Omron SYSDRIVE 3G3JV User guide

SETUP MANUAL
SYSDRIVE 3G3JV
Compact Simplified Inverters
Cat. No. I546-E1-02
0675398-6B

Thank you for choosing this SYSDRIVE 3G3JV-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.
1. To ensure safe and proper use of the OMRON Inverters, please read this SETUP
MANUAL and the USER’S MANUAL (Cat. No. I528-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 SET-
UP MANUAL and the USER’S MANUAL. For actual use of the products, make sure to
use the covers and shieldings as specified.
3. This SETUP MANUAL and other related user’s manuals are to be delivered to the ac-
tual 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 repre-
sentative.
NOTICE
1. This manual describes the functions of the product and relations with other
products. You should assume that anything not described in this manual is
not possible.
2. Although care has been given in documenting the product, please contact your
OMRON representative if you have any suggestions on improving this manual.
3. The product contains potentially dangerous parts under the cover. Do not attempt
to open the cover under any circumstances. Doing so may result in injury or death
and may damage the product. Never attempt to repair or disassemble the product.
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.
SPrecautions on the dangers of high-voltage equipment.
SPrecautions 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. Specifications and functions may be changed without notice in order to improve
product performance.
Items to Check Before Unpacking
Check the following items before removing the product from the package:
SHas the correct product been delivered (i.e., the correct model number and speci-
fications)?
SHas the product been damaged in shipping?
SAre any screws or bolts loose?

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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. Al-
ways heed the information provided with them. Failure to heed precautions can result in inju-
ry 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.
WARNING Indicates a potentially hazardous situation which, if not avoided, could result in death
or serious injury. Additionally, there may be severe property damage.
Caution Indicates 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, 2005
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. Never-
theless, OMRON assumes no responsibility for errors or omissions. Neither is any liability assumed for dam-
ages resulting from the use of the information contained in this publication.

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
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WARRANTY
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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
NON-INFRINGEMENT, 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.
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LIMITATIONS OF LIABILITY
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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
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SUITABILITY FOR USE
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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.
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PROGRAMMABLE PRODUCTS
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OMRON shall not be responsible for the user’s programming of a programmable product, or any
consequence thereof.

Disclaimers
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CHANGE IN SPECIFICATIONS
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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.
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DIMENSIONS AND WEIGHTS
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Dimensions and weights are nominal and are not to be used for manufacturing purposes, even when
tolerances are shown.
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PERFORMANCE DATA
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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.
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ERRORS AND OMISSIONS
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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.

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General Precautions
Observe the following precautions when using the SYSDRIVE Inverters and peripheral de-
vices.
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 inside of the Inverter. Doing so may result in electrical shock.
WARNING Operation, maintenance, or inspection must be performed after turning OFF the
power supply, confirming that the CHARGE indicator (or status indicators) are OFF,
and after waiting for the time specified on the front cover. Not doing so may result in
electrical shock.
WARNING Do not damage, pull on, apply stress to, place heavy objects on, or pinch the cables.
Doing so may result in electrical shock.
WARNING Do not touch the rotating parts of the motor under operation. Doing so may result in
injury.
WARNING Do not modify the product. Doing so may result in injury or damage to the product.
Caution Do not store, install, or operate the product in the following places. Doing so may
result in electrical shock, fire or damage to the product.
SLocations subject to direct sunlight.
SLocations subject to temperatures or humidity outside the range specified in the
specifications.
SLocations subject to condensation as the result of severe changes in temperature.
SLocations subject to corrosive or flammable gases.
SLocations subject to exposure to combustibles.
SLocations subject to dust (especially iron dust) or salts.
SLocations subject to exposure to water, oil, or chemicals.
SLocations subject to shock or vibration.
Caution Do not touch the Inverter radiator, regenerative resistor, or Servomotor 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.
Caution Do not conduct a dielectric strength test on any part of the Inverter. Doing so may
result in damage to the product or malfunction.
Caution Take appropriate and sufficient countermeasures when installing systems in the fol-
lowing locations. Not doing so may result in equipment damage.
SLocations subject to static electricity or other forms of noise.
SLocations subject to strong electromagnetic fields and magnetic fields.
SLocations subject to possible exposure to radioactivity.
SLocations close to power supplies.

