| SIMATIC S7-400H, CPU 417H CENTRAL UNIT FOR S7-400H 4 INTERFACES: 1 MPI/DP, 1 DP A. 2 FOR SYNC MODULES 20MB MEMORY (10MB CODE/10MB DATA) |
| Supply voltage |
| 24 V DC | Yes |
| Input current |
| from backplane bus 5 V DC, max. | 1.7 A |
| Power losses |
| Power loss, typ. | 6 W |
| Backup battery |
| Battery operation | |
| Backup current, typ. | 600 µA |
| Backup current, max. | 1810 µA |
| Feeding of external backup voltage to CPU | 5 to 15 VDC |
| Memory |
| Work memory |
| integrated | 20 Mbyte |
| expandable | No |
| Load memory |
| expandable FEPROM | Yes; with Memory Card (FLASH) |
| expandable FEPROM, max. | 64 Mbyte |
| integrated RAM, max. | 256 Kibyte |
| expandable RAM | Yes; with Memory Card (RAM) |
| expandable RAM, max. | 16 Mbyte |
| Backup |
| present | Yes |
| with battery | Yes; all data |
| without battery | No |
| CPU processing times |
| for bit operations, min. | 0.03 µs |
| for word operations, min. | 0.03 µs |
| for fixed point arithmetic, min. | 0.03 µs |
| for floating point arithmetic, min. | 0.09 µs |
| CPU-blocks |
| DB |
| Number, max. | 8192; DB 0 reserved |
| FB |
| Number, max. | 6144 |
| Size, max. | 64 Kibyte |
| FC |
| Number, max. | 6144 |
| Size, max. | 64 Kibyte |
| OB |
| Number, max. | see instruction list |
| Size, max. | 64 Kibyte |
| Nesting depth |
| per priority class | 24 |
| additional within an error OB | 2 |
| Counters, timers and their retentivity |
| S7 counter |
| Number | 2048 |
| Retentivity |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 2047 |
| preset | Z 0 to Z 7 |
| Counting range |
| lower limit | 1 |
| upper limit | 999 |
| IEC counter |
| present | Yes |
| Type | SFB |
| S7 times |
| Number | 2048 |
| Time range |
| lower limit | 10 ms |
| upper limit | 9990 s |
| IEC timer |
| present | Yes |
| Type | SFB |
| Data areas and their retentivity |
| Flag |
| Number, max. | 16 Kibyte |
| Retentivity available | Yes; MB 0 to MB 16383 |
| Retentivity preset | MB 0 to MB 15 |
| Data blocks |
| Number, max. | 8192; DB 0 reserved |
| Size, max. | 64 Kibyte |
| Address area |
| I/O address area |
| Inputs | 16 Kibyte |
| Outputs | 16 Kibyte |
| of which, distributed |
| MPI/DP interface, inputs | 2 Kibyte |
| MPI/DP interface, outputs | 2 Kibyte |
| DP interface, inputs | 8 Kibyte |
| DP interface, outputs | 8 Kibyte |
| Process image |
| Inputs, adjustable | 16 Kibyte |
| Outputs, adjustable | 16 Kibyte |
| Inputs, default | 1024 byte |
| Outputs, default | 1024 byte |
| Subprocess images |
| Number of subprocess images, max. | 8 |
| Digital channels |
| Inputs | 131072 |
| Outputs | 131072 |
| Inputs, of which central | 131072 |
| Outputs, of which central | 131072 |
| Analog channels |
| Inputs | 8192 |
| Outputs | 8192 |
| Inputs, of which central | 8192 |
| Outputs, of which central | 8192 |
| Hardware configuration |
| Expansion devices, max. | 21 |
| Multicomputing | No |
| Interface modules |
| Number of connectable IMs (total), max. | 6 |
| Number of connectable IM 460s, max. | 6 |
| Number of connectable IM 463s, max. | 6; IM 463-2 |
| Number of DP masters |
| integrated | 2 |
| via IM 467 | 0 |
| via CP | 10 |
| Mixed mode IM + CP permitted | No; IM 467 cannot be used jointly with CP 443-5 Ext. |
| via interface module | 0 |
| Number of operable FMs and CPs (recommended) |
| FM | 64; Limited by number of slots and number of connections |
| CP, point-to-point | 64; Limited by number of slots and number of connections |
| CP, LAN | 64; Limited by number of slots and number of connections |
| Time of day |
| Clock |
| Hardware clock (real-time clock) | Yes |
| battery-backed and synchronizable | Yes |
