The official Mitsubishi Electric Automation portal (MyMitsubishi) is the only safe source.
: Ensure you download the version compatible with your PLC hardware (e.g., QJ71MB91 or QS0J71MB91 Modbus modules). MITSUBISHI ELECTRIC Global website 3. Key Features of GX Configurator-MB gx configurator-mb software download
Contact Mitsubishi Electric Technical Support with your module serial number (QJ71MB91) and the error code displayed during installation. Do not attempt to use GX Configurator-MB for FX series – use FX Configurator-MB instead. Use only official Mitsubishi channels: Finding a standalone
Due to copyright and security risks, download from third-party file-sharing sites. Use only official Mitsubishi channels: download from third-party file-sharing sites.
Finding a standalone download for GX Configurator-MB has changed with the evolution of Mitsubishi’s software suites:
is a specialized engineering utility from Mitsubishi Electric designed to simplify the setup of Modbus® interface modules for MELSEC Programmable Logic Controllers (PLCs). By using this software, engineers can configure complex communication parameters through a graphical user interface (GUI) instead of writing extensive PLC code. Essential Software Details