Check the box "Delete password for protection of confidential PLC configuration data" if applicable. Click Reset and confirm the prompt. 3. Reset via the CPU Display
Open the view for the CPU in TIA Portal. Navigate to Functions > Reset to factory settings . Choose whether to keep or delete the IP address.
Forgotten or lost passwords for a Siemens SIMATIC S7-1500 PLC Go to product viewer dialog for this item. siemens s7-1500 password reset
Hold the selector in the position until the RUN/STOP LED lights up steadily for the second time (approx. 3 seconds), then release it.
You can also use the physical mode selector switch on the front of the CPU: Set the switch to . Remove the memory card. Check the box "Delete password for protection of
Reinsert the card into the CPU and power it on. The CPU will now be empty and ready for a new download without a password prompt. 2. Reset to Factory Settings (TIA Portal)
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 Reset via the CPU Display Open the view
can halt maintenance and updates. While there is no "recovery" tool to retrieve an existing password, you can reset the password by clearing the CPU memory. 1. Resetting via the SIMATIC Memory Card (SMC)