| Operating hours counter |
| Number | 8 |
| Clock synchronization |
| supported | Yes |
| 1st interface |
| Physics | RS 485 / PROFIBUS |
| Isolated | Yes |
| Functionality |
| MPI | Yes; Default setting |
| DP master | Yes |
| DP slave | No |
| MPI |
| Number of connections | 44 |
| Services |
| PG/OP communication | Yes |
| Global data communication | No |
| S7 basic communication | No |
| S7 communication | Yes |
| S7 communication, as client | Yes |
| S7 communication, as server | Yes |
| Transmission rate, max. | 12 Mbit/s |
| DP master |
| Number of connections, max. | 32 |
| Services |
| PG/OP communication | Yes |
| Global data communication | No |
| S7 basic communication | No |
| S7 communication | No |
| S7 communication, as client | No |
| S7 communication, as server | No |
| Equidistance mode support | No |
| SYNC/FREEZE | No |
| Activation/deactivation of DP slaves | No |
| Direct data exchange (slave-to-slave communication) | No |
| Transmission rate, max. | 12 Mbit/s |
| Number of DP slaves, max. | 32; Number of slots, max. 512 |
| Address area |
| Inputs, max. | 2 Kibyte |
| Outputs, max. | 2 Kibyte |
| User data per DP slave |
| Inputs, max. | 244 byte |
| Outputs, max. | 244 byte |
| 2nd interface |
| Physics | RS 485 / PROFIBUS |
| Isolated | Yes |
| Functionality |
| DP master | Yes |
| DP slave | No |
| Local Operating Network | No |
| DP master |
| Number of connections, max. | 32 |
| Services |
| PG/OP communication | Yes |
| Global data communication | No |
| S7 basic communication | No |
| S7 communication | No |
| S7 communication, as client | No |
| S7 communication, as server | No |
| Equidistance mode support | No |
| SYNC/FREEZE | No |
| Activation/deactivation of DP slaves | No |
| Direct data exchange (slave-to-slave communication) | No |
| Transmission rate, max. | 12 Mbit/s |
| Number of DP slaves, max. | 125; Number of slots, max. 2048 |
| Address area |
| Inputs, max. | 8 Kibyte |
| Outputs, max. | 8 Kibyte |
| User data per DP slave |
| Inputs, max. | 244 byte |
| Outputs, max. | 244 byte |
| Communication functions |
| PG/OP communication | Yes |
| Global data communication |
| supported | No |
| S7 basic communication |
| supported | No |
| S7 communication |
| supported | Yes |
| as server | Yes |
| as client | Yes |
| User data per job, max. | 64 Kibyte |
| S5-compatible communication |
| supported | Yes; via CP and loadable FC |
| User data per job, max. | 8 Kibyte |
| Standard communication (FMS) |
| supported | Yes; Via CP and loadable FB |
| User data per job, max. | Dependent on CP |
| Number of connections |
| overall | 64 |
| usable for PG communication | |
| reserved for PG communication | 1 |
| Adjustable for PG communication, max. | 0 |
| usable for OP communication | |
| reserved for OP communication | 1 |
| adjustable for OP communication, max. | 0 |
| usable for S7 basic communication | |
| Reserved for S7 basic communication | 0 |
| adjustable for S7 basic communication, max. | 0 |
| usable for routing | |
| Reserved for routing | 0 |
| adjustable for routing, max. | 0 |
| S7 message functions |
| Number of login stations for message functions, max. | 16 |
| Configuration |
| Configuration software |
| STEP 7 | Yes; V5.0 SP2 |
| programming |
| Programming language |
| LAD | Yes |
| FBD | Yes |
| STL | Yes |
| SCL | Yes |
| CFC | Yes |
| GRAPH | Yes |
| HiGraph® | Yes |
| Know-how protection |
| User program protection/password protection | Yes |
| Dimensions |
| Width | 50 mm |
| Height | 290 mm |
| Depth | 219 mm |
| Required slots | 2 |
| Weight |
| Weight, approx. | 1070 g |
