You can tell us a million times, but we have no means to tell whether you're telling the truth or not. I'm sorry, but I don't take any risks in this kind of situations. Don't forget: if Phil lets us post information that can be used in any illegal way, he too could be pursued by American law. And BTW, if it is you that lost the password, why don't you simply erase the complete PLC and reload the program. You should have the original source files, don't you? You shouldn't need to use an unlocker program of any kind.

Kind regards. This is the wrong place for this kind of questions. This forum doesn't support piracy and for us it's impossible to judge if your question is legal or not. He's asking for help in unlocking the PLC, not on how to bypass the copy protection of the programming software. I don't think that is illegal to ask for help in unlocking a program. As an integrator you might have a problem with helping folks bypass what you feel is intellectual property, I can understand that.

Astrologicheskaya programma kala. But as a front-line guy who has had to wait until day shift came around to find the idiot who programmed the equipment with a password, I (understandably as well) have a different opinion.

Link: anyone have software to unpassword plc omron CJ2M, USB.