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Memory card problem

9/28/2013 7:22 AM	Rate (0)
kalaikovann Posts: 7 Rating: (0)	Dear Expert, I am new to s7-400 System .I am using CPU-416-2Dp , 6ES79521AL000-AA0 RAM Memory card and 6ES74050DA020AA0 PS 405-4A Power supply .My Problem was during power failure my program getting deleted. I changed new power supply backup battery and new memory card then also the problem was not rectified. Please give some valuable suggestion…
kalaikovann Posts: 7 Rating: (0)
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9/28/2013 8:42 AM	Rate (0)
Ayman Elotaify Diamond Member Joined: 5/28/2008 Last visit: 1/8/2026 Posts: 4522 Rating: (843)	kalaikovann Dear Expert, I am new to s7-400 System .I am using CPU-416-2Dp , 6ES79521AL000-AA0 RAM Memory card and 6ES74050DA020AA0 PS 405-4A Power supply .My Problem was during power failure my program getting deleted. I changed new power supply backup battery and new memory card then also the problem was not rectified. Please give some valuable suggestion… Hello, May be the following link will help you: Why is a battery fault signaled when you insert a back-up battery, even though the battery is new?
	Ayman Elotaify
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9/29/2013 1:50 PM	Rate (0)
CS Moderator Moderator Joined: 9/1/2005 Last visit: 1/9/2026 Posts: 4114 Rating: (195)	Thread closed, because question is already published in the following thread Memory card problem Best regards CS Moderator
	My Forum is the place to personalize your profile, track your topics, and maintain content that interests you. Best regards CS Moderator
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