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Transportation Precautions
Caution Do not hold by front cover or panel, instead, hold by the radiation fin (heat sink) while
transporting the product. Doing so may result in injury.
Caution Do not pull on the cables. Doing so may result in damage to the product or malfunc-
tion.
Caution Use the eye-bolts only for transporting the Inverter. Using them for transporting the
machinery may result in injury or malfunction.
Installation Precautions
WARNING Provide an appropriate stopping device on the machine side to secure safety. (A
holding brake is not a stopping device for securing safety.) Not doing so may result in
injury.
WARNING Provide an external emergency stopping device that allows an instantaneous stop of
operation and power interruption. Not doing so may result in injury.
Caution Be sure to install the product in the correct direction and provide specified clear-
ances between the Inverter and control panel or with other devices. Not doing so
may result in fire or malfunction.
Caution Do not allow foreign objects to enter inside the product. Doing so may result in fire or
malfunction.
Caution Do not apply any strong impact. Doing so may result in damage to the product or
malfunction.
Wiring Precautions
WARNING Wiring must be performed only after confirming that the power supply has been
turned OFF. Not doing so may result in electrical shock.
WARNING Wiring must be performed by authorized personnel. Not doing so may result in
electrical shock or fire.
WARNING Be sure to confirm operation only after wiring the emergency stop circuit. Not doing
so may result in injury.
WARNING Always connect the ground terminals to a ground of 100 Ωor less. Not connecting to
a proper ground may result in electrical shock.

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Caution Install external breakers and take other safety measures against short-circuiting in
external wiring. Not doing so may result in fire.
Caution Confirm that the rated input voltage of the Inverter is the same as the AC power sup-
ply voltage. An incorrect power supply may result in fire, injury, or malfunction.
Caution Connect the Braking Resistor and Braking Resistor Unit as specified in the manual.
Not doing so may result in fire.
Caution Be sure to wire correctly and securely. Not doing so may result in injury or damage to
the product.
Caution Be sure to firmly tighten the screws on the terminal block. Not doing so may result in
fire, injury, or damage to the product.
Caution Do not connect an AC power to the U, V, or W output. Doing so may result in damage
to the product or malfunction.
Caution Set the multi-function contact input parameter for NC contact terminals (e.g., 3-wire
sequence) before wiring them. If the parameter’s default setting is used, the motor
may start running when the input terminal S2 is turned ON.
Operation and Adjustment Precautions
WARNING Turn ON the input power supply only after mounting the front cover, terminal covers,
bottom cover, Operator, and optional items. Not doing so may result in electrical
shock.
WARNING Do not remove the front cover, terminal covers, bottom cover, Operator, or optional
items while the power is being supplied. Doing so may result in electrical shock or
damage to the product.
WARNING Do not operate the Operator or switches with wet hands. Doing so may result in
electrical shock.
WARNING Do not touch the inside of the Inverter. Doing so may result in electrical shock.
WARNING Do not come close to the machine when using the error retry function because the
machine may abruptly start when stopped by an alarm. Doing so may result in injury.
WARNING Do not come close to the machine immediately after resetting momentary power
interruption to avoid an unexpected restart (if operation is set to be continued in the
processing selection function after momentary power interruption is reset). Doing so
may result in injury.

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WARNING Provide a separate emergency stop switch because the STOP Key on the Operator
is valid only when function settings are performed. Not doing so may result in injury.
WARNING Be sure to confirm that the RUN signal is turned OFF before turning ON the power
supply, resetting the alarm, or switching the LOCAL/REMOTE selector. Doing so
while the RUN signal is turned ON may result in injury.
Caution Be sure to confirm permissible ranges of motors and machines before operation be-
cause the Inverter speed can be easily changed from low to high. Not doing so may
result in damage to the product.
Caution Provide a separate holding brake when necessary. Not doing so may result in injury.
Caution Do not perform a signal check during operation. Doing so may result in injury or dam-
age to the product.
Caution Do not carelessly change settings. Doing so may result in injury or damage to the
product.
Maintenance and Inspection Precautions
WARNING Do not touch the Inverter terminals while the power is being supplied.
WARNING Maintenance or inspection must be performed only after turning OFF the power
supply, confirming that the CHARGE indicator (or status indicators) is turned OFF,
and after waiting for the time specified on the front cover. Not doing so may result in
electrical shock.
WARNING Maintenance, inspection, or parts replacement must be performed by authorized
personnel. Not doing so may result in electrical shock or injury.
WARNING Do not attempt to take the Unit apart or repair. Doing either of these may result in
electrical shock or injury.
Caution Carefully handle the Inverter because it uses semiconductor elements. Careless
handling may result in malfunction.
Caution Do not change wiring, disconnect connectors, the Operator, or optional items, or re-
place fans while power is being supplied. Doing so may result in injury, damage to
the product, or malfunction.

