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ERROR H system (1 out of 2) has gone into redundant mode

Created by: PLC2011 at: 8/7/2017 12:20 PM (8 Replies)

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8/7/2017 12:20 PM	Rate (0)
PLC2011 Posts: 143 Rating: (0)	HELLO in Diagnostic buffer cpu 412-5h this message "system(1 out of 2) has gone into redundant mode" Does it mean there is a fault or not? I read in the help program that the sync module probably has a problem Is that right? Thanks for your precious time Attachment 1.jpg (1528 Downloads)
PLC2011 Posts: 143 Rating: (0)	Last edited by: PLC2011 at: 8/7/2017 12:23:22 PM
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8/7/2017 12:21 PM	Rate (0)
PLC2011 Posts: 143 Rating: (0)	PLC2011 HELLO in Diagnostic buffer cpu 412-5h this message "system(1 out of 2) has gone into redundant mode" Does it mean there is a fault or not? I read in the help program that the sync module probably has a problem Is that right? Thanks for your precious time Attachment 2.jpg (1406 Downloads)
PLC2011 Posts: 143 Rating: (0)	Last edited by: PLC2011 at: 8/7/2017 12:23:46 PM
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8/12/2017 12:55 PM	Rate (0)
PLC2011 Posts: 143 Rating: (0)	please help me...
PLC2011 Posts: 143 Rating: (0)
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8/13/2017 3:22 PM	Rate (0)
hdhosseini Diamond Expert Joined: 1/28/2009 Last visit: 1/5/2026 Posts: 6892 Rating: (1368)	Dear user, The pictures you shared don't help that much to find out the entire scenario.Please save the diagnostics buffer of both CPUs as a text file and share them here to help you what is the exact cause of trouble.To do so, connect to each CPU,Select it in STEP 7 and CTRL+D.In the Diagnostics buffer tab , select Save as. I hope it helps, hdhosseini
	Demo Channel on Youtube
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8/15/2017 11:45 AM	Rate (0)
PLC2011 Posts: 143 Rating: (0)	DEAR MR.HOSSEINI THE PICTURE FROM DIAGNOSTIC Attachment 3.jpg (1420 Downloads)
PLC2011 Posts: 143 Rating: (0)
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8/18/2017 7:16 AM	Rate (0)
Ali00 Advanced Member Joined: 3/19/2015 Last visit: 11/5/2025 Posts: 22 Rating: (0)	Hi can you please check the CPU operation Mode (PLC> operation Mode), it will tell you if you system is running in redundant or not. diagnostic shows that one side of redundant H, master, has been restarted.

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This contribution was helpful to 1 thankful Users PLC2011

8/20/2017 7:33 PM	Rate (0)
PLC2011 Posts: 143 Rating: (0)	hi the picture of operating mode: Attachment operating mode.jpg (1575 Downloads)
PLC2011 Posts: 143 Rating: (0)	Last edited by: Jen_Moderator at: 8/21/2017 9:01:41 AM
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3/25/2022 5:25 AM	Rate (0)
nkr Bronze Member Joined: 5/9/2015 Last visit: 3/18/2025 Posts: 81 Rating: (4)	Dear All, Is there any update on this issue. we are facing the same issue with the CPU 410-5H. Best regards, nkr

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10/22/2024 6:46 PM	Rate (0)
andreas.hall Member Joined: 4/6/2021 Last visit: 11/5/2025 Posts: 1 Rating: (0)	nkr Dear All, Is there any update on this issue. we are facing the same issue with the CPU 410-5H. Best regards, nkr Did you solve it? I have the same problem...

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