Go to Communication > PLC Format . This will wipe the memory, including the password, allowing you to upload a new program. Step-by-Step Recovery Process
If you are a legitimate owner of a Delta PLC, follow these steps before searching for unauthorized downloads: Unlock Password Plc Delta Tool Software Download
Once the tool returns PASSWORD FOUND: 4852 (example), write it down. Close the unlock tool completely. Go to Communication > PLC Format
This article is for educational purposes and for recovering access to machinery you legally own or maintain. Unlocking a PLC without authorization violates copyright laws and professional ethics. Proceed responsibly. including the password
For legitimate programming and management, always use the official Delta Download Center . WPLSoft V2.53 - Delta | Download Center