Emerson Control Techniques EN Series User manual

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Installation Manual
P/N 400501-02
Revision: A5
Date: January 10, 2003
© Control Techniques Drives, Inc. 1999-2003
EN Drives
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Information furnished by Control Techniques Drives Inc. (Control Techniques) is believed to be
accurate and reliable. However, no responsibility is assumed by Control Techniques for its use.
Control Techniques reserves the right to change the design or operation of the equipment described
herein and any associated motion products without notice. Control Techniques also assumes no
responsibility for any errors that may appear in this document. Information in this document is subject
to change without notice.
P/N 400501-02
Revision: A5
Date: January 10, 2003
© Control Techniques Drives, Inc. 1999-2003
EN Drives
Installation Manual
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ii
© Control Techniques Drives, Inc. 1999-2003
Part Number: 400501-02
Revision: A5
Date: January 2003
Printed in United States of America
Information in this document is subject to change without notice. No part of this document may be
reproduced or transmitted in any form or by any means, electronic or mechanical, for any purpose,
without the express written permission of Control Techniques.
The following are trademarks of Control Techniques and may not be reproduced in any fashion
without written approval of Control Techniques: EMERSON Motion Control, AXIMA,
EMERSON Motion Control PowerTools, and “Motion Made Easy”.
Control Techniques is a Division of Emerson Electric Co.
Control Techniques is not affiliated with Microsoft Corporation, owner of the MicroSoft, Windows,
and Windows NT trademarks.
IBM is a registered trademark of International Business Machines, Inc.
Modbus is a trademark of Gould, Inc.
Data Highway Plus is a trademark of Allen-Bradley
Schaffner is a trademark of Schaffner
DeviceNet is a trademark of Open DeviceNet Vendor Association.
This document has been prepared to conform to the current released version of the product. Because
of our extensive development efforts and our desire to further improve and enhance the product,
inconsistencies may exist between the product and documentation in some instances. Call your
customer support representative if you encounter an inconsistency.
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iii
Customer Support
Control Techniques
12005 Technology Drive
Eden Prairie, Minnesota 55344-3620
U.S.A.
Telephone: [phone] or [phone]
It is Control Techniques’ goal to ensure your greatest possible satisfaction with the operation
of our products. We are dedicated to providing fast, friendly, and accurate assistance. That is
why we offer you so many ways to get the support you need. Whether it’s by phone, fax or
modem, you can access Control Techniques support information 24 hours a day, seven days
a week. Our wide range of services include:
FAX [phone]
You can FAX questions and comments to Control Techniques. Just send a FAX to the number
listed above.
Website and Email www.emersonct.com
Website: www.emersonct.com
Email: [e-mail]
If you have Internet capabilities, you also have access to technical support using our website.
The website includes technical notes, frequently asked questions, release notes and other
technical documentation. This direct technical support connection lets you request assistance
and exchange software files electronically.
Technical Support [phone] or [phone]
Email: [email protected]
Control Techniques’ “Motion Made Easy” products are backed by a team of professionals
who will service your installation. Our technical support center in Eden Prairie, Minnesota is
ready to help you solve those occasional problems over the telephone. Our technical support
center is available 24 hours a day for emergency service to help speed any problem solving.
Also, all hardware replacement parts, if needed, are available through our customer service
organization.
When you call, please be at your computer, with your documentation easily available, and be
prepared to provide the following information:
• Product version number, found by choosing About from the Help menu
• The type of controller or product you are using
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iv
• Exact wording of any messages that appear on your screen
• What you were doing when the problem occurred
• How you tried to solve the problem
Need on-site help? Control Techniques provides service, in most cases, the next day. Just call
Control Techniques’ technical support center when on-site service or maintenance is
required.
Training Services [phone] or [phone]
Email: [email protected]
Control Techniques maintains a highly trained staff of instructors to familiarize customers
with Control Techniques’ “Motion Made Easy” products and their applications. A number of
courses are offered, many of which can be taught in your plant upon request.
Application Engineering [phone] or [phone]
Email: [email protected]
An experienced staff of factory application engineers provides complete customer support for
tough or complex applications. Our engineers offer you a broad base of experience and
knowledge of electronic motion control applications.
