Reinsert the card and perform a complete system manual clear using the MRES selector sequence. Alternative Method: Hardware Factory Reset (MRES)
Always document the exact physical card modules and I/O addresses in separate text printouts so you can quickly reconstruct the configuration map if a full MRES wipe becomes necessary. unlock s7300exe work
Right-click s7300.exe (usually found in the Siemens installation folder under Step7\S7BIN ). Go to . Reinsert the card and perform a complete system
The S7 block might become unusable, requiring a total re-upload of the code. unlock s7300exe work