Digitax DBE140 User manual

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OTHER SYMBOLS:
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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.
All rights reserved. No parts of this User Guide may
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.
Copyright © January 1999
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
ii
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
UK
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
iv

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.