OMRON OMNUC U R88D-UEP04V, R88D-UEP08V, R88D-UEP10W, R88D-UEP12V, R88D-UEP12W, R88D-UEP15W, R88D-UEP20V, OMNUC U R88M-UE10030V-S1, R88M-UE20030V-S1, R88M-UE40030V-S1, R88M-UE75030V-S1, R88M-UE10030W-S1, R88M-UE20030W-S1, R88M-UE30030W-S1 User's Manual

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Cat. No. I522-E1-3
USER’S MANUAL
OMNUC U
-SERIES UE Models
MODELS R88M-UEj
(AC Servomotors)
MODELS R88D-UEPj
(AC Servo Drivers)
AC SERVOMOTORS/DRIVERS (100 to 750 W Pulse-train Inputs)
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Thank you for choosing this OMNUC U-series UE models product. Proper use
and handling of the product will ensure proper product performance, lengthen
product life, and may prevent possible accidents.
Please read this manual thoroughly and handle and operate the product with care.
General Instructions
1. Refer to Precautions first and carefully read and be sure to understand the information provided.
2. Familiarize yourself with this manual and understand the functions and performance of the Servomotor and Servo Driver for proper use.
3. The Servomotor and Servo Driver must be wired and the Parameter Unit must be operated by experts in electrical engineering.
4. We recommend that you add the following precautions to any instruction manuals you prepare for
the system into which the product is being installed.
S Precautions on the dangers of high-voltage equipment.
S Precautions on touching the terminals of the product even after power has been turned off. (These
terminals are live even with the power turned off.)
5. Do not perform withstand voltage or other megameter tests on the product. Doing so may damage
internal components.
6. Servomotors and Servo Drivers have a finite service life. Be sure to keep replacement products on
hand and to consider the operating environment and other conditions affecting the service life.
7. Do not set any parameter not described in this manual, otherwise the Servomotor or Servo Driver
may malfunction. Contact your OMRON representatives if you have any inquiry.
NOTICE
Before using the product under the following conditions, consult your OMRON
representatives, make sure that the ratings and performance characteristics of the product are
good enough for the systems, machines, or equipment, and be sure to provide the systems,
machines, or equipment with double safety mechanisms.
1. Conditions not described in the manual.
2. The application of the product to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical equipment, amusement machines, or safety equipment.
3. The application of the product to systems, machines, or equipment that may have a serious influence
on human life and property if they are used improperly.
Items to Check After Unpacking
Check the following items after removing the product from the package:
S Has the correct product been delivered (i.e., the correct model number and specifications)?
S Has the product been damaged in shipping?
The product is provided with this manual. No connectors or mounting screws are provided.
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Notice:
OMRON products are manufactured for use according to proper procedures by a qualified
operator and only for the purposes described in this manual.
The following conventions are used to indicate and classify precautions in this manual. Always heed the information provided with them. Failure to heed precautions can result in injury to people or damage to the product.
!
DANGER
Indicates information that, if not heeded, is likely to result in loss of life or serious
injury.
!
WARNING
Indicates information that, if not heeded, could possibly result in loss of life or serious
injury.
! Caution
Indicates information that, if not heeded, could result in relatively serious or minor
injury, damage to the product, or faulty operation.
OMRON Product References
All OMRON products are capitalized in this manual. The word “Unit” is also capitalized when
it refers to an OMRON product, regardless of whether or not it appears in the proper name
of the product.
The abbreviation “Ch,” which appears in some displays and on some OMRON products, often means “word” and is abbreviated “Wd” in documentation in this sense.
The abbreviation “PC” means Programmable Controller and is not used as an abbreviation
for anything else.
Visual Aids
The following headings appear in the left column of the manual to help you locate different
types of information.
Note Indicates information of particular interest for efficient and convenient operation of the product.
 OMRON, 1997
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, or by any means, mechanical, electronic, photocopying,
recording, or otherwise, without the prior written permission of OMRON.
No patent liability is assumed with respect to the use of the information contained herein.
Moreover, because OMRON is constantly striving to improve its high-quality products, the
information contained in this manual is subject to change without notice. Every precaution
has been taken in the preparation of this manual. Nevertheless, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for damages resulting
from the use of the information contained in this publication.
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General Precautions
Observe the following precautions when using the OMNUC Servomotor and Servo Driver.
This manual may include illustrations of the product with protective covers removed in order
to describe the components of the product in detail. Make sure that these protective covers
are on the product before use.
Consult your OMRON representative when using the product after a long period of storage.
!
WARNING
Do not touch the internal circuitry of the Servo Driver. Doing so may result in an
electric shock.
!
WARNING
Be sure to ground the FG terminals of the Servomotor and Servo Driver. Not doing so
may result in an electric shock.
!
WARNING
Do not connect or disconnect the front cover, terminal cover, Parameter Unit, or
peripheral devices while power is being supplied to the product. Doing so may result
in an electric shock.
!
WARNING
Make sure that the product is operated, maintained, or inspected by authorized
people only. Not doing so may result in an electric shock.
!
WARNING
Do not be wire or inspect the product within five minutes after power to the product is
turned off. Doing so may result in an electric shock.
!
WARNING
Do not damage, press, or put excessive stress or heavy objects on the cables. Doing
so may result in an electric shock.
!
WARNING
Do not touch the rotating part of the Servomotor in operation. Doing so may result in
an injury.
! Caution
Do not modify the product. Doing so may damage the product.
! Caution
Use the Servomotor in proper combination with the Servo Driver. Not doing so may
result in a fire or damage to the Servomotor or Servo Driver.
! Caution
Do not store or install the product in the following locations. Doing so may result in
fire or damage to the product.
S Locations subject to direct sunlight.
S Locations subject to temperatures beyond the specified ranges.
S Locations subject to humidities beyond the specified ranges.
S Locations subject to rapid changes in temperature and possible condensation.
S Locations subject to corrosive or flammable gases.
S Locations subject to dust, dirt, chloride, or iron powder.
S Locations subject to splashes of water, oil, chemicals, or other liquids.
S Locations subject to direct vibration or shock.
! Caution
Do not touch the Inverter radiator, Regeneration Unit, or Servomotor while power is
being supplied or for a while after the power is turned off. Doing so may result in a
burn injury.
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Storage and Transportation Precautions
! Caution
Do not carry the Servomotor by the cable or shaft of the Servomotor. Doing so may
result in an injury or Servomotor malfunction.
! Caution
Do not pile up the products excessively. Doing so may result in an injury or product
malfunction.
! Caution
Use motor eye bolts only for transporting the Servomotor. Do not use them for transporting the machines. Doing so may result in an injury or machine malfunction.
Installation and Wiring Precautions
! Caution
Do not stand on the product or put heavy objects on the product. Doing so may result
in an injury.
! Caution
Make sure that the product is well ventilated and the interior of the product is free of
foreign matter. Not doing so may result in a fire.
! Caution
Mount the product properly. Not doing so may result in a product malfunction.
! Caution
Keep the specified distance between the Servo Driver and the interior surface of the
control panel or any other machine. Not doing so may result in a fire or Servomotor
malfunction.
! Caution
Protect the product from excessive shock. Not doing so may result in a product malfunction.
! Caution
Wire the system correctly. Not doing so may result in an out-of-control Servomotor
and injury.
! Caution
Tighten mounting screws, terminal screws, and cable connector screws firmly.
Loose screws may result in a product malfunction.
! Caution
Use crimp terminals when wiring. Connecting bare twisted wires directly to terminals
may result in fires.
! Caution
Use the power supply voltages specified in this manual. Incorrect voltages may
damage the product.
! Caution
Take steps to ensure that the rated power supply voltage is maintained in locations
with poor power supply conditions. Improper power supply voltages may damage
the product.
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! Caution
Install safety measures, such as circuit breakers, to protect against shorts in external
wiring. Insufficient safety measures may result in fires.
! Caution
Install a safety stop on each machine. Not doing so may result in an injury. A brake is
not considered a safety stop.
! Caution
Install an emergency stop to shut off power to the system instantly. Not doing so may
result in an injury.
! Caution
Take sufficient measures to protect the product in the following locations. Insufficient
protection may damage the product.
S Locations where static electricity and other noise is generated.
S Locations subject to strong electromagnetic or magnetic fields.
S Locations subject to radioactive exposure.
S Locations close to power lines.
Operation and Adjustment Precautions
! Caution
Confirm the settings of all parameters to be sure they are correct before starting actual operation. Incorrect parameters may damage the product.
! Caution
Do not make extreme changes in the settings of the product. Doing so may result in
unstable operation of the product and injury.
! Caution
Confirm the operation of the motor before connecting it to the mechanical system.
Unexpected motor operation may result in injury.
! Caution
If an alarm is ON, remedy the cause, make sure the system is safe, reset the alarm,
and restart the system. Not doing so may result in an injury.
! Caution
The system may restart abruptly when power is resupplied after an instantaneous
power failure. Take safety measures to prevent accidents that may result in an injury.
! Caution
Do not use the built-in brake of the Servomotor for normal control of the Servomotor.
Doing so may result in a Servomotor malfunction.
Maintenance and Inspection Precautions
! Caution
After replacing a Unit, always transfer all data required for operation before attempting to restart operation. Improper data settings may damage the product.
! Caution
Do not disassemble or repair the product. Doing so may result in an electric shock
and injury.
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Warning Labels
Warning labels are pasted on the product as shown in the following illustration. Be sure to
follow the instructions given there.
Warning labels
Warning Labels for Non-conforming Models
Warning label 2
Warning label 1
Warning Labels for Models Conforming to EC Directives
Warning label 2
Warning label 1
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VISUAL INDEX
For users who wish to operate soon.
- The following portions of this manual provide the minimum information required for operation.
Be sure you fully understand at least the information in these portions before attempting operation.
Chapter 2 System Design and Installation, and sections 3-1, 3-2, 3-3, 3-4, 3-5, and 3-6 of Chapter 3 Operation.
Instructions for jog operation using a Parameter Unit are provided in 3-6.
SYSMAC C200HX/HG/HE
Programmable Controller
Position Control Unit
C200H-NC112 C200HW-NC113/213/413
C200H-NC211
Pulse input
SYSMAC C/CV-series
Programmable Controller
Controller Connecting Cable
Chapter 5: 5-3-1
Position Control Unit
3G2A5-NC111-EV1
C500-NC113/211
Function Setting (Parameter Setting)
- Setting and Checking User Parameters:
- Electronic Gear:
- Magnetic and Dynamic brakes:
Chapter 3, section 3-5-1
Chapter 3, section 3-5-3
Chapter 3, section 3-5-4
Trial Operation and Adjustment
OMNUC U is a series of fully
software-controlled AC servo
drivers built on advanced OMRON software servo technology. It provides high performance, a sensitive man-machine interface, and economy.
- Trial Operation:
- Auto-tuning:
- Manually Adjusting Gain:
Chapter 3, section 3-6-1
Chapter 3, section 3-7-1
Chapter 3, section 3-7-2
Troubleshooting and Remedies
- Using Displays:
- Protective and Diagnostic Functions:
- Troubleshooting:
Chapter 4, section 4-1
Chapter 4, section 4-2
Chapter 4, section 4-3
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OMNUC U Series
OMNUC U-series UE Model AC Servo Driver
Cable Specifications
Chapter 5: 5-3
Encoder
signals
Driver Specifications
Chapter 5: 5-1
Terminal Block Wiring
Chapter 2: 2-2-3
Power
signals
Motor Specifications
Chapter 5: 5-2
OMNUC U-series UE Model
AC Servomotor
3,000 r/m: 100 to 750 W
With incremental encoder
Parameter Units
Operation Method
Chapter 3: 3-3, 3-4, 3-5
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Table of Contents
Chapter 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
1-2
1-3
1-4
Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Servo Driver Nomenclature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EC Directives and Applicable Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2. System Design and Installation . . . . . . . . . . . . . . . . . . . . . .
2-1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1-1 External Dimensions (Unit: mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1-2 Installation Conditions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Wiring Non-conforming Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-1 Connecting OMRON Servo Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-2 Connector–Terminal Conversion Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-3 Wiring Servo Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-4 Wiring for Noise Resistance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-5 Peripheral Device Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3 Wiring Products Conforming to EC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-1 Connecting Servo Controllers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-2 Wiring Servo Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-3 Wiring Products Conforming to EMC Directives . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3-4 Peripheral Device Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3. Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1 Operational Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-1-1 Beginning Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2 Turning On Power and Checking Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2-1 Items to Check Before Turning On Power . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2-2 Turning On Power and Confirming the Display . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3 Using Parameter Units . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3-1 Parameter Unit Keys and Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3-2 Modes and Changing Modes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-3-3 Mode Changes and Display Contents . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4 Initial Settings: Setup Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-1 Setting and Checking Setup Parameters (Cn-01, 02) . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-2 Setup Parameter Contents (Cn-01 and Cn-02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4-3 Important Setup Parameters (Cn-01 and Cn-02) . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5 Setting Functions: User Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-1 Setting and Checking User Parameters (Cn-04 to 26) . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-2 User Parameter Chart . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-3 Electronic Gear . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-5-4 Brake Interlock (For Motors with Brakes) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6 Trial Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6-1 Preparations for Trial Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-6-2 Jog Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7 Making Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7-1 Auto-tuning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-7-2 Manually Adjusting Gain . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8 Regenerative Energy Absorption . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8-1 Calculating Regenerative Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8-2 Servo Driver Absorbable Regenerative Energy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-8-3 Absorption of Regenerative Energy with the External Regeneration Resistor . . . . . .
3-8-4 Processing Regenerative Energy with Multiple Axes
(Models Conforming to EC Directives) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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Table of Contents
Chapter 4. Application . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Using Displays . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-1 Display Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-2 Status Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-3 Monitor Mode (Un-) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-4 Checking Servomotor Parameters (Cn-00 Set to 04) . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 Protective and Diagnostic Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2-1 Alarm Displays and Alarm Code Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2-2 Alarm Output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2-3 Overload Characteristics (Electron Thermal Characteristics) . . . . . . . . . . . . . . . . . . .
4-2-4 Alarm History Display Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-4 Periodic Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 5. Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1 Servo Driver Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1-1 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1-2 Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1-3 I/O Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1-4 Explanation of User Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2 Servomotor Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-1 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-2 Performance Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-3 Torque and Rotational Speed Characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-4 Allowable Loads on Servomotor Shafts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2-5 Encoder Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3 Cable Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-1 Controller Connecting Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-2 Encoder Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3-3 Power Cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-4 Parameter Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-5 Regeneration Unit Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-6 Front-mounting Bracket Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 6. Supplementary Materials . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1
6-2
6-3
6-4
Connection Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Relay Units for Servo Drivers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
OMNUC U-Series Standard Models . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parameter Setting Forms . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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1
Chapter 1
Introduction
1-1
1-2
1-3
1-4
Features
System Configuration
Servo Driver Nomenclature
EC Directives and Applicable Models
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Introduction
1-1
Chapter 1
Features
OMNUC AC Servo Drivers control the power supplied to AC Servomotors with pulse-train input signals
and perform precision position control. There are 5 types of AC Servomotors: 100-W, 200-W, 300-W,
400-W, and 750-W.
H Motor Output Capacity
AC Servomotors with the following output capacities are available.
j For 200/230-VAC (170 to 253 V) single-phase, 50/60-Hz Input
100 W, 200 W, 400 W, and 750 W
j For 100/115-VAC (85 to 127 V) single-phase, 50/60-Hz Input
100 W, 200 W, and 300 W
Note 1. Each Servomotor is available with or without a brake.
Note 2. Each motor shaft has a straight axis with a key.
H EC Directives (CE Markings)
AC Servomotor and Servo Drivers that conform to EC low-voltage and EMC directives are now
available. These provide the same performance and functions as the rest of the U Series UE Models, and will aid in obtaining specifications.
H Control Functions
Controls the position and speed of the Servomotor very precisely with pulse-train input signals. Any
one of the following 3 pulse trains can be selected: forward/reverse pulses, feed pulses/directional
signals, or 90 differential phase (A/B phases) signals.
H Auto-tuning
The gain can be adjusted automatically when the responsiveness has been selected to match the
rigidity of the mechanical system. The auto-tuning feature automatically finds the optimum adjustment to match the load, with no need for difficult operations.
H Monitor
Displays the driver’s operating status on the Parameter Unit.
The following items can be monitored: speed feedback, torque commands, number of pulses from
the U-phase edge, electrical angle, internal status (bit display), command pulse’s speed, position
deviation, and the input pulse counter.
H Jog Operation
Forward/Reverse motor operation can be controlled from the Parameter Unit.
1-2
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Introduction
Chapter 1
H Electronic Gear Function
The number of pulses used to rotate the motor is calculated by multiplying the number of command
pulses by the electronic gear ratio. This function is useful in the following kinds of cases.
j When you want to finely adjust the position and speed of two lines that need to be synchronized
j When you want to increase the control pulse frequency of a controller with a low pulse frequency
j When you want to set the movement/pulse to a certain amount, such as 0.01 mm/pulse
The electronic gear ratio is set with parameters G1 and G2 (G1=numerator and G2=denominator).
The setting range for parameters G1 and G2 is 1 to 65,535. The setting range for the gear ratio is
0.01 to 100, i.e., 0.01 x G1/G2 x 100.
H Pulse Smoothing Function
Even high-frequency commands can be executed smoothly by including acceleration/deceleration
in the command pulses. The same setting is used for both the acceleration and deceleration times,
and the setting range is 0 to 64 ms.
H Reverse Mode
Forward/Reverse commands can be switched in the parameters, without changing the wiring to the
motor or encoder.
H Brake Interlock Output
Outputs a timing signal interlocked with the motor’s ON/OFF status and rotational speed. The holding brake of a motor with a brake can be operated reliably.
H Computer Monitor Software
The special Servo Driver Communications Software allows parameter setting, speed and current
monitoring, I/O monitoring, auto-tuning, and jog operations to be performed from a personal computer. It is also possible to perform multiple-axis communications that set the parameters and monitor the operation of several drivers. Refer to the Computer Monitor Software Instruction Manual
(I513) for OMNUC U-series Servo Drivers for more details.
Note Version 1.1 or later of the Computer Monitor Software supports the UE Models.
1-3
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Introduction
1-2
Chapter 1
System Configuration
SYSMAC C200HX/HG/HE
Programmable Controller
Parameter Units
C200H-NC112
C200H-NC211
C200HW-NC113/213/413
Position Control Unit
OMNUC U-series UE Models
AC Servo Driver
SYSMAC C/CV-series
Programmable Controller
3G2A5-NC111-EV1
C500-NC113/211
Position Control Unit
OMNUC U-series
AC Servomotor
1-4
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Chapter 1
Introduction
1-3
Servo Driver Nomenclature
H Front View
CN4: Not used
Power supply indicator
PWR
ALM
Alarm indicator
CN3: Parameter Unit connector
CN1: Control I/O connector
Terminal block
CN2: Encoder connector
1-5
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Chapter 1
Introduction
1-4
EC Directives and Applicable Models
H EC Directives
EC Directive
Low voltage
Product
AC Servo Driver
Directive
EN61010-1
EMC
AC Servomotor
AC Servo Driver
AC Servomotor
IEC34-1, -5, -8, -9
EN55011 class A group 1
EN50082-2
Remarks
Safety requirements for electrical
equipment for measurement,
control, and laboratory use.
Rotating electrical machines.
Limits and methods of measurement
of radio disturbance characteristics
of industrial, scientific, and medical
(ISM) radio-frequency equipment.
Electromagnetic compatibility
generic immunity standard, Part 2
Industrial environment.
Note Installation under the conditions specified in 2-3-3 Wiring Products Conforming to EMC Directives is required to conform to EMC Directives.
H Applicable Models
Power supply
pp y
200 VAC
100 VAC
Output
p capacity
p
y
100 W
200 W
400 W
750 W
100 W
200 W
300 W
AC Servo Drivers
R88D-UEP04V
R88D-UEP08V
R88D-UEP12V
R88D-UEP20V
R88D-UEP10W
R88D-UEP12W
R88D-UEP15W
AC Servomotors
With incremental encoder
R88M-UE10030V-S1
R88M-UE20030V-S1
R88M-UE40030V-S1
R88M-UE75030V-S1
R88M-UE10030W-S1
R88M-UE20030W-S1
R88M-UE30030W-S1
Note The above models with brakes are also applicable. Change the suffix to “BS1” for models with
brakes.
1-6
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2
Chapter 2
System Design and Installation
2-1
2-2
2-3
Installation
Wiring Non-conforming Products
Wiring Products Conforming to EC Directives
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System Design and Installation
Chapter 2
Installation and Wiring Precautions
! Caution
Do not stand on the product or put heavy objects on the product. Doing so may result
in an injury.
! Caution
Make sure that the product is well ventilated and the interior of the product is free of
foreign matter. Not doing so may result in a fire.
! Caution
Mount the product properly. Not doing so may result in a product malfunction.
! Caution
Keep the specified distance between the Servo Driver and the interior surface of the
control panel or any other machine. Not doing so may result in a fire or Servomotor
malfunction.
! Caution
Protect the product from excessive shock. Not doing so may result in a product malfunction.
! Caution
Wire the system correctly. Not doing so may result in an out-of-control Servomotor
and injury.
! Caution
Tighten mounting screws, terminal screws, and cable connector screws firmly.
Loose screws may result in a product malfunction.
! Caution
Use crimp terminals when wiring. Connecting bare twisted wires directly to terminals
may result in fires.
! Caution
Use the power supply voltages specified in this manual. Incorrect voltages may
damage the product.
! Caution
Take steps to ensure that the rated power supply voltage is maintained in locations
with poor power supply conditions. Improper power supply voltages may damage
the product.
! Caution
Install safety measures, such as circuit breakers, to protect against shorts in external
wiring. Insufficient safety measures may result in fires.
! Caution
Install a safety stop on each machine. Not doing so may result in an injury. A brake is
not considered a safety stop.
! Caution
Install an emergency stop to shut off power to the system instantly. Not doing so may
result in an injury.
! Caution
Take sufficient measures to protect the product in the following locations. Insufficient
protection may damage the product.
Locations where static electricity and other noise is generated.
Locations subject to strong electromagnetic or magnetic fields.
Locations subject to radioactive exposure.
Locations close to power lines.
2-2
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Chapter 2
System Design and Installation
2-1
Installation
2-1-1 External Dimensions (Unit: mm)
j AC Servo Drivers, Non-conforming Models
D R88D-UEP04H/UEP08H (200 VAC, 100, 200 W)
R88D-UEP10L (100 VAC, 100 W)
5
4
Installation dimensions
55
5
130
45
(5)
45
(6)
Three, M4
Two, 6 dia.
160
149
149
R3
5
(165)
6
D R88D-UEP12H (200 VAC, 400 W) and R88D-UEP12L (100 VAC, 200 W)
5
4
75
130
(6)
Installation dimensions
5
60
(5)
60
Two, 6 dia.
160
Three, M4
149
149
R3
(165)
5
6
2-3
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Chapter 2
System Design and Installation
D R88D-UEP20H (200 VAC, 750 W) and R88D-UEP15L (100 VAC, 300 W)
3.5
7
105
130
90
(8)
6
Two, 6 dia.
160
149
Two, R3
5
(165)
6
6
90
Installation
dimensions
Four, M4
149
2-4
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Chapter 2
System Design and Installation
j AC Servo Drivers Conforming to EC Directives
D R88D-UEP04V/UEP08V (200 VAC, 100, 200 W)
R88D-UEP10W (100 VAC, 100 W)
Installation
dimensions
Two, 6 dia.
R3
Three, M4
D R88D-UEP12V (200 VAC, 400 W)
R88D-UEP12W (100 VAC, 200 W)
Installation
dimensions
Two, 6 dia.
R3
Three, M4
2-5
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Chapter 2
System Design and Installation
D R88D-UEP20V (200 VAC, 750 W)
R88D-UEP15W (100 VAC, 300 W)
Two, 6 dia.
Two, R3
Installation
dimensions
Four, M4
2-6
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Chapter 2
System Design and Installation
j Regeneration Unit
D R88A-RG08UA
(15) (6)
25
Dia.: 6
Installation dimensions
Two, M4
160 130 149
149
R3
15
5
6
(18.5)
130
25
50
2-7
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Chapter 2
System Design and Installation
j Parameter Units
D R88A-PR02U
Two, 4.5 dia.
18.5
63
50
7
125 135
(8)
1000
D R88A-PR03U
54
15
6.9
57.5
2-8
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Chapter 2
System Design and Installation
j AC Servomotors, Non-conforming Models
D 100-W Standard Models:1
R88M-UE10030H-S1
R88M-UE10030L-S1
Encoder adapter
Four, R3.7
46 dia.
8h6 dia.
Shaft Edge Dimension
The key groove is in accordance with JIS
B1301-1976.
Two, 4.3 dia.
30h7 dia.
8h6 dia.
Motor plug
D 100-W Models with Brake:
R88M-UE10030H-BS1
R88M-UE10030L-BS1
Encoder adapter
46 dia.
Shaft Edge Dimension
The key groove is in accordance with JIS
B1301-1976.
Four, R3.7
8h6 dia.
Two, 4.3 dia.
30h7 dia.
8h6 dia.
Motor plug
2-9
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Chapter 2
System Design and Installation
D 200-W/300-W/400-W Standard Models:
R88M-UE20030H-S1, R88M-UE40030H-S1, R88M-UE20030L-S1, R88M-UE30030L-S1
Encoder adapter
Motor plug
14h6 dia.
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
Four, R5.3
14h6 dia.
50h7 dia.
Four, 5.5 dia.
70 dia.
D 200-W/300-W/400-W Models with Brake:
R88M-UE20030H-BS1, R88M-UE40030H-BS1, R88M-UE20030L-BS1,
R88M-UE30030L-BS1
Encoder adapter
Motor plug
Standard Models
Model
L
R88M-UE20030H-S1 126.5
R88M-UE20030L-S1
R88M-UE40030H-S1 154.5
R88M-UE30030L-S1
LL
96.5
124.5
Four, R5.3
14h6 dia.
70 dia.
Four, 5.5 dia.
50h7 dia.
14h6 dia.
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
Models with Brake
Model
L
R88M-UE20030H-BS1 166
R88M-UE20030L-BS1
R88M-UE40030H-BS1 194
R88M-UE30030L-BS1
LL
136
164
2-10
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Chapter 2
System Design and Installation
D 750-W Standard Models: R88M-UE75030H-S1
Encoder adapter
Motor plug
Shaft Edge Dimension
The key groove is in accordance with JIS
B1301-1976.
16h6 dia.
Four, R8.2
90 dia.
16h6 dia.
70h7 dia.
Four, 7 dia.
D 750-W Models with Brake: R88M-UE75030H-BS1
Encoder adapter
90 dia.
16h6 dia.
70h7 dia.
Four, 7 dia.
Shaft Edge Dimension
The key groove is in accordance with JIS
B1301-1976.
Four, R8.2
16h6 dia.
Motor plug
2-11
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Chapter 2
System Design and Installation
j AC Servomotors Conforming to EC Directives
D 100-W Standard Models: R88M-UE10030V-S1, R88M-UE10030W-S1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
14 dia.
8h6 dia.
Two,
4.3 dia.
Four, R3.7
8h6 dia.
30h7 dia.
46 dia.
D 100-W Models with Brake: R88M-UE10030V-BS1, R88M-UE10030W-BS1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
14 dia.
30h7 dia.
8h6 dia.
Two,
4.3 dia.
Four, R3.7
8h6 dia.
46 dia.
2-12
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Chapter 2
System Design and Installation
D 200-W/300-W/400-W Standard Models: R88M-UE20030V-S1, R88M-UE40030V-S1
R88M-UE20030W-S1, R88M-UE30030W-S1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
14 dia.
14h6 dia.
Four,
5.5 dia.
Four, R5.3
50h7 dia.
14h6 dia.
70 dia.
D 200-W/300-W/400-W Models with Brake: R88M-UE20030V-BS1,
R88M-UE40030V-BS1, R88M-UE20030W-BS1, R88M-UE30030W-BS1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
14h6 dia.
14h6 dia.
14 dia.
50h7 dia.
Four,
5.5 dia.
Standard Models
Standard Models
Model
R88M-UE20030V-S1
R88M-UE20030W-S1
L
126.5
96.5
LL
R88M-UE40030V-S1
R88M-UE30030-W-S1
154.5
124.5
Four, R5.3
70 dia.
Models with Brake
Model
R88M-UE20030V-BS1
R88M-UE20030W-BS1
R88M-UE40030V-BS1
R88M-UE30030W-BS1
L
LL
166
136
194
164
2-13
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Chapter 2
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D 750-W Standard Models: R88M-UE75030V-S1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
16h6 dia.
14 dia.
16h6 dia.
70h7 dia.
Four, 7 dia.
Four, R8.2
90 dia.
D 750-W Models with Brake: R88M-UE75030V-BS1
Shaft Edge Dimension
The key groove is in accordance with
JIS B1301-1976.
16h6 dia.
14 dia.
16h6 dia.
Four, R8.2
70h7 dia.
Four, 7 dia.
90 dia.
2-14
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Chapter 2
System Design and Installation
2-1-2 Installation Conditions
j AC Servo Drivers
D Space Around Drivers
• Install Servo Drivers according to the dimensions shown in the following illustration to ensure proper
heat dispersion and convection inside the panel. Also install a fan for circulation if Servo Drivers are
installed side by side to prevent uneven temperatures from developing inside the panel.
• Mount the Servo Drivers vertically (so that the model number and writing can be read).
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
ÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉÉ
Servo Driver
Servo Driver
W
30 mm min.
50 mm min.
Fan
Servo Driver
Fan
Side of Unit
W
W = 10 mm min.
50 mm min.
D Operating Environment
Be sure that the environment in which Servo Drivers are operated meets the following conditions.
• Ambient operating temperature:
0°C to +50°C
• Ambient operating humidity:
35% to 85% (RH, with no condensation)
• Atmosphere:
No corrosive gases.
D Ambient Temperature
• Servo Drivers should be operated in environments in which there is minimal temperature rise to
maintain a high level of reliability.
• Temperature rise in any Unit installed in a closed space, such as a control box, will cause the ambient
temperature to rise inside the entire closed space. Use a fan or a air conditioner to prevent the ambient temperature of the Servo Driver from exceeding 50°C.
