A: No. If the CPU itself is not password-protected but a subroutine is "Locked" (padlock icon), that is a different encryption. Those POUs can only be unlocked with the specific POU password or by decompiling the upload – which is generally illegal and technically extreme.
Some S7-200 SMART models (CR40s, SR40s, etc.) allow a factory reset using a specially formatted MicroSD card.
Before reaching for hack tools, try these official channels. They are less exciting but legally safe.
Siemens S7 200 Smart Password Unlock Site
A: No. If the CPU itself is not password-protected but a subroutine is "Locked" (padlock icon), that is a different encryption. Those POUs can only be unlocked with the specific POU password or by decompiling the upload – which is generally illegal and technically extreme.
Some S7-200 SMART models (CR40s, SR40s, etc.) allow a factory reset using a specially formatted MicroSD card. siemens s7 200 smart password unlock
Before reaching for hack tools, try these official channels. They are less exciting but legally safe. A: No