Lenze 8250 Series Manuale utente

EDB8250EN

!PM8

Operating Instructions

Brake unit

8250 series

-UG +UG RB1 RB2 PE

(T1) (T2)

Ä!PM8ä

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These Operating Instructions are valid for brake units with the following nameplate

data:

825X E. 0x (8251 - 8253)

In connection with the unit series as from the nameplate data:

820X E. 0x. 0x. (8201 - 8204)

821X E. 0x. 0x. (8211 - 8218)

Type

Design:

E = Enclosure IP20

IB = Module

Hardware level and index

Software level and index

Variant

Explanation

revised

Edition of: 10/1996 01/1997 09/2003

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-UG +UG RB1 RB2 PE

(T1) (T2)

Pos. Name/

Meaning

Note

-UG +UG RB1 RB2 PE

(T1) (T2)

1Brake unit D8251/8252 brake module

D8253 brake chopper

-UG +UG RB1 RB2 PE

(T1) (T2)

2LED Display of the operating state

Dgreen:

flashing, when voltage is

applied to terminals +UG,-U

Dyellow:

- flashing, when brake unit is

in braking operation

- Display of faults:

see chapter 6, page 6-1

-UG +UG RB1 RB2 PE

(T1) (T2)

3Connections DVoltage link:

+UG,-U

only 8251/8252 brake module:

DThermostat: T1, T2

only 8253 brake chopper:

DBrake resistor: RB1, RB2

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Safety and application notes

for controllers

(according to: Low-Voltage Directive 73/23/EEC)

1. General

During operation, drive controllers may have, according to their type of protection, live,

bare, in some cases also movable or rotating parts as well as hot surfaces.

Unauthorized removal of the required cover, inappropriate use, incorrect installation or

operation, creates the risk of severe personal injury or damage to material assets.

Further information can be obtained from the documentation.

All operations concerning transport, installation, and commissioning as well as

maintenance must be carried out by qualified, skilled personnel (IEC 364 and CENELEC

HD 384 or DIN VDE 0100 and IEC report 664 or DIN VDE 0110 and national regulations

for the prevention of accidents must be observed).

Qualified skilled personnel according to this basic safety information are persons who are

familiar with the erection, assembly, commissioning, and operation of the product and

who have the qualifications necessary for their occupation.

2. Application as directed

Drive controllers are components which are designed for installation in electrical systems

or machinery.

When installing in machines, commissioning of the drive controllers (i.e. the starting of

operation as directed) is prohibited until it is proven that the machine corresponds to the

regulations of the EC Directive 89/392/EWG (Machinery Directive); EN 60204 must be

observed.

Commissioning (i.e. starting of operation as directed) is only allowed when there is

compliance with the EMC Directive (89/336/EWG).

The drive controllers meet the requirements of the Low-Voltage Directive 73/23/EWG. The

harmonized standards of the prEN 50178/ DIN VDE 0160 series together with EN

60439-1/DIN VDE 0660 part 500 and EN 60146/DIN VDE 0558 are applicable to drive

controllers.

The technical data and information on the connection conditions must be obtained from

the nameplate and the documentation and must be observed in all cases.

3. Transport, storage

Notes on transport, storage and appropriate handling must be observed.

Climatic conditions must be observed according to prEN 50178.

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4. Erection

The devices must erected and cooled according to the regulations of the corresponding

documentation.

The drive controllers must be protected from inappropriate loads. Particularly during

transport and handling, components must not be bent and/or isolating distances must not

be changed. Touching of electronic components and contacts must be avoided.

Drive controllers contain electrostatically sensitive components which can easily be

damaged by inappropriate handling.Electrical components must not be damaged or

destroyed mechanically (health risks are possible!).

5. Electrical connection

When working on live drive controllers the valid national regulations for the prevention of

accidents (e.g. VBG 4) must be observed.

The electrical installation must be carried out according to the appropriate regulations

(e.g. cable cross-sections, fuses, PE connection). More detailed information is included

in the documentation.

Notes concerning the installation in compliance with EMC - such as screening, grounding,

arrangement of filters and laying of cables - are included in the documentation of the drive

controllers.These notes must also be observed in all cases for drive controllers with the

CE mark. The compliance with the required limit values demanded by the EMC legislation

is in the responsibility of the manufacturer of the system or machine.

6. Operation

Systems where drive controllers are installed must be equipped, if necessary, with

additional monitoring and protective devices according to the valid safety regulations, e.g.

law on technical tools, regulations for the prevention of accidents, etc. Modifications of

the drive controllers by the operating software are allowed.

After disconnecting the drive controllers from the supply voltage, live parts of the

controller and power connections must not be touched immediately, because of possibly

charged capacitors. For this, observe the corresponding labels on the drive controllers.

During operation, all covers and doors must be closed.

7. Maintenance and servicing

The manufacturer’s documentation must be observed.

This safety information must be preserved!

The product-specific safety and application notes in these operating instructions must

also be observed!

