Setting up the Mitsubishi Easysocket USB Driver on Windows 7 is a common task for PLC technicians. This guide outlines how to find the driver, locate it within your existing software, and complete the installation. 1. Download & Location Options
The Easysocket driver is rarely a standalone download on official sites; it is typically bundled with MELSOFT engineering software.
Official Source: If you have a registered account, you can download the latest engineering software (which includes the drivers) from the Mitsubishi Electric Factory Automation Download Center.
Pre-installed Location: If you already have GX Works2 or GX Developer installed, the driver is already on your hard drive: C:\Program Files (x86)\MELSOFT\EasySocket\USBDrivers C:\MELSEC\Easysocket\USBDrivers (for older installations) mitsubishi easysocket usb driver windows 7 zip link
Third-Party Zip Links: Sites like Driverscape or Treexy host zip files (approx. 20KB–50KB), but using the version bundled with your MELSOFT software is recommended for compatibility. 2. Manual Installation Steps (Windows 7)
If Windows fails to recognize your PLC (often showing as an "Unknown Device" or "MELSEC" in Device Manager), follow these steps: Connect Device: Plug your PLC into the PC via USB.
Open Device Manager: Right-click Computer > Manage > Device Manager. Update Driver: Find the entry labeled "Unknown device" or "MELSEC". Setting up the Mitsubishi Easysocket USB Driver on
There are two primary safe methods to obtain the driver for Windows 7:
While Windows 7 is an aging operating system, it remains a staple in many industrial environments. The Mitsubishi EasySocket USB driver is the bridge that allows modern technicians to communicate with legacy hardware. Always prioritize downloading drivers from official Mitsubishi channels to ensure the stability of your automation systems.
Drivers are often distributed in ZIP format for several practical reasons: How to Find the Driver There are two
.inf, .sys, .cat, setup executables, or documentation).A ZIP file containing the EasySocket driver is typically named like:
EasySocket_USB_Driver_v1.xx_Win7.zip or Mitsubishi_USB_Driver_x64.zip.
| Problem | Solution | | :--- | :--- | | Driver not found after extraction | Re-download ZIP; ensure antivirus hasn’t deleted the .INF file. | | Error 10 (Device cannot start) | Uninstall driver, reboot, reinstall with “Disable Signature Enforcement.” | | USB device not recognized | Test on another USB 2.0 port (avoid USB 3.0 blue ports). | | Missing msvcr100.dll | Install Microsoft Visual C++ 2010 Redistributable (x86/x64). |
Easysocket_USB_Driver_Win7_x86_x64.zip extracted to a folder, e.g., C:\Drivers\Mitsubishi\EasySocket..sys or .inf file → Properties → Digital Signatures. Should show “Mitsubishi Electric Corporation”.