2/23/2024 7:54 AM | |
Joined: 7/9/2015 Last visit: 10/18/2024 Posts: 3987 Rating: (595)
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Hi, only change backup battery in "Power ON" mode, otherwise you will lose data in the user memory and the internal CPU clock will stop. For more informations please check this link: When should you replace the back-up battery on your S7 300/400 controller?Regards, Towome |
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This contribution was helpful to1 thankful Users |
2/23/2024 10:57 AM | |
Joined: 10/3/2023 Last visit: 10/17/2024 Posts: 43 Rating: (0) |
Hi Towome, You mean lose the whole program or just stored data and retentive values? |
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