Open ISPSoft (step 1) -> “Communication Settings” Select communication with PLC (step 2) -> PLC “Format PLC Memory” press Ok (step 3) -> PLC will return to factory setting, remove feed and return www to feed the PLC. The password and program would all be erased..

1. Open ISPSoft:
   
2. Communication and Communication Selection:
   
3. PLC format to factory standards