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Siemens AG
Entry type: Product note Entry ID: 4150288, Entry date: 08/27/1996

Use of 377 RAM Submodule With Battery Backup in S5-155U

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  • Associated product(s)


Concerns products with the Order Nos.:                                      


6ES5 377-0BB41   RAM submodule with battery backup                          

6ES5 355-3UA11   355 memory module for S5-155U                              

6ES5 155-3UA11   S5-155U central controller                                 

6ES5 155-3UA21   S5-155U central controller                                 




The 377-0BB41 RAM submodule with backup can be used in the                  

355 memory module. However, the backup function is not available            

because after plugging in of the RAM submodule, the latter will             

be erased upon startup (same response as RAM without backup).               




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