S7-1200 Password Unlock

This is what most engineers refer to when they say "the password." The S7-1200 features various access levels ranging from "No protection" up to "Complete protection (no access)." Generally, there is no global "default password" for an S7-1200 CPU; the original programmer sets the code. If a project is downloaded with the "No Access" level and a password, the CPU locks down. A simple "Reset to factory settings" will not work because the CPU’s internal load memory asks for the password before allowing deletion.

Here is how to reset a forgotten password using the Memory Card method. Keep in mind: . Only proceed if you have a backup of the original program. S7-1200 Password Unlock

Best Practices for Password Management in Industrial Automation This is what most engineers refer to when