Wiring
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● To prevent electric shocks, ground the grounding terminal properly. Observe
related national or regional regulations during wiring.
● To prevent electric shocks, ensure the protective grounding conductor complies
with technical specifications and local safety standards. Keep the length of the
grounding cable as short as possible. As the leakage current of the equipment may
exceed 3.5 mA, use a copper protective grounding conductor with a cross‑
sectional area of at least 10 mm
2
according to standard EN 61800‑5‑1, or use two
protective grounding conductors with the same specification.
● Use a grounding cable that complies with electrical device technical standards
and keep the length of the grounding cable as short as possible. Failure to comply
will lead to unstable potential in the grounding terminals away from the
grounding point due to leakage current, resulting in an electric shock.
● For use of multiple drives, observe all the grounding instructions for the drive.
Improper grounding of the device will lead to malfunction of the drive and the
device.
● Do not share the same grounding cable with other devices (such as welding
machines or high‑current electrical devices). Improper grounding of the device will
lead to drive or device faults caused by electrical interference.
● For use of multiple drives, observe all the grounding instructions for the drive.
Improper grounding of the device will lead to malfunction of the drive and the
device.
● For drives equipped with optional VDR grounding screws, remove the grounding
screw before voltage resistance test. Failure to comply may cause the drive to fail
the test.
Grounding requirements
Observe the following requirements to ensure a proper grounding of the drive.
● The protective grounding conductor must be a yellow/green copper conductor. Do
not connect the protective grounding conductor to a switching device (such as a
circuit breaker) in serial.
● Ground the grounding terminal properly. Improper grounding will lead to
equipment malfunction or damage.
● Do not connect the grounding terminal to the N terminal of the neutral wire of the
power supply.
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