: Create a "Transfer Card" using Micro/WIN SMART, insert it into the powered-off PLC, and restart the unit.
: If a password prompt appears during this process, enter CLEARPLC (not case-sensitive) to proceed with the factory reset. Hardware Method: Micro SD Card Reset s7-200 smart plc password unlock
: Check all boxes for Program Block , Data Block , System Block , and Password . : Create a "Transfer Card" using Micro/WIN SMART,
: If you have the .smart project file but cannot open it, specialized services can often recover project passwords. insert it into the powered-off PLC
: In the STEP 7-Micro/WIN SMART software, navigate to PLC > Clear .
For S7-200 SMART models with a memory slot, you can perform a password-free reset using a standard Micro SD card.