Introduction - Mitsubishi MELSEC FX3U Series Handbook

INTRODUCTION

This Replacement Manual describes CPU module and extension device model selection for replacement from the MELSEC
FX3U/FX3UC Series to the MELSEC iQ-F Series.
When replacing from the MELSEC FX3U/FX3UC Series to the MELSEC iQ-F Series, some items will be necessary to
consider beforehand such as the replacement procedure, installation location, comparing specifications of the existing module
and the planned replacing module, and how to replace the network. For smooth replacement, please carefully consider
beforehand.
Regarding use of this product
• 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 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.
Note
• If in doubt at any stage during the installation of the product, always consult a professional electrical engineer who is
qualified and trained in 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, if you notice a doubtful
point, an error, etc., please contact the nearest Mitsubishi Electric representative. When doing so, please provide the
manual number given at the end of this manual.
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