Control Techniques UD53 Manual de usuario

User Guide

UD53UD53

Resolver interface

small option module

for Unidrive

Part Number: 0460-0040

Issue Number: 3

General Information

The manufacturer accepts no liability for any consequences resulting from

inappropriate, negligent or incorrect installation or adjustment of the

operating parameters of the equipment or from mismatching the Drive

with the motor.

The contents of this 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 this Guide, without notice.

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.

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 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

89/392/EEC. In particular, the electrical equipment should generally

comply with European Harmonised standard EN60204-1.

Author: RFD

Issue Code: 53nu3

Issue Date: July 1999

UD53 User Guide

Issue code: 53nu3

Contents

Chapter

1 Introduction 1

1.1 Main features of the UD53 1

2 Safety Information 2

3 Installing the UD53 5

4 Making Connections 7

4.1 Locations of the terminals 7

4.2 Functions of the terminals 8

5 Setting Up the UD53 10

5.1 Initial setting up 10

5.2 Phase offset 10

5.3 Change in feedback resolution with change

of maximum speed 12

5.4 Simulated-encoder outputs (terminals 40, 41, 43, 44) 12

5.5 Z marker-pulse outputs (terminals 46, 47) 14

6 Related Parameters 16

6.1 Introduction 16

6.2 Programmable software 16

6.3 Parameter descriptions 18

Appendix

A Specifications A-1

B Aligning the Resolver Mechanically B-1

C Diagnostics C-1

D Operation of a Resolver D-1

UD53 User Guide

Issue code: 53nu3

UD53 User Guide

Issue code: 53nu3

1 Introduction

1.1 Main features of the UD53

Applications The UD53 Resolver small option module is an interface module for

installation in a Unidrive. The UD53 operates with resolvers having the

following specifications:

Input impedance: >85Ωat 6kHz

Turns ratio (primary:secondary): 3:1 or 2:1

Excitation voltage: 6VRMS or 4VRMS

The Drive must be operating in the Closed-loop Vector or Closed-loop

Servo mode; the resolver connected to the UD53 is used for speed and

position feedback.

Simulated

encoder

outputs

The simulated-encoder outputs produce quadrature AB signals

corresponding to the line counts from the source encoder. Alternatively,

these outputs can be configured for frequency and direction (F/D) signals.

In both cases, the outputs retain position infomation when direction is

changed.

By default, the resolver is used as the source for the simulated-encoder

outputs; alternatively, the main encoder (Encoder 1) connected to the

15-way D-type on the Drive can be used as the source.

The number of pulses per revolution can be scaled by factors of 2.

Installation The UD53 must be fitted in the small option module bay of the Unidrive.

All connections to the Drive are made by a multi-way connector.

Connections from external equipment are made by a plug-in 16-way

screw-terminal block on the UD53.

UD53 User Guide

Issue code: 53nu3

2 Safety Information

2.1 Warnings, Cautions and Notes

A Warning contains information which is essential for avoiding a safety

hazard.

A Caution contains information which is necessary for avoiding a risk of

damage to the product or other equipment.

A Note contains information which helps to ensure correct operation of the

product.

2.2 Electrical safety –

general warning

The voltages used in the Drive can cause severe electric shock and/or burns,

and could be lethal. Extreme care is necessary at all times when working

with or adjacent to the Drive.

Specific warnings are given at the relevant places in this User Guide.

The installation must comply with all relevant safety legislation in the

country of use.

The Drive contains capacitors that remain charged to a potentially lethal

voltage after the AC supply has been disconnected. If the Drive has been

energized, the AC supply must be isolated at least ten minutes before work

may continue.

2.3 System design

The Drive is intended as a component for professional incorporation into

complete equipment or systems. If installed incorrectly the Drive may

present a safety hazard. The Drive uses high voltages and currents, carries

a high level of stored electrical energy, and is used to control mechanical

equipment which can cause injury.

Close attention is required to the electrical installation and the system-

design to avoid hazards either in normal operation or in the event of

equipment malfunction. System-design, installation, commissioning and

maintenance must be carried out by personnel who have the necessary

training and experience. They must read this safety information and this

User Guide carefully.

To ensure mechanical safety, additional safety devices such as

electro-mechanical interlocks may be required. The Drive must not be used

in a safety-critical application without additional high-integrity protection

against hazards arising from a malfunction.

