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5/28/2006 5:31 PM | |
Posts: 4 Rating: (0) |
Hello. I have CPU 312C and I have forgotten password to my old program. Now I can`t download any other program etc. How can I fix it ? Please help me ! |
5/30/2006 2:10 PM | |
Joined: 4/24/2006 Last visit: 9/24/2024 Posts: 8742 Rating: (1168) |
Hi, Have you tried this: http://support.automation.siemens.com/WW/view/en/21830698 You should have an other S7-300 CPU. Because the MMC must contain data invalid for CPU, otherwise it will not work. Pay attention: You'll lose your programm. Best regards, Wizard |
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