: Complete lockout. You cannot upload the program from the PLC even with a password. In this case, you must have the original project file on your PC to make changes. 4. Bypassing Block-Level Protection
: In the STEP 7-Micro/WIN SMART software, if you are prompted for a password when trying to clear the PLC, use the universal reset string: CLEARPLC . Procedure : Connect your PC to the PLC via Ethernet. Open STEP 7-Micro/WIN SMART . Navigate to the PLC menu and select Clear . s7 200 smart plc password unlock new
Select all three checkboxes (Program Block, Data Block, System Block). : Complete lockout