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Contents

8250BA0903 i

1 Preface and general information 1-1.................

1.1 About these Operating Instructions ... 1-1.....................

1.1.1 Terminology used 1-1............................

1.1.2 What is new? 1-1...............................

1.2 Scope of delivery 1-2...................................

1.3 825X brake units 1-2...................................

1.3.1 Labelling 1-2..................................

1.3.2 Application as directed 1-3........................

1.3.3 Legal regulations 1-4............................

2 Safety information 2-1............................

2.1 Personnel responsible for safety 2-1.........................

2.2 General safety information 2-2.............................

2.3 Layout of the safety information 2-3.........................

2.4 Residual hazards 2-4...................................

3 Technical data 3-1...............................

3.1 Features 3-1.........................................

3.2 General data /operating conditions 3-2.......................

3.3 Rated data 3-3........................................

3.3.1 Brake units 3-3.................................

3.3.2 Assignment table for brake resistors 3-3...............

3.3.3 Overcurrent relay and cable cross-sections 3-4..........

3.4 Dimensions 3-4.......................................

4 Installation 4-1..................................

4.1 Mechanical installation 4-1...............................

4.1.1 Important notes 4-1.............................

4.1.2 Standard assembly with fixing rail 4-2................

4.1.3 DIN-rail assembly 4-3............................

4.2 Electrical installation 4-4.................................

4.2.1 Operator’s safety 4-4.............................

4.2.2 Protection of the brake unit 4-5.....................

4.2.3 Specification of cables used 4-5....................

4.3 Connection 4-6........................................

4.3.1 Power connection 4-6............................

4.3.2 8251 brake module on 820X controller 4-7.............

4.3.3 8252 brake module on 821X controller 4-8.............

4.3.4 8253 brake chopper on 821X controller 4-9............

4.3.5 Connect temperature monitoring 4-10.................

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Contents

ii 8250BA0903

5 Commissioning 5-1..............................

6 Troubleshooting and fault elimination 6-1............

7 Waste disposal 7-1..............................

8 Supplement 8-1.................................

8.1 Accessories 8-1.......................................

8.1.1 Brake resistors 8-1.............................

8.2 Glossary 8-3.........................................

8.3 Index 8-4............................................

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Preface and general information

8250BA0903 1-1

1 Preface and general information

1.1 About these Operating Instructions ...

•The present Operating Instructions are used for operations

concerning safety measures on and with the 825X brake

units. They contain safety information which must be

observed.

•All persons who work on and with 825X brake units must

have the Operating Instructions available and observe all

relevant notes and instructions.

•The Operating Instructions must always be in a complete

and perfectly readable state.

1.1.1 Terminology used

Brake unit

The ”8251 brake module”, the ”8252 brake module” or the ” 8253

brake chopper with brake resistor” are called ”brake unit” in the

following text.

Controller

In the following text, the term ”controller” is used for ”82XX

frequency inverter”.

Drive system

For drive systems with 825X brake units and other Lenze drive

components, the term ”drive system” is used in the following

text.

1.1.2 What is new?

Material No. Edition Important Contents

393658

12/1996 1st edition

01/1997 revised •Technical data

•Chapter 4.3

474423 09/2003 replaces

393658

•Change of company name

•Chapter 8

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Preface and general information

1-2 8250BA0903

1.2 Scope of delivery

•The scope of delivery includes:

- 1 8251 brake module, 1 8252 brake module or 1 8253

brake chopper

-1push-onterminalstrip

- 1 accessory kit with fixing material

- 1 book of Operating Instructions

•After reception of the delivery, check immediately whether

the scope of supply matches the accompanying papers.

Lenze does not accept any liability for deficiencies claimed

subsequently. Claim

- visible transport damage immediately to the forwarder.

- visible deficiencies/incompleteness immediately to your

Lenze representative.

1.3 825X brake units

1.3.1 Labelling

•Lenze 825X brake units are clearly identified by the

indications on the nameplate.

•CE mark

- Conformity with the EC Low-Voltage Directive

•Manufacturer:

- Lenze Drive Systems GmbH

Postfach 10 13 52

D-31763 Hameln

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Preface and general information

8250BA0903 1-3

1.3.2 Application as directed

8251 brake modules

•Additional units for Lenze controllers:

- 820X frequency inverters (8201 to 8204)

8252 brake modules and 8253 brake choppers

•Additional units for Lenze controllers:

- 821X frequency inverters (8211 to 8218)

825X brake units

•Operate the brake units only under the conditions

prescribed in these Operating Instructions.

•They are components

- for installation in a machine

- for assembly with other components to form a machine.

•They are electrical equipment for installation into control

cabinets or similar closed operating rooms.

•They meet the protection requirements of the EC Low-

Voltage Directive.

•They are not machinery in the sense of the EC Machinery

Directive.

•They are not household appliances but are intended

exclusively as components for further commercial use.

Drive systems with 825X brake units

•They correspond to the EC Electromagnetic Compatibility

Directive if they are installed according to the guidelines of

CE-typical drive systems.

•They can be operated

- on public and non-public mains.

- in industrial as well as residential and commercial

premises.

•The compliance with the EC Directives in machine

application is in the responsibility of the user.

Any other use shall be deemed inappropriate!

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