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Connection disconnected in 1 sec

1/26/2012 2:07 PM	Rate (0)
Klusser Advanced Member Joined: 3/30/2010 Last visit: 1/15/2026 Posts: 43 Rating: (2)	I have a WinCC V7 SP2 upd5project with 2 CPU's (315F 2PN/DP V3.2.6, and 315-2PN/DP V3.2.6) PLC 315-2PN/DP is communicating fine with WinCC, but the PLC 315F not. The 315F PLC is connecting every 4 sec, but disconnect directl (mostly 1 sec, see attachment) The 315F PLC has a subnet with 3x IM 151-3PN (see attachment)on the same ethernet network, also 2 panels. A previous similar project is working fine. I've checked all settings tripple times, including adress ranges. Any suggestions? Attachment screendump error message.jpg (472 Downloads)

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1/26/2012 9:28 PM	Rate (1)
Jarek-PL Posts: 49 Rating: (4)	hello You have only WinCC nad Simatic S7-300 or you have PCS7 project ? if you have only WinCC try unmark Cycle managemt by PLC in system parameters on your driver connection
Jarek-PL Posts: 49 Rating: (4)
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1/26/2012 9:45 PM	Rate (1)
KhalDrogo Posts: 71 Rating: (12)	What is the size of PLC 315F OB1 cycle? Please, try to execute ...System Parametrs->SIMATIC S7 Tab->Cycle managment Uncheck By PLC temporarily.
KhalDrogo Posts: 71 Rating: (12)
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1/26/2012 10:20 PM	Rate (0)
KhalDrogo Posts: 71 Rating: (12)	Sorry, I have not seen the post before
KhalDrogo Posts: 71 Rating: (12)
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1/27/2012 9:57 AM	Rate (0)
Klusser Advanced Member Joined: 3/30/2010 Last visit: 1/15/2026 Posts: 43 Rating: (2)	Thanks a lot for your information !!!!! The problem is solved, but.... I have still 2 questions: 1/ I wonder why it is a problem now. The CPU cycle time is between 2 and 12 ms (see attachment). And it isnot a PCS7 project. 2/ Does this actions have any consequenses for my project....? It is not clear for me what this option does (or doesn't) Any suggestions? Attachment cycle time CPU315F.jpg (416 Downloads)

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1/31/2012 1:28 PM	Rate (0)
April Posts: 1776 Rating: (95)	Hi, press the help button of the system parameter of the connection window (where you unmark the cycle management "by PLC" also the the online help for Cyclic read services in PLC I dont believe that there are some bad influences to your system
April Posts: 1776 Rating: (95)
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3/25/2019 2:34 PM	Rate (0)
Grzesiek_M Posts: 20 Rating: (0)	Where is that window?
Grzesiek_M Posts: 20 Rating: (0)
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