However, if your goal is to reclaim the hardware for a new program, you can reset the device to its factory state. Below are the proven methods to unlock and reset an S7-200 SMART PLC 1. The Official "Master Password" Reset (WIPEOUT)
If you have forgotten the password, use one of the following official methods to reset the PLC to factory defaults. Using STEP 7-Micro/WIN SMART Software Connect your PC to the PLC and open the software. Navigate to the menu and select Check all boxes (Program Block, Data Block, System Block). siemens s7 200 smart password unlock link
He ran it. A command prompt appeared, showing only a blinking cursor. However, if your goal is to reclaim the
: Use STEP 7-Micro/WIN SMART. Select PLC > Clear , check all three blocks (Program, Data, System), and confirm. Using STEP 7-Micro/WIN SMART Software Connect your PC
which document specific software approaches for Level 3 and Level 4 protection. Summary of Protection Levels