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The below model number of Siemens will updated to be new model number, kindly please check and for your reference.
| OLD MLFB | MLFB Successor | Product |
| 6ES7515-2UM01-0AB0 | 6ES7515-2UN03-0AB0 | CPU 1515TF-2 PN |
| 6ES7511-1AK02-0AB0 | 6ES7511-1AL03-0AB0 | CPU 1511-1 PN |
| 6ES7511-1FK02-0AB0 | 6ES7511-1FL03-0AB0 | CPU 1511F-1 PN |
| 6ES7511-1TK01 -0AB0 | 6ES7511-1TL 03-0AB0 | CPU 1511T-1 PN |
| 6ES7511-1UK01-0AB0 | 6ES7511-1UL03-0AB0 | CPU 1511TF-1PN |
| 6ES7513-1AL 02-0AB0 | 6ES7513-1AM03-0AB0 | CPU 1513-1 PN |
| 6ES7513-1FL02-0AB0 | 6ES7513-1FM03-0AB0 | CPU 1513F-1 PN |
| 6ES7516-3AN02-0AB0 | 6ES7516-3AP03-0AB0 | CPU 1516-3 PN/DP |
| 6ES7516-3FN02-0AB0 | 6ES7516-3FP03-0AB0 | CPU 1516F-3 PN/DP |
| 6ES7510-1DJ01-0AB0 | 6ES7510-1DK03-0AB0 | CPU 1510SP-1 PN |
| 6ES7510-1SJ01-0AB0 | 6ES7510-1SK03-0AB0 | CPU 1510SP F-1 PN |
| 6ES7512-1DK01-0AB0 | 6ES7512-1DM03-0AB0 | CPU 1512SP-1 PN |
| 6ES7512-1SK01-0AB0 | 6ES7512-1SM03-0AB0 | CPU 1512SP F-1 PN |
| 6ES7515-2FM02-0AB0 | 6ES7515-2FN03-0AB0 | CPU 1515F-2 PN |
| 6ES7515-2AM02-0AB0 | 6ES7515-2AN03-0AB0 | CPU 1515-2 PN |
| 6ES7515-2TM01-0AB0 | 6ES7515-2TN03-0AB0 | CPU 1515T-2 PN |