• Unit surface temperatures may rise to as much as 30°C above the ambient temperature. Use heatresistant materials for wiring, and keep separate any devices or wiring that are sensitive to heat.
• The service life of a Servo Driver is largely determined by the temperature around the internal electrolytic capacitors. The service life of an electrolytic capacitor is affected by a drop in electrolytic volume and an increase in internal resistance, which can result in overvoltage alarms, malfunctioning
due to noise, and damage to individual elements. If a Servo Driver is always operated at the maximum ambient temperature of 50°C, then a service life of approximately 50,000 hours can be expected. A drop of 10°C in the ambient temperature will double the expected service life.
2-15
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Chapter 2
System Design and Installation
D Keeping Foreign Objects Out of Units
• Place a cover over the Units or take other preventative measures to prevent foreign objects, such as
drill filings, from getting into the Units during installation. Be sure to remove the cover after installation is complete. If the cover is left on during operation, heat buildup may damage the Units.
• Take measures during installation and operation to prevent foreign objects such as metal particles,
oil, machining oil, dust, or water from getting inside of Servo Drivers.
j AC Servomotors
D Operating Environment
Be sure that the environment in which the Servomotor is operated meets the following conditions.
• Ambient operating temperature:
0°C to +40°C
• Ambient operating humidity:
20% to 80% (RH, with no condensation)
• Atmosphere:
No corrosive gases.
D Impact and Load
• The Servomotor is resistant to impacts of up to 10 G
{98 m/s2}. Do not subject it to heavy impacts or loads
during transport, installation, or positioning. In addition, do not hold onto the encoder, cable, or connector areas when transporting it.
• Always use a pulley remover to remove pulleys,
couplings, or other objects from the shaft.
• Secure cables so that there is no impact or load placed on the cable connector areas.
D Connecting to Mechanical Systems
• The axial loads for Servomotors are specified in section 5-2-3. If an axial load greater than that specified
is applied to a Servomotor, it will reduce the service
life of the motor bearings and may damage the motor
shaft. When connecting to a load, use couplings that
can sufficiently absorb mechanical eccentricity and
variation.
Ball screw center line
Motor shaft center line
Shaft core
displacement
Recommended Coupling
Name
Oldham coupling
Maker
Myghty Co., Ltd
• For spur gears, an extremely large radial load may
be applied depending on the gear precision. Use
spur gears with a high degree of accuracy (for example, JIS class 2: normal line pitch error of 6 µm max.
for a pitch circle diameter of 50 mm). If the gear precision is not adequate, allow backlash to ensure that
no radial load is placed on the motor shaft.
Backlash
Adjust backlash
by adjusting the
distance between
shafts.
2-16
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Chapter 2
System Design and Installation
• Bevel gears will cause a load to be applied in the
thrust direction depending on the structural precision, the gear precision, and temperature changes.
Provide appropriate backlash or take other measures to ensure that no thrust load is applied which
exceeds specifications.
Bevel gear
• Do not put rubber packing on the flange surface. If
the flange is mounted with rubber packing, the motor
flange may separate due to the tightening strength.
Make moveable.
• When connecting to a V-belt or timing belt, consult the maker for belt selection and tension. A radial
load twice the belt tension will be placed on the motor shaft. Do not allow a radial load exceeding
specifications to be placed on the motor shaft due to belt tension. If an excessive radial load is applied, the motor shaft may be damaged. Set up the structure so that the radial load can be adjusted. A
large radial load may also be applied as a result of belt vibration. Attach a brace and adjust Servo
Driver gain so that belt vibration is minimized.
Pulley
Belt
Tension
Make adjustable.
Motor shaft
Load shaft
D Water and Drip Resistance
• The Servomotor does not have a water-proof structure. Except for the connector areas, the protective structure is covered by the following JEM (The Japan Electrical Manufacturers’ Association)
standards.
Non-conforming Models:
IP-42
EC Directive Models:
IP-44 (except shaft penetration point)
• If the Servomotor is used in an environment in which condensation occurs, water may enter inside of
the encoder from the end surfaces of cables due to motor temperature changes. Either take measures to ensure that water cannot penetrate in this way, or use water-proof connectors. Even when
machinery is not in use, water penetration can be avoided by taking measures, such as keeping the
motor in servo-lock status, to minimize temperature changes.
• If machining oil with surfactants (e.g., coolant fluids) or their spray penetrate inside of the motor, insulation defects or short-circuiting may occur. Take measures to prevent machining oil penetration.
D Other Precautions
• Do not apply commercial power directly to the Servomotor. The Servomotors run on synchronous
AC and use permanent magnets. Applying 3-phase power will burn out the motor coils.
• Do not carry or otherwise handle the Servomotor by its cable, otherwise the cable may become disconnected or the cable clamp may become damaged.
• Take measures to prevent the shaft from rusting. The shafts are coated with anti-rust oil when
shipped, but anti-rust oil or grease should also be applied when connecting the shaft to a load.
• Absolutely do not remove the encoder cover or take the motor apart. The magnet and the encoder
are aligned in the Servomotor. If they become misaligned, the motor will not operate.
2-17
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Chapter 2
System Design and Installation
2-2
Wiring Non-conforming Products
2-2-1 Connecting OMRON Servo Controllers
Use general-purpose control cables (purchased separately) to connect U-series UE
model AC Servomotors and Servo Drivers to OMRON Servo Controllers.
j Connecting SYSMAC C-series Position Control Units
SYSMAC C-series
Programmable Controller
Position Control Units for SYSMAC
C-series Programmable Controllers
3G2A5-NC111-EV1
C500-NC113
C500-NC211
C200H-NC112
C200H-NC211
C200HW-NC113
C200HW-NC213
C200HW-NC413
General-purpose Control Cable
R88A-CPUS
OMNUC U-series UE model
AC Servo Driver
Power Cable
R88A-CAUS
R88A-CAUB
Encoder Cable
R88A-CRUC
OMNUC U-series UE model
AC Servomotor
Note Refer to Chapter 5 Specifications for connector and cable specifications.
2-18
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Chapter 2
System Design and Installation
j Connecting SYSMAC C-series Position Control Units Using Relay
Units
Position Control Unit for C200H
Programmable Controllers
C200H-NC211 (2 axes)
Position Control Unit for C200H
Programmable Controllers
C200H-NC112 (1 axis)
Position Control Unit for C500
Programmable Controllers
C500-NC113 (1 axis)
C500-NC211 (2 axes)
Connector Cable for
Position Control Unit
(for C200H-NC211 and
C500-NC113/211)
XW2Z-050J-A5 (0.5 m)
XW2Z-100J-A5 (1 m)
Connector Cable for
Position Control Unit
(for C200H-NC112)
XW2Z-050J-A4 (0.5 m)
XW2Z-100J-A4 (1 m)
Relay Unit
(for C200H-NC112)
XW2B-20J6-1B
Note
1. Refer to Chapter 6 for Relay Unit
terminal block connection examples.
Note
2. Relay Units for CQM1-CPU43-V1
and CQM1H-PLB21 (with pulse
I/O function) are also available.
Relay Unit
(for C200H-NC211)
XW2B-40J6-2B
Connector Cable for
Servo Driver
XW2Z-100J-B5 (1 m)
XW2Z-200J-B5 (2 m)
Two cables are required
when used in combination
with C200H-NC211 or
C500-NC211 (2 axes).
OMNUC U-series UE model
AC Servo Driver
Power Cable
R88A-CAUS
R88A-CAUB
Encoder Cable
R88A-CRUC
OMNUC U-series UE model
AC Servomotor
Note Refer to the catalog for XW2B Servo Relay Units for more details.
2-19
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Chapter 2
System Design and Installation
j Connecting SYSMAC C200HX/HG/HE Position Control Units Using
Relay Units
Position Control Unit for
C200HX/HG/HE Programmable
Controllers
C200HW-NC213 (2 axis)
C200HW-NC413 (4 axis)
Position Control Unit for C200HX/HG/HE
Programmable Controllers
C200HW-NC113 (1 axis)
Connector Cable for Position
Control Unit
(for C200HW-NC213/413)
XW2Z-050J-A9 (0.5 m)
XW2Z-100J-A9 (1 m)
Connector Cable for
Position Control Unit
(for C200HW-NC113)
XW2Z-050J-A8 (0.5 m)
XW2Z-100J-A8 (1 m)
Two Relay Units and two Connector
Cables for Position Control Unit are
required when using the C200HWNC413.
Relay Unit
(for C200H-NC112)
XW2B-20J6-1B
Note
1. Refer to Chapter 6 for Relay Unit
terminal block connection examples.
Note
2. Relay Units for CQM1-CPU43-V1
and CQM1H-PLB21 (with pulse
I/O function) are also available.
Relay Unit
(for C200H-NC211)
XW2B-40J6-2B
Connector Cable for
Servo Driver
XW2Z-100J-B5 (1 m)
XW2Z-200J-B5 (2 m)
Two cables are required when used in combination
with C200HW-NC213 (2 axes).
Four cables are required when used in combination
with C200HW-NC413 (4 axes).
OMNUC U-series UE model
AC Servo Driver
Power Cable
R88A-CAUS
R88A-CAUB
Encoder Cable
R88A-CRUC
OMNUC U-series UE model
AC Servomotor
Note Refer to the catalog for XW2B Servo Relay Units for more details.
2-20
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Chapter 2
System Design and Installation
2-2-2 Connector–Terminal Conversion Unit
The AC Servo Driver can be easily connected to the Connector–Terminal Conversion Unit through a
special cable without soldering.
Controller
XW2B-40F5-P
Connector–Terminal
Conversion Unit
R88A-CTUN
Connector Cable for
Connector–Terminal Conversion Unit
OMNUC U-series
UE Model
AC Servo Driver
Power Cable
R88A-CAUS
R88A-CAUB
Encoder Cable
R88A-CRUC
OMNUC U-series
UE Model
AC Servomotor
Note Refer to Chapter 5 Specifications for connector and cable specifications.
2-21
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Chapter 2
System Design and Installation
2-2-3 Wiring Servo Drivers
Provide proper wire diameters, ground systems, and noise resistance when wiring terminal blocks.
j Wiring Terminal Blocks
Power supply input terminals
Main-circuit DC output terminals
Red
To Motor
White
Blue
Green
Power Cable
R88A-CAUS
R88A-CAUB (with brake)
(The broken lines indicate signal
lines for the brake. There is no
polarity on these lines.)
Black
Black
Terminal
Name
label
Power supply
R
input
Function
The commercial power supply input terminals for the main circuit and the
control circuitry.
The power supply voltage depends on the model being used.
used
T
P
N
U
V
W
24 VDC
Main circuit DC
output
R88D-UEPH: Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPL: Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
The terminals for connecting
g Regeneration
g
Units ((R88A-RG08UA).
) Connect
these
h
terminals
i l when
h there
h
i a high
is
hi h level
l
l off regenerative
i energy. (S
(See note))
Motor connection Red
These are the output terminals to the Servomotor. Be careful to wire
terminals
i l
h
correctly.
l
White them
Blue
Frame ground
Green The ground terminal for both the motor output and power supply input. Ground to a class-3 ground (to 100 Ω or less) or better.
Note Refer to 3-8 Regenerative Energy Absorption for a method to calculate regeneration energy.
2-22
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Chapter 2
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j Terminal Block Current and Wire Sizes
The following table shows the rated effective currents flowing to the Servo Driver and the sizes of the
electrical wires.
D Servo Drivers with 200-VAC Input (R88D-UEPH)
Driver (Watts)
R88D-UEP04H (100 W)
R88D-UEP08H (200 W)
R88D-UEP12H (400 W)
R88D-UEP20H (750 W)
Power supply input
current (R, T)
2.5 A
4.0 A
6.0 A
11.0 A
Motor output current (U, V, W)
0.87 A
2.0 A
2.6 A
4.4 A
Power supply input
terminal wire size
0.75 mm2 or AWG 18 min.
1.25 mm2
2.0 mm2
Motor output
terminal
i l wire
i size
i
0.5 mm2 or AWG 20
AWG 20 (see note) to AWG 18
Use OMRON standard cable. The applicable wire size for motor connectors is AWG22 to AWG18.
Use 2.0-mm2 external ground wires. Use the same wire as used for the motor output.
Ground terminal
wire size
Note If the cable length is 15 meters or longer for a 750-W Servomotor, the momentary maximum torque at rotation speeds of 2,500 r/min or higher may drop by approximately 7%.
D Servo Drivers with 100-VAC Input (R88D-UEPL)
Driver model (Watts)
R88D-UEP10L (100 W)
R88D-UEP12L (200 W)
R88D-UEP15L (300 W)
Power supply input current (R, T)
4.5 A
8.0 A
10.0 A
Motor output current (U, V, W)
2.2 A
2.7 A
3.7 A
Power supply input terminal wire
size
0.75 mm2 or AWG 18
min.
1.25 mm2
2 mm2
Motor output terminal wire size
AWG 20 to AWG 18
Use OMRON standard cable. The applicable wire size for motor connectors is
AWG22 to AWG18.
Ground terminal wire size
Use 2.0-mm2 external ground wires. Use the same wire as used for the motor
output.
j Wire Sizes and Allowable Current
The following table shows allowable currents when there are three electrical wires. Use values equal to
or lower than the specified values.
D Heat-resistant Vinyl Wiring, UL1007, Rated Temperature 80°C (Reference Value)
AWG size
20
--18
16
Nominal crosssectional area
2)
(
(mm
0.5
0.75
0.9
1.25
Configuration
((wires/mm2)
19/0.18
30/0.18
37/0.18
50/0.18
Conductive
resistance
(Ω/k )
(Ω/km)
39.5
26.0
24.4
15.6
Allowable current (A) for
ambient temperature
40°C
6.6
8.8
9.0
12.0
50°C
5.6
7.0
7.7
11.0
60°C
4.5
5.5
6.0
8.5
2-23
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Chapter 2
System Design and Installation
2-2-4 Wiring for Noise Resistance
j Wiring Method
Noise resistance will vary greatly depending on the wiring method used. Resistance to noise can be
increased by paying attention to the items described below.
No-fuse
breaker
Surge
Noise filter Contactor
MCCB absorber
X1
1
Servo Driver
R88DU
3
TB
R
TB
U
4
T
V
W
NF
AC power supply
2
E
Fuse
Servomotor
R88MU
Metal duct
M
CN2
RE
2 mm2 min.
3.5mm2
Class-3 ground
(to 100 Ω or less) Ground plate
Control board
ground
Controller power supply
Machine
ground
Thick power line
(3.5 mm2)
• Ground the motor’s frame to the machine ground when the motor is on a movable shaft.
• Use a grounding plate for the frame ground for each Unit, as shown in the illustration, and ground to a
single point.
• Use ground lines with a minimum thickness of 3.5 mm2, and arrange the wiring so that the ground lines
are as short as possible.
• If no-fuse breakers (MCCB) are installed at the top and the power supply line is wired from the lower
duct, use metal tubes for wiring and make sure that there is adequate distance between the input lines
and the internal wiring. If input and output lines are wired together, noise resistance will decrease.
• No-fuse breakers (MCCB), surge absorbers, and noise filters (NF) should be positioned near the input
terminal block (ground plate), and I/O lines should be isolated and wired using the shortest means
possible.
• Wire the noise filter as shown at the left in the following illustration. The noise filter should be installed
at the entrance to the control panel whenever possible.
Good: Separate input and output
1
AC input
Ground
3
NF
2
NO: Noise not filtered effectively
E
4
1
AC output
AC input
3
NF
2
E
4
Ground
AC output
2-24
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Chapter 2
System Design and Installation
• Use twisted-pair cables for the power supply cables whenever possible, or bind the cables.
R
R
Driver
or
Driver
T
T
Binding
• Separate power supply cables and signal cables when wiring.
j Selecting Components
This section describes the standards used to select components required to increase noise resistance.
Select these components based on their capacities, performances, and applicable ranges.
Recommended components have been listed; refer to the manufacturer of each component for details.
D No-fuse Breakers (MCCB)
When selecting no-fuse breakers, take into consideration the maximum input current and the inrush
current. The momentary maximum output for a servo system is approximately three times that of the
rated output, and a maximum output of three seconds can be executed. Therefore, select no-fuse
breakers with an operating time of at least five seconds at 300% of the rated maximum output. Generalpurpose and low-speed no-fuse breakers are generally suitable. Refer to the table in 2-2-3 Terminal
Block Wiring for the power supply input currents for each motor, and then add the current consumption
for the number of shafts, other controllers, etc., to make the selection.
The Servo Driver inrush current flows at a maximum of 50 A for 20 ms when 200 V is input. With lowspeed no-fuse breakers, a inrush current 7 to 8 times the rated current flows for 0.1 second. When making the selection, take into consideration the entire inrush current for the system.
D Surge Absorbers
Use surge absorbers to absorb surges from power supply input lines due to lightning, abnormal voltages, etc. When selecting surge absorbers, take into account the varistor voltage, the amount of surge
immunity, and the amount of energy resistance. For 200-VAC systems, use a varistor voltage of 470 V.
The surge absorbers shown in the following table are recommended.
Maker
Matsushita
El
Electric
i
Parts
Ishizuka
El
Electronics
i
Co
Co.
Okaya
Electric Ind.
Model
Varistor
voltage
Max. limit
voltage
Surge
immunity
Energy
resistance
Fuse
capacity
ERZV10D471(W)
ERZV14D471(W)
ERZV20D471(W)
ERZC20EK471(W)
Z10L471
Z15L471
Z21L471
Z25M471S
R⋅A⋅V
-781BWZ-2A
470 V
470 V
470 V
470 V
470 V
470 V
470 V
470 V
---
775 V
775 V
775 V
775 V
773 V
738 V
733 V
810 V
783 V
1,250 A
2,500 A
4,000 A
5,000A
1,000A
1,250 A
3,000 A
10,000 A
1,000 A
45 J
80 J
150 J
150 J
15 Ws
20 Ws
30 Ws
235 J
---
3 to 5 A
3 to 10 A
5 to 15 A
--3 to 5 A
3 to 5 A
5 to 10 A
-----
R⋅A⋅V
-781BXZ-2A
---
783 V
1,000 A
---
---
R⋅A⋅V
-401⋅621BYR-2
---
620 V
1,000 A
---
---
Type
Disk
Block
Disk
Block
Block
2-25
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Chapter 2
System Design and Installation
Note
1. The (W) Matsushita models are UL and CSA certified.
Note
2. Refer to manufacturers documentation for operating details.
Note
3. The surge immunity is for a standard impulse current of 8/20 µs. If pulses are wide, either decrease the
current or change to a larger-capacity surge absorber.
Note
4. The energy resistance is the value for 2 ms. It may not be possible to retard high-energy pulses at less
than 700 V. In that case, absorb surges with an insulated transformer or reactor.
D Noise Filters for Power Supply Input
Use a noise filter to attenuate extraneous noise and to diminish noise radiation from the Servo Driver.
Select a noise filter with a load current of at least twice the rated current. The following table shows noise
filters that reduce by 40 dB noise between 200 kHz and 30 MHz.
Maker
Model
LF-210N
LF-215N
LF-220N
Tokin
Rated current
10 A
15 A
20 A
Remarks
For single-phase
g
To attenuate noise at frequencies of 200 kH or less, use an insulated transformer and a noise filter. For
high frequencies of 30 MHz or more, use a ferrite core and a high-frequency noise filter with a throughtype capacitor.
D Noise Filters for Motor Output
Use noise filters without built-in capacitors on the Servomotor output lines. Output lines cannot use the
same noise filters as the power supply. General-purpose noise filters are made for a power supply frequency of 50/60 Hz; if they are connected to an output of 7.8 to 11 kHz (the Servo Driver PWM frequency), an extremely large leakage current (approx. 100 times normal) will flow to the capacitor in the noise
filter. The following table shows the noise filters that are recommended for motor output.
Maker
Tokin
Fuji Electrochemical Co.
Model
LF-310KA
LF-320KA
ESD-R-47B
RN80UD
Rated
current
10 A
20 A
-----
Remarks
Three-phase block noise filter
EMI core for radiation noise
10-turn for radiation noise
Note 1. The Servomotor output lines cannot use the same noise filters used for power supplies.
Note 2. Typical noise filters are used with power supply frequencies of 50/60 Hz. If these noise filters
are connected to outputs of 7.8 to 11 KHz (the Servo Driver’s PWM frequency), a very large
(about 100 times larger) leakage current will flow through the noise filter’s condenser and the
Servo Driver could be damaged.
2-26
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Chapter 2
System Design and Installation
D Surge Killers
Install surge killers for loads that have induction coils, such as relays, solenoids, brakes, clutches, etc.
The following table shows types of surge killers and recommended products.
Type
Diode
Features
Diodes are relatively small devices such as relays used
for loads when reset time is not an issue. The reset time
is increased because the surge voltage is the lowest
when power is cut off. Used for 24/48-VDC systems.
Thyristor
or
Varistor
Thyristor and varistor are used for loads when induction
coils are large, as in electromagnetic brakes, solenoids,
etc., and when reset time is an issue. The surge voltage
when power is cut off is approximately 1.5 times that of
the varistor.
Capacitor
+ resistor
Use capacitors and resistors for vibration absorption of
surge when power is cut off. The reset time can be
shortened by proper selection of the capacitor or resistor.
Recommended products
Use a fast-recovery diode with a
short reverse recovery time.
Fuji Electric Co., ERB44-06 or equivalent
Select varistor voltage as follows:
24-VDC system varistor:
100-VDC system varistor:
100-VAC system varistor:
200-VAC system varistor:
Okaya Electric Ind.
39 V
200 V
270 V
470 V
CR-50500 0.5 µF-50 Ω
CRE-50500 0.5 µF-50 Ω
S2-A-0
0.2 µF-500 Ω
Note Thyristors and varistors are made by the following companies. Refer to manufacturers documentation for
operating details. Thyristors: Ishizuka Electronics Co.
Varistors: Ishizuka Electronics Co., Matsushita Electric Parts
D Contactors
When selecting contactors, take into consideration the circuit’s inrush current and the momentary maximum current. The Servo Driver inrush current is 50 A, and the momentary maximum current is approximately twice the rated current. The following table shows the recommended contactors.
Maker
OMRON
Model
Rated current
G6C-2BND
LY2-D
G7L-2A-BUBJ
J7AN-E3
LC1-D093A60
10 A
10 A
25 A
15 A
11 A
Momentary maximum current
------120 A
200 A
Coil voltage
24 VDC
24 VDC
24 VDC, 200 to 240 VAC
24 VDC
24 VDC, 200/220 VAC,
200 to 240 VAC
D Leakage Breakers
Select leakage breakers designed for inverters. Since switching operations take place inside the Servo
Driver, high-frequency current leaks from the armature of the Servomotor. With inverter leakage breakers, high-frequency current is not detected, preventing the breaker from operating due to leakage current. Another way to prevent leakage current from being detected is to install an insulating transformer.
When selecting leakage breakers, remember to also add the leakage current from devices other than
the Servomotor, such as machines using a switching power supply, noise filters, inverters, and so on.
The following table shows the Servomotor leakage currents for each Servo Driver.
Driver
R88D-UEP04H to -UEP08H
R88D-UEP12H
R88D-UEP20H
Leakage current (direct)
(including high-frequency current)
80 mA
60 mA
110 mA
Leakage current (resistor-capacitor, in commercial power supply
frequency range)
3 mA
4 mA
5 mA
2-27
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System Design and Installation
Chapter 2
Note
1. Leakage current values shown above are for motor power lines of 10 m or less. The values will change
depending on the length of power cables and the insulation.
Note
2. Leakage current values shown above are for normal temperatures and humidity. The values will
change depending on the temperature and humidity.
Note
3. Leakage current for 100-VAC-input Servomotors is approximately half that of the values shown above.
j Improving Encoder Cable Noise Resistance
Signals from the encoder are either A, B, or S phase. The frequency for A- or B-phase signals is
76.8 kHz max., while the transmission speed for S-phase signals is 307 kbps. Follow the wiring methods outlined below to improve encoder noise resistance.
• Be sure to use dedicated encoder cables.
• If lines are interrupted in the middle, be sure to connect them with connectors, making sure that the
cable insulation is not peeled off for more than 50 mm. In addition, be sure to use shielded wire.
• Do not coil cables. If cables are long and are coiled, mutual induction and inductance will increase and
will cause malfunctions. Be sure to use cables fully extended.
• When installing noise filters for encoder cables, use ferrite cores. The following table shows the recommended ferrite core models.
Maker
Tokin
TDK
Name
EMI core
Clamp filter
Model
ESD-QR-25-1
ZCAT2032-0930
ZCAT3035-1330
ZCAT2035-0930A
• Do not wire the encoder cable in the same duct as power cables and control cables for brakes, solenoids, clutches, and valves.
j Improving Control I/O Signal Noise Resistance
Position can be affected if control I/O signals are influenced by noise. Follow the methods outlined below for the power supply and wiring.
• Use completely separate power supplies for the control power supply (especially 12 to 24 VDC) and
the external operation power supply. In particular, be careful not to connect two power supply ground
wires. Install a noise filter on the primary side of the control power supply.
• Use separate power supplies for control power and for power for the pulse command and deviation
counter reset input lines. Do not connect the ground wires for these two power supplies to the same
ground.
• We recommend line drivers for the pulse command and deviation counter reset outputs.
• For the pulse command and deviation counter reset input lines, be sure to use twisted-pair shielded
cable, and connect both ends of the shield wire to ground.
• If the control power supply wiring is long, noise resistance can be improved by adding 1-µF laminated
ceramic capacitors between the control power supply and ground at the Servo Driver input section
and the controller output section.
• For encoder output (Z phase) lines, be sure to use twisted-pair shielded cable, and connect both ends
of the shield wire to ground.
• Wiring must be 1 m or less when using open-collector outputs.
2-28
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Chapter 2
System Design and Installation
2-2-5 Peripheral Device Connection Examples
j Connecting to Peripheral Devices
R
T
Single-phase, 200/230 VAC, 50/60 Hz (R88D-UEPH)
Single-phase, 100/115 VAC, 50/60 Hz (R88D-UEPL)
MCCB
1
E
3
2
NF
4
Noise filter
Main-circuit
power supply
Main-circuit connector
ON
OFF
1MC
Class-3 ground
(to 100 Ω or less)
1MC
Surge killer
X
X
1MC
PL
OMNUC U-series UE model
AC Servo Driver
24VDC
R
R88D-CAUS
(-CAUB)
OMNUC U-series UE model
Power Cable
AC Servomotor
(See note)
B
U
T
V
CN1
X
XB
Servo error display
M
34 ALM
W
12 to 24 VDC
35 ALMCOM
Class-3 ground
(to 100 Ω or less)
User’s control device
X
CN1
CN2
R88A-CRUC
Encoder Cable
E
CN1
BKIR 7
R88A-CPUS
General-purpose
Control Cable
XB
12 to 24 VDC
OGND 10
Note Use an independent power supply when using an electromagnetic brake.
2-29
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Chapter 2
System Design and Installation
j Connecting a Regeneration Unit
Single-phase 200/230 VAC 50/60 Hz: 88D-UEPH
Single-phase 100/115 VAC 50/60 Hz: 88D-UEPL
OMNUC U-series
AC Servo Driver
(UE model)
12 to 24 VDC
External Regenerative
Resistor
Short bar
Regeneration Unit
R88A-RG08UA
Note 1. Disconnect the short bar from terminals RG and JP before connecting the External Regenerative Resistor. Connecting the External Regenerative Resistor with the short bar attached
will result in damage to internal circuitry.
Note 2. Connect the External Regenerative Resistor between terminals P and RG.
Note 3. The Regeneration Unit does not conform to EC Directives.
Note 4. Connect the ALM output so that the power supply is broken when the contacts open. If a
power interruption sequence based on the output is not included in the circuit, the Unit may be
damaged.
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Chapter 2
System Design and Installation
2-3
Wiring Products Conforming to EC Directives
2-3-1 Connecting Servo Controllers
Use general-purpose control cables (purchased separately) to connect U-series UE
Model AC Servomotors and Servo Drivers to OMRON Servo Controllers.
j Connecting to a Servo Controller
Servo Controller
General-purpose Control Cable
R88A-CPUS
OMNUC U-series UE Model
AC Servo Driver
(Model conforming to EC Directives)
Power Cable
R88A-CAU001
R88A-CAU01B
OMNUC U-series
UE Model
AC Servomotor
(Model conforming
to EC Directives)
Encoder Cable
R88A-CRUDC
Note Refer to Chapter 5 Specifications for connector and cable specifications.
2-31
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Chapter 2
System Design and Installation
2-3-2 Wiring Servo Drivers
Provide proper wire diameters, ground systems, and noise resistance when wiring terminal blocks.
j Wiring Terminal Blocks
Power supply input terminals
Main-circuit DC output terminals
Red
To Motor
White
Blue
Power Cable
R88A-CAU001
R88A-CAU01B (with brake)
(The broken lines indicate signal
lines for the brake. There is no
polarity on these lines.)
Green
Black
Black
Terminal
Name
label
Power supply
L1
input
L2
+
–
U
V
W
24 VDC
Function
The commercial power supply input terminals for the main circuit and the
control circuitry.
y
R88D-UEPV: Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPW: Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
Main circuit DC
When there is a high level of regenerative energy in a multi-axis system, the
output
+ terminals can be connected together and the – terminals can be connected
together to increase the ability to absorb regenerative energy
Motor connection Red
These are the output terminals to the Servomotor. Be careful to wire
i l
h
l
terminals
correctly.
White them
Blue
Frame ground
Green Ground to a class-3 ground (to 100 Ω or less) or better.
Note Refer to 3-8 Regenerative Energy Absorption for the methods to calculate regenerative energy.
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Chapter 2
System Design and Installation
j Terminal Block Wire Sizes
The following table shows the rated effective currents flowing to the Servo Driver and the sizes of the
electrical wires.
D Servo Drivers with 200-VAC Input (R88D-UEPV)
Driver (Watts)
R88D-UEP04V
(100 W)
R88D-UEP08V
(200 W)
R88D-UEP12V
(400 W)
R88D-UEP20V
(750 W)
Power supply input current (L1, L2)
2.5 A
4.0 A
6.0 A
11.0 A
Motor output current (U, V, W)
0.87 A
2.0 A
2.6 A
4.4 A
Power supply input terminal wire size
Motor output terminal wire size
0.75
mm2
or AWG 18 min.