Customer Service (Sales) [phone] or [phone]
Email: customer.ser[email protected]
Authorized Control Techniques distributors may place orders directly with our Customer
Service department. Contact the Customer Service department at this number for the
distributor nearest you.
Document Conventions
Manual conventions have been established to help you learn to use this manual quickly and
easily. As much as possible, these conventions correspond to those found in other Microsoft®
Windows® compatible software documentation.
Menu names and options are printed in bold type: the File menu.
Dialog box names begin with uppercase letters: the Axis Limits dialog box.
Dialog box field names are in quotes: “Field Name.”
Button names are in italic: OK button.
Source code is printed in Courier font: Case ERMS.
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In addition, you will find the following typographic conventions throughout this manual.
“Warning” indicates a potentially hazardous situation that, if not avoided, could result in
death or serious injury.
“Caution” indicates a potentially hazardous situation that, if not avoided, may result in
minor or moderate injury.
“Caution” used without the safety alert symbol indicates a potentially hazardous situation
that, if not avoided, may result in property damage.
Note
For the purpose of this manual and product, “Note” indicates essential information about
the product or the respective part of the manual.
EN Only
EN
For the purpose of this manual and product, the “EN” symbol indicates information about
the EN drive specifically.
Throughout this manual, the word “drive” refers to an EN drive.
This Represents
bold Characters that you must type exactly as they appear. For example, if you are directed to type
a:setup, you should type all the bold characters exactly as they are printed.
italic Placeholders for information you must provide. For example, if you are directed to type
filename, you should type the actual name for a file instead of the word shown in italic type.
ALL CAPITALS Directory names, file names, key names, and acronyms.
SMALL CAPS Non-printable ASCII control characters.
KEY1+KEY2
example: (Alt+F)
A plus sign (+) between key names means to press and hold down the first key while you press
the second key.
KEY1,KEY2
example: (Alt,F) A comma (,) between key names means to press and release the keys one after the other.
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vi
Safety Instructions
General Warning
Failure to follow safe installation guidelines can cause death or serious injury. The voltages
used in the product 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 product. The installation
must comply with all relevant safety legislation in the country of use.
Qualified Person
For the purpose of this manual and product, a “qualified person” is one who is familiar with
the installation, construction and operation of the equipment and the hazards involved. In
addition, this individual has the following qualifications:
• Is trained and authorized to energize, de-energize, clear and ground and tag circuits and
equipment in accordance with established safety practices.
• Is trained in the proper care and use of protective equipment in accordance with
established safety practices.
• Is trained in rendering first aid.
Reference Materials
The following related reference and installation manuals may be useful with your particular
system.
•PowerTools Software User’s Guide (P/N 400503-01)
•FM-1 Speed Module Reference Manual (P/N 400506-01)
•FM-2 Indexing Module Reference Manual (P/N 400507-01)
•FM-3 Programming Module Reference Manual (P/N 400508-01)
•FM-4 Programming Module Reference Manual (P/N 400509-01)
•FM-3 and FM-4 Connectivity Reference Manual (P/N 400508-04)
•RSR-2 Regen Regulator Installation Manual (400513-01)
•Flexible Cables Reference Manual (400512-01)
•ALP-130 and ALP-430 Installation Manual (400514-01)
•Drive Parameters Reference Manual (400504-01)
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Underwriters Laboratories Listed
The EN Digital Servo Drives are marked with the “UL Listed” label after passing a rigorous
set of design and testing criteria developed by UL (UL508C). This label indicates that UL
certifies this product to be safe when installed according to the installation guidelines and
used within the product specifications.
The “conditions of acceptability” required by UL are:
• The drive surrounding air ambient temperature must be 40° C (104° F) or less.
• The EN drive surrounding air ambient temperature can be up to 50°C (122° F) with 3%
linear derating for every degree above 40° C (104° F)
• This product is suitable for use on a circuit of delivering not more than 5000 RMS
symmetrical amperes, 240 volts maximum.
• Motors must incorporate an overload protection device such as an overtemperature
switch.
Drive Overload Protection
The drive output current overload protection is provided by the drive and is not adjustable.
