| SIMATIC S7-400H, CPU 417H CENTRAL UNIT FOR S7-400H 4 INTERFACES: 1 MPI/DP, 1 DP A. 2 FOR SYNC MODULES 4MB MEMORY (2MB CODE/2MB DATA) |
| Supply voltage |
| Rated value (DC) | |
| 24 V DC | Yes |
| Input current |
| from backplane bus 5 V DC, typ. | 1.8 A |
| from backplane bus 5 V DC, max. | 2 A |
| from backplane bus 24 V DC, max. | 300 mA; Total current consumption of the components connected to the MPI/DP interfaces, but no more than 150 mA per interface |
| Power loss |
| Power loss, typ. | 10 W |
| Memory |
| Work memory |
| integrated | 4 Mbyte |
| integrated (for program) | 2 Mbyte |
| integrated (for data) | 2 Mbyte |
| expandable | Yes |
| expandable, max. | 20 Mbyte; up to 10 MB for program, up to 10 MB for data |
| Load memory |
| expandable FEPROM | Yes; with Memory Card (FEPROM) |
| expandable FEPROM, max. | 64 Mbyte |
| integrated RAM, max. | 256 kbyte |
| expandable RAM | Yes; with Memory Card (RAM) |
| expandable RAM, max. | 64 Mbyte |
| Backup |
| present | Yes |
| with battery | Yes; all data |
| without battery | No |
| Battery |
| Backup battery |
| Backup current, typ. | 75 µA |
| Backup current, max. | 860 µA |
| Feeding of external backup voltage to CPU | 5 V DC to 15 V DC |
| CPU processing times |
| for bit operations, typ. | 0.1 µs |
| for word operations, typ. | 0.1 µs |
| for fixed point arithmetic, typ. | 0.1 µs |
| for floating point arithmetic, typ. | 0.6 µs |
| CPU-blocks |
| DB |
| Number, max. | 8 192; DB 0 reserved |
| Size, max. | 64 kbyte |
| FB |
| Number, max. | 6 144 |
| Size, max. | 64 kbyte |
| FC |
| Number, max. | 6 144 |
| Size, max. | 64 kbyte |
| OB |
| Number, max. | see instruction list |
| Size, max. | 64 kbyte |
| Counters, timers and their retentivity |
| S7 counter |
| Number | 512 |
| Retentivity |
| — adjustable | Yes |
| — lower limit | 0 |
| — upper limit | 2 047 |
| — preset | Z 0 to Z 7 |
| Counting range |
| — lower limit | 1 |
| — upper limit | 999 |
| IEC counter |
| present | Yes |
| Type | SFB |
| S7 times |
| Number | 512 |
| Time range |
| — lower limit | 10 ms |
| — upper limit | 9 990 s |
| IEC timer |
| present | Yes |
| Type | SFB |
| Data areas and their retentivity |
| Flag |
| Number, max. | 16 kbyte |
| Retentivity available | Yes; MB 0 to MB 16383 |
| Retentivity preset | MB 0 to MB 15 |
| Address area |
| I/O address area |
| Inputs | 16 kbyte |
| Outputs | 16 kbyte |
| Process image |
| Inputs, adjustable | 16 kbyte; adjustable at the expense of the code area of the RAM |
| Outputs, adjustable | 16 kbyte; adjustable at the expense of the code area of the RAM |
| Inputs, default | 1 024 byte |
| Outputs, default | 1 024 byte |
| Subprocess images |
| Number of subprocess images, max. | 8 |
| Digital channels |
| Inputs | 131 072 |
| — of which central | 131 072 |
| Outputs | 131 072 |
| — of which central | 131 072 |
| Analog channels |
| Inputs | 8 192 |
| — of which central | 8 192 |
| Outputs | 8 192 |
| — of which central | 8 192 |
| Hardware configuration |
| Number of expansion units, 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 |
| Number of DP masters |
| integrated | 2 |
| via CP | 10 |
| via IM 467 | 0 |
| 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, PtP | 64; Limited by number of slots and number of connections |
| CP, LAN | 64; Limited by number of slots and number of connections |
| Slots |
| required slots | 2 |
| Time of day |
| Clock |
| Hardware clock (real-time) | Yes |
| retentive and synchronizable | Yes |
| Operating hours counter |
| Number | 8 |
| Clock synchronization |
| supported | Yes |
| 1. Interface |
| Physics | RS 485 / PROFIBUS |
| Isolated | Yes |
| Protocols |
| MPI | Yes; Default setting |
| PROFIBUS DP master | Yes |
| PROFIBUS DP slave | No |
| MPI |
| Number of connections | 44 |
| Transmission rate, max. | 12 Mbit/s |
| 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 |
| PROFIBUS DP master |
| Number of connections, max. | 32; of which 1 reserved for PG, 1 for OP |
| Transmission rate, max. | 12 Mbit/s |
| Number of DP slaves, max. | 32; Number of slots, max. 512 |
| 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 | No |
| — SYNC/FREEZE | No |
| — Activation/deactivation of DP slaves | No |
| — Direct data exchange (slave-to-slave communication) | No |
| Address area |
| — Inputs, max. | 2 kbyte |
| — Outputs, max. | 2 kbyte |
| User data per DP slave |
| — Inputs, max. | 244 byte |
| — Outputs, max. | 244 byte |
| — per slot, max. | 244 byte |
| 2. Interface |
| Physics | RS 485 / PROFIBUS |
| Isolated | Yes |
| Protocols |
| PROFIBUS DP master | Yes |
| PROFIBUS DP slave | No |
| Point-to-point connection | No |
| PROFIBUS DP master |
| Number of connections, max. | 16; For PG/OP communication |
| Transmission rate, max. | 12 Mbit/s |
| Number of DP slaves, max. | 125; Number of slots, max. 2048 |
| 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 | No |
| — SYNC/FREEZE | No |
| — Activation/deactivation of DP slaves | No |
| — Direct data exchange (slave-to-slave communication) | No |
| Address area |
| — Inputs, max. | 8 kbyte |
| — Outputs, max. | 8 kbyte |
| 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 kbyte |
| S5 compatible communication |
| supported | Yes; via CP and loadable FC |
| User data per job, max. | 8 kbyte |
| 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 |
| Weights |
| Weight, approx. | 1 070 g |
| last modified: | 03/13/2019 |