0.5 mm2 or AWG
20
1.25
mm2
2.0 mm2
AWG 20 (see note) to AWG 18
Use OMRON standard cable. The applicable wire size for motor connectors is
AWG22 to AWG18.
Protective earth terminal wire size
Use 2.0-mm2 external ground wires. Use the same wire as used for the motor
output.
Note If the cable length is 15 meters or longer for a 750-W Servomotor, the momentary maximum torque at rotation speeds of 2,500 r/min or higher may drop by approximately 7%.
D Servo Drivers with 100-VAC Input (R88D-UEPW)
R88D-UEP10W (100 W)
R88D-UEP12W (200 W)
R88D-UEP15W (300 W)
Power supply input current (L1, L2)
Driver model (Watts)
4.5 A
8.0 A
10.0 A
Motor output current (U, V, W)
2.2 A
2.7 A
3.7 A
Power supply input terminal wire size
0.75 mm2 or AWG 18
min.
1.25 mm2
2 mm2
Motor output terminal wire size
AWG 20 to AWG 18
Use OMRON standard cable. The applicable wire size for motor connectors is
AWG22 to AWG18.
Protective earth terminal wire size
Use 2.0-mm2 external ground wires. Use the same wire as used for the motor
output.
j Wire Sizes and Allowable Current
The following table shows allowable currents when there are three electrical wires. Use values equal to
or lower than the specified values.
D Heat-resistant Vinyl Wiring, UL1007, Rated Temperature 80°C (Reference Value)
AWG size
20
--18
16
Nominal crosssectional area
2)
(
(mm
0.5
0.75
0.9
1.25
Configuration
((wires/mm2)
19/0.18
30/0.18
37/0.18
50/0.18
Conductive
resistance
(Ω/k )
(Ω/km)
39.5
26.0
24.4
15.6
Allowable current (A) for
ambient temperature
40°C
6.6
8.8
9.0
12.0
50°C
5.6
7.0
7.7
11.0
60°C
4.5
5.5
6.0
8.5
2-3-3 Wiring Products Conforming to EMC Directives
Models conforming to EC Directive will meet the requirements of the EMC Directives EN55011 Class A
Group 1 (EMI) and EN50082-2 (EMS) if they are wired under the conditions described in this section. If
2-33
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Chapter 2
System Design and Installation
the connected devices, wiring, and other conditions cannot be made to fulfill the installation and wiring
conditions when the product is incorporated into a machine, the compliance of the overall machine must
be confirmed.
The following conditions must be met to conform to EMC Directives.
• The Servo Driver must be installed in a metal case (control panel).
• Noise filters and surge adsorbers must be installed on all power supply lines.
• Shielded cables must be used for all I/O signal lines and encoder lines. (Use tin-plated, soft copper
wires for the shield weaving.)
• All cables leaving the control panel must be wired in metal ducts or conduits with blades.
• Ferrite cores must be attached to the shielded cable and the shield must be clamped directly to the
ground plate to ground it.
j Wiring Methods
Control Panel
Device Containing Servomotor
Metal plate
Noise
filter
Metal
AC power duct or
conduit
supply
Surge
MCCB absorber
Brake power supply
L1
Noise
filter
2m
max.
Ground (100 Ω max.)
U
V
W
L2
Controller
power
supply
0.5 m
max.
R88D-U
CN2
B
Metal
duct or
conduit
Contactor
M
Ferrite
core
Ferrite
core
E
Clamp
Clamp
CN2
Controller
Clamp
1 m max.
Grounding plate
Controller
Note 1. The cable winding for the ferrite core must be 1.5 turns.
Note 2. Remove the sheath from the cable and ground it directly to the metal plate at the clamps.
• Ground the motor’s frame to the machine ground when the motor is on a movable shaft.
• Use the grounding plate for the protective earth for each Unit, as shown in the illustration, and ground
to a single point.
• Use ground lines with a minimum thickness of 3.5 mm2, and arrange the wiring so that the ground lines
are as short as possible.
• If no-fuse breakers (MCCB) are installed at the top and the power supply line is wired from the lower
duct, use metal tubes for wiring and make sure that there is adequate distance between the input lines
and the internal wiring. If input and output lines are wired together, noise resistance will decrease.
• No-fuse breakers (MCCB), surge absorbers, and noise filters (NF) should be positioned near the input
terminal block (ground plate), and I/O lines should be isolated and wired using the shortest means
possible.
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Chapter 2
System Design and Installation
• Wire the noise filter as shown at the left in the following illustration. The noise filter should be installed
at the entrance to the control panel whenever possible.
Good: Separate input and output
1
AC input
3
NF
2
NO: Noise not filtered effectively
1
AC output
E
4
AC input
3
NF
2
Ground
E
4
Ground
AC output
• Use twisted-pair cables for the power supply cables whenever possible, or bind the cables.
L1
L1
Driver
or
Driver
L2
L2
Binding
• Separate power supply cables and signal cables when wiring.
j Control Panel Structure
Any gaps in the cable entrances, mounting screws, cover, or other parts of a control panel can allow
electric waves to leak from or enter the control panel. The items described in this section must be abided
by in panel design and selection to ensure that electric waves cannot leak or enter the control panel.
D Case Structure
• Use a metal control panel with welded joints on the top, bottom, and all sides. The case must be electrically conductive.
• When assembling the control panel, remove the coating from all joints (or mask the joints when coating) to ensure electrical conductivity.
• Be sure that no gaps are created when installing the control panel, as can be cause by distortion when
tightening screws.
• Be sure there are not any electrically conductive parts that are not in electrical contact.
• Ground all Units mounted in the control panel to the panel case.
D Cover Structure
• Use a metal cover.
• Use a water-proof structure, as shown in the following diagram, and be sure there are no gaps.
• Use electrically conductive packing between the cover and the case, as shown in the following diagram. (Remove the coating the contact points of the packing (or mask the contact points when coating) to ensure electrical conductivity.)
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Chapter 2
System Design and Installation
• Be sure that no gaps are created when installing the cover, as can be cause by distortion when tightening screws.
Case
Case
Cover
Oil-proof
packing
Control panel
Conductive
packing
Oil-proof
packing
Conductive
packing
Case (inside)
j Selecting Components
D No-fuse Breakers (MCCB)
When selecting no-fuse breakers, take into consideration the maximum output current and the inrush
current. The momentary maximum output for a servo system is approximately three times that of the
rated output, and a maximum output of three seconds can be executed. Therefore, select no-fuse
breakers with an operating time of at least five seconds at 300% of the rated maximum output. Generalpurpose and low-speed no-fuse breakers are generally suitable. Refer to the table in 2-2-3 Terminal
Block Wiring for the power supply input currents for each motor, and then add the current consumption
for the number of shafts, other controllers, etc., to make the selection.
The Servo Driver inrush current flows at a maximum of 50 A for 20 ms when 200 V is input. With lowspeed no-fuse breakers, a inrush current 7 to 8 times the rated current flows for 0.1 second. When making the selection, take into consideration the entire inrush current for the system.
D Surge Absorbers
Use surge absorbers to absorb surges from power supply input lines due to lightning, abnormal voltages, etc. When selecting surge absorbers, take into account the varistor voltage, the amount of surge
immunity, and the amount of energy resistance. For 200-VAC systems, use a varistor voltage of 470 V.
The surge absorbers shown in the following table are recommended.
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Chapter 2
System Design and Installation
Maker
Model
Max. limit
voltage
783 V
783 V
R⋅A⋅V-781BYZ-2
R⋅A⋅V-781BXZ-4
Okaya
y
El
Electric
i Ind.
I d
Surge
immunity
1,000 A
1,000 A
Type
Block
Remarks
For power supply line
For power supply line
ground
Note
1. Refer to manufacturers documentation for operating details.
Note
2. The surge immunity is for a standard impulse current of 8/20 µs. If pulses are wide, either decrease the
current or change to a larger-capacity surge absorber.
D Noise Filters
Use the following noise filters on the power supplies for the Servo Driver and brake. These filters are
manufactured by Okaya Electric Ind.
Application
200 V, 100 W
Brake power supply
Model
Rated
current
SUP-P5HEPR-4
5A
200 V, 200 or 400 W SUP-P8H100 V, 100 W
EPR-4
8A
200 V, 750 W
100 V, 200 or 300W
10 A
SUP-P10HEPR-4
Test voltage
Between
terminals:
1,250 Vrms,
50/60 Hz, 60 s
Between
terminals and
case:
2,000 V rms,
50/60 Hz, 60 s
Insulation
resistance
Between
terminals and
case:
6,000 MΩ min.
(at 500 VDC)
Leakage
current
(
)
(max.)
0.6 mA
(at 250 Vrms
60 Hz)
Attenuation
characteristic
Normal
(MHz)
Common
(MHz)
0.5 to 30
0.2 to 30
0.6 to 30
0.3 to 30
0.7 to 30
0.4 to 30
The appearance of the noise filters is shown below. Screw terminals are used.
Two, 4.8 dia.
Five, M4
2-37
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Chapter 2
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D Surge Killers
Install surge killers for loads that have induction coils, such as relays, solenoids, brakes, clutches, etc.
The following table shows types of surge killers and recommended products.
Type
Diode
Features
Diodes are relatively small devices such as relays used
for loads when reset time is not an issue. The reset time
is increased because the surge voltage is the lowest
when power is cut off. Used for 24/48-VDC systems.
Thyristor
or
Varistor
Thyristor and varistor are used for loads when induction
coils are large, as in electromagnetic brakes, solenoids,
etc., and when reset time is an issue. The surge voltage
when power is cut off is approximately 1.5 times that of
the varistor.
Capacitor
+ resistor
Use capacitors and resistors for vibration absorption of
surge when power is cut off. The reset time can be
shortened by proper selection of the capacitor or resistor.
Recommended products
Use a fast-recovery diode with a
short reverse recovery time.
Fuji Electric Co., ERB44-06 or equivalent
Select varistor voltage as follows:
24-VDC system varistor:
100-VDC system varistor:
100-VAC system varistor:
200-VAC system varistor:
Okaya Electric Ind.
39 V
200 V
270 V
470 V
CR-50500 0.5 µF-50 Ω
CRE-50500 0.5 µF-50 Ω
S2-A-0
0.2 µF-500 Ω
Note Thyristors and varistors are made by the following companies. Refer to manufacturers documentation for
operating details. Thyristors: Ishizuka Electronics Co.
Varistors: Ishizuka Electronics Co., Matsushita Electric Parts
D Contactors
When selecting contactors, take into consideration the circuit’s inrush current and the momentary maximum current. The Servo Driver inrush current is 50 A, and the momentary maximum current is approximately twice the rated current. The following table shows the recommended contactors.
Maker
OMRON
Model
J7AN-E3
Rated current
15 A
Momentary maximum current
120 A
Coil voltage
24 VDC
D Leakage Breakers
• Select leakage breakers designed for inverters.
• Since switching operations take place inside the Servo Driver, high-frequency current leaks from the
armature of the Servomotor. With inverter leakage breakers, high-frequency current is not detected,
preventing the breaker from operating due to leakage current.
• When selecting leakage breakers, also remember to add the leakage current from devices other than
the Servomotor, such as machines using a switching power supply, noise filters, inverters, and so on.
• For detailed information about the selection methods of leakage breakers, refer to catalogs provided
by manufacturers.
• The following table shows the Servomotor leakage currents for each Servo Driver.
Driver
R88D-UEP04V to
-UEP08V
R88D-UEP12V
R88D-UEP20V
Leakage current (direct)
(including high-frequency current)
80 mA
Leakage current (resistor-capacitor,
in commercial power supply frequency range)
3 mA
60 mA
110 mA
4 mA
5 mA
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System Design and Installation
Chapter 2
Note 1. Leakage current values shown above are for motor power lines of 10 m or less. The values will
change depending on the length of power cables and the insulation.
Note 2. Leakage current values shown above are for normal temperatures and humidity. The values
will change depending on the temperature and humidity.
Note 3. Leakage current for 100-VAC-input Servomotors is approximately half that of the values
shown above.
j Improving Encoder Cable Noise Resistance
The following encoder signals are used: A, B, and S phase. The frequency for A- or B-phase signals is
154 kHz max.; the transmission speed for S-phase signals is 616 kbps.
Follow the wiring methods outlined below to improve encoder noise resistance.
• Be sure to use dedicated encoder cables.
• If lines are interrupted in the middle, be sure to connect them with connectors, making sure that the
cable insulation is not peeled off for more than 50 mm. In addition, be sure to use shielded wire.
• Do not coil cables. If cables are long and are coiled, mutual induction and inductance will increase and
will cause malfunctions. Be sure to use cables fully extended.
• When installing noise filters for encoder cables, use ferrite cores. The following table shows the recommended ferrite core models.
Maker
Tokin
TDK
Name
EMI core
Clamp filter
Model
ESD-QR-25-1
ZCAT2032-0930
ZCAT3035-1330
ZCAT2035-0930A
• Do not wire the encoder cable in the same duct as power cables and control cables for brakes, solenoids, clutches, and valves.
j Improving Control I/O Signal Noise Resistance
Position can be affected if control I/O signals are influenced by noise. Follow the methods outlined below for the power supply and wiring.
• Use completely separate power supplies for the control power supply (especially 24 VDC) and the
external operation power supply. In particular, be careful not to connect two power supply ground
wires. Install a noise filter on the primary side of the control power supply.
• For speed and torque command input lines, be sure to use twisted-pair shielded cable, and connect
both ends of the shield wire to ground.
• If the control power supply wiring is long, noise resistance can be improved by adding 1-µF laminated
ceramic capacitors between the control power supply and ground at the Servo Driver input section
and the controller output section.
• For encoder output (Z phase) lines, be sure to use twisted-pair shielded cable, and connect both ends
of the shield wire to ground.
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Chapter 2
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2-3-4 Peripheral Device Connection Examples
j Connecting to Peripheral Devices
R
T
Single-phase, 200/230 VAC, 50/60 Hz (R88D-UEPV )
Single-phase, 100/115 VAC, 50/60 Hz (R88D-UEPW)
MCCB
1
E
3
2
NF
4
Noise filter
Main-circuit
power supply
Main-circuit connector
ON
OFF
1MC
Class-3 ground
1MC
Surge killer
X
X
1MC
PL
OMNUC U-series UE model
AC Servo Driver
OMNUC U-series UE model
AC Servomotor
B
24VDC
L1
U
L2
V
CN1
X
XB
R88A-CAU001
(-CAU01B)
Power Cable
Servo error display
M
34 ALM
W
24 VDC
35 ALMCOM
Class-3 ground
(to 100 Ω or less)
User’s control device
X
CN2
R88A-CRUDC
Encoder Cable
CN1
E
CN1
BKIR 7
R88A-CPUS
General-purpose
Control Cable
XB
24 VDC
OGND 10
2-40
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3
Chapter 3
Operation
3-1
3-2
3-3
3-4
3-5
3-6
3-7
3-8
Operational Procedure
Turning On Power and Checking Displays
Using Parameter Units
Initial Settings: Setup Parameters
Setting Functions: User Parameters
Trial Operation
Making Adjustments
Regenerative Energy Absorption
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Chapter 3
Operation
Operation and Adjustment Precautions
! Caution
Confirm the settings of all parameters to be sure they are correct before starting actual operation. Incorrect parameters may damage the product.
! Caution
Do not make extreme changes in the settings of the product. Doing so may result in
unstable operation of the product and injury.
! Caution
Confirm the operation of the motor before connecting it to the mechanical system.
Unexpected motor operation may result in injury.
! Caution
If an alarm is ON, remedy the cause, make sure the system is safe, reset the alarm,
and restart the system. Not doing so may result in an injury.
! Caution
The system may restart abruptly when power is resupplied after an instantaneous
power failure. Take safety measures to prevent accidents that may result in an injury.
! Caution
Do not use the built-in brake of the Servomotor for normal control of the Servomotor.
Doing so may result in a Servomotor malfunction.
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Operation
3-1
Chapter 3
Operational Procedure
3-1-1 Beginning Operation
Before beginning operation, be sure to make the initial settings for the Servo Driver.
Make function settings as required according to the use of the Servomotor.
Any incorrect settings in the parameters could cause unexpected motor operation,
creating an extremely dangerous situation. Use the procedures provided in this section
to carefully set all parameters.
j Startup Procedure
1. Mounting and Installation
Install the Servomotor and Servo Driver according to the installation conditions: Chapter 2, section
2-1.
2. Wiring and Connections
Connect to power supply and peripheral devices: Chapter 2, section 2-2, 2-3.
The specified installation and wiring conditions are particularly important to ensure that models conforming to EC Directives actually conform to the EC Directive in the final system.
3. Turning on Power Supply
Before turning on the power supply, check the necessary items. In order to make the initial settings,
turn on an application power supply: Chapter 3, section 3-2.
4. Checking Display Status
Check by means of the displays to see whether there are any internal errors in the Servo Driver:
Chapter 3, section 3-2
5. Initial Settings
Make the settings for the operation setup parameters (initial settings): Chapter 3, section 3-4.
6. Function Settings
By means of the user parameters, set the functions according to the operating conditions: Chapter
3, section 3-5.
7. Trial Operation
Check to see whether protective functions such as emergency stop and operational limits are working reliably. Check operation at both low speed and high speed: Chapter 3, section 3-6.
8. Adjustments
Execute auto-tuning. Manually adjust the gain as required: Chapter 3, section 3-7.
9. Operation
Operation can now begin. If any trouble should occur, refer to Chapter 4 Applications: Chapter 4.
3-3
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Chapter 3
Operation
3-2
Turning On Power and Checking Displays
3-2-1 Items to Check Before Turning On Power
j Checking Power Supply Voltage
• Check to be sure that the power supply voltage is within the ranges shown below.
R88D-UEPH (200 VAC specifications):
Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPL (100 VAC specifications):
Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
R88D-UEPV (200 VAC specifications):
Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
R88D-UEPW (100 VAC specifications):
Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
j Checking Terminal Block Wiring
• The power supply input R and T phases must be properly connected to the terminal block.
• The Servomotor’s red (U), white (V), and blue (W) power lines and the green ground wire ( ) must be
properly connected to the terminal block.
j Checking the Servomotor
• There should be no load on the Servomotor. (Do not connect to the mechanical system.)
• The power line connectors at the Servomotor must be securely connected.
j Checking the Encoder Connectors
• The encoder connectors (CN2) at the Servo Driver must be securely connected.
• The encoder connectors at the Servomotor must be securely connected.
j Checking the Control Connectors
• The control connectors must be securely connected.
• The Run command must be OFF.
j Checking the Parameter Unit Connection
• The Parameter Unit (R88A-PR02U or R88A-PR03U) must be securely connected to connector
CN3.
3-2-2 Turning On Power and Confirming the Display
j Turning On Power
• Confirm that it is safe to turn on the power supply and then turn on the power supply.
3-4
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Chapter 3
Operation
j Checking Displays
• When the power is turned on, one of the codes shown below will be displayed.
Normal (Base block)
Error (Alarm Display)
b b
0 2
Note
1. “Base block” means that the Servomotor is not receiving power.
Note
2. The alarm code (the number shown in the alarm display) changes depending on the contents of the
error.
• If the display is normal (i.e., no errors), use it as a monitor mode speed display. Manually turn the
Servomotor shaft clockwise and counterclockwise, and check to be sure that it agrees with the positive and negative on the speed display. If it does not agree, then the encoder signal line may be wired
incorrectly.
Reverse rotation
Display example
0038
Forward rotation
0 0 2 5
Reverse rotation
Forward rotation
Note To monitor the speed feedback value, press the MODE/SET Key and go into monitor mode
u n 0 0 . Then press the DATA Key.
• If there is an error, refer to Chapter 4 Application and take the necessary countermeasures.
3-5
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Chapter 3
Operation
3-3
Using Parameter Units
The key operations for the Hand-held R88A-PR02U Parameter Unit and the Mounted
R88A-PR03U Parameter Unit vary depending on the functions used.
3-3-1 Parameter Unit Keys and Functions
Hand-held
Parameter Unit
R88A-PR02U
Mounted
Parameter Unit
R88A-PR03U
PR02U
PR03U
RESET
+
Function
Alarm reset
---
Mode switching
Data memory
Servo ON/OFF during jog operations
Switching between parameter
display and data display; data
memory
Increments parameter numbers and data values.
Decrements parameter numbers and data values.
Left shift for operation digits
---
Right shift for operation digits
SERVO
DATA
DATA
DATA
3-3-2 Modes and Changing Modes
j Modes
OMNUC U-series AC Servo Drivers have four operating modes, as described in the following table. For
example, the Settings Mode is used to set parameters.
Mode
Status display mode
Function
Bit display (indicating internal status via indicators):
Power supply ON display, base block, positioning completion, and rotation detection,
command pulse input
Symbol display (indicating internal status via 3-digit 7-segment display):
Base block, operating, forward rotation prohibited, reverse rotation prohibited, alarm
display
Settings mode
System check: Jog operations, alarm history data clear, motor parameters check,
auto-tuning
Setting and checking setup parameters
Setting and checking user parameters
Speed feedback, torque commands, number of pulses from U-phase, electrical
angle, internal status bit display, command pulse speed display, position deviation,
input pulse counter
Displays contents of alarms that have been previously generated (up to a maximum
of 10).
Monitor mode
Alarm history display
mode
3-6
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Chapter 3
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j Changing Modes
To change modes, press the MODE/SET Key.
Status display
mode
Power ON
(Display example)
.
bb
Settings mode
Monitor mode
Alarm history
display mode
c n 0 0
u n 0 0
0 a.0 2
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Chapter 3
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3-3-3 Mode Changes and Display Contents
Power ON
Status display
mode
(Display example)
.
Bit Displays (page 4-4)
Power ON
Base block (motor not receiving power)
Positioning completion
Command pulse input
Motor rotation detected
Symbol Displays
bb
b
r U
p %
n %
a. Settings mode
c n 0 0
c n 0 1
c n 0 2
Setup
parameter
no. 2
User parameters
Monitor mode
Alarm
history
display
mode
u
u
u
u
u
u
u
u
u
n
n
n
n
n
n
n
n
n
0
0
0
0
0
0
0
0
0
0
2
3
4
5
6
7
8
9
DATA
DATA
Alarm display
Jog operation (page 3-20)
Clear alarm history data (page 4-11)
Motor parameters check (page 4-7)
Auto-tuning (page 3-21)
System check mode
Setup
parameter
no. 1
b Base block
n In operation (running)
t Forward rotation prohibited
t Reverse rotation prohibited
Sequence input signal switch (page 3-10)
Abnormal stop selection
Deviation counter with Servo OFF
Reverse mode (page 3-11)
Command pulse mode
Deviation counter clear
Torque command filter time constant
Monitor output level switch
c n 0 4
Speed loop gain (page 3-14)
c n 2 6
Position command acceleration/deceleration time constant.
Speed feedback (page 4-5)
Torque command
Number of pulses from U-phase edge
Electrical angle
Internal status bit display 1
Internal status bit display 2
Command pulse speed display
Position deviation (deviation counter)
Input pulse counter
0 a.
Error one time before (page 4-11)
9 a.
Error ten time before
3-8
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Chapter 3
Operation
3-4
Initial Settings: Setup Parameters
Setup parameters are parameters that are essential for starting up the system. They include I/O signal function changes, selection of processing for momentary stops and errors, command pulse modes, and so on. Set them to match the user system.
Once the parameters have been set, they become effective when the power supply is
turned on again after having been turned off. (Check to see that the LED display has
gone off.)
3-4-1 Setting and Checking Setup Parameters (Cn-01, 02)
j Displaying Setup Parameters
There are two setup parameters: No. 1 (Cn-01) and No. 2 (Cn-02).
To display the contents of setup parameters, execute the following key operations.
1. To go into settings mode (cn00), press the MODE/SET Key.
2. To display the setup parameter number (cn01 or cn02), press the Up and Down keys.
3. To display the contents of the setup parameter, press the DATA key.
To display the setting of setup parameter No. 2, press the Up Key twice at step 2. before pressing the
DATA Key.
The contents of the setup parameters are displayed as follows:
E C
A 8
6
4
2
0
0
Bit no.
F d
b
9
7
5
3
1
Bit no. to be set.
In the leftmost four digits, 16 bits of information are displayed. In the rightmost digit, the bit number that
can be set is displayed. It can be checked whether the bit information is “0” (not lit) or “1” (lit), according
to the 7-segment display vertical bar. To change the set value, first set the bit number in the rightmost
digit, and then set the appropriate bit to “0” or “1.”
j Setting Setup Parameters
First, display the setting of the setup parameter (No. 1 or No. 2) using the procedure given above. To
change a setting, specify the bit to be changed and then set it to “1” or “0.”
D Making Settings with Hand-held Parameter Unit (R88A-PR02U)
1. Use the Right and Left Keys to display in the rightmost digit the bit number that is to be set.
2. Using the Up (or Down) Key, reverse the lit/not lit status of the appropriate bit number. For “lit,” set
the bit number to “1.” For “not lit,” set it to “0.”
3. Repeat steps 1 and 2 above as required.
4. Save the data in memory by pressing the MODE/SET Key (or the DATA Key).
5. With this, the parameter setting operation is complete. Pressing the DATA Key at this point will bring
back the parameter number display.
D Making Settings with Mounted Parameter Unit (R88A-PR03U)
1. Use the Up and Down Keys to display in the rightmost digit the bit number that is to be set.
2. Using the MODE/SET Key, reverse the lit/not lit status of the appropriate bit number. For “lit,” set the
bit number to “1.” For “not lit,” set it to “0.”
3-9
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Chapter 3
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3. Repeat steps 1 and 2 above as required.
4. Save the data in memory by pressing the DATA Key.
5. With this, the parameter setting operation is complete. Pressing the DATA Key at this point will bring
back the parameter number display.
3-4-2 Setup Parameter Contents (Cn-01 and Cn-02)
j Setup Parameter No. 1 (Cn-01)
Item
Bit no.
Sequence
q
input sigg
nall switching
i hi
Abnormal stop
Deviation counter
with
i h Servo
S
OFF
Factory
setting
Setting
Explanation
0
0
1
2
0
1
3
1
4
0
0
1
--0
1
0
1
---
Servo turned ON or OFF by Run command (externally input).
Servo always ON.
Not used.
Enables forward drive prohibit input (POT).
Permits always-forward drive.
Enables reverse drive prohibit input (NOT).
Permits always-reverse drive.
Not used.
5
1
---
Not used.
6
1
---
Not used.
7
8
1
0
---
Not used.
0
The dynamic brake decelerates to stop the Servomotor at the
time of overtraveling.
1
The maximum torque decelerates to stop the Servomotor at the
time of overtraveling.
---
Not used.
Clear counter for alarms occurring while Servo is OFF
Do not clear counter for alarms occurring while Servo is OFF
Not used.
9
A
0
0
b
1
0
1
---
C
0
---
Not used.
d
0
---
Not used.
E
0
---
Not used.
F
0
---
Not used.
Note 1. Do not change the settings of bits 1, 4 through 7, 9, or b through F of setup parameter 1
(Cn-01).
Note 2. These parameters become effective only after power is reset. Confirm that the indicators go
out before turning power back on. (Check to see that the LED display has gone off)
3-10
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Chapter 3
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j Setup Parameter No. 2 (Cn-02)
Item
Bit
no.
Reverse rotation mode
Command pulse mode
Deviation counter clear
Torque
q command filter
time
i
constant
Parameter Unit monitor
output llever change
h
Factory
setting
Setting
Explanation
0
0
1
0
0
1
---
CCW direction is taken as forward rotation.
CCW direction is taken as reverse rotation.
Not used.
2
5,, 4,, 3
0
0,, 0,, 1
---
Not used.
6
0
0, 0, 0
0, 0, 1
0, 1, 0
0, 1, 1
1, 0, 0
---
Feed pulse / Forward/reverse signal
Forward rotation pulse / Reverse rotation pulse
90° phase difference (A/B phase) signal (1X)
90° phase difference (A/B phase) signal (2X)
90° phase difference (A/B phase) signal (4X)
Not used.
7
0
---
Not used.
8
0
---
Not used.
9
A
0
1
---
Not used.
b
C
0
0
0
1
---
The deviation counter is cleared at H level.
The deviation counter is cleared at differential rising edge.
Not used.
d
E
0
0
0
1
---
Primary filter
Secondary filter
Not used.
F
0
0
1
---
Position deviation monitor set for 1 command.
Position deviation monitor set for 100 commands.
Not used.
Note 1. Do not change the settings of bits 1, 2, 6 through 9, b, d, or F of setup parameter 2 (Cn-02).
Note 2. These parameters become effective only after power is reset. Confirm that the indicators go
out before turning power back on. (Check to see that the LED display has gone off)
3-4-3 Important Setup Parameters (Cn-01 and Cn-02)
This section explains the particularly important setup parameters. If these parameters aren’t set properly, the motor might not operate or might operate unpredictably. Set these parameters appropriately for
the system being used.
j Command Pulses in Position Control
Bits 3, 4, and 5 of Cn-02 specify the kind of command pulse mode used for position control, as shown in
the following table.
Cn-02 bit 3
0
1
0
1
0
Cn-02 bit 4
0
0
1
1
0
Cn-02 bit 5
0
0
0
0
1
Selected command pulse mode
Feed pulse (PULS)/Direction signal (SIGN)
Forward pulse (CCW)/Reverse pulse (CW) (Factory setting)
90differential phase (A/B phase) signal (1×)
90differential phase (A/B phase) signal (2×)
90differential phase (A/B phase) signal (4×)
Note One of three multiples can be selected when inputting a 90differential phase signal (1×, 2×, or
4×). If the 4× multiple is selected, the input pulses are multiplied by a factor of 4, so the number of
motor revolutions (speed and angle) are 4 times the number when the 1× multiple is selected.
3-11
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Chapter 3
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j Overtraveling Servomotor Deceleration to Stop (Bit 08 of Cn-01)
Select either one of the following methods of motor deceleration to stop at the time of overtraveling.
Overtravel
occurs.
Bit 8
0
1
Deceleration method
Stop condition
Decelerate by dynamic brake.
Servo free (dynamic brake OFF)
Decelerate by the maximum
torque.
Servo lock
While the Servomotor is in servo OFF condition, the following motor deceleration method is used when
an alarm goes off.
