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SFC84 for S7-400 or how to save DB from work memory to load memory in S7-400

9/4/2012 10:41 AM	Rate (0)
SpKV Posts: 139 Rating: (1)	Hello, experts and members! As I can see here SFC84 is for CPUs with Micro Memory Card (MMC). But if I want to save DB from work memory to load memory in case of S7-400 controllers, how can I do this? Best regards, SpKV.
SpKV Posts: 139 Rating: (1)
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9/4/2012 4:29 PM	Rate (0)
SpKV Posts: 139 Rating: (1)	Or more explicitly: can I save content of some DB (for example tunings from the OP or WinCC) from work memory to FLASH card in runtime? Best regards, SpKV.
SpKV Posts: 139 Rating: (1)
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9/6/2012 7:32 PM	Rate (0)
gre_m Posts: 947 Rating: (45)	Hello! In CPU-4xx write on flash card in run-mode not possible. Flash card can only full overwrite
gre_m Posts: 947 Rating: (45)
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9/7/2012 8:49 AM	Rate (0)
SpKV Posts: 139 Rating: (1)	Thank you, gre_m, for the answer. But what have I to do if I want save tunings that was entered from OP or WinCC station during runtime? Using batterries? Best regards, SpKV.
SpKV Posts: 139 Rating: (1)
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9/7/2012 2:41 PM	Rate (1)
gre_m Posts: 947 Rating: (45)	you can use winCC, battery support RAM. In this case you need use retentive DB and warm restart. If you use profibus DP station, then you can use et200s with im151-7 cpu for save tuning in MMC IM151-7
gre_m Posts: 947 Rating: (45)
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This contribution was helpful to 1 thankful Users SpKV

10/13/2016 11:27 AM	Rate (0)
Min_Moderator Posts: 4757 Rating: (122)	New question published by manhar71 is split to a separate thread with the subject How to use SFC84. Best regards Min_Moderator
Min_Moderator Posts: 4757 Rating: (122)
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