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downgrade firmware CPU safety

1/18/2019 1:26 PM	Rate (0)
ecrey Regular Member Joined: 7/10/2011 Last visit: 12/2/2025 Posts: 28 Rating: (0)	Hello, I have a 1512SP F-1 PN firmware 2.5.2 CPU but it does not work with Tia Portal V13 + SP1. Could I downgrade the firmware? Thank you

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1/18/2019 1:30 PM	Rate (0)
ChristophD Grandmaster Joined: 5/12/2006 Last visit: 1/14/2026 Posts: 22800 Rating: (3073)	Hello, yes this should be possible. Which ordernumber have you PLC? Regards Christoph

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1/18/2019 1:36 PM	Rate (0)
ecrey Regular Member Joined: 7/10/2011 Last visit: 12/2/2025 Posts: 28 Rating: (0)	6ES7512-1SK01-0AB0 V2.5.2 THANKS A LOT.

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1/18/2019 1:43 PM	Rate (0)
ChristophD Grandmaster Joined: 5/12/2006 Last visit: 1/14/2026 Posts: 22800 Rating: (3073)	Hello, here you find all FW Versions which you can use with this plc https://support.industry.siemens.com/cs/ww/en/view/109476731 Regards Christoph

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