Every time a new version of GX IEC Developer is installed, the inevitable question is “how do I find out what is new and/or what has changed?”. This document aims to answer the question.

Design Considerations

When a new version of GX IEC Developer is installed, a “What’s New” document is also installed. If GX IEC Developer is installed in the default directory, the “What’s New” file can be found in the following location:

C:\MELSEC\GX IEC Developer x.xx\Manuals

Where x.xx is the GX IEC Developer version number. The file name will be WhatsNew_xxx.pdf.

NOTE: this directory also contains a Beginners Manual and a Reference Guide.

Further Information

For further information, please read the What’s New document or contact our support desk (

You can download this Tip in PDF format here.

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