This overload protection is based on maximum continuous output current capacity. It will
allow up to 200 percent of the drive rated current to be delivered for the amount of time
determined by the following chart.
Rated output current (Amps RMS)
Drive Model Continuous Peak
EN-204 4.5 9
EN-208 9 18
EN-214 13 26
LISTED 51Y8
IND. CONT. EQ.
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viii
CE Declaration of Conformity
The EN Digital Servo Drives are marked with the “Conformite Europeenne Mark” (CE mark)
after passing a rigorous set of design and testing criteria. This label indicates that this product
meets safety and noise immunity and emissions (EMC) standards when installed according
to the installation guidelines and used within the product specifications.
Drive Output Current vs. Time graph
0
10
20
30
40
50
60
100 125 150 175 200
% Drive Rated Current
Time (seconds)
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Declaration of Conformity
Manufacturer’s Name: Control Techniques
Manufacturer’s Address:
12005 Technology Drive
Eden Prairie, MN 55344
USA
Declares that the following products:
Products Description: E Series Digital Servo Drive
Model Number: EN-204, EN-208 and EN-214
System Options: This declaration covers the above products with the ALP-130 Backup
Logic Power Supply and ECI-44 Screw Terminal Interface.
Conforms to the following product specification:
Electomagnetic Compatibility (EMC):
EN 55011/1991 Class A Group 1, CISPR 11/1990 Class A Group 1
EN 50082-2/1995: IEC 1000-4-2/1995; EN 61000-4-2, 4kV CD
IEC 1000-4-3/1995; EN 61000-4-3, ENV 50140/1993, 80% AM, 10V/m
@ 3 m
IEC 1000-4-4/1995; EN 61000-4-4, 2 kV ALL LINES
IEC 1000-4-8/1993; EN 61000-4-8, 30 A/m
ENV 50141/1993, 80% AM, 10V, .15-80 MHz
ENV 50204/1995, Pulse, 900 MHz, 50% DTY, 200 Hz
Supplementary information:
The products herewith comply with the requirements of the Low Voltage Directive (LVD) 73/23/EEC and EMC Directive
89/336/EEC
This electronic drive product is intended to be used with an appropriate motor, electrical protection components and other
equipment to form a complete end product or system. It must only be installed by a professional assembler who is familiar
with 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. Refer to the product
manual for installation guidelines.
December 2, 1997
Bradley Schwartz/ VP Engineering Date
European Contact:
Sobetra Automation
Langeveldpark Lot 10
P. Dasterleusstraat 2
1600 St. Pieters Leeuw, Belgium
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Declaration of Conformity
Manufacturer’s Name: Control Techniques
Manufacturer’s Address:
12005 Technology Drive
Eden Prairie, MN 55344
USA
Declares that the following products:
Products Description: Drive Accessories
Model Number: RSR-2 and ALP-430
Conforms to the following product specification:
The products herewith comply with the requirements of the Low Voltage Directive (LVD) 73/23/EEC.
These products are considered components and as such, the EMC Directive (89/336/EEC) does not apply.
Supplementary information:
This electronic drive product is intended to be used with an appropriate motor, electrical protection components and other
equipment to form a complete end product or system. It must only be installed by a professional assembler who is familiar
with 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. Refer to the product manual
for installation guidelines.
August 18, 1999
Bradley Schwartz/ VP Engineering Date
European Contact:
Sobetra Automation
Langeveldpark Lot 10
P. Dasterleusstraat 2
1600 St. Pieters Leeuw, Belgium
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xi
Safety Considerations
Safety Precautions
This product is intended for professional incorporation into a complete system. If you install
the product incorrectly, it may present a safety hazard. The product and system may use high
voltages and currents, carry a high level of stored electrical energy, or are used to control
mechanical equipment that can cause injury.
You should give close attention to the electrical installation and 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. Read and follow this safety information and the instruction
manual carefully.
Enclosure
This product is intended to be mounted in an enclosure that prevents access except by trained
and authorized personnel and that prevents the ingress of contamination. This product is
designed for use in an environment classified as pollution degree 2 in accordance with
IEC664-1. This means that only dry, non-conducting contamination is acceptable.
