| CPU | Performance segment | PROFIBUS interfaces | PROFINET interfaces | Work memory for software | Work memory for data | Processing time for bit operations | note |
|---|---|---|---|---|---|---|---|
| CPU 1511-1 PN | Standard CPU for smaller to mid-range applications 6ES7511-1AL03-0AB0 | – | 1 | 300 kB | 1.5 MB | 60 ns | |
| CPU 1511C-1 PN | Standard compact CPU for smaller to mid-range applications 6ES7511-1CK01-0AB0 | – | 1 | 175 kB | 1 MB | 60 ns | 16 DI, 16 DO, 5 AI, 2 AO |
| CPU 1511F-1 PN | Fail-safe CPU for smaller to mid-range applications 6ES7511-1FL03-0AB0 | – | 1 | 450 kB | 1.5 MB | 60 ns | |
| CPU 1512C-1 PN | Standard compact CPU for smaller to mid-range applications 6ES7512-1CK01-0AB0 | – | 1 | 250 kB | 1.5 MB | 48 ns | 32 DI, 32 DO, 5 AI, 2 AO |
| CPU 1513-1 PN | Standard CPU for mid-range applications 6ES7513-1AM03-0AB0 | – | 1 | 600 kB | 2.5 MB | 40 ns | |
| CPU 1513F-1 PN | Fail-safe CPU for mid-range applications 6ES7513-1FM03-0AB0 | – | 1 | 900 kB | 2.5 MB | 40 ns | |
| CPU 1513R-1 PN | Redundant CPU for mid-range applications 6ES7513-1RM03-0AB0 | – | 1 | 600 kB | 2.5 MB | 50 ns | |
| CPU 1515-2 PN | Standard CPU for mid-range to large applications 6ES7515-2AN03-0AB0 | – | 2 | 1 MB | 4.5 MB | 30 ns | |
| CPU 1515F-2 PN | Fail-safe CPU for mid-range to large applications 6ES7515-2FN03-0AB0 | – | 2 | 1.5 MB | 4.5 MB | 30 ns | |
| CPU 1515R-2 PN | Redundant CPU for mid-range applications 6ES7515-2RN03-0AB0 | – | 2 | 1 MB | 4.5 MB | 20 ns | |
| CPU 1516-3 PN/DP | Standard CPU for high-end applications and communication tasks 6ES7516-3AP03-0AB0 | 1 | 2 | 2 MB | 7.5 MB | 10 ns | |
| CPU 1516F-3 PN/DP | Fail-safe CPU for high-end applications and communication tasks 6ES7516-3FP03-0AB0 | 1 | 2 | 3 MB | 7.5 MB | 10 ns | |
| CPU 1517-3 PN/DP | Standard CPU for demanding applications and communication tasks 6ES7517-3AP00-0AB0 | 1 | 2 | 2 MB | 8 MB | 2 ns | |
| CPU 1517F-3 PN/DP | Fail-safe CPU for demanding applications and communication tasks 6ES7517-3FP00-0AB0 | 1 | 2 | 3 MB | 8 MB | 2 ns | |
| CPU 1517H-3 PN | Redundant CPU for demanding applications and communication tasks 6ES7517-3HP00-0AB0 | 1 | 2 | 2 MB | 8 MB | 4 ns | |
| CPU 1518-4 PN/DP | Standard CPU for high-performance applications, demanding communication tasks and very short reaction times 6ES7518-4AP00-0AB0 | 1 | 3 | 6 MB | 60 MB | 1 ns | |
| CPU 1518F-4 PN/DP | Fail-safe CPU for high-performance applications, demanding communication tasks and very short reaction times 6ES7518-4FP00-0AB0 | 1 | 3 | 9 MB | 60 MB | 1 ns | |
| CPU 1518-4 PN/DP MFP | Standard CPU for high-performance applications, demanding communication tasks and very short reaction times 6ES7518-4AX00-1AC0 | 1 | 3 | 6 MB | 60 MB + 50 MB CPU Library | 1 ns | |
| CPU 1518F-4 PN/DP MFP | Standard CPU for high-performance applications, demanding communication tasks and very short reaction times 6ES7518-4FX00-1AC0 | 1 | 3 | 9 MB | 60 MB + 50 MB CPU Library | 1 ns | |
| CPU 1518HF-4 PN | Redundant CPU for high-performance applications, demanding communication tasks and very short reaction times 6ES7518-4JP00-0AB0 | 1 | 3 | 9 MB | 60 MB | 4 ns | |
color codes:
| Page | Date | User | Tags |
|---|---|---|---|
| 2023/08/22 09:19 | simatic, s7, scl, datatype, ieee 754, string, wstring, s5time, indirect addressing, slice access, plc, tia | ||
| 2023/05/25 17:38 | cpu, plc, s7-1500, simatic, types, 1511-1, 1511c-1, 1511f-1, 1512c-1, 1513-1, 1513f-1, 1513r-1, 1515-2, 1515f-2, 1515r-2, 1516-3, 1516f-3, 1517-3, 1517f-3, 1517h-3, 1518-4, 1518f-4, 1518hf-4, pn dp, profinet, profibus, compact, fail-safe, redundand |
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