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MP377 bad data ####

Created by: LRMS at: 7/31/2020 5:52 PM (4 Replies)

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7/31/2020 5:52 PM	Rate (0)
LRMS Posts: 2 Rating: (0)	I have a control system with two CPU 414-4H connected through X10/IF1B to two MP377 panels. In between the CPUs and one of the MP377 there are two Profibus OLM that appear to be functioning correctly. One of the MP377 shows data correctly but the other one, with OLM, only shows #####. This happened after stopping and restarting the WinCC application in the MP377 panel. I downloaded again the project to the panel but the behavior hasn't changed: only #### instead of data. Attachment bad_data.jpg (130 Downloads)
LRMS Posts: 2 Rating: (0)	Last edited by: LRMS at: 07/31/2020 17:54:12
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7/31/2020 6:49 PM	Rate (0)
Madadi Bronze Member Joined: 12/28/2016 Last visit: 12/14/2025 Posts: 435 Rating: (55)	Hello Please check the task ( CCArchiveManager ) in task manager. It maybe have stopped. Start it and turn in automatic mode.
	Last edited by: Madadi at: 07/31/2020 19:37:09 Last edited by: Madadi at: 07/31/2020 19:42:33 https://pnap.ir If this Information really helps, you could use the Rate function😉
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8/4/2020 6:31 PM	Rate (0)
LRMS Posts: 2 Rating: (0)	I will try it on my next visit to site. But I would expect that a panel reboot would take care of that. Thanks.
LRMS Posts: 2 Rating: (0)	Last edited by: LRMS at: 08/04/2020 18:55:28
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8/5/2020 7:32 AM	Rate (0)
Prof. Frink Platinum Expert Joined: 7/5/2013 Last visit: 1/22/2026 Posts: 3277 Rating: (526)	Hi. Madadi Hello Please check the task ( CCArchiveManager ) in task manager. It maybe have stopped. Start it and turn in automatic mode. I guess you don't find that on a MP377. ### in the IO fields means there is no communication. Do you have a screen with system alarms? There you could check if "connection disconnected". Is there any other Profibus device with the same address? Is the S7-connection of the downloaded application still correct? Regards, Frink
	Pi is exactly three!
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8/6/2020 7:40 PM	Rate (0)
Madadi Bronze Member Joined: 12/28/2016 Last visit: 12/14/2025 Posts: 435 Rating: (55)	Prof. Frink Hi. Madadi Hello Please check the task ( CCArchiveManager ) in task manager. It maybe have stopped. Start it and turn in automatic mode. I guess you don't find that on a MP377. ### in the IO fields means there is no communication. Do you have a screen with system alarms? There you could check if "connection disconnected". Is there any other Profibus device with the same address? Is the S7-connection of the downloaded application still correct? Regards, Frink Hi Frank Yes, of course you have to check the connection between plc and mp377 first. I guessed that maybe there was a connection before and this problem suddenly arose
	https://pnap.ir If this Information really helps, you could use the Rate function😉
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