10/14/2015 7:00 AM | |
Posts: 11 Rating:
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Dear friend Please explain to me a question : - I have a cutting line from Slovakia using s7-400,I make some modifications in PLC program and download to PLC, everything is ok.But sometime PLC battery is low or defected battery, the programe will back to original program.I would like to ask when i repair and download to PLC, which place is used for storing Program, RAM or ROM .( in this case we not use memory card). Best regards ------------------------------------------------------------------------------------------ |
Last edited by: Min_Moderator at: 10/14/2015 2:29:42 PMNew subject after splitting |
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10/14/2015 7:10 AM | |
Joined: 1/28/2009 Last visit: 8/5/2024 Posts: 6844 Rating:
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Hello , Your issue for S7-400 discussed in the following FAQ: How can you write the program to the FLASH Memory Card when using a SIMATIC S7-400 CPU?I hope this helps, hdhosseini |
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10/15/2015 10:07 AM | |
Posts: 11 Rating:
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Dear All Thanks reply me soon. it's very helful |
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