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
You can also use the physical mode selector switch on the front of the CPU: Set the switch to . Remove the memory card. siemens s7-1500 password reset
Do NOT delete hidden files like __LOG__ or crdinfo.bin , as these make the card recognizable to the PLC. Within 3 seconds, switch back to and then back to STOP
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 Do NOT delete hidden files like __LOG__ or crdinfo
Hold the selector in the position until the RUN/STOP LED lights up steadily for the second time (approx. 3 seconds), then release it.
This is the most common method if you cannot go online due to the forgotten password. By clearing the SIMATIC Memory Card , you force the PLC to start with an empty configuration. Power off the CPU and remove the SMC. Step 2: Insert the card into a standard PC card reader.
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)