Danfoss VLT PROFINET MCA 120 설치 매뉴얼 - 페이지 2

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Danfoss VLT PROFINET MCA 120에 대해서도 마찬가지입니다: 설치 매뉴얼 (18 페이지)

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Installation Guide | VLT® PROFINET MCA 120

2 Safety

2.1 Safety Precautions

DISCHARGE TIME

The drive contains DC-link capacitors, which can remain charged even when the drive is not powered. High voltage can be

present even when the warning indicator lights are off.

Failure to wait the specified time after power has been removed before performing service or repair work could result in death

or serious injury.

Stop the motor.

Disconnect AC mains, permanent magnet type motors, and remote DC-link supplies, including battery back-ups, UPS, and

DC-link connections to other drives.

Wait for the capacitors to discharge fully. The minimum waiting time is specified in table Discharge time and is also visible

on the nameplate on top of the drive.

Before performing any service or repair work, use an appropriate voltage measuring device to make sure that the capacitors

are fully discharged.

Table 1: Discharge Time

Voltage [V]

Power range [kW (hp)]

380–480

90–315 kW (125–450 hp)

W A R N I N G

Minimum waiting time (minutes)

AN274237376992en-000101 / 130R0856

Safety