Precautions for the use of Yaskawa servo drives

Create Date: 2024-8-30 12:03:23|Source: YASKAWA/Yaskawa

Precautions for driver grounding in the Yaskawa servo drive manual

1. The correct shield grounding point is at the reference potential inside the circuit, which depends on the noise source and reception

Whether it is grounded at the same time, or floating.

2. Make sure that the shield is grounded at the same point so that the ground current will not flow through the shield.

3. Avoid the ground loop generated by a variety of connection methods to the earth is easily affected by noise and generate current at different reference points.

4. In the case that there is no isolation between the AC power supply and the DC bus of the driver, the non-isolated port or non-isolated signal of the DC bus cannot be connected to the ground, which will lead to equipment damage and personnel injury.

5. Avoid the servo drive being connected to the ground of the external power supply, which will directly affect the work of the controller and the driver.

6. The common voltage of AC is not to the ground, and there may be a high voltage between the DC bus and the earth, and it is forbidden to directly connect to the ground.

7. In the servo system, the common ground and the earth must be connected together at the signal end.

8. In order to keep the command reference voltage constant, the signal of the servo drive should be connected to the signal ground of the controller.
Precautions for the use of Yaskawa servo drives

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