Servo OFF
or Alarm
3-5
Deceleration method
Stop condition
Decelerate by dynamic brake.
Servo free (dynamic brake ON)
Setting Functions: User Parameters
Execute the user parameter settings in order as follows:
Go into settings mode. . . . . . . . . . . . . . . . . . . . . . MODE/SET Key
Display the pertinent parameter number. . . . . . Direction Keys (Handy-type)
Up and Down Keys (Mounted-type)
Display the contents (data) of the parameter. . DATA Key
Change the data. . . . . . . . . . . . . . . . . . . . . . . . . . Direction Keys (Handy-type)
Up and Down Keys (Mounted-type)
Save the data in memory. . . . . . . . . . . . . . . . . . . MODE/SET and DATA Keys
3-5-1 Setting and Checking User Parameters (Cn-04 to 26)
j Displaying User Parameters
Perform the following procedures on the Parameter Unit to display the user parameters.
D Displaying with Handy-type (R88A-PR02U)
1. Press the MODE/SET Key to go into settings mode (cn).
2. Press the Direction Keys to display the desired user parameter number.
Press the Right and Left Keys to select the digit to be set. The digit whose value can be set will blink.
Press the Up and Down Keys to increment or decrement the digit.
3. Press the DATA Key to display the setting of the specified parameter.
4. Press the DATA Key again to return to the parameter number display.
Note If only the Up or Down Key is pressed at step 2., the parameter number can be set directly. In this
case, the rightmost digit will blink. The number cannot be set if the second digit (the 10s digit) is
blinking (i.e., blinking indicates the digit that can be changed).
3-12
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Chapter 3
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D Displaying with Mounted-type (R88A-PR03U)
1. Press the MODE/SET Key to go into settings mode (cn).
2. Press the Up and Down Keys to display the desired user parameter number.
The number will be incremented or decremented each time the Up or Down Key is pressed.
3. Press the DATA Key to display the setting of the specified parameter.
4. Press the DATA Key again to return to the parameter number display.
D Parameter Display Example
Parameter Number Display
[1]
[2]
Data Display
DATA
c
n
0
4
0
0
0
8
0
DATA
[5]
[4]
j Setting User Parameters
First, use the previous procedure to display the settings of the user parameter. Then use the following
procedures to set user parameters.
D Making Settings with Handy-type (R88A-PR02U)
1. Use the Right and Left Keys to select the digit that is to be set. The digit for which the value can be
changed will blink.
2. Press the Up and Down Keys to change the value of the digit.
3. Repeat the previous two steps as required to set the parameter.
4. Press the MODE/SET or DATA Key. The parameter will be set and the display will blink.
5. Press the DATA Key again to return to the parameter number display.
6. Repeat steps 1 through 5 above as required to set other parameters.
Note 1. Settings can also be made by pressing only the Up and Down Keys in stead of using steps 1.
and 2. This will enable setting digits higher than the one that is blinking. Use whichever method is faster for the number of digits that need to be set.
Note 2. The Down Key can be pressed when all digits higher than the blinking one are zeros to set the
minimum value in the setting range.
Note 3. The fifth digit (i.e., the leftmost digit) cannot be made to blink by pressing the Left Key. The fifth
digit can be set from the fourth digit. For example, to set “10000,” press the Left Key to make
the fourth digit blink and then press the Up Key again once the fourth digit reaches “9.” The
fifth digit will change to “1” and the fourth digit will change to “0.”
D Making Settings with Mounted-type (R88A-PR03U)
1. Using the Up and Down Keys, set the data. If the keys are held down, the numbers will change 10 at
a time. If the keys are held down even longer, the numbers will change 100 and then 1,000 at a time.
2. Press the MODE/SET Key (or the DATA Key). The parameter will be set and the display will blink.
3. Pressing the DATA Key again will bring back the parameter number display.
4. Repeat steps 1 through 4 above as required to set other parameters.
3-13
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Chapter 3
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3-5-2 User Parameter Chart
PRM
No.
Cn-00
System check mode
Factory
setting
---
---
---
Cn-01
Setup parameter no. 1
---
---
---
Cn-02
Setup parameter no. 2
---
---
---
Cn-04
Speed loop gain
(See note 1)
Speed loop integration
constant
Brake timing
80
Hz
1 to 2,000
20
ms
2 to 10,000
0
10 ms
0 to 50
Torque command filter
time constant
4
100 µs
0 to 250
Cn-1A Position loop gain
40
1/s
1 to 500
Cn-1b
3
0 to 250
4
Command
units
---
1
---
1 to 65,535
0
0.1 ms
0 to 640
Cn-05
Cn-12
Cn-17
Cn-24
Cn-25
Cn-26
Parameter name
Positioning completion
range
Electronic gear ratio G1
(numerator) (see note 2)
Electronic gear ratio G2
(denominator) (see note 2)
Position command acceleration/deceleration time
constant
Unit
Setting
range
1 to 65,535
Explanation
Refer to system check mode
explanation.
Refer to setup parameter no. 1
explanation.
Refer to setup parameter no. 2
explanation.
Adjusts speed loop response.
Speed loop integration
constant.
Delay time setting from brake
command until servo turns off.
Setting for torque command filter time constant (6.4 to
398 Hz).
For position loop response adjustment.
Sets the range for the positioning completion signal output.
Setting range
0.01 x G1/G2 x 100
Sets the setting number for
smoothing.
Note 1. Cn-04 (speed loop gain) is factory set for three times the load inertia. Therefore, if the load
inertia is extremely small, some oscillation may occur. If it does, then lower Cn-04 to 20 or
less.
Note 2. After the settings for Cn-24 (Electronic gear ratio G1 (numerator)), and Cn-25 (Electronic gear
ratio G2 (denominator)) have been made, they become effective when the power is turned on
again after having been cut off. (Check to see that the LED display has gone off.)
3-5-3 Electronic Gear
j Function
• The motor will be driven with a pulse determined by multiplying the command pulse count by the
electronic gear ratio.
• The electronic gear is useful for the following applications:
To fine-tune the position and speed of two lines that must be synchronized.
When using a positioner with a low command pulse frequency.
To set the machine movement per pulse to a specific value, such as 0.01 mm.
j Setting User Parameters
• The electronic gear is set as G1 divided by G2 (G1/G2). G1 is set in user parameter Cn-24; G2 is set
in Cn-25. The target pulse count is computed as follows:
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Chapter 3
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Target pulse count = Command pulse count x G1/G2
• If G1/G2 = 1, the motor will turn once for every 4,096 command pulses (driver running at a factor of
4X).
• One pulse for the position deviation (deviation counter) display and positioning completion range will
be equivalent to one input pulse (here the unit is said to be the command).
PRM
No.
Cn-24
Cn-25
Parameter name
Electronic gear ratio G1
(numerator)
Electronic gear ratio G2
(denominator)
Factory
setting
4
Unit
---
Setting
range
1 to 65,535
1
---
1 to 65,535
Explanation
Setting range
1/100 ≤ G1/G2 ≤ 100
Note The factory settings will produce turn the motor once for every 1,024 input pulses.
j Example
If G1 is set to 4,096 and G2 is set to 1,000, the motor will turn once for every 1,000 input pulses (output as
4,096 pulses). The motor speed will also be 4,096/1,000 times faster.
Driver
1,000 pulses
Electronic gear
4,096 pulses
Motor
One revolution
(4,096 pulses)
G1/G2
= 4,096/1,000
3-5-4 Brake Interlock (For Motors with Brakes)
j Magnetic Brakes
The magnetic brakes for Servomotors with brakes are specialized holding brakes with non-magnetized
operation. Therefore set the parameters so that the brake power supply is turned off after the Servomotor stops. If the brake is applied while the Servomotor is operating, the brake will suffer abnormal wear or
even damage, and will quickly become defective.
For wiring methods, refer to 2-2-5 Peripheral Device Connection Examples.
j Function
The output timing of the brake interlock signal (BKIR) that control turning the magnetic brake ON and
OFF can be set.
j Parameters to be Set
PRM
No.
Cn-12
Parameter name
Brake timing
Factory
setting
0
Unit
10 ms
Setting
range
0 to 50
Explanation
Delay time setting from brake
command until servo turns off.
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Chapter 3
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j Operation
D Timing for Run Command (RUN) (When Servomotor is Stopped)
Run instruction
RUN
ON
OFF
25 to 35 ms
Brake interlock
signal
BKIR
ON
OFF
Brake power
supply
ON
OFF
Approx. 6 ms
200 ms max.
100 ms max.
Cancelled
Brake
operation Maintained
Pulse train
command
CW/CCW
ON
OFF
(See note 1)
Cn-12 (see note 2)
Power to
motor
Power on
Power off
Note 1. It takes up to 200 ms for the brake to be cleared after the brake power supply has been turned
on. Taking this delay into account, have the speed command be given after the brake has
been cleared.
Note 2. It takes up to 100 ms for the brake to be held after the brake power supply has been turned off.
When using it for the vertical shaft, take this delay into account and set brake timing 1 (Cn-12)
so that the Servomotor will not receive power until after the brake is held.
D Timing for Power Supply (When Servomotor is Stopped)
Power supply
ON
OFF
55 to 75 ms
Brake interlock
signal
BKIR
ON
OFF
Cn-12 (see note)
Power to
motor
Power on
Power off
Note It takes up to 100 ms for the brake to be held after the brake power supply has been turned off.
When using it for the vertical shaft, take this delay into account and set brake timing 1 (Cn-12) so
that the Servomotor will not receive power until after the brake is held.
3-16
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Chapter 3
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D Timing for Run Command (RUN), Errors, Power Supply: Servomotor Stopped
Power supply
ON
OFF
Run command
RUN
ON
OFF
Alarm output
ALM
(See note 2)
Brake interlock
signal
BKIR
Power to
motor
ON
OFF
Power on
Power off
Approx. 10 ms
(See note 1)
Motor rotational
speed
Braking by dynamic brake
100 r/min
Note 1. For the approximately 10 ms it takes from when the power to the Servomotor turns off until the
dynamic brake operates, the Servomotor rotates by momentum.
Note 2. If the motor rotational speed falls to 100 r/min or below, or if 500 ms elapse after power to the
Servomotor is interrupted, the brake interlock signal (BKIR) will turn OFF.
Note 3. The dynamic brake decelerates to stop the Servomotor when the RUN signal is OFF, alarm
output is ON, or power is turned off. The Servomotor will be in servo free condition with the
dynamic brake ON after the Servomotor stops rotating.
3-17
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Chapter 3
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3-6
Trial Operation
After the wiring is complete and the parameter settings have been made, conduct a trial
operation. First, check with rotation of the motor without connecting a load (i.e., without
connecting the mechanical system). Then, connect the mechanical system, auto-tune
the system, and confirm that the correct operation pattern is performed.
3-6-1 Preparations for Trial Operation
j Preparations
D Power Off
The power supply must be toggled to apply some of the parameter settings. Always turn off the power
supply before starting.
D No Motor Load
Do not connect a load to the motor shaft during trial operation, just in case the motor runs out of control.
D Stopping the Motor
Make sure that the power switch can be turned off or the Run command used to stop the motor immediately in case of trouble.
D Connecting a Parameter Unit
Connect a Parameter Unit to the CN3 connector on the front of the Servo Driver if one is not already
connected.
j Actual Trial Operation
(1) Powering Up
• With the run command (RUN) OFF, apply an AC voltage.
• After internal initialization, the mode will be the status display mode.
Display example:
b
b
• Set the speed loop gain (Cn-04) to 20 or less. (Match the gain with no load.)
1. Confirm the initial display shown above.
2. Press the MODE/SET Key to enter the settings mode.
3. Press the Up Key to specify user parameter Cn-04.
4. Press the DATA Key to display the setting of Cn-04.
5. Press the Down Key to change the setting to 20.
6. Press the DATA Key to record the new setting in memory.
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Operation
Chapter 3
7. Press the DATA Key again to return to the parameter number display.
(2) Jog Operations (See 3-6-2 Jog Operations.)
• Perform jog operations using the Parameter Unit and confirm the following:
Does the motor turn in the correct direction?
Is there any unusual sound or vibration?
Do any error occur?
• If an error occurs, refer to Chapter 4 Application for troubleshooting.
(3) Connect a load and auto-tune (See 3-7 Making Adjustments.)
• Connect the motor shaft to the load (mechanical system) securely, being sure to tighten screws so that
they will not become loose.
• Perform auto-tuning with the Parameter Unit.
(4) Turning ON the Run command Input
• Turn ON the run command input. The Servomotor will go into servo-ON status.
• Give a speed command, or carry out the following check with a jogging operation.
(5) Low Speed Operation
• Operate at low speed.
Apply a low-frequency pulse command.
The meaning of “low speed” can vary with the mechanical system. Here, “low speed” means approximately 10% to 20% of the actual operating speed.
• Check the following items.
Is the emergency stop operating correctly?
Are the limit switches operating correctly?
Is the operating direction of the machinery correct?
Are the operating sequences correct?
Are there any abnormal sounds or vibration?
Is anything abnormal occurring?
• If anything abnormal occurs, refer to Chapter 4 Application and apply the appropriate countermeasures.
(6) Operation Under Actual Load Conditions
• Operate the Servomotor in a regular pattern and check the following items.
Is the speed correct? (Use the speed display.)
Is the load torque roughly equivalent to the measured value? (Use the torque command display.)
Are the positioning points correct?
When an operation is repeated, is there any discrepancy in positioning?
Are there any abnormal sounds or vibration?
Is either the Servomotor or the Servo Driver abnormally overheating?
Is anything abnormal occurring?
• If anything abnormal occurs, refer to Chapter 4 Application and apply the appropriate countermeasures.
(7) Readjust the gain.
• If the gain could not be adjusted completely using auto-tuning, perform the procedure in 3-7 Making
Adjustments to adjust the gain.
3-19
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Chapter 3
Operation
3-6-2 Jog Operations
Jog operations rotate the Servomotor in a forward or reverse direction using the Parameter Unit. Jog
operations are made possible when system check mode Cn-00 is set to “00.” The items in parentheses
in the following explanation indicate operations using the Handy-type Parameter Unit.
[1]
c
n
Indicates settings mode.
0
[2]
0
System check mode
DATA
0
0
0
[5]
0
Data
OFF [4]
[4] ON
0
g
j Operating Procedure (Key in Parentheses are for Mounted-type
Parameter Units)
1. Confirm that the initial display is shown (–. bb).
2. Press the MODE/SET Key to enter the settings mode.
3. Using the Up and Down Keys, set parameter number “00.” (System check mode)
4. Press the DATA Key to display the setting of Cn-00.
5. Using the Up and Down Keys, set the parameter to “00.” (Jog operation)
6. Press the MODE/SET Key to shift to the jog display.
7. Press the SERVO (DATA) Key to turn on the servo.
8. Press the Up Key to jog forward. Forward operation will continue as long as the key is held down.
9. Press the Down Key to jog in reverse. Reverse operation will continue as long as the key is held
down.
10. Press the SERVO (DATA) Key to turn off the servo.
11. Press the MODE/SET Key to return to the data display.
12. Press the DATA Key to return to the settings mode.
Note The motor speed for jogging is 500 r/min. The jogging speed cannot be changed.
3-20
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Chapter 3
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3-7
Making Adjustments
3-7-1 Auto-tuning
Auto-tuning rotates the Servomotor with a load connected (mechanical system), and automatically adjusts the position loop gain, the speed loop gain, and the speed loop integration time constant. When adjustments cannot be made by auto-tuning, refer to
3-7-2 Manually Adjusting Gain.
j Executing Auto-tuning
[1]
c
n
0
[2]
0
DATA
[3]
0
0
0
5
[6]
Indicates settings mode.
System check mode
Data
[4]
[5]
c
0
0
1
t
U
n
n
d
Auto-tuning display
e
Auto-tuning end display
1. Confirm that the initial display is shown (–. bb).
2. Press the MODE/SET Key to enter the settings mode.
3. Using the Up and Down Keys, set parameter number “00.” (System check mode)
4. Press the DATA Key to display the setting of Cn-00.
5. Using the Up and Down Keys, set the parameter to “05.” (Auto-tuning)
6. Press the MODE/SET Key to switch to the mechanical rigidity selection display.
7. Using the Up and Down Keys, adjust the rigidity to the mechanical system.(Refer to Selecting Mechanical Rigidity below.)
8. Press the MODE/SET Key to switch to the auto-tuning display.
9. Press the SERVO (DATA) Key to turn on the servo. (This step is not required if the Run Command
Input is ON.)
10. Perform auto-tuning, using the Up Key for forward operation and the Down Key for reverse operation. Continue pressing the key until “End” is displayed, indicating that auto-tuning has been completed.
3-21
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Chapter 3
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11. Release the key. The data display will return.
12. Press the DATA Key to return to the settings mode.
j Selecting Mechanical Rigidity
Select the set value to match the rigidity of the mechanical system.
Response
Low
Medium
High
g
Set
Position loop gain
value
(1/s)
001
16
002
28
003
40
004
005
006
007
56
78
108
130
Representative applications
Articulated robots,, harmonic drives,, chain drives,, belt drives,,
rack
k and
d pinion
i i d
drives,
i
etc.
XY tables, Cartesian-coordinate robots, general-purpose machinery, etc.
Ball screws ((direct coupling),
g), feeders,, etc.
j Auto-tuning
• Auto-tuning will not be complete until at least three operations have been completed. Be sure there is
plenty of room for the machine to operate.
• If the auto-tuning is not complete after three operation, operations will be repeat as long as the key is
held down.
• The motor speed for auto-tuning is approximately 250 r/min. The auto-tuning speed cannot be changed.
• Auto-tuning will automatically change the setting of the user parameter position loop gain (Cn-1A),
speed loop gain (Cn-04), and speed loop integration time constant (Cn-05). These values will not be
changed, however, until the auto-tuning operation has been completed.
• If auto-tuning does not complete or if the gain set via auto-tuning is not sufficient, adjust the gain manually using the procedure in 3-7-2 Manually Adjusting Gain.
250 r/min
0
Approx. 1.1 s
Approx. 0.7 s
3-22
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Chapter 3
Operation
3-7-2 Manually Adjusting Gain
Gain Adjustment Flowchart
! Caution
Do not make large adjustments. Doing so will result in unstable operation and may
lead to injury. Based on the Gain Adjustment Standards below, change settings a
little at a time while checking motor operation.
Perform auto-tuning to match the rigidity of the mechanical system.
The motor hunts when servo-locked.
(Accompanied by a hunting noise.)
NO
Raise the rigidity selection to the value
just before hunting occurs and perform
auto-tuning.
Do characteristics such as positioning
time meet system specifications?
YES
Decrease the rigidity selection so
hunting doesn’t occur and perform
auto-tuning.
YES
End adjustment.
NO
Increase Cn-04 (speed loop gain) to a
value where hunting doesn’t occur in
servo-lock.
Decrease Cn-05 (speed loop integration time constant) to a value where
hunting doesn’t occur in servo-lock.
Does hunting (vibration) occur
when the motor is operated?
NO
Run the motor and monitor its operation.
Increase Cn-1A (position loop gain),
but do not increase it so far that overshooting occurs.
End adjustment.
YES
Decrease Cn-04 (speed loop gain).
Increase Cn-05 (speed loop integration time constant).
: When vibration can’t be eliminated despite
several adjustments or positioning is too slow:
Increase Cn-17 (torque command filter
time constant).
3-23
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Chapter 3
Operation
j Gain Adjustment Standards
The following table shows reference values for gain adjustment. Adjustments can be made quickly if
these values are used as standards. Make the initial gain setting based on the load inertia.
Load inertia
factor
1
3
3
10
20
20
Speed loop gain
Cn-04 (Hz)
80
80
120
350
420
200
Speed loop
integration constant
Cn-05 (ms)
40
20
30
40
80
120
Position loop gain
Cn-1A (1/s)
60
40
40
40
20
10
Comments
High rigidity
Factory setting
----Moderate rigidity
Low rigidity
Adjustment Parameters
j Adjusting Speed Loop Gain
PRM
No.
Cn-04
Parameter name
Speed loop gain
Factory
setting
80
Unit
Hz
Setting
range
1 to
2,000
Explanation
Adjusts the speed loop response.
As the gain is increased, the servo rigidity
is strengthened. The greater the inertia
rate, the higher this is set. If the gain is set
too high, oscillation will occur.
When the speed loop gain is manipulated, the response is as shown in the diagram below.
When speed loop gain is high.
(Oscillates when gain is too high.)
Motor
speed
(speed monitor)
When speed loop gain is low.
Time
3-24
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Chapter 3
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j Adjusting the Speed Loop Integration Time Constant
PRM
No.
Cn-05
Parameter name
Factory
setting
Speed loop integra- 20
tion constant
Unit
1 ms
Setting
range
2 to
10,000
Explanation
Speed loop integration constant.
As the constant is increased, the response
is shortened and the resiliency toward external force is weakened. If it is set too
short, vibration will occur.
When the speed loop integration time constant is manipulated, the response is as shown in the diagram
below.
When speed loop integral time constant is short.
Motor
speed
(speed monitor)
When speed loop integral time
constant is long.
Time
PRM
No.
Cn-17
Cn-1A
Parameter name
Torque command
filter time constant
Position loop gain
Factory
setting
4
Unit
0.1 ms
Setting
range
0 to 250
Explanation
Sets torque command filter time constant.
Increase the time constant to reduce oscillation and vibration due to machinery resonance frequency.
40
1/s
1 to 500
The filter characteristic is switched using
the torque command filter time constants.
For servo-lock strength adjustment when
position lock function is used. Adjust to
match mechanical rigidity.
3-25
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Chapter 3
Operation
j Position Loop Gain
Adjust the position loop gain according to the rigidity of the machine.
The responsiveness of the servo system is determined by the position loop gain. When a servo system
has high position loop gain, the responsiveness is greater and positioning can be faster. In order for
position loop gain to be raised, the mechanical rigidity and the characteristic frequency must be increased. For general NC machine tools, the range is 50 to 70 (1/s); for general machinery and assembly
devices, it is 30 to 50 (1/s); for industrial robots, it is 10 to 30 (1/s).
The factory setting for position loop gain is 40 (1/s), so it should be lowered for systems with low rigidity.
If a system has low rigidity or low characteristic frequency, increasing the position loop gain sympathetic
vibration of machinery will occur and an alarm will be generated.
Position loop gain is generally expressed as follows:
Position loop gain (Kp) =
Instruction command frequency (pulses/s)
(1/s)
Deviation counter’s residual pulse amount (pulses)
The response is as shown in the following diagram when the position loop gain is manipulated.
High position loop gain
Motor speed
Low position loop gain
Time
PRM
No.
Cn-1b
Parameter name
Factory
setting
Positioning comple- 3
tion range
Unit
Command
units
Setting
range
0 to 250
Explanation
Sets the range for the positioning completion signal output. (Generally set according
to the precision required by the system.)
Increasing the positioning completion range
too much can cause the positioning
completion output to turn ON during lowspeed operation or other times when there
are few residual pulses.
j Feed-forward Amount
The feed-forward amount is effective when the position loop gain is set to less than 25 l/s. It will not be
very effective when the position loop gain is higher than 25 l/s.
Increasing the feed-forward amount to much will cause excessive overshooting.
The feed-forward amount is not sent through the deviation counter, but is applied directly to the speed
loop. The differential of the deviation counter is thus not applied, causing a faster response when the
load response is delayed from the commands.
Be sure that the position loop is completely adjusted and that the speed loop is operating safely before
adjusting the feed-forward amount.
Increasing the feed-forward amount too much will cause the speed command to oscillate, resulting in
abnormal noise from the motor. Increase the feed-forward amount slowly from 0%, adjusting it so that
3-26
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Chapter 3
Operation
the positioning completion output is not adversely affected (e.g., turn repeatedly ON and OFF) and so
that the speed does not overshoot.
PRM
No.
Cn-26
Parameter name
Position command
acceleration/deceleration time
constant
Factory
setting
0
Unit
× 0.1 ms
Setting
range
0 to 640
Explanation
Sets the time constant for smoothing (position command soft start function).
Even if the position command pulses are
input in steps, the time constant set here
will be used to accelerate/decelerate the
motor.
The same time will be used for both acceleration and deceleration.
Set this parameter to 0 when using a position controller that has an acceleration/deceleration function.
Position Loop Adjustment
j Position Loop Block Diagram
Command
pulses
Encoder
Z-phase
output
Cn-02 bit
nos. 3, 4, 5
Command
pulse mode
Cn-26
Position command acceleration/ deceleration time
constant
Cn-24,25
Electronic
gear ratio
G1/G2
Cn-1b
Positioning
completion
range
Deviation
counter
Cn-1A
Position
loop gain
Cn-04,05
Speed
loop
Cn-17
Current
loop
Speed
detection
×4
E
Encoder
3-8
M
Motor
Regenerative Energy Absorption
Regenerative energy produced at times such as Servomotor deceleration is absorbed
by the Servo Driver’s internal capacitors, thereby preventing an increase in DC voltage.
If the regenerative energy from the Servomotor becomes too large, however, an overvoltage error will occur. In such cases, it is necessary to connect a Regeneration Unit to
increase the capacity for absorbing regenerative energy.
3-8-1 Calculating Regenerative Energy
Regenerative energy is produced when the direction of Servomotor rotation or output torque is reversed. The methods for calculating regenerative energy for the horizontal and vertical shafts are explained below.
3-27
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Chapter 3
Operation
Horizontal Axle
Motor operation
Motor output
torque
Note In the output torque graph, when the rotation direction and the torque direction match it is shown
as positive.
The regenerative energy for each section can be found by means of the following formulas:
Eg1 = 1/2 N1 TD1 t1 1.027 × 10–2 [J]
Eg2 = 1/2 N2 TD2 t2 1.027 × 10–2 [J]
N1, N2: Rotation speed at beginning of deceleration [r/min]
TD1, TD2: Deceleration torque [kgf cm]
t1, t2: Deceleration time [s]
Note There is some loss due to winding resistance, so the actual regenerative energy will be approximately 90% of the figure derived by the formula.
The maximum regenerative energy for the Servo Driver’s internal capacitors only can be found by
means of the following formula:
Eg = (Eg1, Eg2) [J]
Eg is the larger of Eg1 and Eg2.
When regenerative energy is absorbed at the Servo Driver only, Eg must not exceed the amount of regenerative energy that can be absorbed at the Servo Driver. In addition, the average regenerative power when a Regeneration Unit is connected can be found by means of the following formula:
Pr = (Eg1 + Eg2)/T [W]
T: Operation cycle [s]
Eg must not exceed the maximum regeneration absorption capacity of the Servo Driver when only the
Servo Driver is used to absorb regenerative energy. When a Regeneration Unit is connected, the average regenerative power (Pt) must not exceed the regeneration processing power of the Regeneration
Unit.
Connect an external regeneration resistor when the regeneration processing power of the Regeneration Unit (12 W) is exceeded. Refer to 3-8-3 Absorption of Regenerative Energy with the External Regeneration Resistor for details on external regeneration resistors.
3-28
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Chapter 3
Operation
Vertical Axle
Rising
Motor operation
Falling
Motor output
torque
Note In the output torque graph, when the rotation direction and the torque direction match it is shown
as positive.
The regenerative energy for each section can be found by means of the following formulas:
Eg1 = 1/2 N1 TD1 t1 1.027 × 10–2 [J]
Eg2 = N2 TL2 t2 1.027 × 10–2 [J]
Eg3 = 1/2 N2 TD2 t3 1.027 × 10–2 [J]
N1, N2: Rotation speed at beginning of deceleration [r/min]
TD1, TD2: Torque when declining [kgf cm]
TL2: Deceleration torque [kgf cm]
t1, t3: Travel time equivalent to torque when declining [s]
t2: Deceleration time [s]
Note There is some loss due to winding resistance, so the actual regenerative energy will be approximately 90% of the figure derived by the formula.
The maximum regenerative energy for the Servo Driver’s internal capacitors only can be found by
means of the following formula:
Eg is the larger of Eg1, Eg2 + Eg3.
When regenerative energy is absorbed at the Servo Driver only, Eg must not exceed the amount of regenerative energy that can be absorbed at the Servo Driver. In addition, the average regenerative power when a Regeneration Unit is connected can be found by means of the following formula:
Pr = (Eg1+ Eg2+ Eg3)/T [W]
T: Operation cycle [s]
Eg must not exceed the maximum regeneration absorption capacity of the Servo Driver when only the
Servo Driver is used to absorb regenerative energy. When a Regeneration Unit is connected, the average regenerative power (Pt) must not exceed the regeneration processing power of the Regeneration
Unit.
3-29
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Chapter 3
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Connect an external regeneration resistor when the regeneration processing power of the Regeneration Unit (12 W) is exceeded. Refer to 3-8-3 Absorption of Regenerative Energy with the External Regeneration Resistor for details on external regeneration resistors.
3-8-2 Servo Driver Absorbable Regenerative Energy
Regenerative Energy Absorbed Internally
The Servo Driver absorbs regenerative energy by means of an internal capacitor. If there is more regenerative energy than can be absorbed by the capacitor, an overvoltage error will be generated and operation cannot continue. The amounts of regenerative energy that can be absorbed by the various Servo
Drivers alone are shown in the tables below. If regenerative energy exceeding these values is produced, take the following measures.
• Connect a Regeneration Unit (R88A-RG08UA). (Non-conforming Models)
• Lower the operating rotation speed. (The regenerative energy is proportional to the square of the
rotation speed.)
• Lengthen the deceleration time. (Reduce the amount of regenerative energy per unit time.)
• When using multiple axes, the + terminals can be connected together and the – terminals can be
connected together to use regenerative energy as the drive energy for the other axes. (Models Conforming to EC Directives)
j 200-VAC Input Type
Model
R88D-UEP04H/UEP04V
(100 W)
R88D-UEP08H/UEP08V
(200 W)
R88D-UEP12H/UEP12V
(400 W)
R88D-UEP20H/UEP20V
(750 W)
Absorptive regeneration energy (J)
13.3
Maximum applicable
load inertia
(x10–4 kgm2)
1.2
Remarks (see note *3)
Rotor inertia × 30, 4,500 r/min
23.9
3.69
Rotor inertia × 30, 3,000 r/min
21.1
3.8
Rotor inertia × 20, 3,000 r/min
52.2
13.4
Rotor inertia × 20, 3,000 r/min
Note 1. The input voltage is the value at 200 VAC. As the input voltage is increased, the amount of
regenerative energy that can be absorbed is decreased.
