SMARTSTEP A SERIES
R7M-A@ (Servomotors)
R7D-AP@ (Servo Drivers)
Servomotors/Servo Drivers
USER’S MANUAL
Thank you for choosing this SMARTSTEP A-series product. Proper use and handling
of the product will ensure proper product performance, will lengthen product life, and
may prevent possible accidents.
Please read this manual thoroughly and handle and operate the product with care.
Please keep this manual handy for reference after reading it.
1.To ensure safe and proper use of the OMRON Inverters, please read this USER'S MANUAL (Cat. No.
I533-E1) to gain sufficient knowledge of the devices, safety information, and precautions before actual
use.
2.The products are illustrated without covers and shieldings for closer look in this USER'S MANUAL. For
actual use of the products, make sure to use the covers and shieldings as specified.
3.This USER'S MANUAL and other related user's manuals are to be delivered to the actual end users of the
products.
4.Please keep this manual close at hand for future reference.
5.If the product has been left unused for a long time, please inquire at our sales representative.
NOTICE
1.This manual describes information about installation, wiring, switch setting, and troubleshooting of the
SMARTSTEP A-series Servomotors and Servo Drivers. For information about actual operating procedures using a Parameter Unit, refer to the SMARTSTEP A Series Operation Manual (I534).
2.Be sure that this manual accompanies the product to its final user.
3.Although care has been given in documenting the product, please contact your OMRON representative
if you have any suggestions on improving this manual.
4.Assume that anything not specifically described in this manual is not possible.
5.Do not allow the Servomotor or Servo Driver to be wired, set, or operated (from a Parameter Unit) by
anyone that is not a profession electrical engineer or the equivalent.
6.We recommend that you add the following precautions to any instruction manuals you prepare for the
system into which the product is being installed.
• Precautions on the dangers of high-voltage equipment.
• 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.)
7.Specifications and functions may be changed without notice in order to improve product performance.
8.Positive and negative rotation of AC Servomotors described in this manual are defined as looking at the
end of the output shaft of the motor as follows: Counterclockwise rotation is positive and clockwise rotation is negative.
9.Do not perform withstand-voltage or other megameter tests on the product. Doing so may damage internal components.
10.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.
11.Do not set values for any parameters not described in this manual. Operating errors may result. Consult
your OMRON representative if you have questions.
12.Before using the product under conditions which are not described in the manual or applying the product
to nuclear control systems, railroad systems, aviation systems, vehicles, combustion systems, medical
equipment, amusement machines, safety equipment, and other systems, machines, and equipment that
may have a serious influence on lives and property if used improperly, consult your OMRON representative.
Items to Check Before Unpacking
1.Check the following items before removing the product from the package:
• Has the correct product been delivered (i.e., the correct model number and specifications)?
• Has the product been damaged in shipping?
2.Check that the following accessories have been delivered.
• Safety Precautions
No connectors or mounting screws are provided. Obtain these separately.
USER’S MANUAL
SMARTSTEP ASERIES
MODELS R7M-A@ (Servomotors)
R7D-AP@ (Servo Drivers)
Servomotors/Servo Drivers
Notice:
r
f
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 property.
!DANGER Indicates an imminently hazardous situation which, if not avoided, will result in
death or serious injury. Additionally, there may be severe property damage.
!WARNINGIndicates a potentially hazardous situation which, if not avoided, could result in
death or serious injury. Additionally, there may be severe property damage.
!CautionIndicates a potentially hazardous situation which, if not avoided, may result in
minor or moderate injury, or property damage.
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, 2001
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system, or transmitted, in any form, o
by any means, mechanical, electronic, photocopying, recording, or otherwise, without the prior written permission o
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.
General Warnings
Observe the following warnings when using the SMARTSTEP Servomotor and Servo Driver and all
connected or peripheral devices.
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.
!WARNINGAlways connect the frame ground terminals of the Servo Driver and the Servomo-
tor to a class-3 ground (to 100
result in electric shock.
!WARNINGDo not touch the inside of the Servo Driver. Doing so may result in electric shock.
!WARNINGDo not remove the front cover, terminal covers, cables, or optional items while the
power is being supplied. Doing so may result in electric shock.
!WARNINGInstallation, operation, maintenance, or inspection must be performed by autho-
rized personnel. Not doing so may result in electric shock or injury.
Ω or less). Not connecting to a class-3 ground may
!WARNINGWiring or inspection must not be performed for at least five minutes after turning
OFF the power supply. Doing so may result in electric shock.
