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10/17/2011 8:02 PM | |
Joined: 9/27/2006 Last visit: 9/22/2024 Posts: 12282 Rating: (2685)
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Hello ganesan; The folloeing FAQ will explain the procedure you need to follow: S7-400: Saving the user program to FLASH EPROM when the module is slotted in the CPU Note that you will have to write the complete program to the EPROM every time you need to save a change. And there is a write limit to a Flash EPROM. For development purposes, we would rather use a RAM card (you simply save your changes, incriminentaly,as you go along), and maintain battery support during that phase. When the project is finalized, we would transfer it to the flash EPROM so it would be preserved without battery. Hope this helps, Daniel Chartier |
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