Setup, Commissioning and Maintenance
It is essential that you give careful consideration to changes to drive settings. Depending on
the application, a change could have an impact on safety. You must take appropriate
precautions against inadvertent changes or tampering. Restoring default parameters in certain
applications may cause unpredictable or hazardous operation.
Safety of Machinery
Within the European Union all machinery in which this product is used must comply with
Directive 89/392/EEC, Safety of Machinery.
The product has been designed and tested to a high standard, and failures are very unlikely.
However the level of integrity offered by the product’s control function – for example stop/
start, forward/reverse and maximum speed – is not sufficient for use in safety-critical
applications without additional independent channels of protection. All applications where
malfunction could cause injury or loss of life must be subject to a risk assessment, and further
protection provided where needed.
General warning
Failure to follow safe installation guidelines can cause death or serious injury. The
EN Drive Istallation Manual
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xii
EN Drive Istallation Manual
voltages used in this unit 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 this equipment.
The installation must comply with all relevant safety legislation in the country of use.
AC supply isolation device
The AC supply must be removed from the drive using an approved isolation device or
disconnect before any servicing work is performed, other than adjustments to the settings
or parameters specified in the manual. The drive contains capacitors which remain
charged to a potentially lethal voltage after the supply has been removed. Allow at least
6 minutes for Epsilon 205, 3 minutes for Epsilon 202/203 and 30 seconds for EN drives
after removing the supply before carrying out any work which may involve contact with
electrical connections to the drive.
Products connected by plug and socket
A special hazard may exist where the drive is incorporated into a product which is
connected to the AC supply by a plug and socket. When unplugged, the pins of the plug
may be connected to the drive input, which is only separated from the charge stored in the
bus capacitor by semiconductor devices. To avoid any possibility of electric shock from
the pins, if they are accessible, a means must be provided for automatically disconnecting
the plug from the drive (e.g., a latching contactor).
Grounding (Earthing, equipotential bonding)
The drive must be grounded by a conductor sufficient to carry all possible fault current in
the event of a fault. The ground connections shown in the manual must be followed.
Fuses
Fuses or over-current protection must be provided at the input in accordance with the
instructions in the manual.
Isolation of control circuits
The installer must ensure that the external control circuits are isolated from human
contact by at least one layer of insulation rated for use at the applied AC supply voltage.
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xiii
Safety Considerations xi
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Enclosure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Setup, Commissioning and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Safety of Machinery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . xi
Introduction 1
EN Drives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Installation 3
Basic Installation Notes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Mechanical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
Electrical Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
Input Power Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
Auxiliary Logic/Alternate Power Wiring Supply. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
Motor Power Wiring. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Motor Feedback Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Motor Brake Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Command Connector (J5) Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
Diagnostics and Troubleshooting 35
Diagnostic Display. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
Fault Codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
Diagnostic Analog Output Test Points . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
Drive Faults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
Watch Window . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
View Motor Parameters. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 44
Specifications 47
Drive Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47
Drive and Motor Combination Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50
Motor Brake Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Motor Weights . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 51
Axial/Radial Loading. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Table of Contents
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IP Ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52
Encoder Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Power Dissipation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Speed Torque Curves . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
EN Drive Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
MG Motor Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
NT Motor Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Motor Wiring Color Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Cable Diagrams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Glossary 81
Index 87
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1
Introduction
EN Drives
The EN drives are stand-alone, fully digital brushless servo drives designed and built to
reliably provide high performance and flexibility without sacrificing ease of use.
The use of State-Space algorithms make tuning very simple and forgiving. The drives are
designed to operate with up to a 10 :1 inertia mismatch right out of the box. Higher (50 :1 and
more) inertial mismatches are possible with two simple parameter settings.
The EN base drive can be quickly configured to many applications in less than 5 minutes with
PowerTools-FM software on a PC running Windows® 95, 98, NT 4.0 and 2000.
Complete diagnostics are provided for quick troubleshooting. A diagnostic display on the
front of the drive informs the user of the operational or fault status. The last 10 faults are
stored in non-volatile memory along with a time stamp for easy recall.
The EN drives are designed to accept a line of function modules that further enhance its use
in various applications.
• FM-1 Speed Module offers the user eight digital Torque presets, two additional
Summation modes, and an Alternate Operating mode.