!WARNINGDo not damage, press, or put excessive stress or heavy objects on the cables.
Doing so may result in electric shock.
!WARNINGDo not touch the rotating parts of the Servomotor in operation. Doing so may
result in injury.
!WARNINGDo not modify the product. Doing so may result in injury or damage to the product.
!WARNINGProvide a stopping mechanism on the machine to ensure safety. The holding
brake is not designed as a stopping mechanism for safety purposes.
!WARNINGProvide an external emergency stopping mechanism that can stop operation and
shutting off the power supply immediately. Not doing so may result in injury.
!WARNINGDo not come close to the machine immediately after resetting momentary power
interruption to avoid an unexpected restart. (Take appropriate measures to secure
safety against an unexpected restart.) Doing so may result in injury.
!CautionUse the Servomotors and Servo Drivers in a specified combination. Using them
incorrectly may result in fire or damage to the products.
!CautionDo not store or install the product in the following places. Doing so may result in
fire, electric shock, or damage to the product.
• Locations subject to direct sunlight.
• Locations subject to temperatures or humidity outside the range specified in the
specifications.
• Locations subject to condensation as the result of severe changes in temperature.
• Locations subject to corrosive or flammable gases.
• Locations subject to dust (especially iron dust) or salts.
• Locations subject to shock or vibration.
• Locations subject to exposure to water, oil, or chemicals.
!CautionDo not touch the Servo Driver radiator, Servo Driver regeneration resistor, or Ser-
vomotor while the power is being supplied or soon after the power is turned OFF.
Doing so may result in a skin burn due to the hot surface.
Storage and Transportation Precautions
!CautionDo not hold the product by the cables or motor shaft while transporting it. Doing so
may result in injury or malfunction.
!CautionDo not place any load exceeding the figure indicated on the product. Doing so
may result in injury or malfunction.
Installation and Wiring Precautions
!CautionDo not step on or place a heavy object on the product. Doing so may result in
injury.
!CautionDo not cover the inlet or outlet ports and prevent any foreign objects from entering
the product. Doing so may result in fire.
!CautionBe sure to install the product in the correct direction. Not doing so may result in
malfunction.
!CautionProvide the specified clearances between the Servo Driver and the control panel
or with other devices. Not doing so may result in fire or malfunction.
!CautionDo not apply any strong impact. Doing so may result in malfunction.
!CautionBe sure to wire correctly and securely. Not doing so may result in motor runaway,
injury, or malfunction.
!CautionBe sure that all the mounting screws, terminal screws, and cable connector
screws are tightened to the torque specified in the relevant manuals. Incorrect
tightening torque may result in malfunction.
!CautionUse crimp terminals for wiring. Do not connect bare stranded wires directly to ter-
minals. Connection of bare stranded wires may result in burning.
!CautionAlways use the power supply voltage specified in the User’s Manual. An incorrect
voltage may result in malfunction or burning.
!CautionTake appropriate measures to ensure that the specified power with the rated volt-
age and frequency is supplied. Be particularly careful in places where the power
supply is unstable. An incorrect power supply may result in malfunction.
!CautionInstall external breakers and take other safety measures against short-circuiting in
external wiring. Insufficient safety measures against short-circuiting may result in
burning.
!CautionTake appropriate and sufficient countermeasures when installing systems in the
following locations. Failure to do so may result in damage to the product.
• Locations subject to static electricity or other forms of noise.
• Locations subject to strong electromagnetic fields and magnetic fields.
• Locations subject to possible exposure to radioactivity.
• Locations close to power supplies.
Operation and Adjustment Precautions
!CautionConfirm that no adverse effects will occur in the system before performing the test
operation. Not doing so may result in equipment damage.
!CautionCheck the newly set parameters and switches for proper execution before actually
running them. Not doing so may result in equipment damage.
!CautionDo not make any extreme adjustments or setting changes. Doing so may result in
unstable operation and injury.
!CautionSeparate the Servomotor from the machine, check for proper operation, and then
connect to the machine. Not doing so may cause injury.
!CautionWhen an alarm occurs, remove the cause, reset the alarm after confirming safety,
and then resume operation. Not doing so may result in injury.
!CautionDo not use the built-in brake of the Servomotor for ordinary braking. Doing so may
result in malfunction.
Maintenance and Inspection Precautions
!WARNINGDo not attempt to disassemble, repair, or modify any Units. Any attempt to do so
may result in malfunction, fire, or electric shock.
