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Data loss on MCC card

Created by: KGI at: 12/13/2010 3:56 PM (1 Replies)

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12/13/2010 3:56 PM	Rate (0)
KGI Posts: 64 Rating: (0)	I have a configuration with a 6ES7 315-2AG10-0AB0 / V2.6 and a MCC card. We had a power loss in the plant a few weeks ago. When the power came back on, the actual values on the operating panel where different then before the power failure. Is this possible? - has it something to do with intial values are overwriting actual values when they are different? - has it something to do with that not all DB's are remanent on the MCC card? Can somebody help me out? Regards, KGI
KGI Posts: 64 Rating: (0)
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12/13/2010 5:52 PM	Rate (0)
UMENCHO Diamond Member Joined: 3/21/2006 Last visit: 10/7/2024 Posts: 10229 Rating: (1181)	Hello, Check there: What points do you need to remember during the handling of micro memory cards? and What is the effect of the STEP 7 function "Copy RAM to ROM"? Hope this will helps. Best regards, Hristo Mihalev

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