2/14/2012 6:17 PM | |
Joined: 3/21/2006 Last visit: 9/10/2024 Posts: 10228 Rating: (1181) |
How can you back up the actual values of DBs and bit memories? Best regards, Hristo Mihalev |
2/23/2012 10:01 AM | |
Joined: 10/7/2005 Last visit: 9/22/2024 Posts: 3021 Rating: (1054)
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Hello pachu generally speaking, DB values are by default retentive and the three FAQ's below will give you all the answers you need concerning the subject of retentivity in S7 300 and 400 PLC's: Retentivity behavior of S7-300 CPUs with MMC Retentivity behavior of S7-400 CPUs and the CPU 318-2 CPUs Retentivity behavior of S7-300 CPUs without MMC (in case you have a really old S7 300) I hope this helps |
Cheers |
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