!CautionResume operation only after transferring to the new Unit the contents of the data
required for operation. Not doing so may result in an unexpected operation.
Warning Labels
Warning labels are pasted on the product as shown in the following illustration. Be sure to follow the
instructions given there.
Warning label
Example from R7D-AP01L
Example from R7D-AP01L
Read and Understand this Manual
Please read and understand this manual before using the product. Please consult your OMRON
representative if you have any questions or comments.
Warranty and Limitations of Liability
WARRANTY
OMRON's exclusive warranty is that the products are free from defects in materials and workmanship for a
period of one year (or other period if specified) from date of sale by OMRON.
OMRON MAKES NO WARRANTY OR REPRESENTATION, EXPRESS OR IMPLIED, REGARDING NONINFRINGEMENT, MERCHANTABILITY, OR FITNESS FOR PARTICULAR PURPOSE OF THE
PRODUCTS. ANY BUYER OR USER ACKNOWLEDGES THAT THE BUYER OR USER ALONE HAS
DETERMINED THAT THE PRODUCTS WILL SUITABLY MEET THE REQUIREMENTS OF THEIR
INTENDED USE. OMRON DISCLAIMS ALL OTHER WARRANTIES, EXPRESS OR IMPLIED.
LIMITATIONS OF LIABILITY
OMRON SHALL NOT BE RESPONSIBLE FOR SPECIAL, INDIRECT, OR CONSEQUENTIAL DAMAGES,
LOSS OF PROFITS OR COMMERCIAL LOSS IN ANY WAY CONNECTED WITH THE PRODUCTS,
WHETHER SUCH CLAIM IS BASED ON CONTRACT, WARRANTY, NEGLIGENCE, OR STRICT
LIABILITY.
In no event shall the responsibility of OMRON for any act exceed the individual price of the product on which
liability is asserted.
IN NO EVENT SHALL OMRON BE RESPONSIBLE FOR WARRANTY, REPAIR, OR OTHER CLAIMS
REGARDING THE PRODUCTS UNLESS OMRON'S ANALYSIS CONFIRMS THAT THE PRODUCTS
WERE PROPERLY HANDLED, STORED, INSTALLED, AND MAINTAINED AND NOT SUBJECT TO
CONTAMINATION, ABUSE, MISUSE, OR INAPPROPRIATE MODIFICATION OR REPAIR.
Application Considerations
SUITABILITY FOR USE
OMRON shall not be responsible for conformity with any standards, codes, or regulations that apply to the
combination of products in the customer's application or use of the products.
At the customer's request, OMRON will provide applicable third party certification documents identifying
ratings and limitations of use that apply to the products. This information by itself is not sufficient for a
complete determination of the suitability of the products in combination with the end product, machine,
system, or other application or use.
The following are some examples of applications for which particular attention must be given. This is not
intended to be an exhaustive list of all possible uses of the products, nor is it intended to imply that the uses
listed may be suitable for the products:
• Outdoor use, uses involving potential chemical contamination or electrical interference, or conditions or
uses not described in this manual.
• Nuclear energy control systems, combustion systems, railroad systems, aviation systems, medical
equipment, amusement machines, vehicles, safety equipment, and installations subject to separate
industry or government regulations.
• Systems, machines, and equipment that could present a risk to life or property.
Please know and observe all prohibitions of use applicable to the products.
NEVER USE THE PRODUCTS FOR AN APPLICATION INVOLVING SERIOUS RISK TO LIFE OR
PROPERTY WITHOUT ENSURING THAT THE SYSTEM AS A WHOLE HAS BEEN DESIGNED TO
ADDRESS THE RISKS, AND THAT THE OMRON PRODUCTS ARE PROPERLY RATED AND
INSTALLED FOR THE INTENDED USE WITHIN THE OVERALL EQUIPMENT OR SYSTEM.
PROGRAMMABLE PRODUCTS
OMRON shall not be responsible for the user's programming of a programmable product, or any
consequence thereof.
Disclaimers
CHANGE IN SPECIFICATIONS
Product specifications and accessories may be changed at any time based on improvements and other
reasons.
It is our practice to change model numbers when published ratings or features are changed, or when
significant construction changes are made. However, some specifications of the products may be changed
without any notice. When in doubt, special model numbers may be assigned to fix or establish key
specifications for your application on your request. Please consult with your OMRON representative at any
time to confirm actual specifications of purchased products.
DIMENSIONS AND WEIGHTS
Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when
tolerances are shown.
