use password protection to secure intellectual property (know-how protection) and prevent unauthorized modifications. Siemens Simatic S7-200 Smart PLC Module (6ES7 IndustryShoppy.com Go to product viewer dialog for this item.
Official and technically reliable methods to manage password-protected SIMATIC S7 units involve either recovering the password from original project documentation or performing a factory reset, which erases all existing data. Industrial Monitor Direct Official Recovery & Reset Methods
The methods used by these tools differed significantly between the two PLC families: