S7 200 Smart Plc Password Unlock New Page

The PLC is now reset to factory settings, and the password is removed. Method 2: STEP 7-Micro/WIN SMART "Clear" Function

In addition to CPU access, you can encrypt specific program blocks (POU), such as the main program (OB1), subroutines, or interrupt service routines. A locked POU appears with a padlock icon. To view or edit a protected subroutine, you need the specific POU password. This system is widely used to protect proprietary algorithms, although password-removal tools for POUs are available in the community. s7 200 smart plc password unlock new

Select all three checkboxes (Program Block, Data Block, System Block). The PLC is now reset to factory settings,

If you are an end-user, mandate that your machine builder or system integrator delivers the original project files and all system passwords upon final commissioning. If you are dealing with a specific scenario, let me know: What is the exact CPU model and its firmware version ? To view or edit a protected subroutine, you