Specifically designed for older units like the FX0, FX0N, and A-Series PLCs.
: Re-distributors like Informer Technologies or industrial forums like PLCTalk .
MELSEC MEDOC 2.4 is a "workhorse" of the past that refuses to retire. Whether you are performing a critical backup of a 25-year-old assembly line or learning the roots of Mitsubishi programming, having this tool in your kit is invaluable.
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DOSBox is a free, open-source DOS emulator that works perfectly for running MEDOC. melsec medoc 2.4 download
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: Create a desktop shortcut to C:\MEDOC\MEDOC.EXE .
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While keeping MEDOC 2.4 on an engineering laptop is excellent for emergencies, migrating to modern platforms is highly recommended for long-term sustainability. Programs saved in MEDOC can typically be opened in , which bridges the gap to GX Works2 . This allows you to upgrade old FX2 or A-Series logic to modern FX5U or iQ-R series controllers seamlessly. Specifically designed for older units like the FX0,
Because Medoc 2.4 is a discontinued product, it is no longer actively sold on the standard Mitsubishi software catalog.
Version 2.4 is widely regarded as the "gold standard" of the DOS era. It includes support for the A0J2, A1N, A2N, A3N, A3H, and the early AnS series CPUs. It was the bridge between the older F-series software and the Windows-based GX Developer era.
: Uses .pro for program logic, .sys for I/O configuration, and .okb for system parameters. Installation & Modern Compatibility
Maintaining software from the 1990s presents operational vulnerabilities. Industry standards dictate migrating legacy systems to supported hardware and software platforms. Software Evolution Whether you are performing a critical backup of
Originally built for the , MELSEC MEDOC 2.4 often requires specific considerations to run on modern hardware:
: Mitsubishi Electric no longer offers MEDOC 2.4 for direct download on their modern support portals.
. Because it is a commercial product from the 1990s, there is no official "free" download link from Mitsubishi Electric, and it is rarely available on modern download portals. Control.com 1. Acquisition & Installation Availability : Official support has shifted to GX Developer GX Works2/3