Warnings for UL/cUL Marking
•Do not connect or disconnect wiring, or perform signal checks while the power supply is turned ON.
•The Inverter internal capacitor is still charged even after the power supply is turned OFF. To prevent
electrical shock, disconnect all power before servicing the Inverter. Then wait at least one minute after
the power supply is disconnected and all indicators are OFF.
•Do not perform a withstand voltage test on any part of the Inverter. This electronic equipment uses
semiconductors and is vulnerable to high voltage.
•Do not remove the Digital Operator or the blank cover unless the power supply is turned OFF. Never
touch the printed control board (PCB) while the power supply is turned ON.
•The Inverter is not suitable for use on a circuit capable of delivering more than 5,000 RMS symmetrical
amperes, 250 volts maximum (100-V-class Units).
•Take measures against overcurrent, overload, and overheating by using the Motor Protection Set-
tings.
CAUTION
Use 75°C copper wires or equivalent.
Low voltage wires shall be wired with Class I Wiring.
HMotor Protection Settings
Rated Motor Current (n32)
•Set the rated motor current (n32) in order to prevent the motor from burning due to overloading.
•Check the rated current on the motor nameplate and set the parameter.
•This parameter is used for the electronic thermal function for motor overload detection (OL1). By set-
ting the correct parameter, the overloaded motor will be protected from burning.
n32 Rated Motor Current Changes during
operation
No
Setting
range
0.0% to 120% (A) of rated
output current of Inverter
Unit of
setting
0.1 A Default setting (see note 1)
Note 1. The standard rated current of the maximum applicable motor is the default rated motor cur-
rent.
Note 2. Motor overload detection (OL1) is disabled by setting the parameter to 0.0.
Motor Protection Characteristics (n33 and n34)
•This parameters setting is for motor overload detection (OL1).
n33 Motor Protection Characteristic Selection Changes during
operation
No
Setting
range
0 to 2 Unit of
setting
1Default setting 0
DSet Values
Value Description
0Protection characteristics for general-purpose induction motors
1Protection characteristics for Inverter-dedicated motors
2No protection

•This parameter is used to set the electric thermal characteristics of the motor to be connected.
•Set the parameter according to the motor.
•If a single Inverter is connected to more than one motor, set the parameter to 2 for no protection. The
parameter is also disabled by setting n32 for rated motor current to 0.0. Provide thermal relays or other
methods separately for each motor to protect equipment from overloads.
n34 Motor Protection Time Changes during
operation
No
Setting
range
1 to 60 (min) Unit of
setting
1 min Default setting 8
DSet Values
•This parameter is used to set the electronic thermal protection constant of motor overload detection
OL1.
•The default setting does not need any changes in normal operation.
•To set the parameter according to the characteristics of the motor, confirm the thermal time constant
with the motor manufacturer and set the parameter with some margin. In other words, set the value a
little shorter than the thermal time constant.
•To detect motor overloading more quickly, reduce the set value, provided that it does not cause any
application problems.

Checking Before Unpacking
HChecking the Product
On delivery, always check that the delivered product is the SYSDRIVE 3G3JV Inverter that you ordered.
Should you find any problems with the product, immediately contact your nearest local sales
representative.
DChecking the Nameplate
Inverter model
Input specifications
Output specifications
3G3JV-A1001
AC3PH 100-115V 3.2A
DChecking the Model
3G3JV-A1001
Maximum applicable motor capacity
Voltage class
Installation type
Series name: 3G3JV Series
Maximum Applicable Motor Capacity
001 0.1 (0.1) kW
002 0.25/0.37 (0.2) kW
Note The figures in parentheses indicate capacities for motors used outside Japan.
Voltage Class
1Single-phase 100-V AC input (100-V class)
Note The output is 3-phase 200 V AC.
Installation Type
APanel-mounting models (IP10 min.) or
Closed wall mounting
DChecking for Damage
Check the overall appearance and check for damage or scratches resulting from transportation.
HChecking the Accessories
This manual is the only accessory provided with the 3G3JV. Set screws and other necessary parts must
be provided by the user.