UD53 User Guide

Issue code: 53nu3

2.4 Environmental limits

Instructions in the Unidrive Installation Guide regarding transport, storage,

installation and use of Drives must be complied with, including the specified

environmental limits. Drives must not be subjected to excessive physical

force.

2.5 Compliance with regulations

The installer is responsible for complying with all relevant regulations, such

as national wiring regulations, accident prevention regulations and

electromagnetic compatibility (EMC) regulations. Particular attention must

be given to the cross-sectional areas of conductors, the selection of fuses or

other protection, and protective earth (ground) connections.

The Unidrive Installation Guide contains instructions for achieving compliance

with specific EMC standards.

Within the European Union, all machinery in which this product is used must

comply with the following directives:

89/392/EEC: Safety of Machinery

89/336/EEC: Electromagnetic Compatibility

2.6 Safety of personnel

The STOP function of the Drive does not remove dangerous voltages from

the output of the Drive or from any external option unit.

The Stop and Start controls or electrical inputs of the Drive must not be

relied upon to ensure safety of personnel. If a safety hazard could exist

from unexpected starting of the Drive, an interlock that electrically isolates

the Drive from the AC supply must be installed to prevent the motor being

inadvertently started.

Careful consideration must be given to the functions of the Drive which

might result in a hazard, either through their intended functions (eg.

Auto-start) or through incorrect operation due to a fault or trip (eg.

stop/start, forward/reverse, maximum speed).

Under certain conditions, the Drive can suddenly discontinue control of the

motor. If the load on the motor could cause the motor speed to be

increased (eg. hoists and cranes), a separate method of braking and

stopping the motor must be used (eg. a mechanical brake).

Before connecting the AC supply to the Drive, it is important that you

understand the operating controls and their operation. If in doubt, do not

adjust the Drive. Damage may occur, or lives put at risk. Carefully follow

the instructions in this User Guide.

Before making adjustments to the Drive, ensure all personnel in the area are

warned. Make notes of all adjustments that are made.

UD53 User Guide

Issue code: 53nu3

2.7 Risk analysis

In any application where a malfunction of the Drive could lead to damage,

loss of life or injury, a risk analysis must be carried out, and where necessary,

further measures taken to reduce the risk. This would normally be an

appropriate form of independent safety back-up system using simple

electro-mechanical components.

2.8 Signal connections

The control circuits are isolated from the power circuits in the Drive by basic

insulation only, as specified in IEC664–1. The installer must ensure that the

external control circuits are insulated from human contact by at least one

layer of insulation rated for use at the AC supply voltage.

If the control circuits are to be connected to other circuits classified as

Safety Extra Low Voltage (SELV) (eg. to a personal computer), an additional

isolating barrier must be included in order to maintain the SELV

classification.

2.9 Adjusting parameters

Some parameters have a profound effect on the operation of the Drive.

They must not be altered without careful consideration of the impact on

the controlled system. Measures must be taken to prevent unwanted

changes due to error or tampering.

UD53 User Guide

Issue code: 53nu3

3 Installing the UD53

Warning

Before using the following procedure, refer to the

Warnings at the beginning of Chapter 2 Installing the Drive in

the Unidrive Installation Guide.

1 Before installing the UD53 in the Unidrive, ensure the AC supply has

been disconnected from the Drive for at least 10 minutes.

2 Check that the exterior of the UD53 is not damaged, and that the

multi-way connector is free from dirt and debris. Do not install a

damaged or dirty UD53 in the Drive.

3 Remove the terminal cover from the Drive (for removal instructions,

see Installing the Drive and RFI filter in Chapter 2 of the Unidrive

Installation Guide).

4 Position the multi-way connector on the rear of the UD53 over the

connector in the Drive (see Figure 1), and press on the thumb pad to

push the UD53 into place.

5 Re-fit the terminal cover to the Drive.

6 Connect the AC supply to the Drive.

7 Set parameter .00 at 149 to unlock security.

8 Check that parameter 16.01 is set at 3 to indicate that the module is

fitted.

9 If the check in step 8 fails, perform the following:

• Remove the AC supply from the Drive.

• Wait at least 10 minutes.

• Remove the terminal cover.

• Check that the UD53 is fully inserted.

• Replace the terminal cover.

• Re-apply the AC supply.

• Check again that parameter 16.01 is set at 3.

UD53 User Guide

Issue code: 53nu3

Figure 1 Installing the UD53 in the Unidrive

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