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Step7 V5.4 Missing Symbol Table

Created by: abproj at: 3/7/2007 3:11 PM (2 Replies)

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3/7/2007 3:11 PM	Rate (0)
abproj Posts: 58 Rating: (1)	We are doing a project with multiple S7 414 PLC's Yesterday we got a message that one of the PLC's does not have a symbol table even though it is there. We deleted the symbol table and inserted a new one but the problems is still there. Our MP277 does not work because of the lost symbol table. Any suggestions on how to fix the problem?
abproj Posts: 58 Rating: (1)
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3/7/2007 4:45 PM	Rate (0)
Wizard Diamond Member Joined: 4/24/2006 Last visit: 12/24/2025 Posts: 9097 Rating: (1202)	Hello, Have you tried in WinCC flexible to use the option 'Reconnect' Best regards, Wizard

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3/7/2007 11:02 PM	Rate (0)
Late Platinum Member Joined: 1/7/2006 Last visit: 5/11/2025 Posts: 2705 Rating: (321)	Hi, Which Servicepack do you have of V5.4 and which Hotfix for (I presume) WinCC Flexible 2005 SP1 do you using? Is it the symbol table in STEP7 or the TAG-list in WinCC Flexible that you are missing (or even worse, both)? When missing in STEP7 then you may try, after making a backup, to save as with reorganise slow. If WinCC Flexible don't have any TAGs anymore then you may have lost the connection maybe, connect that first to the CPU and the network where you want to connect to and then rebuild and reconnect the variabeles. If you don't have up-to-date software then don't do anything and first update S7 and WinCC Flexible.
	I hope that the answer will help, if you have still questions, don't hesitate to ask me. All the best, Late Never say never, think in solutions, not in trouble......
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