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Installation Guide | 1000 Hz Control Card MK-I

2 Safety

2.1 Qualified Personnel

Correct and reliable transport, storage, installation, operation, and maintenance are required for the trouble-free and safe operation of

the drive. Only qualified personnel are allowed to install and operate this equipment.

Qualified personnel are defined as trained staff, who are authorized to install, commission, and maintain equipment, systems, and

circuits in accordance with pertinent laws and regulations. Also, the qualified personnel must be familiar with the instructions and

safety measures described in this manual.

2.2 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 the 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

Minimum waiting time (minutes)

200–240 V

380–500 V

400 V

500 V

W A R N I N G

0.25–3.7 kW

–

(0.34–5 hp)

0.25–7.5 kW

–

(0.34–10 hp)

–

5.5–37 kW

–

(7.5–50 hp)

11–75 kW

90–200 kW

(15–100 hp)

(150–350 hp)

–

90–315 kW

(125–450 hp)

–

110–355 kW

(150–450 hp)

–

250–500 kW

250–800 kW

(450–750 hp)

(450–1350 hp)

315–500 kW

(500–750 hp)

–

AN281754171207en-000101 / 130R0878

Safety