Mitsubishi Electronics FX3G User Manual

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FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 Series 
Programming Manual - Basic & Applied Instruction Edition
Outline Precautions
• This manual provides information for the use of the FX
3S
/FX
3G
/FX
3GC
/FX
3U
/FX
3UC
 Series Programmable 
Controllers. The manual has been written to be used by trained and competent personnel. The definition of 
such a person or persons is as follows;
1) Any engineer who is responsible for the planning, design and construction of automatic equipment
using the product associated with this manual should be of a competent nature, trained and qualified
to the local and national standards required to fulfill that role. These engineers should be fully aware of
all aspects of safety with regards to automated equipment.
2) Any commissioning or service engineer must be of a competent nature, trained and qualified to the
local and national standards required to fulfill that job. These engineers should also be trained in the
use and maintenance of the completed product. This includes being completely familiar with all
associated documentation for the said product. All maintenance should be carried out in accordance
with established safety practices.
3) All operators of the completed equipment should be trained to use that product in a safe and
coordinated manner in compliance to established safety practices. The operators should also be
familiar with documentation which is connected with the actual operation of the completed equipment.
Note:  The term 'completed equipment' refers to a third party constructed device which contains or uses 
the product associated with this manual
• This product has been manufactured as a general-purpose part for general industries, and has not been 
designed or manufactured to be incorporated in a device or system used in purposes related to human life.
• Before using the product for special purposes such as nuclear power, electric power, aerospace, medicine 
or passenger movement vehicles, consult with Mitsubishi Electric.
• This product has been manufactured under strict quality control. However when installing the product 
where major accidents or losses could occur if the product fails, install appropriate backup or failsafe 
functions in the system.
• When combining this product with other products, please confirm the standard and the code, or regulations 
with which the user should follow. Moreover, please confirm the compatibility of this product to the system, 
machine, and apparatus with which a user is using.
• If in doubt at any stage during the installation of the product, always consult a professional electrical 
engineer who is qualified and trained to the local and national standards. If in doubt about the operation or 
use, please consult the nearest Mitsubishi Electric representative.
• Since the examples indicated by this manual, technical bulletin, catalog, etc. are used as a reference, 
please use it after confirming the function and safety of the equipment and system. Mitsubishi Electric will 
accept no responsibility for actual use of the product based on these illustrative examples.
• This manual content, specification etc. may be changed without a notice for improvement.
• The information in this manual has been carefully checked and is believed to be accurate; however, you 
have noticed a doubtful point, a doubtful error, etc., please contact the nearest Mitsubishi Electric 
representative.
Registration
• Microsoft
®
, Windows
®
 and Excel
®
 are either registered trademarks or trademarks of Microsoft Corporation 
in the United States and/or other countries.
• CompactFlash is a trademark of SanDisk Corporation in the United States and other countries.
• Ethernet is a trademark of Xerox Corporation.
• MODBUS
®
 is a registered trademark of Schneider Electric SA.
• The company name and the product name to be described in this manual are the registered trademarks or 
trademarks of each company.