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lamp_lamprop
Junior
Joined: 03 Apr 2012
Posts: 1
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 Posted: 29/01/2013 19:47 Post subject: Cannot go to run mode in s7-1211 |
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Hello. I have an s7-1211c dc/dc/dc cpu and without a problem previously, today when I put on voltage, it couldn't go to run mode.The error led is on. I don't know the reason why that happens. I made a reset to factory settings but nothing changed. I found a message in diagnostics buffer like this "double cycle time exceeded" etc . Now in the diagnostics buffer I read about ID number 4000.
I don't know what to do.Can anyone please help me?
Thank you |
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rott
Senior
Joined: 23 Aug 2011
Posts: 2266
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| Posted: 29/01/2013 23:03 Post subject: Re: Cannot go to run mode in s7-1211 |
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| lamp_lamprop wrote: | Hello. I have an s7-1211c dc/dc/dc cpu and without a problem previously, today when I put on voltage, it couldn't go to run mode.The error led is on. I don't know the reason why that happens. I made a reset to factory settings but nothing changed. I found a message in diagnostics buffer like this "double cycle time exceeded" etc . Now in the diagnostics buffer I read about ID number 4000.
I don't know what to do.Can anyone please help me?
Thank you |
lamp_lamprop,
Please see this considerations.....
http://plc.myforum.ro/viewtopic.php?p=6401#6401 |
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