PERFORMANCE DATA
Performance data given in this manual is provided as a guide for the user in determining suitability and does
not constitute a warranty. It may represent the result of OMRON's test conditions, and the users must
correlate it to actual application requirements. Actual performance is subject to the OMRON Warranty and
Limitations of Liability.
ERRORS AND OMISSIONS
The information in this manual has been carefully checked and is believed to be accurate; however, no
responsibility is assumed for clerical, typographical, or proofreading errors, or omissions.
The SMARTSTEP A-series Servomotors and Servo Drivers have been developed as pulse string
input-type Position Controllers to replace stepping motors in simple positioning systems. The
SMARTSTEP A-series Servomotors and Servo Drivers combine the stepping motor’s ease of use
with faster positioning resulting from high speed and high torque, higher reliability with no loss of
positioning accuracy even during sudden load changes, and other advanced features.
■ Faster Response and Rotation Speed
SMARTSTEP A-series Servomotors and Servo Drivers incorporate the same high-speed and hightorque features, unachievable with stepping motors, as the OMNUC W Series. The SMARTSTEP Aseries Servomotors provide faster rotation speeds of up to 4,500 r/min, with constant operation possible at this speed. Faster output torque of up to 1 s can output up to approximately 300% of the
rated torque, providing even faster middle- and long-stroke positioning.
■ Constant Accuracy
The A-series product line’s higher encoder resolution of 2,000 pulses/rotation provides feedback
control enabling continuous operation without loss of positioning accuracy, even with sudden load
changes or sudden acceleration or deceleration.
■ Minimal Setting with Servo Driver Front Panel Switches
The SMARTSTEP A Series can be operated immediately without time-consuming parameter setting.
The A-series Servo Drivers’ front panel switches enable easier alteration of function or positioning
resolution settings.
● Resolution Settings
SMARTSTEP A-series Servomotor resolution can be selected from the following four levels:
500 pulses/rotation (0.72
rotation (0.072
● Command Pulse Input Setting
SMARTSTEP A-series command pulse input setting can be switched between CW/CCW (2-pulse)
and SIGN/PULS (single-pulse) methods to easily adapt to Position Controller output specifications.
● Dynamic Brake Setting
SMARTSTEP A-series Servomotors can be forcibly decelerated to a stop at RUN OFF or when
an alarm occurs.
A special rotary switch on SMARSTEP A-series Servo Drivers enables easy gain setting. Online
autotuning can also be activated with the flick of a switch, and responsiveness can be easily
matched to the machinery to be used.
1-2
Introduction
Note Using aParameter Unit or personal computer enables operation with parameter settings.
■ Cylinder-style and Flat-style Servomotors
The SMARTSTEP A Series offers Flanged Cylinder-style Servomotors, with a smaller mounting
area, and Flat-style Servomotors, with a shorter overall length. The Flat Servomotor depth dimensions are approximately the same as those of stepping motors of the same output capacity. Servomotors can be selected by size, thereby making equipment more compact.
■ A Wider Selection of Programming Devices
Special SMARTSTEP A-series Parameter Units and personal computer monitoring software are
available. The special monitoring software enables performing parameter setting, speed and current
monitoring, speed and current waveform displays, I/O monitoring, autotuning, jogging, and other
operations from a computer. It is also possible to perform multiple-axis communications that set the
parameters and monitor operations for multiple Servo Drivers. For details, refer to the Servo Driver
Personal Computer Monitor Software (CD-ROM) for Windows 95/98, Version 2.0 (WMON Win
Ver.2.0) (Catalog No.: SBCE-011).
Chapter 1
1-3
Introduction
SCROLL
MODE/SET
DATA
JOG
RUN
DRIVER PR
PR DRIVER
READ
WRITE
B.B
INP
VCMP
TGON
REF
POWER
1-2System Configuration
SYSMAC + Position Control Unit with pulse string output
N
C
4
1
3
R
U
N
X
E
R
R
O
R
Y
S
E
N
S
Z
D
A
T
A
U
M
A
C
H
IN
E
N
o
.
