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retentive memory in S7-300

Created by: deepak.samal05 at: 2/25/2010 5:10 PM (7 Replies)

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2/25/2010 5:10 PM	Rate (0)
deepak.samal05 Posts: 65 Rating: (0)	hello guys, is there a way to create retentive memory using some data blocks???????????
deepak.samal05 Posts: 65 Rating: (0)
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2/25/2010 6:57 PM	Rate (0)
Aret Posts: 2348 Rating: (264)	HW Konfig->CPU->Properties. Here you can set retentive M area, also T and C. All DBs are retentive (if CPU is newer than 2002).
Aret Posts: 2348 Rating: (264)
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2/26/2010 11:35 AM	Rate (0)
Wizard Diamond Expert Joined: 4/24/2006 Last visit: 9/13/2024 Posts: 8736 Rating: (1168)	Hi, Perhaps this link, might help you: Retentivity behaviour of S7-300 CPU 31x and complete devices C7-6xx with MMC Best regards, Wizard

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3/5/2010 3:38 PM	Rate (0)
OvidiuNastac Silver Member Joined: 1/29/2008 Last visit: 7/26/2022 Posts: 419 Rating: (19)	Hi Go to the right pane, click to the data block that you want to make it retentive, right mouse, point Object Proprieties and in the window that apear, click on the tab General_part 2. In the down left corner you will see Non retentive. If you want to make it non retentive check it. Generally all the data blocs are retentive. Good luck Nit

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3/13/2010 3:35 AM	Rate (0)
deepak.samal05 Posts: 65 Rating: (0)	hello guys can i make my db as retentive so that data ones given to db should not get lost>???????
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3/13/2010 9:33 AM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	deepak.samal05 hello guys can i make my db as retentive so that data ones given to db should not get lost>??????? Yes. As already said before.
IBN-Service Posts: 8946 Rating: (999)
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3/15/2010 5:50 PM	Rate (0)
deepak.samal05 Posts: 65 Rating: (0)	hello friends, regarding db retentive,i have a doubt again....... while going for Warm and Complete restart my data in db is getting lost .....so any solutions for that.. and how does SFC 24(create db) works
deepak.samal05 Posts: 65 Rating: (0)
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3/15/2010 8:18 PM	Rate (0)
IBN-Service Posts: 8946 Rating: (999)	[quote user="deepak.samal05"]hello friends, regarding db retentive,i have a doubt again....... while going for Warm and Complete restart my data in db is getting lost .....so any solutions for that.. and how does SFC 24(create db) works Maybe, you have an old CPU without MMC?
IBN-Service Posts: 8946 Rating: (999)
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