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Is there a way to unlock the CPU display that is password protected through software?

Created by: AsitZH at: 4/5/2022 9:33 AM (2 Replies)

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4/5/2022 9:33 AM	Rate (0)
AsitZH Regular Member Joined: 3/9/2020 Last visit: 9/30/2024 Posts: 11 Rating: (2)	Hello Siemens experts! I was wondering if there is a way to unlock the CPU display that is password protected through software. For example: Type in the CPU display password through a HMI device. Or with a correct string in software to some CPU display unlock function. Thank you in advance for any feedback. Regards Z ------------------------------------------------------------------------------------------ Split from S7-1516-3PN/DP Display Password not working.
	Last edited by: Jen_Moderator at: 04/05/2022 10:52:03 New subject after splitting
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4/6/2022 8:44 PM	Rate (0)
Swarley92 Experienced Member Joined: 8/12/2021 Last visit: 11/7/2024 Posts: 331 Rating: (31)	Hi AsitZH! I think if the display is password-protected and a password is not available, the only way would be to perform a factory reset.
	If this Information really helps, you could use the Rate function Best regards Swarley92
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4/7/2022 8:53 AM	Rate (0)
AsitZH Regular Member Joined: 3/9/2020 Last visit: 9/30/2024 Posts: 11 Rating: (2)	Hello Swarley92 Thank you for your post. A factory reset would remove the display password but it does not answer my question :) The project is read/write protected with a password that I have. So changing the PLC display password and downloading a new HW config would be a bit more elegant way for removing/changing the PW. For example, the function that I am looking for would allow me to unlock the display remotely for the end customer if needed without giving the password. Regards Z

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