df51_EN.pdf

Frequency Inverter

DF51…

Hardware and Engineering

04/07 AWB8230-1541GB

We keep power under control.

All brand and product names are trademarks or registered

trademarks of the owner concerned.

1 st published 2005, edition date 10/05

2 nd published 2007, edition date 04/07

completely revised

Author: Jörg Randermann

Production: Thomas Kracht

Translation: Dominik Kreuzer

No part of this manual may be reproduced in any form

(printed, photocopy, microfilm or any other process) or processed,

duplicated or distributed by means of electronic systems without

written permission of Moeller GmbH, Bonn.

Subject to alteration without notice.

Warning!

Dangerous electrical voltage!

Before commencing the installation

• Disconnect the power supply of the device.

• Devices that are designed for mounting in housings or control

cabinets must only be operated and controlled after they have

been installed and with the housing closed. Desktop or

portable units must only be operated and controlled in

enclosed housings.

• Ensure that devices cannot be accidentally restarted.

• Verify isolation from the supply.

• Earth and short circuit the device.

• Cover or enclose any adjacent live components.

• Measures should be taken to ensure the proper restart of

programs interrupted after a voltage dip or failure. This should

not cause dangerous operating states even for a short time.

If necessary, emergency-stop devices should be implemented.

• Follow the engineering instructions (AWA) for the

device concerned.

• Only suitably qualified personnel in accordance with

EN 50110-1/-2 (VDE 0 105 Part 100) may work on this

device/system.

• Wherever faults in the automation system may cause injury or

material damage, external measures must be implemented to

ensure a safe operating state in the event of a fault or

malfunction (for example, by means of separate limit switches,

mechanical interlocks etc.).

• Before installation and before touching the device ensure

that you are free of electrostatic charge.

• The functional earth (FE) must be connected to the protective

earth (PE) or the potential equalisation. The system installer is

responsible for implementing this connection.

• Depending on their degree of protection, frequency inverters

may contain live bright metal parts, moving or rotating

components or hot surfaces during and immediately after

operation.

• Connecting cables and signal lines should be installed so

that inductive or capacitive interference does not impair the

automation functions.

• Removal of the required covers, improper installation or

incorrect operation of motor or frequency inverter may cause

the failure of the device and may lead to serious injury or

damage.

• Install automation devices and related operating elements in

such a way that they are well protected against unintentional

operation.

• The applicable national accident prevention and safety

regulations apply to all work carried on live frequency

inverters.

• Suitable safety hardware and software measures should be

implemented for the I/O interface so that an open circuit on the

signal side does not result in undefined states in the

automation devices.

• The electrical installation must be carried out in accordance

with the relevant regulations (e. g. with regard to cable cross

sections, fuses, PE).

• Ensure a reliable electrical isolation of the extra-low voltage of

the 24 V supply. Only use power supply units complying with

IEC 60 364-4-41 (VDE 0 100 Part 410) or HD384.4.41 S2.

• Transport, installation, commissioning and maintenance work

must be carried out only by qualified personnel (IEC 60364,

HD 384 and national occupational safety regulations).

• Deviations of the mains voltage from the rated value must

not exceed the tolerance limits given in the specifications,

otherwise this may cause malfunction and dangerous

operation.

• Installations containing frequency inverters must be provided

with additional monitoring and protective devices in

accordance with the applicable safety regulations.

Modifications to the frequency inverters using the operating

software are permitted.

• Emergency stop devices complying with IEC/EN 60204-1 must

be effective in all operating modes of the automation devices.

Unlatching the emergency-stop devices must not cause a

restart.

• All covers and doors must be kept closed during operation.

• To reduce the hazards for people or equipment, the user must

include in the machine design measures that restrict the

consequences of a malfunction or failure of the drive

(increased motor speed or sudden standstill of motor).

These measures include:

– Other independent devices for monitoring safety-related

variables (speed, travel, end positions etc.).

– Electrical or non-electrical system-wide measures

(electrical or mechanical interlocks).

– Never touch live parts or cable connections of the frequency

inverter after it has been disconnected from the power

supply. Due to the charge in the capacitors, these parts may

still be live after disconnection. Fit appropriate warning

signs.

04/07 AWB8230-1541GB

Contents

About this manual

Abbreviations and symbols

1 About the DF51 series

System overview

Key to part numbers

Rating and nameplate

Inspecting the package content

Layout of the DF51

Features of the frequency inverters

Selection criteria

Proper use

From DF5 to DF51

Service and warranty

2 Engineering

Performance features/Technical data

Connection to power supply

EMC compliance

Motor and circuit type

Braking

PID control

3 Installation

Fitting the DF51

EMC-compliant installation

– Fitting a radio-interference (RFI) filter

– EMC measures in the control panel

– Earthing

– Cable routing

– Screening

Electrical connection

– Connecting the power section

– Connecting a signalling relay

– Connecting the control signal terminals

4 Using the DF51

Operational warnings

Block diagram

Initial starting

– Standard operation, actuation with default settings

– Default functions of output terminals

Keypad

– Menu overview

– Quick parameter selection

– Setting the display parameters

– Examples for changing parameters

– Reference value and control signal input

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