Digitax DBE140 Manuale utente

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www.rgbelektronika.pl

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User Guide

DigitAx

AC Servo Drive

1.4kW to 22kW

Part Number: 0415-0008

Issue Number: 4

General information

The manufacturer accepts no liability for any

consequences resulting from inappropriate,

negligent or incorrect installation or adjustment of

the optional operating parameters of the equipment

or from mismatching the variable speed drive

(Drive) with the motor.

The contents of this User Guide are believed to be

correct at the time of printing. In the interests of a

commitment to a policy of continuous development

and improvement, the manufacturer reserves the

right to change the specification of the product or

its performance, or the contents of the User Guide,

without notice.

be reproduced or transmitted in any form or by any

means, electrical or mechanical including

photocopying, recording or by any information-

storage or retrieval system, without permission in

writing from the publisher.

Important...

Drive software version

This product is supplied with the latest version of

user-interface and machine-control software. If this

product is to be used in a new or existing system

with other DigitAx Drives, there may be some

differences between their software and the

software in this product. These differences may

cause this product to function differently. This may

also apply to Drives returned from a Control

Techniques Service Centre.

If there is any doubt, contact a Control Techniques

Drive Centre.

Use within the European Union, etc

The following information applies where the end use

of the Drive is within the European Union, the

European Economic Area, or other regions which

have implemented Directives of the European

Council or equivalent measures.

The Drive complies with the Low Voltage Directive

73/23/EEC.

The installer is responsible for ensuring that the

equipment into which the Drive is incorporated

complies with all relevant Directives.

The complete equipment into which the Drive is

incorporated must comply with the EMC Directive

89/336/EEC.

If the Drive is incorporated into a machine, the

manufacturer is responsible for ensuring that the

machine complies with the Machinery Directive

98/37/EC. In particular, the electrical equipment

should generally comply with European Harmonised

Standard EN60204-1.

