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Reset word or byte

Created by: Milosh at: 2/11/2012 7:44 AM (5 Replies)

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2/11/2012 7:44 AM	Rate (0)
Milosh Gold Member Joined: 8/16/2010 Last visit: 12/18/2025 Posts: 640 Rating: (12)	Hi all... I have question about reseting DB word or byte. In s7 300 I do move zero to DB1.DBB1 and reset all byte in DB1, but in s7 1200 I can't do this because of symbolic addressing. Is there any way to reset DB in S7 1200 like in S7 300? Thanks, Miloš

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2/11/2012 12:33 PM	Rate (0)
Ganes10 Platinum Member Joined: 8/31/2010 Last visit: 12/6/2025 Posts: 1525 Rating: (231)	Milosh Hi all... I have question about reseting DB word or byte. In s7 300 I do move zero to DB1.DBB1 and reset all byte in DB1, but in s7 1200 I can't do this because of symbolic addressing. Is there any way to reset DB in S7 1200 like in S7 300? Thanks, Miloš Hello Miloš, While creating the Data Block, do not configure the Block Access as Optimized instead you configure it as Standard - .compatible with S7-300 / S7-400.
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2/15/2012 7:22 AM	Rate (0)
Milosh Gold Member Joined: 8/16/2010 Last visit: 12/18/2025 Posts: 640 Rating: (12)	OK...thanks. I know for that but I thik if there are some wwy to reset whole symbolic DB. Best regards, Miloš

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7/25/2012 7:41 AM	Rate (0)
Er. Sanjay Mistry Posts: 79 Rating: (7)	I tried same as your answer, made new db, with standard access, & modified program again, but still i cant reset all bits in my db by moving 16#0000_0000 in db5.dbd0.0. Here i attached my current configuration. Attachment 1.DB error.zip (544 Downloads)
Er. Sanjay Mistry Posts: 79 Rating: (7)
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7/25/2012 4:04 PM	Rate (0)
0_Einstein Grandmaster-Expert Joined: 7/7/2010 Last visit: 1/14/2026 Posts: 16365 Rating: (2522)	Er. Sanjay Mistry I tried same as your answer, made new db, with standard access, & modified program again, but still i cant reset all bits in my db by moving 16#0000_0000 in db5.dbd0.0. Here i attached my current configuration. I might be out of line with this suggestion (and not looking at the error zip...) but at first glance you would want to move the 16#0000_0000 to db5.dbd0, not ...dbd0.0 You can't stuff a double word into a bit.
	science guy
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8/21/2012 2:21 PM	Rate (0)
Er. Sanjay Mistry Posts: 79 Rating: (7)	I TRIED BOTH, ACTUALLY I IGNORED IT BECAUSE IT IS A WARNING, NOT AN ERROR, BECAUSE THIS ADDRESS IS NOT USED LIKE THIS & SOFTWARE CONCLUDES AS INCOMPITIBLE ADDRESS SO IT HOWS IN YELLOW COLOR... IT IS IGNORABLE...
Er. Sanjay Mistry Posts: 79 Rating: (7)
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