Note 2. For Servomotors with brakes, add the brake inertia to the load inertia.
Note 3. This is the applicable range for the horizontal shaft. (No external force should be applied.)
3-30
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Chapter 3
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j 100-VAC Input Type
Model
R88D-UEP10L/UEP10W
(100 W)
R88D-UEP12L/UEP12W
(200 W)
R88D-UEP15L/UEP15W
(300 W)
Absorptive regeneration energy (J)
13.3
Maximum applicable
load inertia
(x10–4 kgm2)
1.2
Remarks (see note *3)
Rotor inertia × 30, 4,500 r/min
23.9
3.69
Rotor inertia × 30, 3,000 r/min
99.5
3.8
Rotor inertia × 20, 4,500 r/min
Note 1. The input voltage is the value at 100 VAC. As the input voltage is increased, the amount of
regenerative energy that can be absorbed is decreased.
Note 2. For Servomotors with brakes, add the brake inertia to the load inertia.
Note 3. This is the applicable range for the horizontal shaft. (No external force should be applied.)
Range for Absorbing Regenerative Energy
The relationship between rotational speed and the load inertia that can be absorbed by a Servo Driver
alone is shown in the diagrams below. If a Servo Driver is operated outside of this range, a Regeneration
Unit must be connected. These diagrams show the applicable range for the horizontal shaft. If an external force acts in the same direction as the Servomotor rotation, due to factors such as the fall time on the
vertical shaft, be sure to measure the regenerative energy and check to see that the amount that can be
absorbed is not exceeded.
j R88D-UEP04H/UEP04V (100 W)
R88D-UEP10L/UEP10W (100 W)
Applicable load inertia
(×10–4kgm2)
100W 1.2 × 10–4kgm2
Rotational speed (r/min)
3-31
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Chapter 3
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j R88D-UEP08H/UEP08V (200 W)
R88D-UEP12L/UEP12W (200 W)
Applicable load inertia
(×10–4kgm2)
200W 3.69 × 10–4kgm2
2.15
Rotational speed (r/min)
j R88D-UEP12H/UEP12V (400 W)
R88D-UEP15L/UEP15W (300 W)
Applicable load inertia
(×10–4kgm2)
300, 400W 3.8 × 10–4kgm2
UEP15L
UEP15W
UEP12H
UEP12V
1.9
Rotational speed (r/min)
3-32
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Chapter 3
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j R88D-UEP20H/UEP20V (750 W)
Applicable load inertia
(×10–4kgm2)
700W 13.4 × 10–4kgm2
4.7
Rotational speed (r/min)
3-8-3 Absorption of Regenerative Energy with the External
Regeneration Resistor
Connect one or more external regeneration resistors when a Regeneration Unit (R88ARG08UA) cannot absorb all of the regenerative energy. Remove the short bar from between the RG and JP terminals on the Regeneration Unit and connect the resistor between the P and RG terminals. Connecting to the wrong terminals may destroy the Regeneration Unit, so connect the resistor carefully. (The Regeneration Unit does not conform to EC Directives.)
The external regeneration resistor will heat to approximately 120C. Do not install it near
devices or wiring that is sensitive to heat. Install heat radiation plates suitable to the radiation conditions.
External Regeneration Resistors
j Models
Model
Resistance
R88A-RR22047S 47Ω ±5%
Nominal
capacity
220 W
Regeneration
Heat
absorption at
radiation
120C
conditions
70 W
t1.0 × 350
(SPCC)
Thermal switch
output specifications
Operating
temperature:
170C±5%
N.C. contact
Rated output: 3 A
3-33
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Chapter 3
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j Combining External Regeneration Resistors
Regeneration absorption capacity
Item
70 W
280 W
Combining external
regeneration
resistors
Note Use a combination with an absorption capacity larger than the average regenerative power (Pr).
j Dimensions (Unit: mm)
1.5 dia. Thermal switch output
(0.3 mm2)
3 dia. (0.75 mm2)
Wiring External Regeneration Resistors
Remove the short bar from between the RG and JP terminals on the Regeneration Unit and connect the
resistor(s) between the P and RG terminals.
External regeneration resistor
Short bar
Note The thermal switch output must be connected in the same way as the ALM output from the Regeneration Unit, i.e., so that power supply is broken when the contacts open. If a power interruption sequence based on the output is not included in the circuit, the Regeneration Unit may be
damaged.
3-34
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Chapter 3
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3-8-4 Processing Regenerative Energy with Multiple Axes
(Models Conforming to EC Directives)
When using multiple axes, the + terminals on the Servo Drivers can be connected together and the – terminals can be connected together to use regenerative energy as the
drive energy for the other axes, thus absorbing the energy. Servo Drivers with different
power supply voltages, however, cannot be connected. Also, regeneration absorption
capacity will not be increased when all axes simultaneously produce regenerative energy.
Wiring Method (Example for 3 Axes)
Axis 1
Axis 2
Axis 3
Note 1. Do not open or close the connections between the + or – terminals while power is being supplied. The Units may be destroyed.
Note 2. Do not connect Servo Drivers that are using different power supply voltages. The Units may
be destroyed.
Regeneration absorption capacity will not be increased when all axes simultaneously produce regenerative energy. Take one or more of the following methods if this occurs.
• Reduce the number of rotations being used. (Regenerative energy is directly proportional to the
square of the number of rotations.)
• Increase the deceleration time. (This will reduce the regenerative energy per unit time.)
3-35
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4
Chapter 4
Application
4-1
4-2
4-3
4-4
Using Displays
Protective and Diagnostic Functions
Troubleshooting
Periodic Maintenance
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Chapter 4
Application
4-1
Using Displays
4-1-1 Display Functions
OMRON U-series AC Servomotors have unique servo software that enables quantitative monitoring in real time, on digital displays, of changes in a variety of characteristics.
Use these displays for checking the various characteristics during operation.
j Servo Driver Displays
There are two LED indicators on the Servo Driver itself. One is for the power supply and another is for
alarms.
Power supply indicator
PWR
ALM
Alarm indicator
Symbol
PWR
ALM
Name
Function
Power supply indicator Lit when AC power supply is normal.
Alarm indicator
Lit when error occurs.
If the alarm indicator is lit, connect a Parameter Unit and check the contents of the alarm.
j Parameter Unit Displays
When a Parameter Unit is connected, monitoring can be conducted by means of a 5-digit 7-segment
LED.
R88A-PR02U Handy Type
R88A-PR03U Mounted Type
Display area
(7-segment display)
4-2
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Chapter 4
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j Parameter Unit Key Functions
The contents displayed by the Parameter Unit can be changed by key operations.
Handy-type
Parameter Unit
R88A-PR02U
Mounted
Parameter Unit
R88A-PR03U
RESET
+
Function
Alarm reset
Mode switching; data memory
SERVO
DATA
DATA
DATA
Servo ON/OFF during jog operations
Switching between parameter display and data display; data
memory
Increments parameter numbers and data values.
Decrements parameter numbers and data values.
Left shift for operation digits
---
Right shift for operation digits
---
j Types of Modes
There are four types of modes for Parameter Unit displays. The functions in each mode are shown in the
following table.
Mode
Status display mode
Settings mode
Monitor mode
Alarm history display
mode
Function
Bit display (indicating internal status via indicators):
Power supply ON display, base block, positioning completed, rotation detection and
command pulse input
Symbol display (indicating internal status via 3-digit 7-segment display):
Base block, operating, forward rotation prohibited, reverse rotation prohibited, alarm
display
System check: Jog operations, alarm history data clear, motor parameters check,
auto-tuning
Setting and checking setup parameters
Setting and checking user parameters
Speed feedback, torque commands, number of pulses from U-phase, electrical
angle, internal status bit display, command pulse speed, position deviation, and input
pulse counter.
Displays contents of alarms that have been previously generated (up to a maximum
of 10).
4-3
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Chapter 4
Application
j Changing the Mode
Use the MODE/SET Key to change from one mode to another.
Status display
mode
Power ON
.
(Display example)
bb
Settings mode
Monitor mode
Alarm history
display mode
c n 0 0
u n 0 0
0 a.0 2
4-1-2 Status Display Mode
The status display mode is entered when powering up or by means of the MODE/SET Key. In the status
display mode, Servo Driver status is displayed in two ways: bit data and symbols. These displays are
shown in the following illustration.
Rotation detected/Current limit detected
Positioning completed
Command pulse input
b
Base block
b
Power supply ON
Bit data display
Symbol display
j Bit Data Display Contents
Bit data
Power supply ON
Base block
Positioning completed
Rotation detection
Command pulse input
Contents
Lit when Servo Driver power supply is ON.
Lit during base block (no power to motor); dimmed when servo is ON.
Lit when the pulse count remaining on the deviation counter is equal to or less
than the positioning completed range set in Cn-1b.
Lit when the motor rotational speed is 20 r/min or higher.
Lit when the specified command pulse is being input.
j Symbol Display Contents
Symbol display
bb
rUn
p%t
n%t
a.
Contents
Base block (no power to motor)
Operating
Forward rotation prohibited
Reverse rotation prohibited
Alarm display (Refer to alarm table.)
4-4
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Chapter 4
Application
4-1-3 Monitor Mode (Un-)
j Types of Monitoring
In monitor mode, nine types of monitoring can be carried out.
Monitor no. Monitor contents
Unit
00
Speed feedback
r/min
02
Torque command %
03
Number of pulses
from U-phase
edge
Pulses
04
05
Electrical angle
Internal status bit
display 1
Internal status bit
display 2
Command pulse
speed display
Position deviation
(deviation counter)
Input pulse counter
Degrees
---
06
07
08
09
Explanation
Displays actual rotational speed of motor.
The command to the current loop is displayed as 100% of
the rated torque.
The number of pulses from the U-phase edge is displayed
in units of encoder resolution.
Displays pulse number with 1/4 turn being 1024 pulses
(with an error of approx. ±5 pulses).
Displays the electrical angle of the motor.
Displays Servo Driver internal information as either lit or
not lit.
--r/min
Displays the command pulse counter converted to a frequency (r/min).
Displays the pulse count (position deviation) remaining on
the deviation counter in command units (based on input
pulses).
Counts and displays the input pulses.
Pulses
Command
units
j Operation in Monitor Mode
In order to conduct monitoring, first go into monitor mode and then set the monitor number and press the
DATA Key. The items in parentheses in the following explanation indicate operations using the Handytype Parameter Unit.
[3]
DATA
u
n
Monitor mode
0
0
Monitor no.
DATA
[4]
3
0
0
0
Monitor data
1. Press the MODE/SET Key to go into monitor mode.
2. Using the Up and Down (and Right and Left) Keys, set the monitor number.
3. Press the DATA Key to display the monitor data.
4. Press the DATA Key to return to the monitor number display.
5. Press the MODE/SET Key to move from monitor mode to alarm history display mode.
4-5
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Chapter 4
Application
j Internal Status Bit Display (Un-05, Un-06)
Internal status is displayed by 7-segment bit lighting. The bit number allocation is shown in the following
diagram.
13
10
14
11
15
Un-06
Bit no.
Symbol
1
2
3
4
5
ALM
DBON
DIR
TGON
INP
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
1
2
3
4 to 20
PCON
SVON
A
B
Z
PU
PV
PW
RUN
MING
POT
NOT
Not used
CW
CCW
ECRST
Not used
4
8
12
16
Monitor
no.
Un-05
7
5
9
17
1
2
6
18
3
19
20
Contents
Lit when alarm is generated.
Lit during dynamic brake operation.
Lit when in reverse rotation mode (when Cn-02 bit no. 0 = 1).
Lit when the motor rotational speed is 20 r/min or greater.
Lit when the motor rotational speed reaches the speed command value.
Lit when the speed control loop is in P control.
Not used
Not used
Lit when motor is receiving power.
Encoder A phase (Lit when there is a signal)
Encoder B phase (Lit when there is a signal)
Encoder Z phase (Lit when there is a signal)
Poll sensor U phase
Poll sensor V phase
Poll sensor W phase
Lit when run command is ON.
Lit when the gain is reduced.
Lit when forward drive prohibit input is ON.
Lit when reverse drive prohibit input is ON.
Lit when clockwise command pulses are being input.
Lit when counterclockwise command pulses are being input.
Lit when the deviation counter reset input is ON.
4-1-4 Checking Servomotor Parameters (Cn-00 Set to 04)
Servomotor parameters can be checked when system check mode Cn-00 is set to “04.”
Servomotor parameters are the Servomotor specifications that can be controlled by that
Servo Driver. They are not the specifications of the Servomotor that is connected. Use
this to check whether the Servo Driver and Servomotor combination is suitable.
4-6
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Chapter 4
Application
j Servomotor Parameter Checking Operation
The items in parentheses in the following explanation indicate operations using the Handy-type Parameter Unit.
[1]
c
n
0
[2]
[3]
0
DATA
[4]
0
0
0
4
[5]
Indicates settings mode.
System check mode
Data
[5]
[7]
[6]
f
0
4
0
2
y
0
0
0
0
1. Press the MODE/SET Key to switch to the settings mode.
2. Using the Up and Down Keys, set parameter number “00.” (System check mode)
3. Press the DATA Key to display the setting of Cn-00.
4. Using the Up and Down Keys, change the setting to “04.” (Servomotor parameter check)
5. Press the MODE/SET Key, and check the Servomotor parameters in order.
6. Press the MODE/SET Key to display special specifications in hexadecimal.
7. Press the MODE/SET Key to return to the data display for the system check mode.
j Parameter Display Contents
D Servomotor Parameters
f
0
4
0
2
Motor capacity
Motor type
04: 200-V type (UE models)
05: 100-V type (UE models)
01:
02:
03:
04:
08:
100 W
200 W
300 W
400 W
750 W
D Special Specifications
y
0
0
0
0
User specifications number (hexadecimal display)
4-7
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Chapter 4
Application
4-2
Protective and Diagnostic Functions
4-2-1 Alarm Displays and Alarm Code Outputs
The Servo Driver has the error detection functions shown below. When an error is detected, the alarm output (ALM ) is output, the Servo Driver’s internal power drive circuit is
turned off, and the alarm is displayed.
j Alarm Table
Dis- Alarm
Error detection
play
ALM
function
a.02 OFF
Parameter corruption
a.04 OFF
a.10 OFF
a.31 OFF
a.40 OFF
a.51 OFF
a.70 OFF
a.c1 OFF
a.c2 OFF
a.c3 OFF
a.c4 OFF
a.f3 OFF
a.99 ON
cpf00
OFF
cpf01
---
Detection contents
The checksum for the parameters read from the EEPROM does
not match.
Parameter setting error Incorrect parameter setting.
Overcurrent
Overcurrent or overheating detected.
Deviation counter over- The pulses remaining on the deviation counter exceed the deviflow
ation counter overflow level.
Overvoltage
Main circuit DC voltage exceeded the allowable value.
Over speed
Detected at 4,950 r/min.
Overload
Detected at reverse limit characteristics when the output torque
exceeds120% of the rated torque.
Runaway detected.
Faulty power or encoder wiring.
Phase error detected.
Connector not properly connected.
Encoder not properly wired.
Encoder A or B phase Either Phase A or Phase B signal was disconnected or short cirwire disconnection.
cuited.
Encoder S phase wire Encoder S phase was disconnected or short circuited.
disconnection.
Momentary power fail- The power supply was re-started within the power retention periure alarm
od.
Alarm reset power sup- This is history data only, and is not an alarm.
ply turned on.
Parameter Unit transData could not be transmitted after the power supply was turned
mission error 1
on. (It no longer exists in the alarm history.)
Parameter Unit transTransmission timeout error (It no longer exists in the alarm histomission error 2
ry.)
Note “---” means indefinite.
4-2-2 Alarm Output
This section describes the timing of alarm outputs when power is turned on and when
alarms occur. The method used to clear alarms is also described.
4-8
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Chapter 4
Application
j Timing Chart
Power input
(R, T)
ON
Run command
(RUN)
ON
OFF
OFF
Error
occurrence
Alarm reset
(RESET)
Error
6 ms min.
ON
OFF
Approx. 2 s
Alarm output
(ALM)
Power to
motor
6 ms max.
ON
OFF
ON
Approx. 350 ms
25 to 35 ms
OFF
j Alarm Output Circuit
Alarm output
Output specifications: 30 VDC, 50 mA max.
Normal:
Output transistor ON
Error (alarm):
Output transistor OFF
j Clearing Alarms
• Any of the following methods can be used to clear alarms:
Turn ON the alarm reset signal (RESET).
Toggle the power supply.
Press the Reset Key on the Parameter Unit.
Overcurrent alarms (A.10), however, cannot be cleared by toggling the power supply.
• Operation will start as soon as the alarm is cleared if the alarm is cleared while the Run command
(RUN) is ON, possibly creating a dangerous situation. Turn OFF the Run command before clearing
alarms. Take adequate safety precautions if an alarm is going to be cleared while the Run command is
ON or when the Servo Always ON (Cn-01, bit 0 set to 1) is used.
4-9
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Chapter 4
Application
4-2-3 Overload Characteristics (Electron Thermal
Characteristics)
An overload protection function (electron thermal) is built into the Servo Driver to protect
against Servo Driver or Servomotor overload. If an overload (A.70) does occur, first clear
the cause of the error and then wait at least one minute for the Servomotor temperature
to drop before turning on the power again. If the power is turned on again too soon, the
Servomotor coil may be damaged.
j Overload Characteristic Graph
Operation time (s)
The characteristic between the load ratio and the electronic thermal operating time is shown in the following graph.
Load ratio (%)
Note 1. The load ratio is calculated in relation to the Servomotor’s rated current.
Load ratio (%) =
Servomotor current
Servomotor rated current
× 100
Note 2. For example, if a current three times the rated motor current is applied continuously, and overload will be detected in approximately 3 s.
4-10
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Chapter 4
Application
4-2-4 Alarm History Display Mode
The Servo Driver stores the history of the 10 most recent alarms that have been generated. The alarm history can be displayed by going into the alarm history display mode
and using the Up and Down Keys.
To clear the alarm history, set the system check mode to “02” and press the MODE/SET
Key.
j Displaying the Alarm History
0
4
Error number
0
Alarm history data
1. Confirm that the initial display is shown (–. bb).
2. Press the MODE/SET Key to go to the alarm history display mode.
3. Use the Up and Down Keys to go up and down through the error occurrence numbers and display
the corresponding alarm history data. (The larger the error occurrence number, the less recent the
alarm is.)
j Clearing Alarm History Data
Alarm history data initialization is executed in the system check mode. The items in parentheses in the
following explanation indicate operations using the Handy-type Parameter Unit.
[2]
c
n
0
[3]
0
[5]
[4]
0
DATA
0
0
2
[7]
Indicates settings mode.
System check mode
Data
[6]
To data display
Alarm history data cleared.
1. Confirm that the initial display is shown (–. bb).
2. Press the MODE/SET Key to enter the settings mode.
3. Using the Up and Down Keys, set parameter number “00.” (System check mode)
4. Press the DATA Key to display the setting of Cn-00.
5. Using the Up and Down Keys, set the parameter to “02.” (Alarm history clear)
6. Press the MODE/SET Key to clear the alarm history data.
7. Press the DATA Key to return to the settings mode.
4-11
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Chapter 4
Application
4-3
Troubleshooting
When an error occurs, check the error contents by means of the operating status and
alarm display, investigate the cause and apply the appropriate countermeasures.
j Error Diagnosis by Means of Operating Status
Symptom
Probable cause
The motor does not operate even when command
pulses are input. ((No
alarm
l
i output.)
is
t t)
The motor operates momentarily, but then it does
not operate.
Servomotor operation is
unstable.
Items to check
Countermeasures
• Check the power supply
voltage.
• Check the power supply
lines.
Check the RUN signal’s ON
and OFF by means of the
monitor mode.
• Correct the power supply.
• Correct the wiring.
The correspondence between the Servo Driver and
the Servomotor is incorrect.
Check the models.
Combine models that correspond correctly.
The POT and NOT signals
are OFF (when Cn-01 bit
nos. 2 and 3 are “0”).
Check whether POT and
NOT are displayed in status
display mode.
• Turn ON the POT and
NOT signals.
• If POT and NOT are not
being used, set Cn-01 bit
nos. 2 and 3 to “1.”
The deviation counter reset
input (ECRST) is ON.
Check the deviation counter
reset signal in monitor mode
(internal status bit display).
• Turn OFF the ECRST sig-
An error occurred with the
RESET signal ON.
Check the RESET signal’s
ON and OFF by means of
the monitor mode.
Turn the RESET signal OFF
and take measures
according to the alarm
display.
The setting for the command
pulse mode is not correct
(Cn-02 bits 3, 4, 5).
Set according to the
controller command pulse
type.
The Servomotor power lines
or encoder lines are wired
incorrectly.
Check positioner’s
command pulse type and
Driver’s command pulse
mode.
Check the Servomotor power line U, V, and W phases,
and the encoder line wiring.
The Servomotor power lines
or encoder lines are wired
incorrectly.
Check the Servomotor power line U, V, and W phases,
and the encoder line wiring.
Correct the wiring.
The power supply indicator Power supply lines are in(PWR) does not light even correctly wired.
when the power supply is
turned on.
The RUN signal is OFF
(when Cn-01 bit no. 0 is “0”).
There are eccentricities or
• Check the machinery.
looseness in the coupling
• Try operating the Servoconnecting the Servomotor
motor without a load.
shaft and the mechanical
system, or there are load
torque fluctuations according
to how the pulley gears are
engaging.
Gain is wrong.
---
• Input the RUN signal.
• Correct the wiring.
nal.
• Correct the wiring.
Correct the wiring.
Adjust the machinery.
• Use auto-tuning.
• Adjust the gain manually.
4-12
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Chapter 4
Application
Symptom
Probable cause
Servomotor is overheating. The ambient temperature is
too high.
Items to check
Countermeasures
Check to be sure that the
ambient temperature around
the Servomotor is no higher
than 40°C.
Check to see whether anything is blocking ventilation.
Lower the ambient temperature to 40°C or lower. (Use a
cooler or fan.)
There is an overload.
Check the torque command
value by means of monitor
mode.
The correspondence between the Servo Driver and
the Servomotor is incorrect.
Check the models.
• Lighten the load.
• Change to a larger capacity Servomotor.
Combine models that correspond correctly.
The machinery is vibrating.
Inspect the machinery to see Fix any problems causing
whether there are any forvibration.
eign objects in the movable
parts, or whether there is
any damage, deformation, or
looseness.
--• Use auto-tuning.
• Adjust the gain manually
(speed loop gain).
• Check to see whether the
• Shorten the control signal
Servo Driver control signal
lines.
lines are too long.
• Separate control signal
• Check to see whether conlines from power supply
trol signal lines and power
lines.
supply lines are too close
• Use a low-impedance
to each other.
power supply for control
signals.
Ventilation is obstructed.
There are unusual noises.
The speed loop gain adjustment is insufficient.
Vibration is occurring at
the same frequency as the
applicable power supply.
Inductive noise is occurring.
Ensure adequate ventilation.
4-13
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Chapter 4
Application
j Error Diagnosis by Means of Alarm Display (Parameter Unit)
Alarm
display
Error content
Condition when error occurred
Probable cause
Countermeasures
a.02
Parameter corruption
Occurred when power was
turned on.
Internal memory error
Replace Servo Driver.
a.04
Parameter setting error
Occurred when power was
turned on.
A user parameter was set to
a value outside of the setting range previously.
Change the user parameter
setting so it is within the setting range.
Control board defective.
Replace Servo Driver.
Occurred when power was
turned on.
Control board defective.
Replace Servo Driver.
Occurred when Servo was
turned on.
• Current feedback circuit
error
• Main circuit transistor
module error
Servomotor power line is
short-circuited or grounded.
Replace Servo Driver.
a.10
Overcurrent
There is faulty wiring at the
U, V, or W phase, or the
GR.
Servomotor coil are damaged.
Overheating
a.31
Occurred during operation.
Occurred even though power was on.
If resett is
i executed
t d after
ft
waiting for a time, operation
resumes.
The ambient temperature
for the Servo Driver is higher than 50°C.
• Correct the power line
short-circuiting or grounding.
• Measure the insulation resistance at the Servomotor itself. If there is shortcircuiting, replace the Servomotor.
Correct the wiring.
Measure the winding resistance. If the coil are damaged, replace the Servomotor.
Bring the ambient temperature for the Servo Driver
down to 50°C or lower.
The load torque is too high.
• Lighten the load.
• Lengthen the acceleration
time.
• Select another Servomotor.
Deviation count- Occurred when Servomotor
er overflow
did not operate even when
command pulse train was
i
input.
t
Servomotor power lines or
encoder lines are wired incorrectly.
Correct the wiring.
Occurred at high-speed operation.
Servomotor power lines or
encoder lines are wired incorrectly.
Correct the wiring.
Occurred when a long command pulse was g
given.
The gain adjustment is
insufficient.
The acceleration/deceleration times are too extreme.
Adjust the gain.
The load is too large.
• Lighten the load.
• Select another Servomotor.
The Servomotor is mechani- Unlock the Servomotor
cally locked.
shaft.
Lengthen the
acceleration/deceleration
time.
4-14
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Chapter 4
Application
Alarm
display
a.40
Error content
Overvoltage
Condition when error occurred
Probable cause
Countermeasures
Occurred when power was
turned on.
The power supply voltage is
outside of the allowable
range.
Occurred during Servomotor deceleration.
The load inertia is too large.
• The supply voltage must
be 170 to 253 VAC when
200 VAC is specified.
• The supply voltage must
be 85 to 127 VAC when
100 VAC is specified.
• Lengthen the deceleration
time.
• Reset the motor.
• The supply voltage must
be 170 to 253 VAC when
200 VAC is specified.
• The supply voltage must
be 85 to 127 VAC when
100 VAC is specified.
Replace the Regeneration
Unit
The power supply voltage is
outside of the allowable
range.
Regeneration Unit error
a.51
a.70
Over speed
Overload
Occurred while lowering
(vertical shaft)
Gravity torque is too large.
• Add a counterbalance to
the machine, and reduce
the gravity torque.
• Reduce the lowering
speed.
• Connect a Regeneration
Unit.
High-speed rotation occurred when command was
input.
The rotational speed exceeded 4,950 r/min due to
overshooting.
Occurred during operation.
Encoder is wired incorrectly.
Operating at more than
120% of the rated torque.
• Adjust the gain.
• Lower the maximum
speed of the command.
Correct the wiring.
• If the Servomotor shaft is
locked, unlock it.
• If Servomotor power lines
are incorrectly wired, correct them.
• Lighten the load.
• Lengthen the acceleration
time.
• Adjust the gain.
Power supply voltage
dropped.
a.c1
Runaway detected
Some movement occurred
at the beginning of operation.
a.c2
Phase error detected
Some movement occurred
at the beginning of operation.
• Encoder lines wired incorrectly.
• Servomotor power lines
wired incorrectly.
• Encoder lines disconnected.
• Connector contact faulty.
• The supply voltage must
be 170 to 253 VAC when
200 VAC is specified.
• The supply voltage must
be 85 to 127 VAC when
100 VAC is specified.
Correct the wiring.
• Correct the wiring.
• Insert the connectors correctly.
4-15
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Chapter 4
Application
Alarm
display
a.c3
Error content
Encoder A, B
phase wire disconnection.
Condition when error occurred
Some movement occurred
at the beginning of operation.
Probable cause
• Encoder lines disconnected.
• Connector contact faulty.
Encoder lines wired incorrectly.
a.c4
Encoder S
phase wire disconnection.
Some movement occurred
at the beginning of operation.
Encoder defective.
Servo Driver defective.
• Encoder lines disconnected.
• Connector contact faulty.
Encoder lines wired incorrectly.
a.f3
Momentary
power failure
alarm
cpf00
Parameter Unit
transmission error 1
Parameter Unit
transmission error 2
cpf01
Countermeasures
• Correct any disconnected
lines.
• Insert connectors correctly.
Correct the wiring.
Replace the Servomotor.
Replace Servo Driver.
• Correct any disconnected
lines.
• Insert connectors correctly.
Correct the wiring.
Encoder defective.
Servo Driver defective.
• A momentary power failure occurred.
• The power supply was restarted within the power
retention period.
Replace the Servomotor.
Replace Servo Driver.
• Reset and then run again.
Occurred when power was
turned on.
Servo Driver defective.
Replace Servo Driver.
Occurred while the Parameter Unit was being
g used.
Internal element is malfunctioning.
Reset and then run again.
Internal element is damaged.
Replace Servo Driver.
4-16
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Chapter 4
Application
4-4
Periodic Maintenance
! Caution
After replacing a Unit, always transfer all data required for operation before attempting to restart operation. Improper data settings may damage the product.
! Caution
Do not disassemble or repair the product. Doing so may result in an electric shock
and injury.
Servo Motors and Drives contain many components and will operate properly only when
each of the individual components is operating properly. Some of the electrical and mechanical components require maintenance depending on application conditions. In order to ensure proper long-term operation of Servo Motors and Drivers, periodic inspection and part replacement is required according to the life of the components.
The periodic maintenance cycle depends on the installation environment and application conditions of
the Servo Motor or Driver. Recommended maintenance times are listed below for Servo Motors and
Drivers. Use these are reference in determining actual maintenance schedules.
j Servo Motors
• Recommended Periodic Maintenance
Oil Seal: 2,000 hours
Bearings: 20,000 hours
Application Conditions: Ambient motor operating temperature of 40 C, within allowable shaft load,
rated operation (rated torque and r/m), installed as described in operation
manual.
• The radial loads during operation (rotation) on timing pulleys and other components contacting belts is
twice the still load. Consult with the belt and pulley manufacturers and adjust designs and system settings so that the allowable shaft load is not exceeded even during operation. If a motor is used under a
shaft load exceeding the allowable limit, the motor shaft can break, the bearings can burn out, and
other problems can occur.
j Servo Driver and Regeneration Units
• Recommended Periodic Maintenance
Aluminum analytical capacitors: 50,000 hours
Application Conditions: Ambient driver (regeneration unit) operating temperature of 50 C, rated operation (rated torque), installed as described in operation manual.
