection of the magnetic ring
Figure 3‑4 Connection of the magnetic buckle
Installing a braking resistor
When the motor torque direction is opposite to the direction of rotation, the energy is
fed back to the servo drive from the motor side, leading to bus voltage rise. Once the
bus voltage rises to the braking threshold, the excessive energy must be consumed by
a regenerative resistor. Otherwise, the servo drive will be damaged. The regenerative
resistor can be a built‑in or an external one. However, a built‑in regenerative resistor
cannot be used together with an external one.
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