• FM-2 Indexing Module enables the user to initiate up to 16 different indexes, jogging, and
a single home routine.
• FM-3 FM-3DN and FM-3PB Programming Modules offer complex motion profiling. A
complex motion profile consists of two or more indexes that are executed in sequence
such that the final velocity of each index except the last is non-zero. Logical instructions
between index statements can provide a powerful tool for altering motion profiles ’on the
fly’.
• FM-4 FM-4DN and FM-4PB Programming Modules offer complex motion profiling,
along with multi-tasking user programs. A complex motion profile consists of two or
more indexes that are executed in sequence such that the final velocity of each index
except the last is non-zero. Logical instructions between index statements can provide a
powerful tool for altering motion profiles ’on the fly’.
The FM Function modules define complex motion by a configuration file that includes setups
and function assignments. For the FM-3 and FM-4 modules, the configuration file also
includes programs. The configuration file is created using PowerTools-FM or PowerTools
Pro. The FM-1 and FM-2 modules use PowerTools-FM software, and the FM-3, FM-3DN,
FM-3PB, FM-4, FM-4DN and FM-4PB modules use PowerTools Pro software. Setup views
have the same look and feel as dialog boxes. The wiring of input and output functions is done
EN Drive Installation Manual
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EN Drive Installation Manual
through assignments in the software. PowerTools software is an easy-to-use Microsoft®
Windows® based setup and diagnostics tool.
Figure 1: EN Drives Feature Location
EN Drives are rated at 90 to 264 VAC input voltage.
EN drives are available in three power ratings
The MG and NT motors that are matched to the EN drives provide low inertia, high power to
size ratios, and encoder feedback for accurate positioning.
Drive Model Power Rating Continuous Current Peak Current
EN-204 1750 W 4.5 A RMS 9.0 A RMS
EN-208 2750 W 9.0 A RMS 18.0 A RMS
EN-214 4340 W 13 A RMS 26 A RMS
EN Drive
Command Connection (J5)
AC Power Input (J1)
Feedback Connection (J7)
Drive Reset Button
Bus Power Connection (J2)
Auxiliary Power Connection (J3)
Motor Power Connection (J8)
Input/Output Terminals (J6)
Status Display
Analog Output Test Points
Function Module Connection
Serial Communications Connection (J4)
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3
Installation
Basic Installation Notes
You are required to follow all safety precautions during start-up such as providing proper
equipment grounding, correctly fused power and an effective Emergency Stop circuit which
can immediately remove power in the case of a malfunction. See the "Safety Considerations"
section for more information.
Electromagnetic Compatibility (EMC)
Drives are designed to meet the requirements of EMC. Under extreme conditions a drive
might cause or suffer from disturbances due to electromagnetic interaction with other
equipment. It is the responsibility of the installer to ensure that the equipment or system into
which the drive is incorporated complies with the relevant EMC legislation in the country of
use.
The following instructions provide you with installation guidance designed to help you meet
the requirements of the EMC Directive 89/336/EEC.
Adhering to the following guidelines will greatly improve the electromagnetic compatibility
of your system, however, final responsibility for EMC compliance rests with the machine
builder, and Control Techniques cannot guarantee your system will meet tested emission or
immunity requirements.
If you need to meet EMC compliance requirements, EMI/RFI line filters must be used to
control conducted and radiated emissions as well as improve conducted immunity.
Physical location of these filters is very important in achieving these benefits. The filter
output wires should be kept as short as possible (12 inches is suggested) and routed away from
the filter input wires. In addition:
• Choose an enclosure made of a conductive material such as steel, aluminum or stainless
steel.
• Devices mounted to the enclosure mounting plate, which depend on their mounting
surfaces for grounding, must have the paint removed from their mounting surfaces and the
mating area on the mounting plate to ensure a good ground. See the, "Achieving Low
Impedance Connections" section for more information.
• If grounding is required for cable grommets, connectors and/or conduit fittings at
locations where cables are mounted through the enclosure wall, paint must be removed
from the enclosure surface at the contact points.
• AC line filter input and output wires and cables should be shielded, and all shields must
be grounded to the enclosure.
EN Drive Installation Manual
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