• The life of aluminum analytical capacitors is greatly affected by the ambient operating temperature.
Generally speaking, an increase of 10 C in the ambient operating temperature will reduce capacitor
life by 50%. We recommend that ambient operating temperature be lowered and the power supply
time be reduced as much as possible to lengthen the maintenance times for Servo Drivers and Regeneration Units.
• It is recommended that the Servo Driver and Regeneration Unit be inspected at five-year intervals if
they are used under conditions worse than the above or not used over a long time of time. Contact your
OMRON representative for inspection and the necessity of any component replacement.
4-17
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5
Chapter 5
Specifications
5-1
5-2
5-3
5-4
5-5
5-6
Servo Driver Specifications
Servomotor Specifications
Cable Specifications
Parameter Unit Specifications
Regeneration Unit Specifications
Front-mounting Bracket Specifications
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Chapter 5
Specifications
5-1
Servo Driver Specifications
5-1-1 General Specifications
Item
Operating ambient temperature
Operating ambient humidity
Storage ambient temperature
Storage ambient humidity
Storage and operating atmosphere
Vibration resistance
Impact resistance
Insulation resistance
Dielectric strength
Protective structure
Specifications
0°C to 50°C
35% to 85% RH (with no condensation)
–10°C to 75°C
35% to 85% RH (with no condensation)
No corrosive gasses.
10 to 55 Hz in X, Y, and Z directions with 0.10-mm double amplitude;
acceleration: 4.9 m/s2 max.; time coefficient: 8 min; 4 sweeps
Acceleration 19.6 m/s2 max., in X, Y, and Z directions, three times
Between power line terminals and case: 5 MΩ min. (at 1,000 VDC)
Non-conforming Models
Between power line terminals and case: 1,000 VAC for 1 min
(20 mA max.) at 50/60 Hz
Models Conforming to EC Directives
Between power line terminals and case: 1,500 VAC for 1 min at 50/60 Hz
Built into panel.
Note 1. The above items reflect individual evaluation testing. The results may differ under compounded conditions.
Note 2. Absolutely do not conduct a withstand voltage test or a megger test on the Servo Driver. If
such tests are conducted, internal elements may be damaged.
Note 3. Depending on the operating conditions, some Servo Driver parts will require maintenance.
Refer to 4-4 Periodic Maintenance for details.
Note 4. The service life of the Servo Driver is 50,000 hours at an average ambient temperature of
50°C (at the rated torque and the rated rotation speed).
5-2
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Chapter 5
Specifications
5-1-2 Performance Specifications
j 200-VAC Input Servo Drivers, Non-conforming Models
Item
Continuous output current (0-P)
Momentary max. output current (0-P)
Input power supply
Control method
Speed feedback
Applicable load inertia
Inverter method
PWM frequency
Applicable Servomotor
Applicable Servomotor wattage
Cable length between motor and driver
Weight (approximate)
Maximum pulse frequency
Capacity
y
Position loop gain
Electronic gear
Input signals
Positioning completed range
Position acceleration/deceleration
time constant
Position command pulse input
(see note)
Deviation counter reset
Sequence input
Output signals
Position feedback output
Sequence output
External regeneration processing
Protective functions
R88D
R88D
R88D
R88D
-UEP04H
-UEP08H
-UEP12H
-UEP20H
1.2 A
2.8 A
3.7 A
6.2 A
4.0 A
8.5 A
11.3 A
19.7 A
Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
All-digital servo
Optical encoder, 1,024 pulses/revolution
Maximum of 30 times motor’s ro- Maximum of 20 times motor’s rotor inertia
tor inertia
PWM method based on IGBT
11 kHz
7.8 kHz
R88M
R88M
R88M
R88M
-UE10030H-S1 -UE20030H-S1 -UE40030H-S1 -UE75030H-S1
100 W
200 W
400 W
750 W
20 m max.
Approx. 0.9 kg
Approx. 1.2 kg Approx. 1.5 kg
200 kpps
1 to 500 (1/s)
Electronic gear ratio setting range: 0.01 ≤ (G1/G2) ≤ 100
(G1, G2 = 1 to 65,535)
0 to 250 command units
0 to 64.0 ms (The same setting is used for acceleration and deceleration.)
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
Feed pulse and direction signal, forward pulse and reverse pulse, or
90differential phase (A and B phases) signal (set via parameter).
Pulse width: See note.
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
24-VDC, 5-mA photocoupler input, external power supply: 12 to
24 VDC, 30 mA min.
Z-phase, open-collector output, 30 VDC, 20 mA
1 pulse/revolution (OFF on Z phase detection)
Alarm output, brake interlock, positioning completion; open-collector
outputs: 30 VDC, 50 mA
Required for regeneration of
Required for regeneration of
more than 30 times the motor’s
more than 20 times the motor’s
rotor inertia.
rotor inertia.
Overcurrent, grounding, overload, overvoltage, overspeeding, runaway prevention, transmission errors, encoder errors, deviation
counter overflow
Note The input pulse width must meet the following conditions.
H
TIL,TIH ≥ 2.5 µs
L
TIL
TIH
5-3
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Chapter 5
Specifications
j 100-VAC Input Servo Drivers, Non-conforming Models
Item
Continuous output current (0-P)
Momentary max. output current
(0-P)
Input power supply
Control method
Speed feedback
Applicable load inertia
Inverter method
PWM frequency
Applicable Servomotor
Applicable Servomotor wattage
Cable length between motor and
driver
Weight (approximate)
Capacity
y Max. pulse frequency
Position loop gain
Electronic gear
Input
signals
Positioning completed
range
Position acceleration/deceleration time constant
Position command pulse
input (see note)
Deviation counter reset
Sequence input
Output
signals
g
Position feedback output
Sequence output
External regeneration processing
Protective functions
R88D-UEP10L
3.1 A
10 A
R88D-UEP12L
3.8 A
12 A
Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
All-digital servo
Optical encoder, 1,024 pulses/revolution
Maximum of 30 times motor’s rotor inertia
PWM method based on IGBT
11 kHz
R88M-UE10030L-S1
R88M-UE20030L-S1
100 W
200 W
20 m max.
R88D-UEP15L
4.8 A
15 A
20 times max.
7.8 kHz
R88M-UE30030L-S1
300 W
Approx. 0.9 kg
Approx. 1.2 kg
Approx. 1.5 kg
200 kpps
1 to 500 (1/s)
Electronic gear ratio setting range: 0.01 ≤ (G1/G2) ≤ 100
(G1, G2 = 1 to 65,535)
0 to 250 command units
0 to 64.0 ms (The same setting is used for acceleration and deceleration.)
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
Feed pulse and direction signal, forward pulse and reverse pulse, or 90differential phase (A and B phases) signal (set via parameter). Pulse width: See note.
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
24-VDC, 5-mA photocoupler input, external power supply: 12 to 24 VDC, 30 mA
min.
Z-phase, open-collector output, 30 VDC, 20 mA
1 pulse/revolution (OFF on Z phase detection).
Alarm output, brake interlock, positioning completion; open collector outputs:
30 VDC, 50 mA
Required for regeneration of more than 30 times the
Required for regeneration
motor’s rotor inertia.
of more than 20 times the
motor’s rotor inertia.
Overcurrent, grounding, overload, overvoltage, overspeeding, runaway protection,
transmission errors, encoder errors, deviation counter overflow
Note The input pulse width must be meet the following conditions.
H
TIL,TIH ≥ 2.5 µs
L
TIL
TIH
5-4
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Chapter 5
Specifications
j 200-VAC Input Servo Drivers, Models Conforming to EC Directives
Item
Continuous output current (0-P)
Momentary max. output current (0-P)
Input power supply
Control method
Speed feedback
Applicable load inertia
Inverter method
PWM frequency
Applicable Servomotor
Applicable Servomotor wattage
Cable length between motor and driver
Weight (approximate)
Maximum pulse frequency
Capacity
y
Position loop gain
Electronic gear
Input signals
Positioning completed range
Position acceleration/deceleration
time constant
Position command pulse input
(see note)
Deviation counter reset
Sequence input
Output signals
Position feedback output
Sequence output
External regeneration processing
Protective functions
R88D
R88D
R88D
R88D
-UEP04V
-UEP08V
-UEP12V
-UEP20V
1.2 A
2.8 A
3.7 A
6.2 A
4.0 A
8.5 A
11.3 A
19.7 A
Single-phase 200/230 VAC (170 to 253 V) 50/60 Hz
All-digital servo
Optical encoder, 1,024 pulses/revolution
Maximum of 30 times motor’s ro- Maximum of 20 times motor’s rotor inertia
tor inertia
PWM method based on IGBT
11 kHz
7.8 kHz
R88M
R88M
R88M
R88M
-UE10030V-S1 -UE20030V-S1 -UE40030V-S1 -UE75030V-S1
100 W
200 W
400 W
750 W
20 m max.
Approx. 0.9 kg
Approx. 1.2 kg Approx. 1.5 kg
200 kpps
1 to 500 (1/s)
Electronic gear ratio setting range: 0.01 ≤ (G1/G2) ≤ 100
(G1, G2 = 1 to 65,535)
0 to 250 command units
0 to 64.0 ms (The same setting is used for acceleration and deceleration.)
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
Feed pulse and direction signal, forward pulse and reverse pulse, or
90differential phase (A and B phases) signal (set via parameter).
Pulse width: See note.
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
24-VDC, 5-mA photocoupler input, external power supply: 12 to
24 VDC, 30 mA min.
Z-phase, open-collector output, 30 VDC, 20 mA
1 pulse/revolution (OFF on Z phase detection).
Alarm output, brake interlock, positioning completion; open-collector
outputs: 30 VDC, 50 mA
Required for regeneration of
Required for regeneration of
more than 30 times the motor’s
more than 20 times the motor’s
rotor inertia.
rotor inertia.
Overcurrent, grounding, overload, overvoltage, overspeeding, runaway prevention, transmission errors, encoder errors, deviation
counter overflow
Note The input pulse width must meet the following conditions.
H
TIL,TIH ≥ 2.5 µs
L
TIL
TIH
5-5
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Chapter 5
Specifications
j 100-VAC Input Servo Drivers, Models Conforming to EC Directives
Item
Continuous output current (0-P)
Momentary max. output current
(0-P)
Input power supply
Control method
Speed feedback
Applicable load inertia
Inverter method
PWM frequency
Applicable Servomotor
Applicable Servomotor wattage
Cable length between motor and
driver
Weight (approximate)
Capacity
y Max. pulse frequency
Position loop gain
Electronic gear
Input
signals
Positioning completed
range
Position acceleration/deceleration time constant
Position command pulse
input (see note)
Deviation counter reset
Sequence input
Output
signals
g
Position feedback output
Sequence output
External regeneration processing
Protective functions
R88D-UEP10W
3.1 A
10 A
R88D-UEP12W
3.8 A
12 A
Single-phase 100/115 VAC (85 to 127 V) 50/60 Hz
All-digital servo
Optical encoder, 1,024 pulses/revolution
Maximum of 30 times motor’s rotor inertia
PWM method based on IGBT
11 kHz
R88M-UE10030W-S1
R88M-UE20030W-S1
100 W
200 W
20 m max.
R88D-UEP15W
4.8 A
15 A
20 times max.
7.8 kHz
R88M-UE30030W-S1
300 W
Approx. 0.9 kg
Approx. 1.2 kg
Approx. 1.5 kg
200 kpps
1 to 500 (1/s)
Electronic gear ratio setting range: 0.01 ≤ (G1/G2) ≤ 100
(G1, G2 = 1 to 65,535)
0 to 250 command units
0 to 64.0 ms (The same setting is used for acceleration and deceleration.)
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
Feed pulse and direction signal, forward pulse and reverse pulse, or 90differential phase (A and B phases) signal (set via parameter). Pulse width: See note.
TTL, line driver input with photoisolation, input current: 6 mA at 3 V
24-VDC, 5-mA photocoupler input, external power supply: 12 to 24 VDC, 30 mA
min.
Z-phase, open-collector output, 30 VDC, 20 mA
1 pulse/revolution (OFF on Z phase detection)
Alarm output, brake interlock, positioning completion; open collector outputs:
30 VDC, 50 mA
Required for regeneration of more than 30 times the
Required for regeneration
motor’s rotor inertia.
of more than 20 times the
motor’s rotor inertia.
Overcurrent, grounding, overload, overvoltage, overspeeding, runaway protection,
transmission errors, encoder errors, deviation counter overflow
Note The input pulse width must be meet the following conditions.
H
TIL,TIH ≥ 2.5 µs
L
TIL
TIH
5-6
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Chapter 5
Specifications
5-1-3 I/O Specifications
j Terminal Block Specifications, Non-conforming Models
Signal
R
T
Function
Power supply input
P
N
U
Main circuit DC
output
Servomotor Uphase output
Servomotor Vphase output
Servomotor Wphase output
Frame ground
V
W
Condition
R88D-UEPH (200-VAC Units): Single-phase 200/230 VAC (170 to
253 VAC) 50/60 Hz
R88D-UEPL (100-VAC Units): Single-phase 100/115 VAC (85 to
127 VAC) 50/60 Hz
These are the connection terminals for the Regeneration Unit
(R88A-RG08UA). Connect these when the regeneration energy is high.
These are the terminals for outputs to the Servomotor.
Red
White
Blue
Green This is the connection terminal. Use a 100 Ω or less (class-3) or better ground. It is used in common for Servomotor output and power
supply input.
j Terminal Block Specifications, Models Conforming to EC Directives
Signal
L1
L2
Function
Power supply input
+
–
Main circuit DC
output
U
Servomotor Uphase output
Servomotor Vphase output
Servomotor Wphase output
Protective earth
terminal
V
W
Condition
R88D-UEPV (200-VAC Units): Single-phase 200/230 VAC (170 to
253 VAC) 50/60 Hz
R88D-UEPW (100-VAC Units): Single-phase 100/115 VAC (85 to
127 VAC) 50/60 Hz
When using multiple axes and there is excessive regenerative energy, the +
terminals can be connected together and the – terminals can be connected
together to increase the regeneration absorption capacity.
These are the terminals for outputs to the Servomotor.
Red
White
Blue
Green This is the connection terminal. Use a 100 Ω or less (class-3) or better ground.
5-7
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Chapter 5
Specifications
j CN1: Control I/O Specifications
D CN1: Control Input
Pin No.
1
Signal name
+PULS/CW/A
2
–PULS/CW/A
3
+SIGN/
CCW/B
–SIGN/
CCW/B
+ECRST
4
5
Function
Contents
Feed pulse, reverse pulse, Line driver input: 6 mA at 3V
90differential
90
differential phase
Open collector input: 15 mA at –5V
pulse (A phase)
Switched between feed pulse
ulse and direction signal,
reverse pulse and forward pulse, and 90differential
Direction signal, forward
g bits 3, 4, and 5
phase pulse ((A and B phases)) using
pulse,, 90differential
off the
th Cn-02
C 02 setup
t parameter
t
phase
h
pulse
l (B phase)
h
)
Deviation counter reset
Maximum frequency: 200 kpps
Line driver input: 6 mA at 3V
ON: Disables command input and resets deviation
counter.
6
–ECRST
11
12
13
----+24VIN
14
RUN
15
16
MING
POT
17
NOT
18
28
29
RESET
-----
Operation can be switched between a status signal
(high level) and a differential signal (rising edge) using bit A in setup parameter Cn-02.
Do not connect.
----+12- to 24-V power supply Power supply for pin nos. 14, 15, 16, 17, 18; +12- to
input for control DC
24-V input
Run command input
ON: Servo ON, when setup parameter Cn-01 bit no.
0 = 0.
When setup parameter Cn-01 bit no. 0 = 1, this signal is not used. (Automatically set to Servo ON.)
Gain deceleration input
ON: Decrease speed loop gain.
Forward drive prohibit inForward rotation overtravel input (OFF when prohibput
ited). When setup parameter Cn-01 bit no. 2 = 1, this
signal is not used.
Reverse drive prohibit in- Reverse rotation overtravel input (OFF when prohibput
ited). When setup parameter Cn-01 bit no. 3 = 1, this
signal is not used.
Alarm reset input
ON: Servo alarm status is reset.
Do not connect.
-----
5-8
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Chapter 5
Specifications
D CN1: Control Output
Pin No.
7
8
Signal name
BKIR
INP
Function
Brake interlock output
Positioning competed output
9
10
--OGND
--Output ground common
19 to 27
30
31
32
33
------Z
ZCOM
34
35
36
ALM
ALMCOM
FG
------Encoder Z phase output
Encoder Z phase output
ground
Alarm output
Alarm output GND
Frame ground
Contents
Outputs external brake interlock signal.
Turned ON when the pulse count remaining in the
deviation counter is equal to or less than the positioning completed range set in user parameter
Cn-1b.
Do not connect.
Output ground common for BKIR, VCMP, INP,
TGON/CLIMT
Do not connect.
Encoder Z phase output 1 pulse/revolution ((OFF
h Z phase
h
iis d
d)
when
detected)
Open-collector output, 30 VDC, 10 mA
When an alarm is g
generated for the Servo Driver,,
the
h output is
i OFF.
OFF Open
O
collector
ll
output.
Ground terminal for shield wire of cable and FG line.
Note Pin 36 is not used on models conforming to EC Directives. Instead, connect the cable shield to the
connector plug and ground it directly using a clamp.
D Connectors Used (36P)
Tyco Electronics AMP Receptacle at Servo Driver
Sumitomo 3M
Soldered plug at cable side
Case at cable side
178239-5
10136-3000VE
10336-52A0-008
5-9
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Chapter 5
Specifications
D Pin Arrangement
1
2
4
6
–PULS
/CW/A
–feed pulse,
reverse pulse,
A phase
–direction
–SIGN/ signal, forCCW/B ward pulse,
B phase
–deviation
–ECRST counter reset
INP
+direction
signal, for3
ward pulse,
B phase
+deviation
5 +ECRST counter reset
BKIR
Positioning
completed
output
---
Run command input
15 MING
16 POT
Forward
rotation drive
prohibit input
18 RESET
30 ---
Not used.
32 Z
Encoder
Z phase
output
Control DC
+12to
24-V input
Gain deceleration
Alarm reset
input
Reverse
rotation drive
prohibit input
23 ---
Not used.
25 ---
Not used.
27 ---
Not used.
29 ---
Not used.
31 ---
Not used.
33
Encoder
Z phase output ground
Not used.
Alarm
output
34 ALM
17 NOT
Not used.
Not used.
Not used.
Not used.
21 ---
Not used.
28 -----
Not used.
Not used.
Not used.
13 +24VIN
14 RUN
22 ---
Brake
interlock
output
Output
ground
common
19 --Not used.
26 ---
11
12 ---
20 ---
24 ---
9
10 OGND
+feed pulse,
reverse pulse,
A phase
+SIGN/
CCW/B
7
8
+PULS
/CW/A
FG
36 (see
note)
ZCOM
Alarm
35 ALMCOM output
GND
Frame
ground
Note Pin 36 is not used on models conforming to EC Directives.
j Control Input Interface
The input circuit for the control I/O connector (CN1) is as shown in the following diagram.
External power supply
12- to 24-VDC
30 mA min.
+24 VIN
13
4.7 k
RUN
14
5 mA
To other input circuit GNDs
3.3 k
To other input circuits
D Run Command (14: RUN)
This is the input that turns on the power drive circuit for the main circuit of the Servo Driver. If this signal is
not input (i.e., servo-off status), the Servomotor cannot operate. Depending on the setting of setup pa-
5-10
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Chapter 5
Specifications
rameter Cn-01, bit no. 0, this signal can be bypassed. In that case, the servo will be turned on after the
power is turned on.
D Gain Reduction (15: MING)
Input this signal to lower the loop gain for the control loop, and to weaken servo rigidity (repellant force
with respect to external force). When the gain reduction signal is input, speed loop integration is disabled. As a result, the speed loop gain will drop.
In addition, when parts are inserted after positioning, the insertion operation is made easier because the
repellant force with respect to external force is weakened by the inputting of this signal. This cannot be
used for the vertical shaft where a gravity load is applied, because position deviation will occur.
D Forward Drive Prohibit (16: POT, Cn-01 bit No. 2 = 0)
Reverse Drive Prohibit (17: NOT, Cn-01 bit No. 3 = 0)
These two signals are the inputs for forward and reverse drive prohibit (overtravel). When they are input, driving is possible in the respective directions. When driving is prohibited, movement will stop according to the setting of bit no. 8 of setup parameter no. 1 (Cn-01). Alarm status will not be generated at
the Driver. When drive prohibition is not used, clear the function by connecting the respective signal to
the external power supply +24-V GND or setting setup parameter Cn-01, bit nos. 2, 3 = 1,1.
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
ÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍÍ
Stopping Methods when Forward/Reverse Drive Prohibit is OFF
Bit
No. 8
0
Deceleration Method
Stopped Status
Decelerate by dynamic brake.
Servo free (dynamic brake OFF)
Decelerate by the maximum
torque
Servo lock
POT (NOT) is OFF
1
Note The position loop is not valid when stopping with this mode.
D Alarm Reset (18: RESET)
This is the external reset signal input for the servo alarm. The alarm is reset when the signal turns ON.
Remove the cause of the alarm and then restart operation. In order to prevent danger, turn OFF the run
command before inputting the reset signal.
D Command Pulse Inputs and Deviation Counter Reset Inputs
The input circuits for command pulse and deviation counter reset inputs are shown in the following diagram.
Line-driver Input
Controller side
+
–
Servo Driver side
+ 220 Ω
–
Applicable line driver
AM26LS31A or equivalent
5-11
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Chapter 5
Specifications
Open-collector Input
When connected with open collector output, insert a current limit resistor as shown below.
Controller side
Servo Driver side
Vcc
R
+
+ 220 Ω
–
–
When Vcc = 5 V: R = 0
When Vcc = 12 V:R = 750 Ω
When Vcc = 24 V:R = 1.6 kΩ
Deviation Counter Reset (5, 6: +ECRST/–ECRST)
The contents of the deviation counter will be reset and the position loop will be disabled when the deviation counter reset signal turns ON.
The deviation counter reset signal must be input for at least 20 µs to be effective. The counter may or
may not be reset if the input signal is less than 20 µs.
The setting of Cn-02 bit No. A determines whether setting is performed on the high signal level or on the
rising edge of the signal.
• +Feed Pulse/Reverse Pulse/90° Differential Pulse A Phase (CN1-1: +PULS/+CW/+A)
–Feed Pulse/Reverse Pulse/90° Differential Pulse A Phase (CN1-2: –PULS/–CW/–A)
+Direction Signal/Forward Pulse/90° Differential Pulse B Phase (CN1-3: +SIGN/+CCW/+B)
–Direction Signal/Forward Pulse/90° Differential Pulse B Phase (CN1-4: –SIGN/–CCW/–B)
The functions of the above pulses depend on the command pulse mode. Positive command pulse
logic is used.
• Command Pulse Mode (Cn-02 bit nos. 5, 4, 3)
Cn-02 bit nos. 5, 4, 3 = 0, 0, 0
Feed pulses and direction signal
Cn-02 bit nos. 5, 4, 3 = 0, 0, 1
Forward pulse and reverse pulse (factory default)
Cn-02 bit nos. 5, 4, 3 = 0, 1, 0
90° differential phase (A and B phases) signal (1X)
Cn-02 bit nos. 5, 4, 3 = 0, 1, 1
90° differential phase (A and B phases) signal (2x)
Cn-02 bit nos. 5, 4, 3 = 1, 0, 0
90° differential phase (A and B phases) signal (4X)
• Command Pulse Logic Reversal (Cn-02 bit no. d)
Cn-02 bit no. d = 0
Positive logic
Cn-02 bit no. d = 1
Negative logic
5-12
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Chapter 5
Specifications
Bits
Logic
Positive
5
4
3
0
0
0
0
0
1
Input
factor
Command
p lse
pulse
mode
---
Forward
pulse and
direction
signal
Reverse
pulse and
forward
pulse
90
differential
hase
phase
signals
---
0
1
0
×1
0
1
1
×2
1
0
0
×4
Input pins
Forward motor
commands
1: +PULS
2: –PULS
3: +SIGN
4: –SIGN
1: +CW
2: –CW
3: +CCW
4: –CCW
1: +A
2 –A
2:
A
3: +B
4: –B
Reverse motor
commands
“L”
“H”
“L”
“L”
Command Pulse Timing
Command pulse
mode
Forward pulse
and direction
signal
Timing
Forward commands
Direction
Reverse commands
T
t1
Maximum
frequency:
200 kpps
τ
t2
t1
t2
t2
Pulse
t1
t1
t1≤ 0.1µs
t2> 3.0µs
Reverse pulse
and forward pulse
τ ≥ 2.5µs
T≥ 5.0µs
Forward commands
CW
Maximum
frequency:
200 kpps
Reverse commands
T
τ
t2
CCW
t1
90differential
phase signals
t1
t1
(A and B pulses)
A phase
Maximum
frequency:
200 kpps
B phase
t1≤ 0.1µs
t2> 3.0µs
τ ≥ 2.5µs
T≥ 5.0µs
t1
τ
T
Forward commands
t1≤ 0.1µs
Reverse commands
τ ≥ 2.5µs
T≥ 5.0µs
Note Although the above timing charts show positive logic, the same conditions hold for negative logic.
L level: IL x 1 mA
H level: IH y 2 mA
5-13
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Chapter 5
Specifications
j Control Output Interface
The output circuit for the control I/O connector (CN1) is as shown in the following diagram.
To other output circuits
External power supply
12- to 24-VDC
Maximum operating voltage: 30 VDC
Maximum output current:
50 mA max.
(Z phase output: 20 mA max.)
Di
10
OGND
To other output circuits
Di: Diode for preventing surge voltage
(Use speed diodes.)
D Control Output Sequence
Power supply input
(R, T)
Approx. 2 s
*t
Alarm output
(ALM)
6 ms
Positioning completed output
(INP)
Brake interlock output
(BKIR)
25 to 35 ms
6 ms
Run command input
(RUN)
Alarm reset input
(RESET)
*t = Approx. 10 s: R88D-UEP04H/-UEP08H/-UEP12H
R88D-UEP10L/-UEP12L
R88D-UEP04V/-UEP08V/-UEP12V
R88D-UEP10W/-UEP12W
Approx. 15 s: R88D-UEP20H/-UEP15L
R88D-UEP20V/-UEP15W
D Brake Interlock (7: BKIR)
This outputs the external brake timing signal set in Cn-12. Refer to 3-5-4 Brake Interlock (For Motors
with Brakes) for details.
D Positioning Completed Output (8: INP)
This output is turned ON when the pulse count remaining on the deviation counter is less than the positioning completed range set in user parameter Cn-1b. If the command speed is low and the positioning
completed range is large, the positioning completed output will remain ON.
5-14
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Chapter 5
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D Alarm Output/Alarm Output Ground (34/35: ALM/ALMCOM)
When the Servo Driver detects an error, outputs are turned OFF. At that time, an alarm code (see below)
is output according to the contents of the error. This output is OFF at the time of powering up, and turns
ON when the power-up processing is completed.
D Encoder Z-phase Output (32 and 33: Z and ZCOM)
The encoder Z-phase signal is output from the Servomotor. The output (i.e., 20-mA open collector output at 30 VDC) is OFF when the Z phase is detected.
Forward
Reverse
A phase
A phase
B phase
B phase
Z phase
Z phase
Note There is no A-phase or B-phase output from the Servo Driver.
5-15
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Chapter 5
Specifications
j Control I/O Signal Connections and External Signal Processing
Reverse pulse
Brake interlock
Forward pulse
Positioning completion
Deviation counter reset
Do not connect
these pins.
Output ground
common
Maximum operating voltage:
30 VDC
Maximum output current:
50 mA
Alarm output
Encoder Z-phase
output
Maximum operating voltage:
30 VDC
Maximum output current:
20 mA
12 to 24 VDC
Run
instruction
Gain deceleration
Forward rotation
drive prohibit
Reverse rotation
drive prohibit
Alarm
reset
Frame ground
(see note)
Note Pin 36 is not used on models conforming to EC Directives.
5-16
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Chapter 5
Specifications
j CN2: Encoder Input Specifications
Pin No.
1, 2, 3
4, 5, 6
7
8, 9
10, 11
12, 13
14
15
16
17
18
19
20
(see note)
Signal name
E0V
E5V
NC
NC
NC
NC
S+
S–
A+
A–
B+
B–
FG
Function
Encoder power supply GND
Encoder power supply +5 V
Not used
Not used
Not used
Not used
Encoder + S-phase input
Encoder – S-phase input
Encoder + A-phase input
Encoder – A-phase input
Encoder + B-phase input
Encoder – B-phase input
Shielded ground
Interface
Power supply
y outlet for encoder: 5 V,, 350 mA
Do not connect.
Do not connect.
Do not connect.
Do not connect.
Line driver input ((conforming
g to EIA-RS422A))
(I
(Input
impedance:
i
d
220 Ω))
Line driver input ((conforming
g to EIA-RS422A))
(I
(Input
impedance:
i
d
220 Ω))
Line driver input ((conforming
g to EIA-RS422A))
(I
(Input
impedance:
i
d
220 Ω))
Cable shielded ground
Note Pin 20 is not used on models conforming to EC Directives. Instead, connect the cable shield to the
connector plug and ground it directly using a clamp.
D Connectors Used (20P)
Tyco Electronics AMP
Sumitomo 3M
Receptacle at Servo Driver
Soldered plug at cable side
Case at cable side
178239-2
10120-3000VE
10320-52A0-008
D Pin Arrangement
2
4
6
E0V
Encoder
power supply GND
E5V
Encoder
power supply +5 V
E5V
Encoder
power supply +5 V
1
3
5
Encoder
power supply GND
E0V
Encoder
power supply GND
E5V
13 NC
14 S+
18 B+
9
NC
12 NC
Encoder
+ S-phase
input
Encoder
– S-phase
input
17 A–
Encoder
– A-phase
input
19 B–
Encoder
– B-phase
input
Encoder
+ B-phase
input
NC
FG
20 (see
note)
15 S–
Encoder
+ A-phase
input
NC
NC
10 NC
Encoder
power supply +5 V
11
16 A+
7
8
E0V
Frame
ground
Note Pin 20 is not used with models conforming to EC Directives
D Encoder Pulse Input Signals (A-, B-, S-phase)
Inputs signals output from the Servomotor encoder. In S-phase, servo sensor U-, V-, W-, and Z-phase
are transmitted according to A- and B-phase logic.
