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Downgrade firmware S120 CU320-2 DP to v4.7

5/7/2025 9:12 AM	Rate (0)
PedCast Joined: 1/31/2024 Last visit: 8/12/2025 Posts: 4 Rating: (0)	I have a cu320-2dp also with v5.2.3.21 and I need to use the v4.7, in siemens you can download the SINAMICS S120 SWV4.7 HF35, but I want to know if it is possible to downgrade to that version. Thanks Berg Hi. I would like to know if it is possible to downgrade CU320-2 DP (6SL3040-1MA00-0AA0) from V5.2 to V4.7 ? I need that because I want to access the drive via Drive ES and I have STARTER V4.4 installed. I cannot upgrade to V5.1 or higher (Windows XP). Best regards, Berg ------------------------------------------------------------------------------------------ Split from Downgrade firmware S120 CU320-2 DP.
	Last edited by: Moderator_Lan at: 05/07/2025 09:22:15 New subject after splitting
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5/11/2025 2:52 AM	Rate (0)
Capheden120 Joined: 11/5/2022 Last visit: 5/20/2025 Posts: 4 Rating: (0)	Yes. You can do that by deleting all the files on the CF card and copying the files from the version you want to upgrade or downgrade. And importantly, never format the memory card.
	Last edited by: Moderator_Lan at: 05/12/2025 08:46:16 Link removed because it's an advertisement “SINAMICS Fault Finder” app https://play.google.com/store/apps/details?id=com.anhhuy.faultfinder
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