Table of Contents
Chapter 1. Design 1-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1 Installation 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-1 Dimensions 1-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1-2 Removing and Mounting the Covers 1-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Wiring 1-6................................................................. . . .
1-2-1 Terminal Block 1-6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2-2 Standard Connections 1-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2-3 Wiring around the Main Circuit 1-11. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2-4 Optional Accessories 1-12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Specifications 1-13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 2. Preparing for Operation and Monitoring 2-1. . . . . . . . . . . . .
2-1 Using the Digital Operator 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1-1 Nomenclature 2-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1-2 Accepting Operation Commands While Changing Parameters 2-4. . . . . . . . . . . . . . . . . .
2-1-3 Outline of Operation 2-5. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Copying and Verifying Parameters 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-1 Parameters Used to Copy and Verify Parameters 2-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-2 Outline of Copying Parameters 2-9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-3 Procedures 2-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2-4 Error Messages for Copying and Verifying Parameters 2-12. . . . . . . . . . . . . . . . . . . . . . . .
Chapter 3. List of Parameters 3-1. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Chapter 4. Maintenance Operations 4-1. . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Protective and Diagnostic Functions 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-1 Fault Detection (Fatal Error) 4-2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-2 Warning Detection (Nonfatal Error) 4-7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-2 Inspection and Maintenance 4-10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

Chapter 1
Design
1-1 Installation
1-2 Wiring
1-3 Specifications
1

1-2
1-1 Installation
1-1-1 Dimensions
D3G3JV-A1001, -A1002 (0.1 to 0.2 kW) Single-phase 100-V AC Input
t
Rated voltage Model 3G3JV- Dimensions (mm) Weight (kg)
g
D t
g(g)
Single-phase 100 V AC A1001 80 3 Approx. 0.5
gp
A1002 112 5Approx. 0.8
HInstallation Direction and Dimensions
•Install the Inverter under the following conditions.
Ambient temperature for operation (panel-mounting): –10°C to 50°C
Humidity: 95% or less (no condensation)
•Install the Inverter in a clean location free from oil mist and dust. Alternatively, install it in a totally en-
closed panel that is completely protected from floating dust.
•When installing or operating the Inverter, always take special care so that metal powder, oil, water, or
other foreign matter does not get into the Inverter.
•Do not install the Inverter on inflammable material such as wood.
HDirection
•Install the Inverter on a vertical surface so that the characters on the nameplate are oriented upward.
Design Chapter 1

1-3
HDimensions
•When installing the Inverter, always provide the following clearances to allow normal heat dissipation
from the Inverter.
W = 30 mm min.
Inverter
100 mm min. Air
SideInverter Inverter
100 mm min. Air
HAmbient Temperature Control
•To enhance operation reliability, the Inverter should be installed in an environment free from extreme
temperature changes.
•If the Inverter is installed in an enclosed environment such as a box, use a cooling fan or air conditioner
to maintain the internal air temperature below 50°C.
The life of the built-in electrolytic capacitors of the Inverter is prolonged by maintaining the internal air
temperature as low as possible.
•The surface temperature of the Inverter may rise approximately 30°C higher than the ambient temper-
ature. Be sure to keep away equipment and wires from the Inverter as far as possible if the equipment
and wires are easily influenced by heat.
HProtecting Inverter from Foreign Matter during Installation
•Place a cover over the Inverter during installation to shield it from metal power produced by drilling.
Upon completion of installation, always remove the cover from the Inverter. Otherwise, ventilation will
be affected, causing the Inverter to overheat.
Design Chapter 1

1-4
1-1-2 Removing and Mounting the Covers
It is necessary to remove the front cover, optional cover, top protection cover, and the
bottom protection cover from the Inverter to wire the terminal block.
Follow the instructions below to remove the covers from the Inverter.
To mount the covers, take the opposite steps.
HRemoving the Front Cover
•Loosen the front cover mounting screws with a screwdriver.
•Press the left and right sides of the front cover in the arrow 1 directions and lift the bottom of the cover in
the arrow 2 direction to remove the front cover as shown in the following illustration.
HRemoving the Top and Bottom Protection Covers and Optional Cover
DRemoving the Top and Bottom Protection Covers
•After removing the front cover, pull the top and bottom protection covers in the arrow 1 directions.
Design Chapter 1

1-5
DRemoving the Optional Cover
•After removing the front cover, lift the optional cover in the arrow 2 direction based on position A as a
fulcrum.
Note The front cover functions as a terminal cover. The Digital Operator cannot be removed.
Design Chapter 1

1-6
1-2 Wiring
1-2-1 Terminal Block
Before wiring the terminal block, be sure to remove the front cover, top protection cover,
and the bottom protection cover.
HPosition of Terminal Block
Ground terminal
Control circuit terminals
Main circuit output terminals
Main circuit input terminals
Ground terminal
HArrangement of Control Circuit Terminals
Design Chapter 1