S7-200 Smart Password Unlock Fixed Instant
If the password is lost and you do not need to preserve the existing program, you can reset the PLC to factory defaults. Method A: Software Clear via Micro/WIN SMART Connect your PC to the PLC using an Ethernet cable.
Power on the PLC and wait for the status LEDs (typically the RUN/STOP LED) to finish flashing (usually about 10 seconds). s7-200 smart password unlock
Remove the card and restart the PLC; it will now be at its default IP and have no password. 3. Recovering or Bypassing a Password If the password is lost and you do