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CPU stop

Created by: Kennet Andreasen at: 6/2/2020 7:58 AM (8 Replies)

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6/2/2020 7:58 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	Hi all I need your inputs! A customer has a S5-100U CPU103 which goes in stop at night so they cant put it in run in the morning. The temporary remedy is to upload the program to PG delete all blocks in Cpu, put the Cpu in run, download all blocks and then they can work the whole day! There was a OP connected, it is now disconnected. Fault messages are attached All ideas are very welcome Attachment 20200602_072500.jpg (105 Downloads)

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6/2/2020 8:36 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/28/2023 Posts: 30890 Rating: (3838)	Please, can you make also photos of B-STACK and I-STACK?

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6/2/2020 8:39 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	Thanks for reply - I will But it will be tomorrow morning if the fault is there again

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6/3/2020 8:29 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	This morning the CPU was still in run. The difference from yesterday is that the OP panel is not connected

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6/4/2020 7:35 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	Hi Ixo65 Here's photos. I think B stack was "empty or incomplete". Interrupt stack "I/O not ready". Can it be a I/O module faulty? How to find out which one? Attachment 20200604_064614.jpg (86 Downloads)
	Last edited by: Kennet Andreasen at: 06/04/2020 07:37:29
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6/4/2020 7:36 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	Attachment 20200604_064629.jpg (85 Downloads)

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6/4/2020 7:53 AM	Rate (0)
ixo65 Grandmaster Joined: 12/18/2014 Last visit: 9/28/2023 Posts: 30890 Rating: (3838)	An extract from the manual is attached. Attachment S5-100U Manual page 90.pdf (77 Downloads)

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6/4/2020 8:46 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	Thank you very much, We changed the battery this morning just to be sure it's ok. So it is PEU which is causing the stop? So most likely it is related to I/O bus modules or modules? Power supply maybe? Do you know any way to "reset" the fault without reloading the program to the CPU?

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6/12/2020 8:54 AM	Rate (0)
Kennet Andreasen Regular Member Joined: 3/5/2019 Last visit: 4/6/2022 Posts: 9 Rating: (0)	It has been working well for 6 days now after we changed the battery. So maybe that was causing the problem?

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