Omron RX Series User manual

High-function General-purpose Inverter
RX Series Type V1
User’s Manual
I578-E1-01
3G3RX--V1

OMRON, 2012
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.

1
Introduction
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Introduction
Thank you for purchasing the High-function General-purpose Inverter (Model: 3G3RX--V1).
This manual describes the installation and wiring methods of the 3G3RX-V1 Series Inverter, and
parameter setting methods which are required for the operation, as well as troubleshooting and
inspection methods.
This manual is intended for the following individuals.
Those who have electrical knowledge (certified electricians or individuals who have equivalent
knowledge) and also are qualified for one of the following:
•Introducing control equipment
•Designing control system
•Installing and connecting control systems
•Managing control systems and facilities
This manual contains information you need to know to correctly use the High-function General-purpose
Inverter (Model: 3G3RX--V1).
Before using the inverter, read this manual and gain a full understanding of the information provided
herein.
After you finished reading this manual, keep it in a convenient place so that it can be referenced at any
time.
Make sure this manual is delivered to the end user.
Intended Readers
Notice

Manual Configuration
2High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Manual Configuration
This manual is compiled section by section for user’s convenience as follows.
Section/Title Outline
Section 1 Overview This section provides the features of this product,
specifications, external dimensions, and part names.
Section 2 Design This section describes the installation and wiring
methods for this product.
Section 3 Operation and Test Run
This section describes the part names and key
operation of the Digital Operator, and the operation
method of this product as well as the test run
procedure.
Section 4 Parameter List This section provides lists of parameters for setting
various functions of this product.
Section 5 Basic Settings This section describes the basic functions, such as the
Run command.
Section 6 Vector Control This section describes the applied functions, such as
vector control.
Section 7 Detailed Functions This section describes the details of functions not
described in Section 5 or Section 6.
Section 8 Communications Functions This section describes the general-purpose serial
communications functions (RS-485 communication).
Section 9 Overview of DriveProgramming This section describes the features of the
DriveProgramming.
Section 10 Troubleshooting This section describes how to analyze the cause and take countermeasures if the inverter fails, and provides
troubleshooting for possible troubles.
Section 11 Maintenance and Inspection This section describes the maintenance and periodical
inspection items.
Section 12 Options This section describes the specifications and external
dimension of peripheral equipment.
Appendices This section provides information on the capacitor life
curve and the life alarm output.

3
Manual Structure
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Manual Structure
The following page structure and symbol icons are used in this manual.
Note The above page is only a sample for illustrative purposes. It is not the actual content of the manual.
Page Structure and Symbol Icons
2 - 9
2 Design
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
2-2 Removal of Each Part
2
2-2-1 Removing Covers
2-2 Removal of Each Part
Before wiring each terminal block, youneed to remove the terminal block cover and the backing plate.
In addition, to install aPG Board or communicationsunit, youmust remove the Digital Operator, spacer
cover, terminal block cover, and front cover beforehand.
Thissection describeshow to remove these covers.
To reinstall it, reverse the removal procedure.
1 Loosen the terminal block cover fixation screws.
There are two terminal block cover fixation screws,
one for each side of the cover.
Larger capacity Inverter modelshave three terminal
block cover fixation screws.
2 Remove the terminal block cover in the direction of
(a) while holding it from the bottom.
1 Remove the Digital Operator in the direction of (a) by
pushing the lip on the top.
2 In the same way, remove the spacer cover in the
direction of (b).
2-2-1 RemovingCovers
RemovingTerminal Block Cover
RemovingDigital Operator and Spacer Cover
(a)
Terminal block cover fixation screws
(a)
(b)
Level 1 heading
Level 2 heading
Level 3 heading
Level 2 heading
Operation Steps
Manual Name
Level 3 heading Shows which
paragraph the
content of the current
page belongs to.
Describes the operation
steps.
Note, Supplementary
Information,
Reference Target
A note, supplementary
information, reference
target, etc. are
provided with
difference icons.
Shows which
section the content
of the current page
belongs to.
Section Number
of Level 1
heading

Manual Structure
4High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Special information in this manual is classified as follows:
Precautions for Safe Use
Precautions on what to do and what not to do to ensure safe usage of the product.
Precautions for Correct UsePrecautions for Correct Use
Precautions on what to do and what not to do to ensure proper operation and performance.
Additional Information
Additional information to read as required.
This information is provided to increase understanding or make operation easier.
Special Information

5
Sections in this Manual
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
1 10
2 11
3 12
4A
5
6
7
8
9
1 10
2 11
3 12
4A
5I
6
7
8
9
Overview Troubleshooting
Design Maintenance and
Inspection
Operation and Test Run Options
Parameter List Appendices
IIndexBasic Settings
Vector Control
Detailed Functions
Communications Functions
Overview of DriveProgramming
Sections in this Manual

Read and Understand this Manual
6High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
Read and Understand this Manual
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.

7
Read and Understand this Manual
High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
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 WAS 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.

Read and Understand this Manual
8High-function General-purpose Inverter 3G3RX-V1 User’s Manual (I578-E1)
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 usersmust correlate itto actual
application requirements. Actual performance is subject to the OMRON Warranty and Limitations of Liability.
ERRORS AND OMISSIONS
The information in this manual was carefully checked and is believed to be accurate; however, no responsibility is
assumed for clerical, typographical, or proofreading errors, or omissions.