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S7 400 H system Problem

7/30/2013 9:43 AM	Rate (0)
manmohan Posts: 16 Rating: (0)	Dear Marcjan, I have one S7 400 H system with 412-3H cpu with firmware version 4.5. Redundancy is alreay working fine, But it fails when there is force in the system. kindly help me
manmohan Posts: 16 Rating: (0)
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7/30/2013 10:13 AM	Rate (0)
fritz Diamond Expert Joined: 10/7/2005 Last visit: 1/13/2026 Posts: 3054 Rating: (1062)	Hello manmohan please have a look at the FAQ Forcing with H CPUs V4.5.0which seems to fit your problem. If so, I suggest you upgrade both CPU's tothe latestfirmware. Shouldthe above not fix yourproblem, please provide us with more details. I hope this helps
	Cheers fritz The advice and opinion given in this thread is that of the author and does not necessarily reflect the views of I S Systems Pty Limited. To find out how I S Systems can help you with your automation needs please visit www.issystems.com.au.
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This contribution was helpful to 1 thankful Users H-H

9/4/2013 2:20 PM	Rate (0)
manmohan Posts: 16 Rating: (0)	Dear Marcjan, As per your solution i have changed the version of both H CPU's to 4.5.6 but the problem still remains same. Kindly suggest how to resolve this problem. regards, Manmohan
manmohan Posts: 16 Rating: (0)
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9/25/2013 1:54 PM	Rate (0)
BigCologne Member Joined: 4/3/2013 Last visit: 9/16/2025 Posts: 9 Rating: (0)	Hello manmohan, in the diagnostic Bufer of the PLC you will find more details about the reason of Redundancy failling. Please check it and if you need more help try to contact the siemens technical online support unter follwing link: http://support.automation.siemens.com/WW/view/en/16605032 Best regards

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