: It is most commonly used for the FX3U series, but it also supports older models like the FX1S, FX1N, FX2N, FX3G, FX3GA, and FX3S .
: Using third-party "crack" tools can expose your industrial PC to malware or potentially corrupt the PLC’s firmware.
The process generally involves connecting your PC to the PLC's programming port, opening the KeyRead utility, selecting the correct COM port, and clicking a "Read" or "Unlock" button. If successful, the software displays the 8-character or 16-character password used to lock the device. PLC engineering software (MELSEC) | Products keyread v2.0 mitsubishi
: When an original equipment manufacturer (OEM) is no longer in business and the end-user needs to modify the machine's logic.
In the world of factory automation, losing access to a PLC program due to a lost password can halt maintenance or prevent necessary system upgrades. KeyRead V2.0 serves as a "backdoor" or diagnostic recovery utility for these specific scenarios. Key Features and Compatibility : It is most commonly used for the
: The software is a small, portable executable (often around 1.7 MB) designed to run on Windows environments ranging from Windows XP to Windows 10. Why Use KeyRead V2.0?
: The tool typically operates via a serial or USB connection using standard Mitsubishi programming cables (like the SC09 or FX-USB-AW). If successful, the software displays the 8-character or
In industrial environments, "locking" a PLC is a standard security practice to protect intellectual property or prevent unauthorized modifications. However, KeyRead V2.0 becomes essential in the following cases: