
| CPU-1511-1PN | CPU-1513-1PN | CPU-1516-3PN/DP | |
| Size | 35*125*130 | 35*125*130 | 35*125*130 |
| Temperature range | 0…60°C | 0…60°C | 0…60°C |
| Work memory | 150 KB For Program 1MB For Data | 300 KB For Program 1.5 MB For Data | 1 MB For Program 5MB For Data |
| Load memory/mass storage,max | 2 GB (via SIMATIC memory card) | 2 GB (via SIMATIC memory card) | 2 GB (via SIMATIC memory card) |
| I/O address area, max | 32 KB | 32 KB | 32 KB |
| I/O modules on CPU | Yes | Yes | Yes |
| I/O Modules On Profinet | Yes Via CM | Yes Via CM | Yes Via CM |
| I/O Modules On Profinet | Yes | Yes | Yes |
| Bit Memory | 16 KB | 16 KB | 16 KB |
| S7 Timers | 2048 | 2048 | 2048 |
| S7 Counters | 2048 | 2048 | 2048 |
| IEC Timers/Counters | Yes | Yes | Yes |
| Data Block Size | 1 MB | 1.5 MB | 5 MB |
| Configuration/Programming Software | Step7 V12 | Step7 V12 | Step7 V12 |
| Programming languages | LAD, FBD, STL, S7-SCL | LAD, FBD, STL, S7-SCL | LAD, FBD, STL, S7-SCL |