Insert the SMC into a PC with a standard SD card reader.
1. Resetting via the SIMATIC Memory Card (Standard Recovery) siemens s71500 password reset top
Delete all visible files and folders (specifically the SIMATIC.S7S folder and any .S7S files). Do not delete hidden system files . Insert the SMC into a PC with a standard SD card reader
If the hardware has a built-in display and it is not itself locked by a password, you can perform a memory reset directly from the front panel. Press the button on the display to open the menu. Navigate to the Settings window. siemens s71500 password reset top
Reinsert the empty card into the CPU and power it back on.