Siemens S7-1500 Password Reset Jun 2026

Choose whether to keep or delete the IP address and click . 5. What if I need the code?

Within 3 seconds, switch back to and then back to STOP . Password Reset via SMC Factory Reset (TIA) Reset via Display Data Loss Yes (Total) Yes (Total) Yes (Total) Requires PC Yes (Card Reader) Yes (TIA Portal) Hardware Access Online Access siemens s7-1500 password reset

These passwords are not stored in plain text within the project file; they are written into the internal non-volatile memory of the PLC CPU. Choose whether to keep or delete the IP address and click

Have you ever had to reset a locked S7-1500 on a running machine? Share your experience below. Within 3 seconds, switch back to and then back to STOP

Finally, after you recover access, take 10 minutes to label the CPU with a secure-but-known password and store a backup on a memory card inside the cabinet. Your future self – or the next engineer – will thank you.