5-17
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Chapter 5
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D Encoder Power Supply Grounds (1 to 3: E0V) and
Encoder Power Supply 5 V (E5V: 4 to 6)
Outputs +5.2 ±0.1 V as the power supply for the Servomotor encoder. The encoder power supply cannot be used for other purposes.
j CN3: Parameter Unit Input Specifications
Pin No.
1
2
3
4
5
Signal name
TXD+
TXD–
RXD+
RXD–
PRMU
Function
Transmission data +
Transmission data –
Reception data +
Reception data –
Unit switching
6
RT1
Termination resistance
enabled/disabled
7
RT2
8
9
+5V
GND
I/O interface
This is the send data line-driver output to the
P
Parameter
Unit
U i (or
( a personall computer).
)
This is the send data line-driver input from the
P
Parameter
Unit
U i (or
( a personall computer).
)
This is the switching terminal for a Parameter
Unit or personal computer. If the pin is open, it
is for a personal computer. If connected to
+5V, it is for a Parameter Unit.
This is the termination resistance terminal for
the line receiver. For 1
1-to-1
to 1 communications or
for the final Servo Driver, short-circuit
RT1-RT2.
This is the +5 V output to the Parameter Unit.
+5 V output
Ground
D Pin Arrangement
1
TXD+
Transmission
data +
6
2
3
4
5
TXD–
RXD+
RXD–
PRMU
RT1
Termination
resistance
on/off
Transmission
data –
7
RT2
8
+5V
+5-V output
9
GND
Ground
Reception
data +
Reception
data –
Unit
switching
D Connectors Used (D-sub Connector, 9 Pin)
Dai-ichi Denshi Kogyo
OMRON
Socket at Servo Driver
Soldered plug at cable side
Cover at cable side
Soldered plug at cable side
Cover at cable side
17LE-13090-27 (D2BC)
17JE-23090-02 (D1)
17JE-09H-15
XM2A-0901
XM2S-0912
j CN4: Not Used
5-18
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Chapter 5
Specifications
5-1-4 Explanation of User Parameters
Refer to 3-4-2 Setup Parameter Contents and 3-5-2 User Parameter Chart for a table of user parameters and setup parameters.
D Speed Loop Gain: Cn-04
This is the proportional gain for the speed controller. The adjustable range is 1 to 2,000 Hz (the response
frequency when equivalent inertia is used). As the number is increased, the gain is increased.
The factory setting is for 80 (Hz). Using the factory setting for the Servomotor alone or with a small load
inertia will cause vibration to occur, so set the value to a maximum of 20 (Hz) for operation.
D Speed Loop Integration Constant: Cn-05
This is the integration time for the speed controller. The adjustable range is 2 to 10,000 (ms), and it is
factory set to 20 (ms). As the number is increased, the gain is decreased.
D Brake Timing: Cn-12
These parameters determine the output timing of the brake interlock signal (BKIR), which controls the
electromagnetic brake.
Brake timing sets the delay time from the time of brake interlock goes OFF until the servo turns off.
A dynamic brake will be applied when the Run command turns OFF while the motor is operating, when a
servo error occurs, or when power is turned off. The brake interlock output (BKIR) will turn OFF when
the motor speed is reduced to 100 r/min or less. The brake interlock output (BKIR) will also turn OFF if
power is not supplied to the motor for 500 ms even if the motor speed is greater than 100 r/min.
This setting is used to prevent destroying the holding brake on the servomotor or the machine.
D Torque Command Filter Time Constant: Cn-17
This sets the low-pass filter time constant for the torque command. The setting range is 0 to 250 (×
100 µs), and the factory setting is 4 (× 100 µs).
The relationship between the filter time constant and the cut-off frequency can be found by means of the
following formula:
fc (Hz) = 1 / (2πΤ)
: Τ= Filter time constant
If Τ= 400 (µs), fc will be approximately 400 (Hz).
When the characteristic vibration of the machinery is within the response frequency of the servo loop,
Servomotor vibration will occur. In order to prevent this sympathetic vibration based on the characteristic vibration of the machinery, set the torque filter time constant to a value that will eliminate the vibration
(i.e., set it to a high value).
D Position Loop Gain: Cn-1A
Adjust the position loop gain to the rigidity of the machine. Set to between 50 and 70 (1/s) for general NC
machine tools, to between 30 and 50 (1/s) for general and assembly machines, and to 10 to 30 (1/s) for
industrial robots.
Load alarms will be caused by machine oscillation if the position loop gain is increased for systems with
low rigidity or systems with intrinsically low-frequency vibration.
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Specifications
Chapter 5
The setting range is 1 to 500 (1/s), and the factory setting is 40 (1/s).
D Positioning Completed Range: Cn-1b
This sets the deviation counter value for outputting the positioning completed output (INP). When the
deviation counter value falls below this setting, the positioning completed output turns ON. The setting
range is 0 to 250 (command units), and the factory setting is 3 (command units).
D Electronic Gear Ratio G1 (Numerator): Cn-24
Electronic Gear Ratio G2 (Denominator): Cn-25
The motor will be operated by the pulses resulting from the number of command pulses multiplied by the
gear ratio (G1/G2).
The setting range for both G1 and G2 is 65,535, and the settings are restricted as follows:
(1/100) x (G1/G2) x 100.
The factory setting is : G1 =4, G2 = 1 (i.e., an electronic gear ratio of 4/1). At the factory setting, inputting
1,024 pulses will cause one Servomotor revolution.
D Position Command Acceleration/Deceleration Time Constant: Cn-26
This executes smoothing processing on command pulses for Servomotor operation. It is valid in the
following cases:
• There is no acceleration or deceleration for command pulses.
• The command pulse frequency changes suddenly.
• The electronic gear ratio setting is large (G1/G2 y 10).
The setting range is 0 to 640 (× 0.1 ms), and the factory setting is 0 (× 0.1 ms).
5-20
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Chapter 5
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5-2
Servomotor Specifications
5-2-1 General Specifications
Item
Operating ambient temperature
Operating ambient humidity
Storage ambient temperature
Storage ambient humidity
Storage and operating atmosphere
Vibration resistance
Specifications
0°C to 40°C
20% to 80% RH (with no condensation)
–10°C to 75°C
20% to 85% RH (with no condensation)
No corrosive gasses.
10 to 150 Hz in X, Y, and Z directions with 0.2-mm double amplitude;
acceleration: 24.5 m/s2 max.; time coefficient: 8 min; 4 sweeps
Impact resistance
Acceleration 98 m/s2 max., in X, Y, and Z directions, three times
Insulation resistance
Between power line terminals and case: 10 MΩ min. (500 VDC megger)
Dielectric strength
Between power line terminals and case: 1,500 VAC for 1 min (10 mA
max.) at 50/60 Hz (JEC 2121)
Run position
All directions
Insulation grade
Type B (JIS C4004)
Structure
Totally-enclosed self-cooling
Protective structure
Non-conforming Models: IP-42 (JEM1030)
Models Conforming to EC Directives: IP-44 (IEC34-5) (excluding shaft
opening)
(Cannot be used in environment with water-soluble cutting fluids.)
Vibration grade
V-15 (JEC2121)
Mounting method
Flange-mounting
Note 1. Vibration may be amplified due to sympathetic resonance of machinery, so use the Servomotor Driver
under conditions which will not exceed 19.6 m/s2 over a long period of time.
Note
2. The above items reflect individual evaluation testing. The results may differ under compounded conditions.
Note
3. The Servomotor cannot be used in a misty atmosphere.
5-21
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Chapter 5
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5-2-2 Performance Specifications
j 200 VAC Servomotors
Item
Rated output (see note)
Rated torque (see note)
Rated rotational speed
Momentary maximum rotational speed
Momentary maximum
torque (see note)
Momentary maximum/rated
current ratio
Rated current (see note)
Momentary maximum current (see note)
Rotor inertia
Torque constant (see note)
Induced voltage constant
(see note)
Power rate (see note)
Mechanical time constant
Winding resistance
Winding impedance
Electrical time constant
Weight
Corresponding Servo Driver
Unit
R88M
-UE10030H-S1
-UE10030V-S1
R88M
-UE20030H-S1
-UE20030V-S1
R88M
-UE40030H-S1
-UE40030V-S1
R88M
-UE75030H-S1
-UE75030V-S1
W
Nm
r/min
r/min
100
0.318
3,000
4,500
200
0.637
3,000
4,500
400
1.27
3,000
4,500
750
2.39
3,000
4,500
Nm
0.96
1.91
3.82
7.10
%
322
300
308
316
A (rms)
A (rms)
0.87
2.8
2.0
6.0
2.6
8.0
4.4
13.9
kgm2
(GD2/4)
Nm/A
mV/ (r/min)
0.40 × 10–5
1.23 × 10–5
1.91 × 10–5
6.71 × 10–5
0.408
14.0
0.355
12.4
0.533
18.6
0.590
20.6
kW/s
ms
Ω
mH
ms
kg
25.4
0.5
6.99
13.2
1.9
Approx. 0.5
R88D-UEP04H
-UEP04V
32.8
0.4
1.34
7.2
5.4
Approx. 1.1
R88D-UEP08H
-UEP08V
84.6
0.3
1.23
7.9
6.4
Approx. 1.7
R88D-UEP12H
-UEP12V
85.1
0.3
0.45
5.7
13
Approx. 3.4
R88D-UEP20H
-UEP20V
Note The values for torque and rotational speed characteristics, are the values at an armature winding temperature of 100°C, combined with the Servo Driver. Other values are at normal conditions (20°C, 65%). The
maximum momentary torque is a reference value.
D AC Servomotor Heat Radiation Conditions
When an AC Servomotor is continuously operated at the rated conditions, a heat radiation plate equivalent to an rectangular aluminum plate of t6 × 250 mm is required at the Servomotor flange mounting
area. (This is for horizontal mounting, with nothing around the Servomotor and no interference from
heat convection currents.)
5-22
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Chapter 5
Specifications
j 100 VAC Servomotors
Item
Unit
R88M
-UE10030L-S1
-UE10030W-S1
R88M
-UE20030L-S1
-UE20030W-S1
R88M
-UE30030L-S1
-UE30030W-S1
Rated output (see note)
W
100
200
300
Rated torque (see note)
Nm
0.318
0.637
0.954
Rated rotational speed
r/min
3,000
3,000
3,000
Momentary maximum rotational
speed
r/min
4,500
4,500
4,500
Momentary maximum torque (see
note)
Nm
0.96
1.91
3.72
Momentary maximum/rated current ratio
%
323
311
400
Rated current (see note)
A (rms)
2.2
2.7
3.7
Momentary maximum current
(see note)
A (rms)
7.1
8.4
14.8
Rotor inertia
kgm2 (GD2/4)
0.40 × 10–5
1.23 × 10–5
1.91 × 10–5
Torque constant (see note)
Nm/A
0.156
0.255
0.279
Induced voltage constant (see
note)
mV/(r/min)
5.43
8.9
9.74
Power rate (see note)
kW/s
25.4
32.8
47.3
Mechanical time constant
ms
0.6
0.4
0.3
Winding resistance
Ω
1.22
0.706
0.435
Winding impedance
mH
2.0
4.0
2.3
Electrical time constant
ms
1.6
5.7
5.3
Weight
kg
Approx. 0.5
Approx. 1.1
Approx. 1.7
R88D-UEP10L
-UEP10W
R88D-UEP12L
-UEP12W
R88D-UEP15L
-UEP15W
Corresponding Servo Driver
Note The values for torque and rotational speed characteristics, are the values at an armature winding temperature of 100°C, combined with the Servo Driver. Other values are at normal conditions (20°C, 65%). The
maximum momentary torque is a reference value.
D AC Servomotor Heat Radiation Conditions
When an AC Servomotor is continuously operated at the rated conditions, a heat radiation plate equivalent to an rectangular aluminum plate of t6 × 250 mm is required at the Servomotor flange mounting
area. (This is for horizontal mounting, with nothing around the Servomotor and no interference from
heat convection currents.)
j Specifications for Servomotors with Magnetic Brakes
The magnetic brakes installed in Servomotors with brakes are status-holding brakes
with non-magnetized operation. The magnetic brake is released when a magnetic current (24 VDC) is applied. The magnetic brake is not meant to be used for braking. Using it
for braking will damage it. During Servomotor operation, be sure to release the magnetic
brake by applying a magnetic voltage. The specifications for Servomotors with brakes
are similar to those for Servomotors without brakes, so except for inertia and weight, the
various constants are all the same.
The inertia for magnetic brakes is the load inertia.
Use a separate power supply for the magnetic brake excitation power.
5-23
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Chapter 5
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D Specifications for AC Servomotors With Brakes (Specifications in Common for 100
and 200 VAC)
Item
Unit
R88M
-UE10030-BS1
R88M
-UE20030-BS1
R88M
-UE30030-BS1
1.91 × 10–5
R88M
-UE40030-BS1
1.91 × 10–5
R88M
-UE75030-BS1
Rotor inertia
kgm2
(GD2/4)
0.40 × 10–5
1.23 × 10–5
6.71 × 10–5
Brake inertia
kgm2
(GD2/4)
0.09 × 10–5
0.58 × 10–5
Total inertia
kgm2
(GD2/4)
0.49 × 10–5
1.81 × 10–5
2.49 × 10–5
2.49 × 10–5
8.11 × 10–5
Weight
(approx.)
kg
0.8
1.6
2.2
2.2
4.3
Magnetized
voltage
V
24 VDC ±10% (No polarity)
Power consumption
W (at 20°C)
6
6.5
6
Current consumption
A (at 20°C)
0.25
0.27
0.25
Static friction
torque
Nm
0.34 min.
1.5 min.
2.5 min.
Absorption
time (see
note 1)
ms
(60 max.)
(100 max.)
(200 max.)
Release time
(see note 1)
ms
(30 max.)
(40 max.)
(50 max.)
Backlash
---
(±1°)
Rating
---
Continuous
Insulation
grade
---
Type F
1.40 × 10–5
Note
1. The operation time measurement is the measured value with a surge killer (CR50500, by Okaya Electric Industrial Co.) installed.
Note
2. The items in parentheses are reference values.
5-24
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Chapter 5
Specifications
5-2-3 Torque and Rotational Speed Characteristics
j Torque Characteristics (With 3-m Standard Cable and 200-VAC Input)
R88M-UE10030H-S1
-UE10030V-S1
R88M-UE20030H-S1
-UE20030V-S1
R88M-UE40030H-S1
-UE40030V-S1
Frequent use
Frequent use
Frequent use
Continuous use
Continuous use
Continuous use
R88M-UE75030H-S1
-UE75030V-S1
Frequent use
Continuous use
j Torque Characteristics (With 3-m Standard Cable and 100-VAC Input)
R88M-UE10030L-S1
-UE10030W-S1
Frequent use
Continuous use
R88M-UE20030L-S1
-UE20030W-S1
R88M-UE30030L-S1
-UE30030W-S1
Frequent use
Frequent use
Continuous use
Continuous use
j Servomotor and Mechanical System Temperature Characteristics
• U-series AC Servomotors use rare earth magnets (neodymium-iron magnets). The temperature coefficient for these magnets is approximately -0.13%/°C. As the temperature drops, the Servomotor’s
5-25
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Chapter 5
Specifications
momentary maximum torque increases, and as the temperature rises the Servomotor’s momentary
maximum torque decreases. When the normal temperature of 20°C and -10°C are compared, the
momentary maximum torque increases by approximately 4%. Conversely, when the magnet warms
up to 80°C from the normal temperature of 20°C, the momentary maximum torque decreases by
approximately 8%.
• Generally, in a mechanical system, when the temperature drops the friction torque increases and the
load torque becomes larger. For that reason, overloading may occur at low temperatures. In particular, in systems which use deceleration devices, the load torque at low temperatures may be nearly
twice the load torque at normal temperatures. Check with a monitor (using a torque command) to see
whether overloading is occurring at low temperatures, and how much the load torque is. Likewise,
check to see whether there abnormal Servomotor overheating or alarms are occurring at high temperatures.
• An increase in load friction torque increases the apparent load inertia. Therefore, even if the Servo
Driver parameters are adjusted at a normal temperature, there may not be optimal operation at low
temperatures. Check to see whether there is optimal operation at low temperatures too.
5-2-4 Allowable Loads on Servomotor Shafts
The allowable loads on Servomotor shafts are shown in the following table. Operate the Servomotor at
no more than the allowable radial and thrust loads. At the time of assembly, assemble the Servomotor at
no more than the momentary maximum radial and thrust loads (static pressure).
Servomotor
R88M-UE10030-S1
R88M-UE20030-S1
R88M-UE30030-S1
R88M-UE40030-S1
R88M-UE75030-S1
Momentary
allowable radial
load (static
pressure)
Momentary
allowable thrust
load (static
pressure)
Allowable radial
load
Allowable thrust
load
N
N
N
N
186
490
490
490
735
127
176
176
176
392
78
245
245
245
392
54
74
74
74
147
Note 1. The allowable loads are the same for motors with brakes.
Note 2. The allowable radial load is the value at a point 5 mm from the end of the shaft.
Radial load
Thrust load
5 mm
Note 3. The allowable radial and thrust loads are values determined with a service life of 20,000 hours
taken as a criteria.
Note 4. The service life of bearing grease is 20,000 hours at a Servomotor ambient temperature of
40°C, and under the rated operating conditions.
Note 5. Absolutely do not impact the Servomotor or the output shaft by striking them with an implement such as a hammer. Doing so will damage the Servomotor and encoder bearings.
5-26
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Chapter 5
Specifications
Note 6. Make sure that the radial load is within the allowable range when there is a radial load applied.
If the Servomotor is operated at more than the allowable radial load, the shaft may suffer damage due to fatigue.
Note 7. Applying an excessive load even once can damage the bearings and eventually cause a
breakdown.
5-2-5 Encoder Specifications
Item
Encoder method
Number of output pulses
Power supply voltage
Power supply current
Phase characteristics
Phase relationship
Maximum rotational speed
Maximum response frequency
Output signals
Output impedance
Serial communications data
Serial communications method
Standards
Optical incremental encoder
A, B phase: 1,024 pulses/revolution
Z phase: 1 pulse/revolution
5 VDC±5%
DC, 350 mA (for load resistance of 220 Ω)
90° ±43.2°
For rotation in the CW direction, A phase is advanced by 90° compared to
B phase.
4500 r/min
76.8 kHz
+A, –A, +B, –B, +S, –S
Conforming to EIA RS-422A.
Output based on AM26LS31CN or equivalent.
Z phase, poll sensor, U, V, W phase
Combination communications method based on A, B, and S phases.
5-27
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Chapter 5
Specifications
5-3
Cable Specifications
5-3-1 Controller Connecting Cable
j Connector–Terminal Block Conversion Unit Cables
D Types of Cable
Model
R88A-CTU001N
R88A-CTU002N
Length (L)
1m
2m
Outer diameter of sheath
9.9 dia.
D Connection Configuration
L
XW2B-40F5-P
Connector-Terminal
Conversion Unit
OMNUC U-Series UE model
AC Servomotor Driver
5-28
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Chapter 5
Specifications
D Wiring
No.
1
2
3
4
5
6
7
8
9
A
B
A
B
A
B
A
B
A
1
1
2
2
3
3
4
4
5
10
11
12
13
14
15
16
17
18
19
B
A
B
A
B
A
B
A
B
A
5
6
6
7
7
8
8
9
9
10
20
21
22
23
24
25
26
27
28
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
A
B
10
11
11
12
12
13
13
14
14
15
15
16
16
17
17
18
18
19
19
20
20
29
30
31
32
33
34
35
36
37
38
39
40
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
No.
Signal
+CW
–CW
+CWW
–CWW
+ECRST
–ECRST
BKIR
INP
0GND
+24 VIN
RUN
MIGN
POT
NOT
RESET
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Shell
Cable: AWG24 × 18P
Z
ZCOM
ALM
ALMCOM
FG
Connector plug
Sumitomo 3M’s 10136-3000VE
Connector cover
Sumitomo 3M’s 10336-52A0-008
Connector plug: Fujitsu’s FCN-361J040-AU
Connector cover: Fujitsu’s FCN-360C040-B
5-29
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Chapter 5
Specifications
j General-purpose Control Cable
D Types of Cable
Model
R88A-CPU001S
R88A-CPU002S
Length (L)
1m
2m
Outer diameter of sheath
9.9 dia.
D Connection Configuration
L
Position Control Unit
mounted on a SYSMAC
C/CV-series PC
OMNUC U-Series UE model
AC Servomotor Driver
5-30
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Chapter 5
Specifications
D Wiring
No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
Shell
Insulation
color
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Gray
Gray
Orange
Orange
White
White
Yellow
Yellow
Pink
Pink
Orange
Orange
Gray
Gray
White
White
Yellow
Yellow
Pink
Pink
Orange
Orange
Gray
Gray
White
White
Shield
Dot mark
–
–
–
–
–
–
–
–
–
–
––
––
––
––
––
––
––
––
––
––
–––
–––
–––
–––
–––
–––
–––
–––
–––
–––
––––
––––
––––
––––
––––
––––
---
Dot mark
color
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
Black
Red
---
Signal name
+CW
–CW
+CCW
–CCW
+ECRST
–ECRST
BKIR
INP
Connector Pin
Arrangement
2
4
6
8
10
12
14
16
0GND
+24VIN
RUN
MING
POT
NOT
RESET
18
1
3
5
7
9
11
13
15
17
20
22
24
26
28
30
32
34
36
19
21
23
25
27
29
31
33
35
Connector plug model:
10136-3000VE
(Sumitomo 3M)
Connector case model:
10336-52A0-008
(Sumitomo 3M)
Z
ZCOM
ALM
ALMCOM
FG
Cable: AWG24X18P
5-31
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Chapter 5
Specifications
5-3-2 Encoder Cable
j Encoder Cables for Non-conforming Models
D Types of Cable
Model
R88A-CRU003C
R88A-CRU005C
R88A-CRU010C
R88A-CRU015C
R88A-CRU020C
Length (L)
3m
5m
10 m
15 m
20 m
Outer diameter of sheath
8 dia.
(Up to a maximum of 20 m between the Monitor and the Servo Driver.)
D Connection Configuration
L
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
Symbol No.
A+
A–
1
2
B+
3
B–
4
S+
5
S–
E0V
6
7
E5V
8
FG
9
No. Symbol
AWG24 (blue)
AWG24 (white/blue)
AWG24 (yellow)
AWG24 (white/yellow)
AWG24 (green)
AWG24 (white/green)
AWG22 (black)
AWG22 (red)
AWG22
(green/yellow)
16
17
A+
A–
18
B+
19
B–
14
S+
15
1
S–
E0V
4
E5V
20
FG
Cable: AWG22 × 3C + AWG24 × 3P
UL2589
Cable Side
Connector housing model:
Connector socket contact model:
Crimping tool:
Pulling tool:
172161-1 (Tyco Electronics AMP)
170365-1 (Tyco Electronics AMP)
724649-1
724668-2
Connector plug model:
Connector case model:
10120-3000VE (Sumitomo 3M)
10320-52A0-008 (Sumitomo 3M)
5-32
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Chapter 5
Specifications
Motor Side
Connector plug model:
Connector pin contact model:
172169-1 (Tyco Electronics AMP)
170359-1 (Tyco Electronics AMP)
j Encoder Cables for Models Conforming to EC Directives
D Types of Cable
Model
R88A-CRUD003C
R88A-CRUD005C
R88A-CRUD010C
R88A-CRUD015C
R88A-CRUD020C
Length (L)
3m
5m
10 m
15 m
20 m
Outer diameter of sheath
8 dia.
(Up to a maximum of 20 m between the Monitor and the Servo Driver.)
D Connection Configuration
L
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
Symbol No.
A+
A–
1
2
B+
3
B–
4
S+
5
S–
E0V
6
7
E5V
8
FG
9
No.
AWG24 (blue)
AWG24 (white/blue)
AWG24 (yellow)
AWG24 (white/yellow)
AWG24 (green)
AWG24 (white/green)
AWG22 (black)
AWG22 (red)
AWG22
(green/yellow)
Cable: AWG22 × 3C + AWG24 × 3P
UL2589
Symbol
16
17
A+
A–
18
B+
19
B–
14
S+
15
1
S–
E0V
4
E5V
20
Shell
FG
5-33
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Chapter 5
Specifications
Cable Side
Connector model:
17J E 13090-02D8A (DDK)
Connector plug model:
Connector case model:
10120-3000VE (Sumitomo 3M)
10320-52A0-008 (Sumitomo 3M)
5-3-3 Power Cable
j Power Cable for Servomotors Without Brakes, Non-conforming
Models
D Types of Cable
Model
R88A-CAU003S
R88A-CAU005S
R88A-CAU010S
R88A-CAU015S
R88A-CAU020S
Length (L)
3m
5m
10 m
15 m
20 m
Outer diameter of sheath
5.8 dia.
(Up to a maximum of 20 m between the Monitor and the Servo Driver.)
D Connection Configuration
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
Symbol
No.
U-phase
V-phase
1
2
W-phase
3
GR
4
AWG20 Red
AWG20 White
AWG20 Blue
AWG20 Green
Cable: AWG20 × 4C
UL2517
Crimp-style terminal
Cable Side
Connector housing model:
Connector socket contact model:
172159-1 (Tyco Electronics AMP)
170366-1 (Tyco Electronics AMP)
5-34
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Chapter 5
Specifications
Crimping tool:
Pulling tool:
724651-1
724668-2
Motor Side
Connector plug model:
Connector pin contact model:
172167-1 (Tyco Electronics AMP)
170359-1 (Tyco Electronics AMP) for 100-W use
170360-1 (Tyco Electronics AMP) for 200 to 750-W use
j Power Cable for Servomotors With Brakes, Non-conforming Models
D Types of Cable
Model
R88A-CAU003B
R88A-CAU005B
R88A-CAU010B
R88A-CAU015B
R88A-CAU020B
Length (L)
3m
5m
10 m
15 m
20 m
Outer diameter of sheath
6.8 dia.
(Up to a maximum of 20 m between the Monitor and the Servo Driver.)
D Connection Configuration
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
Symbol
No.
U-phase
V-phase
1
2
W-phase
3
GR
4
Brake
5
Brake
6
AWG20 Red
AWG20 White
AWG20 Blue
AWG20 Green
AWG20 Black
AWG20 Black
Cable: AWG20 × 6C
UL2517
Crimp-style terminal
5-35
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Chapter 5
Specifications
Cable Side
Connector housing model:
Connector socket contact model:
Crimping tool:
Pulling tool:
172160-1 (Tyco Electronics AMP)
170366-1 (Tyco Electronics AMP)
724651-1
724668-2
Motor Side
Connector plug model:
Connector pin contact model:
172168-1 (Tyco Electronics AMP)
170359-1 (Tyco Electronics AMP) for 100-W use
170360-1 (Tyco Electronics AMP) for 200 to 750-W use
j Power Cable for Servomotors Without Brakes, Models Conforming to
EC Directives
D Types of Cable
Model
R88A-CAU001
Length (L)
1m
Outer diameter of sheath
5.8 dia.
Note 1. Power cables will be cut to the specified length in 1-m increments.
Note 2. The maximum distance between the Servomotor and the Servo Driver is 20 m.
D Connection Configuration
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
AC Servo Driver
AC Servomotor
U-phase
V-phase
W-phase
GR
Red
AWG20 Red
White
AWG20 White
Blue
AWG20 Blue
Green/Yellow
AWG20 Green
U
V
W
Cable: AWG20 × 4C
UL2517
5-36
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Chapter 5
Specifications
j Power Cable for Servomotors With Brakes, Models Conforming to EC
Directives
Model
R88A-CAU01B
Length (L)
1m
Outer diameter of sheath
6.8 dia.
Note 1. Power cables will be cut to the specified length in 1-m increments.
Note 2. The maximum distance between the Servomotor and the Servo Driver is 20 m.
D Connection Configuration
OMNUC U-Series UE model
AC Servomotor
OMNUC U-Series UE model
AC Servomotor Driver
D Wiring
AC Servo Driver
AC Servomotor
U-phase
V-phase
W-phase
GR
Red
AWG20 Red
White
AWG20 White
Blue
AWG20 Blue
Green/Yellow
AWG20 Green
Red
AWG20 Black
Black
AWG20 Black
U
V
W
Brake
Brake
Cable: AWG20 × 6C
UL2517
24 VDC ±10%
(no polarity)
5-37
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Chapter 5
Specifications
5-4
Parameter Unit Specifications
j General Specifications
Item
Operating ambient temperature
Storage ambient temperature
Operating ambient humidity
Storage ambient humidity
Storage and operating
atmosphere
Vibration resistance
Impact resistance
Standards
0°C to 55°C
–10°C to 75°C
35% to 85% RH (with no condensation)
35% to 85% RH (with no condensation)
No corrosive gasses.
4.9 m/s2 max.
Acceleration 19.6 m/s2 max.
j Performance Specifications
Model
Type
Accessory cable
Accessory connectors
Display
External dimensions
CommuStandard
nications
i i
Communications
specifica- method
tions
Baud rate
Start bits
Data
Parity
Stop bits
Errors detected by Parameter
Unit
R88A-PR02U
Hand held
1,000 mm
7910-7500SC (10 pins)
7-segment LED, 5 digits
63 × 135 × 18.5 (W × H × D)
RS-232C
Asynchronous (ASYNC)
2,400 bps
1 bit
8 bits
None
1 bit
Display
CPF00
CPF01
R88A-PR03U
Mounted
(Connected by connectors.)
D sub-connector (9 pins)
54 × 57.5 × 15 (W × H × D)
RS-422A
Cannot transmit even after 5 seconds have
elapsed since power supply was turned on.
A BCC error or faulty reception data has occurred
for five consecutive times, or a time overrun (1 s)
has occurred for three consecutive times.
5-38
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Chapter 5
Specifications
5-5
Regeneration Unit Specifications
j R88A-RG08UA Regeneration Unit
D General Specifications
Item
Operating ambient temperature
Storage ambient temperature
Operating ambient humidity
Storage ambient humidity
Storage and operating
atmosphere
Vibration resistance
Impact resistance
Standards
0°C to 55°C
–10°C to 75°C
35% to 85% RH (with no condensation)
35% to 85% RH (with no condensation)
No corrosive gasses.
