11/7/2016 6:03 PM | |
Joined: 1/21/2013 Last visit: 10/8/2024 Posts: 4620 Rating: (708) |
Hello martin, Probably you have low battery, usually the RAM is used in the commissioning phase, then when everything is ok, you should insert the FEPROM and save within her the program so you're sure not to lose data when power failure. Below some infos: Difference in RAM card and memory card FEPROM for CPUs S7-400 ... Why do we use RAM card? - Entries - Forum - Industry Support ... How can I get an overview of the S7-400 memory concept? - ID ... How can you write the program to the FLASH Memory Card when ... Which memory cards can you use with a S7-400 CPU? - ID: 73159687 ... You wrote: My question is if this means that I should replace plc or RAM or this can be a problem not likely to occur again. Plc and ram is 10 years old. Can last for much more, I have that were installed in 1998 |
Last edited by: Ste39 at: 11/7/2016 6:12:28 PM |
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1/18/2017 11:02 PM | |
Posts: 9 Rating: (0) |
Dear martinrelayer, I have the same problem here. How did you solve your problem? Could you help me please? Best regards Romero Spinasse |
7/27/2017 4:55 PM | |
Posts: 60 Rating: (0) |
i've ended changing CPU because some months later, CPU broke down |
This contribution was helpful to1 thankful Users |
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