| | SIMATIC S7-400H, CPU 414H CENTRAL UNIT FOR S7-400H AND S7-400F/FH, 4 INTERFACES: 1 MPI/DP, 1 DP AND 2 FOR SYNC MODULES, 1.4 MB MEMORY (700 KB DATA/700 KB CODE) |
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| Supply voltage |
| 24 V DC | Yes |
| Input current |
| from backplane bus 5 V DC, typ. | 1800 A |
| from backplane bus 5 V DC, max. | 2 A |
| Power losses |
| Power loss, typ. | 4.5 W |
| Backup battery |
| Battery operation | |
| Backup current, typ. | 550 µA |
| Backup current, max. | 1530 µA |
| Feeding of external backup voltage to CPU | 5 to 15 VDC |
| Memory |
| Work memory |
| integrated (for program) | 700 kbyte |
| integrated (for data) | 700 kbyte |
| expandable | No |
| Load memory |
| expandable FEPROM | Yes; with Memory Card (FLASH) |
| expandable FEPROM, max. | 64 Mbyte |
| integrated RAM, max. | 256 kbyte |
| 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. | 0.06 µs |
| for word operations, min. | 0.06 µs |
| for fixed point arithmetic, min. | 0.06 µs |
| for floating point arithmetic, min. | 0.18 µs |
| CPU-blocks |
| DB |
| Number, max. | 4095; DB 0 reserved |
| Size, max. | 64 kbyte |
| FB |
| Number, max. | 2048 |
| Size, max. | 64 kbyte |
| FC |
| Number, max. | 2048 |
| Size, max. | 64 kbyte |
| OB |
| Number, max. | see instruction list |
| Size, max. | 64 kbyte |
| Nesting depth |
| per priority class | 24 |
| 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 | 0 |
| 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. | 8 kbyte |
| Retentivity available | Yes; MB 0 to MB 8191 |
| Retentivity preset | MB 0 to MB 15 |
| Data blocks |
| Number, max. | 4096; DB 0 reserved |
| Size, max. | 64 kbyte |
| Address area |
| I/O address area |
| Inputs | 8 kbyte |
| Outputs | 8 kbyte |
| of which, distributed |
| MPI/DP interface, inputs | 2 kbyte |
| MPI/DP interface, outputs | 2 kbyte |
| DP interface, inputs | 6 kbyte |
| DP interface, outputs | 6 kbyte |
| Process image |
| Inputs, adjustable | 8 kbyte |
| Outputs, adjustable | 8 kbyte |
| Inputs, default | 1024 byte |
| Outputs, default | 1024 byte |
| Subprocess images |
| Number of subprocess images, max. | 8 |
| Digital channels |
| Inputs | 65536 |
| Outputs | 65536 |
| Inputs, of which central | 65536 |
| Outputs, of which central | 65536 |
| Analog channels |
| Inputs | 4096 |
| Outputs | 4096 |
| Inputs, of which central | 4096 |
| Outputs, of which central | 4096 |
| 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 | 32; Limited by number of slots and number of connections |
| CP, point-to-point | 32; Limited by number of slots and number of connections |
| CP, LAN | 32; 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 | Назад в раздел
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