C
N
1
C
N
2
B
2
4
A
2
4
B
1
A
1
SYSMAC CJ/CS/C/CV
Programmable Controller
SYSMAC Programmable Controllers with pulse outputs
Position Control Units
CJ1W-NC113/213/413
CJ1W-NC133/233/433
CS1W-NC113/213/413
CS1W-NC133/233/433
C200HW-NC113/213/413
C500-NC113/211
Pulse String
Chapter 1
B.B
INP
TGON
REF
SCROLL
MODE/SET
DATA
WRITE
PR DRIVER
POWER
VCMP
R7A–PR02A PARAMETER UNIT
RESET
JOG
RUN
READ
DRIVER PR
R7A-PR02A Parameter Unit
(Hand-held)
SYSMAC CPM2A
P
A
20
3
P
O
W
E
R
SYSMAC CPM2C
/
SYSMAC CQM1H
Single-shaft Positioner with pulse string output
N
E
P
M
S
N
S
3
F
8
M
0
1
A
X
M
1
M
2
3
2
4
1
5
0
N
A
6
9
7
8
×
1
0
3
2
4
1
5
0
6
9
7
8
×
1
123
ON↓
DR0
DR1
L/R
3F88M-DRT141 Single-shaft
Positioner for DeviceNet
O
N
E
P
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.
O
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IN
L
8
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-
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IN
R
L
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W
IS
1
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4
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1
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IT
IO
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W
C
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ALARM
LS
IT
M2
IM
L
T
M1
F
G
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N
S
H
R
M0
S
M
G
L
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:
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UNICATIO
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R
(
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CO
SPEED
s
p
b
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k
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5
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2
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1
W
1
S
R
P
I
D
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250kbps
F
F
0
O
R
D
500kbps
F
F
−
F
O
F
O
ON
ON
LOCAL/REMOTE
ON
OFF
E
H
D
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T
O
I
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W
M
S
REMOTE MODE
L
P
A
I
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D
/R
LO
L
F
F
O
N
O
I/O
SMARTSTEP A-series
R7D-AP@ Servo Driver
SMARTSTEP A-series
R7M-A@ Servomotor
1-4
Introduction
1-3Servo Driver Nomenclature
Main-circuit power supply
indicator
Main-circuit power
supply input terminals
Chapter 1
Rotary switch for unit No. selection
Rotary switch for gain adjustment
Function selection switches:
• Switch/parameter setting enable switch
• Resolution setting
• Command pulse input setting
• Dynamic braking setting
• Online autotuning switch
Alarm display
Control-circuit power supply indicator
Communications connector (CN3)
DC reactor connection terminals
Control-circuit power supply
input terminals
External regeneration
resistance terminals
Servomotor power terminals
FG terminals for power supply and
servomotor power
Monitor output connector (CN4)
Control I/O connector (CN1)
Encoder input connector (CN2)
1-5
Introduction
Chapter 1
1-4Applicable Standards
■ EC Directives
EC DirectivesProductApplicable standardsRemarks
Low Voltage
Directive
EMC Directives AC Servo Drivers and
Note Installation under the conditions stipulated in 3-2-5 EMC-compatible Wiring must be met to
ensure conformance to EMC Directives.
AC Servo DriversEN50178Safety requirements for electrical
devices for measurement, control,
and research facilities
AC ServomotorsIEC60034-1, -5, -8, -9
EN60034-1, -9
EN55011 class A group 1Wireless interference and measure-
AC Servomotors
EN61000-6-2Electromagnetic compatibility and
Rotating electrical equipment
ment methods for radio-frequency
devices for industry, science, and
medical application
For Servomotors without brakes
(both Cylinder- and
Flat-style)
For Servomotors with
brakes (both
Cylinderand Flatstyle)
3 mR88A-CAWA003SR88A-CAWA003SR
5 mR88A-CAWA005SR88A-CAWA005SR
10 m R88A-CAWA010SR88A-CAWA010SR
15 m R88A-CAWA015SR88A-CAWA015SR
20 m R88A-CAWA020SR88A-CAWA020SR
3 mR88A-CAWA003BR88A-CAWA003BR
5 mR88A-CAWA005BR88A-CAWA005BR
10 m R88A-CAWA010BR88A-CAWA010BR
15 m R88A-CAWA015BR88A-CAWA015BR
20 m R88A-CAWA020BR88A-CAWA020BR
model
Robot cable
model
● Encoder Cables
SpecificationsStandard cable
For Servomotors (Cylinder-style or
Flat-style)
3 mR7A-CRA003CR7A-CRA003CR
5 mR7A-CRA005CR7A-CRA005CR
10 m R7A-CRA010CR7A-CRA010CR
15 m R7A-CRA015CR7A-CRA015CR
20 m R7A-CRA020CR7A-CRA020CR
model
Robot cable
model
Note Use a robot cable if cable flexibility is required.
2-4
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