ABB FPBA-01 Handbuch PDF herunterladen (Seite 9)

Introduction to the manual

What this chapter contains

This chapter describes the target audience, purpose and contents of this manual.

Applicability

The manual is compatible with ACSM1-04 and ACSM1-04LC drive modules of frame

sizes from A to E.

Safety instructions

Follow the safety instruction given in ACSM1-04 Drive Modules (0.75 to 45 kW)

Hardware Manual (3AFE68797543 [English]). The main instructions are repeated

below.

WARNING! Ignoring the following instructions can cause physical injury or death, or

damage to the equipment.

•

Only qualified electricians are allowed to install and maintain the drive.

•

Never work on the drive, motor cable or motor when main power is applied.

After disconnecting the input power, always wait for 5 min to let the intermediate

circuit capacitors discharge before you start working on the drive, motor or

motor cable.

Always ensure by measuring with a multimeter (impedance at least 1 Mohm)

that:

1. voltage between drive input phases U1, V1 and W1 and the frame is close to

0V.

2. voltage between terminals UDC+ and UDC- and the frame is close to 0 V.

3. voltage between terminals R+ and R- and the frame is close to 0 V.

•

Do not work on the drive when the permanent magnet motor is rotating. Also,

when the supply power is switched off and the inverter is stopped, a rotating

permanent magnet motor feeds power to the intermediate circuit of the drive

and the supply connections become live. See the hardware manual for

precautions before installation and maintenance work on the drive.

•

Do not work on the control cables when power is applied to the drive or to the

external control circuits. Externally supplied control circuits may cause

dangerous voltages inside the drive even when the main power on the drive is

switched off.

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ABB FPBA-01 Handbuch Seite 9