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SLOWLY OPERATION&REACTION

Created by: KABASAKAL at: 5/29/2006 3:32 PM (3 Replies)

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5/29/2006 3:32 PM	Rate (0)
KABASAKAL Member Joined: 5/29/2006 Last visit: 9/12/2024 Posts: 3 Rating: (0)	Hello, We used PCS7 V5.2 Redundant PLC&WinCC Server in acogeneration project.My problem is, when turbinegoesto shut-down,too many alarm messagesare coming suddenly from modbus.We used PCS7 block "digmon" for creating messages&tags.After receiving these too many messages, WinCC works very slowly and cannot be operated anymore.After a certain period system returns to its normal operation.How can this problem be solved? Best regards.

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5/29/2006 4:36 PM	Rate (0)
Nemo Posts: 3149 Rating: (171)	Hi, well, such a message overflow is quite serious - first of allyou should try to avoid something like this, because messages can be lost in Alarmlogging. If you check STEP online help for "message overflow > overflow of message buffer" you can find a hint in the manuals, which is e.g. usefull during commissioning with "flickering" signals.... nemo
Nemo Posts: 3149 Rating: (171)	Last edited by: Nemo at: 5/29/2006 4:36 PM
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5/30/2006 10:49 AM	Rate (0)
KABASAKAL Member Joined: 5/29/2006 Last visit: 9/12/2024 Posts: 3 Rating: (0)	Hello Nemo, First of all thank you very much for your reply.Could you please send us online help link for this topic.Because we could not find this manual. Best regards.[:blush:]

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5/30/2006 12:16 PM	Rate (0)
Nemo Posts: 3149 Rating: (171)	Hi, here is the link, check chapter 5.9 http://support.automation.siemens.com/WW/view/en/21407752 nemo
Nemo Posts: 3149 Rating: (171)
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