Control Techniques Drives Ltd

Author: RFD

Issue Code: dgxu4

Issue Date: January 1999

S/W Version: V04.XX.XX

DigitAx User Guide

Issue code: dgxu4 i

Contents

1 Introduction 1-1

1.1 Case styles 1-1

1.2 Method of operation 1-2

1.3 How best to use this User Guide 1-2

2 Safety Information 2-1

3 Data 3-1

3.1 Model range 3-1

3.2 Ingress protection (IP and NEMA 1) 3-1

3.3 AC supply 3-1

3.4 Drive output 3-1

3.5 Ambient temperature and humidity 3-1

3.6 Derating 3-1

3.7 Starts per hour 3-1

3.8 PWM switching frequencies 3-1

3.9 Vibration 3-1

3.10 Serial communications 3-2

3.11 Resolver specification 3-2

3.12 Resolver resolution 3-2

3.13 Response times 3-2

3.14 Electromagnetic compatibility (EMC) 3-2

3.15 Frequency accuracy 3-3

3.16 Weights 3-3

3.17 Power ratings 3-3

3.18 Losses and efficiency 3-3

3.19 DC bus choke ratings 3-4

3.20 Dimensions 3-4

4 Mechanical Installation 4-1

4.1 EMC wiring recommendations 4-1

4.2 Planning the installation 4-2

4.3 Environment 4-4

4.4 RFI filters 4-4

4.5 Ferrite absorber ring 4-4

4.6 Ferrite rings 4-5

4.7 Control Keypad 4-5

4.8 Installing an external DC

braking resistor 4-6

4.9 Installing a DC bus choke 4-6

4.10 Heat dissipation in a

sealed enclosure 4-6

4.11 Heat dissipation in a

ventilated enclosure 4-7

4.12 Motor cooling 4-7

5 Electrical Installation 5-1

5.1 Hazardous areas 5-1

5.2 Access to the power connectors 5-1

5.3 EMC wiring recommendations 5-3

5.4 AC supply cables and fuses 5-8

5.5 Ground connections 5-8

5.6 DC bus choke 5-8

5.7 Protecting the Drive with line reactors 5-8

5.8 Connecting an internal or

external braking resistor 5-9

5.9 Example calculations for

a braking resistor 5-12

5.10 Control Keypad connections 5-14

5.11 Signal connections 5-15

DigitAx User Guide

Issue code: dgxu4

6 Control Keypad 6-1

6.1 Models DBE140, DBE220, DBE420,

DBE600, DBE750, DBE1100S 6-1

6.2 Models DBE1500, DBE2200 6-1

6.3 Display and controls 6-1

7 Parameters 7-1

8 Programming Instructions 8-1

8.1 Displaying a parameter 8-1

8.2 Changing a parameter value 8-1

8.3 Saving parameter values 8-1

9 Security 9-1

9.1 Setting up a security code 9-1

9.2 Security access 9-1

9.3 Changing a security code 9-1

10 Getting Started 10-1

10.1 Setting jumpers 10-1

10.2 Setting parameter values 10-1

10.3 Protection parameters 10-2

10.4 PID parameters 10-3

10.5 Speed calibration 10-3

10.6 Resolver phasing 10-4

10.7 Commissioning 10-4

10.8 Calibration 10-5

10.9 Methods of speed control 10-6

10.10 Methods of torque control 10-7

10.11 Methods of position control 10-8

10.12 Quick reference 10-10

10.13 Programmable outputs 10-11

11 List of Parameters 11-1

11.1 Variable parameters 11-1

11.2 Bit parameters 11-5

11.3 Summary of default values 11-11

12 Trip codes and Fault Finding 12-1

12.1 Trip codes 12-1

12.2 Fault finding 12-2

13 Serial Communications 13-1

13.1 Introduction 13-1

13.2 Connecting the Drive 13-1

13.3 Serial communications connector 13-1

13.4 Serial communications configuration 13-1

13.5 Message structure 13-2

13.6 Messages from host to Drive 13-3

13.7 Write data to the Drive 13-3

13.8 Terminal mode 13-4

13.9 Parameters related to serial

communications 13-5

Appendix A PID Loop A1

A.1 Setting the PID gains A-1

A.2 Evaluating the PID gains A-2

A.3 Setting the bandwidth limit A-2

DigitAx User Guide

Issue code: dgxu4 iii

Declaration of Conformity

Control Techniques plc

The Gro

Newtown

Powys

SY16 3BE

DBE140 DBE220 DBE420

DBE600 DBE750 DBE1100S

DBE1500 DBE2200

The DigitAx servo drive products listed above have

been designed and manufactured in accordance

with the following European harmonised, national

and international standards:

EN60249 Base materials for printed circuits

IEC326-1 Printed boards: general information for the

specification writer

IEC326-5 Printed boards: specification for single- and

double-sided printed boards with

plated-through holes

IEC326-6 Printed boards: specification for multilayer

printed boards

IEC664-1 Insulation co-ordination for equipment

within low-voltage systems: principles,

requirements and tests

EN60529 Degrees of protection provided by

enclosures (IP code)

UL94 Flammability rating of plastic materials

UL508C * Standard for industrial control equipment

*Applies to models DBE1500 and DBE2200 only

These products comply with the Low Voltage

Directive 73/23/EEC and the CE Marking Directive

93/68/EEC.

W. Drury

Technical Director

Newtown

Date: 11th November 1998

These electronic Drive products are

intended to be used with an

appropriate motor, controller,

electrical protection components and

other equipment to form a complete

end product or system. The Drive must

be installed only by a professional

assembler who is familiar with the

requirements for safety and

electromagnetic compatibility (EMC).

The assembler is responsible for

ensuring that the end product or

system complies with all the relevant

laws in the country where it is to be

used. This User Guide or the related

EMC Data Sheet should be referred to

for further information on the EMC

standards that the product complies

with, as well as for guidance on

installation.

DigitAx User Guide

Issue code: dgxu4

DigitAx User Guide

Issue code: dgxu4 1-1

1 Introduction

1.1 Case styles

Eight DigitAx models cover the range of power

ratings. There are two styles and three sizes of case

which depend on the power rating of the model.

Size 1 and size 2 cases have ingress protection to IP20;

size 3 case to IP00

The model in the size 1 case is cooled by natural

convection. The models in sizes 2 and 3 cases are fan

cooled.

Figure 1–1 Size 1 case used on models

DBE140, DBE220

Figure 1–2 Size 2 case used on models DBE420,

DBE600, DBE750, DBE1100S

Figure 1–3 Size 3 case used on models

DBE1500, DBE2200

DigitAx User Guide

Issue code: dgxu4

1-2

1.2 Method of operation

Power circuits

The AC supply is rectified and smoothed to apply a

constant voltage on a DC bus. This DC bus supplies a

pulse-width modulated IGBT power stage that

delivers AC power at variable frequency and voltage

to the motor.

Depending on the model, an external DC choke is

required for the DC bus.

In order to enhance the braking capabilities of the

Drive, all but the two most powerful models have an

internal braking resistor, and all models can be used

with an external braking resistor.

When the recommended wiring techniques are used,

the Drive retains EMC compatibility.

Controlling the Drive

Operation of the Drive is controlled by programming

a number of software parameters. These parameters

have default values that enable the Drive to be run

without any initial programming.

The Drives have a Control Keypad which is located on

the front panel of the case. The Control Keypad is

used for the following:

To change parameter values

To stop and start the Drive

To display the operating status of the Drive

An RS485 serial communications port allows the Drive

to be controlled remotely using a host PC or plc.

Warning

Enabling the Drive when zero

speed reference is applied

can sometimes cause the

motor shaft to be rotated in

either direction by up to 10°°.

Even though all DigitAx

Drives are affected in this

way, only a small percentage

cause rotation in excess of

2°°. This effect is caused by

tolerances in the current

sensors.

The effect is usually of no

consequence when the

motor is driving a belt or

gearbox, but may sometimes

cause problems in

applications involving

material held in tension (eg.

film).

If the effect is likely to be

unacceptable for the

application, before installing

the Drive refer to this User

Guide for making just basic

AC power and signal

connections, and test the

Drive for the effect.

If necessary, obtain a

replacement Drive.

1.3 How best to use this

User Guide

This User Guide is arranged logistically: reading from

beginning to end will take you in the correct order

through the basic steps of installing the Drive and

getting it running with a motor.

To make subsequent adjustments to the parameters,

refer to Chapter 11, List of Parameters.

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