Within 3 seconds, release the switch and immediately toggle it back to .
Connect to the S7-300 PLC using a programming cable and a STEP 7 programming software. unlock password plc siemens s7 300 rarl better
Once you’ve unlocked your S7-300, take these steps: Within 3 seconds, release the switch and immediately
Unlocking a password typically involves two distinct paths: recovering the existing password to save the program or performing a factory reset to regain hardware access (which deletes the program). I. Password Recovery (Keeping the Program) Within 3 seconds