4.9 m/s2 max.
Acceleration 19.6 m/s2 max.
D Performance Specifications
Model
Regeneration operating voltage
Regeneration processing current
Average regeneration power
Externally connected regeneration
resistance
Error detection function
Alarm output
External dimensions
R88A-RG08UA
380 VDC
8 ADC
12 W (internal resistance: 50 Ω, 60 W)
47 Ω±5%
Regeneration resistance disconnection, regeneration transistor
damage, overvoltage
SPST-NC contact (open contact at time of protective function
operation)
(200 VAC drive possible.)
55 × 160 × 130 (W × H × D)
D Indicator LED Specifications
Name
POWER
REGEN
ALARM-REGEN
ALARM-OV
Specifications
Lit while power flows between P and N terminals.
Lit during regeneration operation.
Lit for regeneration resistance disconnection or regeneration transistor damage.
Lit when overvoltage occurs.
Note 1. When the error detection function operates, an alarm is output from the Unit.
Note 2. Create a sequence so that the power supply (R–T) to the Servo Driver is cut off when an alarm
is generated.
Note 3. When the error detection function operates and the Servo Driver’s power supply is cut off, the
Regeneration Unit won’t be restored to its normal status until 2 to 3 seconds have elapsed,
even if the power supply is turned on again. (Normal status is restored after the electrolytic
capacitor in the Servo Driver has been discharged and the voltage between P and N drops.)
Note 4. The Regeneration Unit does not conform to EC Directives.
5-39
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Chapter 5
Specifications
5-6
Front-mounting Bracket Specifications
The Front-surface Mounting Brackets (R88A-TK01U/TK02U) are used to mount a Servo Driver from the front surface. The model of the Bracket depends on the model of the
Servo Driver.
These Mounting Brackets cannot be used with models conforming to EC Directives.
j Combinations
Servo Driver
Model
R88D-UEP04H
R88D-UEP08H
R88D-UEP12H
R88D-UEP20H
R88D-UEP10L
R88D-UEP12L
R88D-UEP15L
Supply voltage
200 V
100 V
Power
100 W
200 W
400 W
750 W
100 W
200 W
300 W
Front-surface Mounting
g Bracket
model
d l
R88A-TK01U
R88A-TK02U
R88A-TK01U
R88A-TK02U
Note The Brackets come with a top bracket, a bottom bracket, and five mounting screws.
j Dimensions
D R88A-TK01U
Top Mounting Bracket
Two, 3.6-dia. pan-head screws
6 dia.
5-40
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Chapter 5
Specifications
Bottom Mounting Bracket
Two, 3.6-dia. pan-head screws
D R88A-TK02U
Top Mounting Bracket
Two, 3.6-dia. pan-head screws
6 dia.
5-41
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Chapter 5
Specifications
Bottom Mounting Bracket
Two, 3.6-dia. pan-head screws
j Mounting Dimensions
D R88A-TK01U
Two, M5
D R88A-TK02U
Three, M5
5-42
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6
Chapter 6
Supplementary
Materials
6-1
6-2
6-3
6-4
Connection Examples
Relay Units for Servo Drivers
OMNUC U-Series Standard Models
Parameter Setting Forms
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Chapter 6
Supplementary Materials
6-1
Connection Examples
j Connecting to SYSMAC C200H-NC112 Position Control Unit with
5-VDC Power Supply
MCCB
Main circuit power supply
R
Noise filter
OFF
R88D-UEP L:
100/115 VAC, 50/60 Hz
R88D-UEP H:
200/230 VAC, 50/60 Hz
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
C200H-NC112
MC
ON
R88D-UEP
Class-3 ground
Terminal
No.
A
Output power supply input, 24 VDC
1
B
A
2
Output power supply input, 5 VDC
B
Contents
AC Servomotor Driver
TB
R
CN 1
N
+CCW
B
4
–CCW
W
4
A
B
1
+CW
2
–CW
0V
5
A
B
+ECRST
Deviation counter reset output
0V
5
6
6
33
ZCOM
Z
Pulse output
3
U
V
CCW (with resistance)
3
CCW (without resistance)
CW (with resistance)
CW (without resistance)
Origin input
11
Positioning completed input
9
Position proximity input
10
CCW limit input
12
CW limit input
13
External interrupt input
19
Emergency stop input
20
A
5 VDC
A
B
A
12 to
24 VDC
32
B
A
B
A
X1
B
A
B
A
B
A
B
A
B
R88M-UE
Connect external Regen- AC Servomotor
eration Unit as required.
T
P
X1
Red
R88A-CAU
Power Cable
S
White
M
Blue
Green
CN2
–ECRST
8
INP
13
+24VIN
14
RUN
18
10
RESET
OGND
35
ALMCOM
34
ALM
RE
R88A-CRU
Encoder Cable
C
24 VDC
Shell
FG
R88A-CPU
S
General-purpose
Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (24 +5 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. Use the RUN signal to set whether the Servo can be turned ON/OFF.
6-2
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC C200H-NC112 Position Control Unit with
24-VDC Power Supply
MCCB
R88D-UEP H:
200/230 VAC, 50/60 Hz
Main circuit power supply
MC
ON
OFF
Noise filter
R
R88D-UEP L:
100/115 VAC, 50/60 Hz
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
R88D-UEP
Class-3 ground
AC Servomotor Driver
C200H - NC112
Terminal
No.
A
Output power supply input, 24 VDC
1
B 24 VDC
A
2
Output power supply input, 5 VDC
B
CCW (with resistance)
3 A
Pulse output
Contents
CCW (without resistance)
CW (with resistance)
4
CW (without resistance)
5
T
N
3
4
B
A
Deviation counter reset output
0V
6
Origin input
11
Positioning completed input
9
Position proximity input
10
CCW limit input
12
13
External interrupt input
19
Emergency stop input
20
A
B
A
B
A
+CCW
U
V
–CCW
W
1
+CW
2
–CW
5
+ECRST
–ECRST
1.6 K
6
12 to
24 VDC
X1
B
A
B
A
B
A
B
R88M-UE
Connect external Regen- AC Servomotor
eration Unit as required.
R88A-CAU
S
Red
Power Cable
White
M
Blue
Green
CN2
B
A
B
A
B
A
TB
R
P
B
0V
CW limit input
CN 1
X1
33
ZCOM
32
Z
8
INP
13
+24VIN
14
18
RUN
RESET
10
OGND
35
34
ALMCOM
RE
R88A-CRU
Encoder Cable
C
ALM
24 VDC
Shell
FG
R88A-CPU
S
General-purpose
Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (24 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. Use the RUN signal to set whether the Servo can be turned ON/OFF.
6-3
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC C200H-NC211/C500-NC113/211 Position
Control Unit with 5-VDC Power Supply
MCCB
Main circuit power supply
R
OFF
Noise filter
R88D-UEP L:
100/115 VAC, 50/60 Hz
R88D-UEP H:
200/230 VAC, 50/60 Hz
MC
ON
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
R88D-UEP
Class-3 ground
AC Servomotor Driver
C200H - NC211
CN 1
Contents
Output power supply input, 24 VDC
No.
1
T
N
23
1
+CW
U
V
2
–CW
W
3
+CCW
4
–CCW
5
+ECRST
6
–ECRST
8
INP
5 VDC
X-axis pulse
output
CW (with resistance)
CW (without resistance)
CCW (with resistance)
CCW (without resistance)
2
3
13
14
X-axis deviation counter reset output
4
X-axis positioning completed input
8
12 to 24 VDC
X-axis origin input
X-axis origin common
X/Y-axis input common
Connect external Regeneration Unit as required.
P
24 VDC
Output power supply, 0 V
TB
R
10
11
33
ZCOM
32
22
13
Z
+24VIN
Red
R88A-CAU
Power Cable
R88M-UE
AC Servomotor
S
White
M
Blue
Green
CN2
RE
R88A-CRU
Encoder Cable
C
X1
X-axis external interrupt input
6
14
RUN
X-axis origin proximity input
7
17
18
RESET
OGND
X-axis CCW limit input
X-axis CW limit input
X/Y-axis emergency stop input
18
19
X1
10
35
34
ALMCOM
ALM
24 VDC
Shell
FG
FG
12
R88A-CPU
S
General-purpose Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (24 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. This wiring diagram is an example of X-axis wiring only. If two-axis control is used, the external
input and Servo Driver wiring must be done in the same way for the Y axis.
Note 7. Use the RUN signal to set whether the Servo can be turned ON/OFF.
6-4
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC C200H-NC211/C500-NC113/211 Position
Control Unit with 24-VDC Power Supply
MCCB
Main circuit power supply
R
OFF
Noise filter
R88D-UEP L:
100/115 VAC, 50/60 Hz
R88D-UEP H:
200/230 VAC, 50/60 Hz
MC
ON
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
R88D-UEP
Class-3 ground
AC Servomotor Driver
C200H - NC211
CN 1
Contents
Output power supply input, 24 VDC
No.
1
X-axis pulse
output
CW (with resistance)
CW (without resistance)
CCW (with resistance)
CCW (without resistance)
P
N
23
2
3
13
14
1.6 K
X-axis deviation counter reset output
4
X-axis positioning completed input
8
1
+CW
2
–CW
U
V
3
+CCW
W
4
–CCW
5
+ECRST
6
–ECRST
8
INP
12 to 24 VDC
X-axis origin input
X-axis origin common
X/Y-axis input common
10
11
22
X-axis external interrupt input
X-axis origin proximity input
R88M-UE
Connect external Regen- AC Servomotor
eration Unit as required.
T
24 VDC
Output power supply, 0 V
TB
R
33
32
ZCOM
13
Z
+24VIN
6
14
RUN
7
17
18
RESET
OGND
Red
R88A-CAU
Power Cable
S
White
M
Blue
Green
CN2
RE
R88A-CRU
Encoder Cable
C
X1
X-axis CCW limit input
X-axis CW limit input
X/Y-axis emergency stop input
18
19
X1
10
35
34
ALMCOM
ALM
24 VDC
Shell
FG
FG
12
R88A-CPU
S
General-purpose Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (24 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. This wiring diagram is an example of X-axis wiring only. If two-axis control is used, the external
input and Servo Driver wiring must be done in the same way for the Y axis.
Note 7. Use the RUN signal to set whether the Servo can be turned ON/OFF.
6-5
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC 3G2A5-NC111-EV1 Position Control Unit
R88D-UEP H:
200/230 VAC, 50/60 Hz
Main circuit power supply
OFF
Noise filter
MCCB
R
R88D-UEP L:
100/115 VAC, 50/60 Hz
MC
ON
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
R88D-UEP
Class-3 ground
AC Servomotor Driver
3G2A5-NC111-EV1
Contents
12 to 24 VDC
CW limit
CCW limit
Emergency stop
External interrupt
Origin
Origin proximity
Local
Ready
Pulse output
5 VDC
Terminal
No.
A
1
B
A
2
B
A
3
B
A
4
B
A
5
B
8
CW+
CW–
CCW+
CCW–
9
10
A
B
CN 1
13
24 VDC
+24 VIN
T
P
X1
X1
TB
R
14
RUN
N
18
RESET
35
ALMCOM
U
V
34
ALM
W
Connect external Regeneration Unit as required.
Red
White
Blue
Green
R88A-CAU
Power Cable
R88M-UE
AC Servomotor
S
M
24 VDC
CN2
5 VDC
RE
1
A
B
A
2
+CW
–CW
3
+CCW
4
–CCW
B
5
R88A-CRU
Encoder Cable
C
+ECRST
6 –ECRST
Shell FG
R88A-CPU
S
General-purpose Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 4. When using a 3G2A5-NC111-EV1 Position Control Unit, origin search is carried out according
to the origin and origin proximity inputs. Set the origin and origin proximity for the mechanical
system. Even after the 3G2A5-NC111-EV1 completes the origin search and pulses are
stopped, pulses are still accumulated in the deviation counter in the Servo Driver. The Servomotor will move for the amount of residual pulses and then stop, so there may be a discrepancy with the origin. In order to minimize the amount of the discrepancy, set the origin search
proximity speed as low as possible.
Note 5. Use the RUN signal to set whether the Servo can be turned ON/OFF.
Note 6. Class-3 grounds must be to 100 Ω or less.
6-6
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC C200HW-NC113/213/413 Position Control Unit
with 5-VDC Power Supply
NFB
Main circuit power supply
R
OFF
Noise filter
R88D-UEP L:
100/115 VAC, 50/60 Hz
R88D-UEP H:
200/230 VAC, 50/60 Hz
ON
MC
Main circuit contact
SUP
Surge killer
PL
Servo error display
X1
MC
X1
T
Class-3 ground R88D-UEP
AC Servomotor Driver
MC
C200HW - NC113/213/413
CN 1
Contents
Output power supply input, 24 VDC
No.
T
A1
24 VDC
Output power supply, 0 V
CW (with resistance)
CW (without resistance)
CCW (with resistance)
CCW (without resistance)
N
A2
A6
1
+CW
U
V
A5
2
–CW
W
A8
3
+CCW
A7
4
–CCW
5
+ECRST
6
–ECRST
8
INP
X-axis deviation counter reset output
A10
X-axis positioning completed input
A12
Connect external Regeneration Unit as required.
P
5 VDC
X-axis pulse
output
TB
R
12 to 24 VDC
X-axis origin input
A15
X-axis origin common
X-axis input common
A14
33
32
A24
13
Z
+24VIN
X-axis external interrupt input
A19
14
RUN
X-axis origin proximity input
A21
18
X-axis CCW limit input
X-axis CW limit input
X-axis emergency stop input
A23
RESET
OGND
ZCOM
Red
R88A-CAU
Power Cable
R88M-UE
AC Servomotor
S
White
M
Blue
Green
CN2
RE
R88A-CRU
Encoder Cable
C
X1
A22
A20
X1
10
35
34
ALMCOM
ALM
24 VDC
36
FG
R88A-CPU
S
General-purpose Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (5 or 24 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. This wiring diagram is an example of X-axis wiring only. If two-axis control is used, the external
input and Servo Driver wiring must be done in the same way for the Y axis.
Note 7. Use the RUN signal to set whether the Servo can be turned ON/OFF.
Note 8. With UE models, the maximum response for pulse command input is 200 kpps.
6-7
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Chapter 6
Supplementary Materials
j Connecting to SYSMAC C200HW-NC113/213/413 Position Control Unit
with 24-VDC Power Supply
NFB
Main circuit power supply
R
OFF
R88D-UEP H:
200/230 VAC, 50/60 Hz
ON
MC
Noise filter
R88D-UEP L:
100/115 VAC, 50/60 Hz
Main circuit contact
X1
SUP
Surge killer
PL
Servo error display
MC
X1
T
Class-3 ground R88D-UEP
AC Servomotor Driver
MC
C200HW-NC113/213/413
CN 1
Contents
Output power supply input, 24 VDC
No.
X-axis pulse
output
CW (with resistance)
CW (without resistance)
CCW (with resistance)
CCW (without resistance)
R88M-UE
Connect external Regen- AC Servomotor
eration Unit as required.
T
A1
24 VDC
Output power supply, 0 V
TB
R
P
N
A2
1
+CW
A6
2
–CW
U
V
A5
3
+CCW
W
A8
4
–CCW
5
+ECRST
6
–ECRST
8
INP
Red
R88A-CAU
Power Cable
S
White
M
Blue
Green
A7
X-axis deviation counter reset output
A11
X-axis positioning completed input
A12
12 to 24 VDC
X-axis origin input
X-axis origin common
X-axis input common
A15
X-axis external interrupt input
ZCOM
A14
33
32
A24
13
Z
+24VIN
A19
14
RUN
X-axis origin proximity input
A21
18
X-axis CCW limit input
X-axis CW limit input
X-axis emergency stop input
A23
10
35
34
RESET
OGND
CN2
RE
R88A-CRU
Encoder Cable
C
X1
A22
A20
X1
ALMCOM
ALM
24 VDC
36
FG
R88A-CPU
S
General-purpose Cable
Note 1. Incorrect signal wiring can cause damage to Units and the Servo Driver.
Note 2. Leave unused signal lines open and do not wire them.
Note 3. Use mode 2 for origin search.
Note 4. Use a dedicated power supply (24 VDC) for command pulse signals.
Note 5. ERB44-02 diodes (by Fuji Electric) or equivalent are recommended for surge absorption.
Note 6. This wiring diagram is an example of X-axis wiring only. If two-axis control is used, the external
input and Servo Driver wiring must be done in the same way for the Y axis.
Note 7. Use the RUN signal to set whether the Servo can be turned ON/OFF.
Note 8. With UE models, the maximum response for pulse command input is 200 kpps.
6-8
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Chapter 6
Supplementary Materials
6-2
Relay Units for Servo Drivers
j XW2B-20J6-1B Relay Unit for C200H-NC112
Connect to C200H-NC112
Connect to Servo Driver
Two, 3.5 dia.
The pitch of the terminal block is 7.62 mm.
Emergency
stop
CW
limit
CCW
limit
Origin
proximity
External
Common Common Common interrupt Common Common
(See note 1.)
24 VDC
24 VDC
Note 1. The XB contact is used for ON/OFF of the electromagnetic brake.
Note 2. Do not connect unused terminals.
Note 3. The 0-V terminal and the common terminals are connected internally.
Note 4. Use the following crimp terminals: R1.25-3 (round type, forked type).
6-9
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Chapter 6
Supplementary Materials
j XW2B-40J6-2B Relay Unit for C200H-NC211
Connect to C200H-NC211
Connect to Servo
Driver, X axis
Connect to Servo
Driver, Y axis
Two, 3.5 dia.
The pitch of the terminal block is 7.62 mm.
X/Y axis
Emergency
stop
X axis X axis X axis
X axis
CCW Origin
CW
proximity RUN
limit
limit
X axis
MING
X axis
Common Common Common External Common Common
interrupt
X axis X axis
ALM
BKIR
Y axis Y axis Y axis
Y axis
CW
CCW Origin
proximity RUN
limit
limit
Y axis
MING
Y axis
Common Common External Common Common
interrupt
X axis X axis
RESET ALMCOM
Y axis
ALM
Y axis Y axis
RESET ALMCOM
(See
note 1.)
24 VDC
Y axis
BKIR
(See
note 1.)
24 VDC
24 VDC
Note 1. The XB contact is used for ON/OFF of the electromagnetic brake.
Note 2. When operating only 1 axis, short the CW and CCW limit terminals for the unused axis to the
commons.
Note 3. Do not connect unused terminals.
Note 4. The 0-V terminal and the common terminals are connected internally.
Note 5. Use the following crimp terminals: R1.25-3 (round type, forked type).
6-10
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Chapter 6
Supplementary Materials
j XW2B-20J6-3B Relay Unit for CQM1-CPU43-V1, CQM1H-PLB21
Connect to CQM1
Connect to Servo Driver
Two, 3.5 dia.
The pitch of the terminal block is 7.62 mm.
(See
note 1.)
(See
note 1.)
CQM1 Input Unit
Common Common
(See note 3.)
24 VDC
(See note 2.)
24 VDC
Note 1. If these signals are input, it is possible to input CQM1 output pulses to a high-speed ring
counter.
Note 2. Input these output signals into the CQM1 Input Unit.
Note 3. The XB contact is used for ON/OFF of the electromagnetic brake.
Note 4. Open collector output is used for Z-phase output.
Note 5. Do not connect unused terminals.
Note 6. The 0-V terminal and the common terminals are connected internally.
Note 7. Use the following crimp terminals: R1.25-3 (round type, forked type).
6-11
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Chapter 6
Supplementary Materials
6-3
OMNUC U-Series Standard Models
j Non-conforming Models
D Servomotors
Straight
g shafts with
k
keys
Specification
Standard ((no
200 VAC
b k )
brake)
100 W
200 W
400 W
750 W
100 W
200 W
300 W
100 W
200 W
400 W
750 W
100 W
200 W
300 W
100 VAC
With brake
200 VAC
100 VAC
Model
R88M-UE10030H-S1
R88M-UE20030H-S1
R88M-UE40030H-S1
R88M-UE75030H-S1
R88M-UE10030L-S1
R88M-UE20030L-S1
R88M-UE30030L-S1
R88M-UE10030H-BS1
R88M-UE20030H-BS1
R88M-UE40030H-BS1
R88M-UE75030H-BS1
R88M-UE10030L-BS1
R88M-UE20030L-BS1
R88M-UE30030L-BS1
D Servo Drivers with Pulse-train Inputs
Pulse-train input
Specification
200 VAC
100 VAC
100 W
200 W
400 W
750 W
100 W
200 W
300 W
Model
R88D-UEP04H
R88D-UEP08H
R88D-UEP12H
R88D-UEP20H
R88D-UEP10L
R88D-UEP12L
R88D-UEP15L
D Parameter Unit
Specification
Handy type
Mounted type
Model
R88A-PR02U
R88A-PR03U
D Regeneration Unit
Specification
Regeneration processing current: 8 A
Model
R88A-RG08UA
D External Regeneration Resistor
Specification
Regeneration capacity: 70 W, 47 Ω
Model
R88A-RR22047S
6-12
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Chapter 6
Supplementary Materials
D Encoder Cables
Specification
Connectors at both ends
Cable only
Model
3m
R88A-CRU003C
5m
R88A-CRU005C
10 m
R88A-CRU010C
15 m
R88A-CRU015C
20 m
R88A-CRU020C
1-m units R88A-CRU001
D Power Cables
Specification
For standard
Connector at one
motors ((no b
brake)
k )
end
d
For motors with
b k
brakes
Connector at one
end
d
3m
5m
10 m
15 m
20 m
3m
5m
10 m
15 m
20 m
Model
R88A-CAU003S
R88A-CAU005S
R88A-CAU010S
R88A-CAU015S
R88A-CAU020S
R88A-CAU003B
R88A-CAU005B
R88A-CAU010B
R88A-CAU015B
R88A-CAU020B
D General-purpose Control Cables
Specification
For general-purpose
controllers,
controllers connector at one
end
1m
Model
R88A-CPU001S
2m
R88A-CPU002S
D Relay Units for Servo Motors
Specification
Connector Cable for Servo Driver
1m
2m
Relay Unit for C200H-NC112
Relay Unit for C200H-NC211
Relay Unit for CQM1-CPU43-V1 and CQM1H-PLB21
Connector Cable
C200H-NC112
0.5 m
f P
for
Position
ii
1m
Control Unit
C200H-NC211
0.5 m
C
NC
/
C500-NC113/211
1m
CQM1-CPU43-V1 0.5 m
CQM H PLB
CQM1H-PLB21
1m
C200HW-NC113
0.5 m
1m
C200HW-NC213
0.5 m
C
C200HW-NC413
HW NC
1m
Model
XW2Z-100J-B5
XW2Z-200J-B5
XW2B-20J6-1B
XW2B-40J6-2B
XW2B-20J6-3B
XW2Z-050J-A4
XW2Z-100J-A4
XW2Z-050J-A5
XW2Z-100J-A5
XW2Z-050J-A3
XW2Z-100J-A3
XW2Z-050J-A8
XW2Z-100J-A8
XW2Z-050J-A9
XW2Z-100J-A9
6-13
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Chapter 6
Supplementary Materials
D Connectors and Terminal Blocks
Specification
Control cable connector
Connector terminal block
Connection cable for
connector terminal
i l bl
block
k
Model
R88A-CNU01C
XW2B-40F5-P
R88A-CTU001N
R88A-CTU002N
1m
2m
D Front-surface Mounting Brackets
Specification
For the following Servo Drivers
200 VAC: 100 to 400 W
100 VAC: 100, 200 W
For the following Servo Drivers
200 VAC: 750 W
100 VAC: 300 W
Model
R88A-TK01U
R88A-TK02U
j Models Conforming to EC Directives
D Servomotors
Straight
g shafts with
k
keys
Specification
Standard ((no
200 VAC
b k )
brake)
100 W
200 W
400 W
750 W
100 W
200 W
300 W
100 W
200 W
400 W
750 W
100 W
200 W
300 W
100 VAC
With brake
200 VAC
100 VAC
Model
R88M-UE10030V-S1
R88M-UE20030V-S1
R88M-UE40030V-S1
R88M-UE75030V-S1
R88M-UE10030W-S1
R88M-UE20030W-S1
R88M-UE30030W-S1
R88M-UE10030V-BS1
R88M-UE20030V-BS1
R88M-UE40030V-BS1
R88M-UE75030V-BS1
R88M-UE10030W-BS1
R88M-UE20030W-BS1
R88M-UE30030W-BS1
D Servo Drivers with Pulse-train Inputs
Pulse-train inputs
Specification
200 VAC
100 VAC
100 W
200 W
400 W
750 W
100 W
200 W
300 W
Model
R88D-UEP04V
R88D-UEP08V
R88D-UEP12V
R88D-UEP20V
R88D-UEP10W
R88D-UEP12W
R88D-UEP15W
6-14
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Chapter 6
Supplementary Materials
D Parameter Units
Specification
Handy type
Mounted type
Model
R88A-PR02U
R88A-PR03U
D Encoder Cables
Specification
Connectors at both ends
Model
3m
R88A-CRUD003C
5m
R88A-CRUD005C
10 m
R88A-CRUD010C
15 m
R88A-CRUD015C
20 m
R88A-CRUD020C
1-m units R88A-CRU001
Cable only
D Power Cables (Cables Only)
Specification
For standard motor (no brake)
For motor with brake
Model
1-m units R88A-CAU001
1-m units R88A-CAU01B
D General-purpose Control Cables
Specification
For g
general-purpose controller,, 1 m
d
connector at one end
2m
6-4
Model
R88A-CPU001S
R88A-CPU002S
Parameter Setting Forms
j User Parameters
PRM
No.
Cn-04
Cn-05
Speed loop gain (see note 1)
Speed loop integration constant
Factory
setting
80
20
Cn-12
Cn-17
Cn-1A
Cn-1b
Brake timing
Torque command filter time constant
Position loop gain
Positioning completion range
0
4
40
3
Cn-24
Electronic gear ratio G1 (numerator)
(see note 2)
Electronic gear ratio G2 (denominator)
(see note 2)
Position command acceleration/deceleration time constant
Cn-25
Cn-26
Parameter name
Unit
Hz
ms
Setting
range
1 to 2,000
2 to 10,000
0 to 50
0 to 250
1 to 500
0 to 250
4
10 ms
100 µs
1/s
Command
units
---
1
---
1 to 65,535
0
× 0.1 ms
0 to 640
Setting
1 to 65,535
6-15
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Supplementary Materials
Chapter 6
Note 1. Cn-04 (speed loop gain) is factory-set for three times the load inertia. Therefore, if the load
inertia is extremely small, some oscillation may occur. If it does, then lower Cn-04 to 20 or
less.
Note 2. After the settings Cn-24 (Electronic gear ratio G1 (numerator)) or Cn-25 (Electronic gear ratio
G2 (denominator)) have been made, they become effective when the power is turned on
again after having been cut off. (Check to see that the LED display has gone off.)
6-16
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Chapter 6
Supplementary Materials
j Setup Parameters No. 1 (Cn-01)
Item
Bit No.
Sequence input
signal switching
0
3
Deviation
counter with
Servo OFF
Setting
0=
nally input).
1
2
Emergency stop
selection
Explanation
Factory Setting
setting
Servo turned ON or OFF by Run command (exter0
0
4
5
6
7
8
9
A
b
C
d
E
F
0
1
1
0
1
1
1
0
0
0
1
0
0
0
0
1
--0
1
0
1
--------0
Servo always ON.
1
Stops the motor using maximum torque for overtravel.
--0
Not used.
1
Does not clear the counter when the servo shuts off
or when an error occur.
-----------
Not used.
No used.
Enables forward drive prohibit input (POT).
1=0
2=
Permits always-forward drive.
Enables reverse drive prohibit input (NOT).
3=
Permits always -reverse drive.
Not used.
Not used.
Not used.
Not used.
Stops the motor using a dynamic brake for overtravel.
Clears the counter when the servo shuts off or when
an error occur.
Not used.
Not used.
Not used.
Not used.
4=0
5=1
6=1
7=1
8=
9=0
A=
b=1
C=0
d=0
E=0
F=0
Note 1. Do not change the setting of bits 1, 4 to 7, 9, and b to F of setup parameter no. 1 (Cn-01).
Note 2. These parameters become effective only after power is reset. Confirm that the indicators go
out before turning power back on. (Check to see that the LED display has gone off.)
6-17
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Chapter 6
Supplementary Materials
j Setup Parameters No. 2 (Cn-02)
Item
Reverse rotation mode
Command pulse mode
Deviation counter clear
Bit no.
Factory
setting
Setting
0
0
1
0
0
1
---
CCW direction is taken as forward rotation.
CCW direction is taken as reverse rotation.
No used.
2
0
---
Not used.
5,, 4,, 3
0,, 0,, 1
0, 0, 0
0, 0, 1
Feed pulse and Forward/reverse signal
Forward rotation pulse and Reverse rotation
pulse
90° phase difference (A/B phase) signal (1X)
90° phase difference (A/B phase) signal (2X)
90° phase difference (A/B phase) signal (4X)
Not used
Not used
6
0
0, 1, 0
0, 1, 1
1, 0, 0
---
7
0
---
8
0
---
9
0
---
A
1
0
Explanation
Setting
0=
1=0
2=0
3=
4=
5=
6=0
7=0
Not used
8=0
Not used
9=0
Clears the deviation counter when the signal is A =
high level
Torque
q command filter
time
i
constant
Parameter Unit monitor
h
output llever change
1
Clears the deviation counter on the rising edge
of the signal
b
0
---
Not used.
C
0
d
0
0
1
---
Primary filter
Secondary filter
Not used.
E
0
0
1
Position deviation monitor set for 1 command.
Position deviation monitor set for 100 command.
F
0
---
Not used
b=0
C=
d=0
E=
F=0
Note 1. Do not change the settings of bits 1, 2, 6 to 9, b, d, and F of setup parameter no. 2 (Cn-02).
Note 2. These parameters become effective only after power is reset. Confirm that the indicators go
out before turning power back on. (Check to see that the LED display has gone off.)
6-18
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