RESET_TO_FACTORY
: If the PLC is part of a manufactured machine, the Original Equipment Manufacturer (OEM) likely holds the password. siemens s7 200 smart password unlock fixed
1. Introduction
If you have forgotten the password for a Siemens S7-200 SMART PLC, the only official and 100% reliable "fixed" method to unlock it is to perform a factory reset RESET_TO_FACTORY : If the PLC is part of
This is the most fixed and safest method. No risk of bricking. However, it requires patience and documentation. it requires patience and documentation.