There are several approaches to regaining access, ranging from soft resets to more advanced technical methods. 1. Using DirectSoft Programming Software (Official Method)
: For DirectLogic models, you can send the CPU to AutomationDirect (within the U.S.). They will clear the password and program free of charge, but they cannot retrieve the project. 2. Default Passwords
Connect via DirectSOFT. Navigate to the PLC menu and look for "Clear PLC Memory" or "Setup -> Initialize Scratchpad." This wipes the password along with the ladder logic, allowing you to download a fresh program. koyo plc password unlock
Are you locked out of the or the software project file ? Share public link
Incorrectly modifying memory registers can brick the PLC CPU, requiring a complete hardware replacement. There are several approaches to regaining access, ranging
Once you regain access, implement a strategy to ensure it doesn't happen again:
Connect your PC to the KOYO PLC using the appropriate programming cable (e.g., EA-MG-PGM-CBL or USB). Open or Productivity Suite . They will clear the password and program free
Connect your PC to the PLC using the appropriate programming cable. Open your programming software (DirectSOFT or CLICK). Clear All PLC Memory Initialize PLC
Allows users to view the running program but prevents any online edits or overrides. How Passwords Are Stored