| | SIMATIC S7-300, CPU 316-2DP CPU WITH INTEGRATED 24 V DC POWER SUPPLY, 128 KBYTE WORKING MEMORY 2ND INTERF. DP-MASTER/SLAVE |
| |
| Supply voltage |
| Rated voltage/DC | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| Input current |
| Rated value at 24 V DC | 1000 mA |
| Inrush current, max. | 8 A |
| Power losses |
| Power loss, max. | 8 W |
| Memory |
| Work memory |
| integrated | 128 kbyte; 128 KB / 42K instructions RAM (integrated) |
| Load memory |
| expandable FEPROM | Yes; Flash-EPROM |
| expandable FEPROM, max. | 4 Mbyte |
| integrated RAM, max. | 192 kbyte |
| Backup |
| present | Yes |
| with battery | Yes; all blocks |
| without battery | Yes; 4 KB: bit memory, counter, times and data |
| CPU processing times |
| for bit operations, min. | 0.3 µs |
| for bit operations, max. | 0.6 µs |
| for word operations, min. | 1 µs |
| for fixed point arithmetic, min. | 2 µs |
| for floating point arithmetic, min. | 50 µs |
| for timer/counter operations, min. | 12 µs |
| CPU-blocks |
| DB |
| Number, max. | 511 |
| Size, max. | 16 kbyte |
| FB |
| Number, max. | 256 |
| Size, max. | 16 kbyte |
| FC |
| Number, max. | 256 |
| Size, max. | 16 kbyte |
| OB |
| Description | see instruction list |
| Size, max. | 16 kbyte |
| Number of free cycle OBs | 1; OB 1 |
| Number of time alarm OBs | 1; OB 10 |
| Number of time interrupt OBs | 1; OB 35 |
| Number of process alarm OBs | 1; OB 40 |
| Number of startup OBs | 1; OB 100 |
| Nesting depth |
| per priority class | 8 |
| Counters, timers and their retentivity |
| S7 counter |
| Number | 64 |
| of which retentive with battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 63 |
| of which retentive without battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 63 |
| Counting range |
| lower limit | 1 |
| upper limit | 999 |
| S7 times |
| Number | 128 |
| of which retentive with battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 127 |
| of which retentive without battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 127 |
| Time range |
| lower limit | 10 ms |
| upper limit | 9990 s |
| Data areas and their retentivity |
| Flag |
| Number, max. | 256 byte |
| Retentivity available | Yes; MB 0 to MB 255 |
| of which retentive with battery | 0 to 2047 (M 0.0 to M 255.7, adjustable) |
| of which retentive without battery | 0 to 2047 (M 0.0 to M 255.7, adjustable) |
| Address area |
| I/O address area |
| Inputs | 2 kbyte |
| Outputs | 2 kbyte |
| Process image |
| Inputs | 128 byte |
| Outputs | 128 byte |
| Digital channels |
| Inputs | 16384 |
| Outputs | 16384 |
| Inputs, of which central | 1024 |
| Outputs, of which central | 1024 |
| Analog channels |
| Inputs | 1024 |
| Outputs | 1024 |
| Inputs, of which central | 256 |
| Outputs, of which central | 128 |
| Hardware configuration |
| Modules per rack, max. | 32 |
| Expansion devices, max. | 3 |
| Connectable programming devices/PCs | PGs/PCs with STEP 7 connectable via MPI interface |
| Number of modules per DP slave interface, max. | 64 |
| Number of DP masters |
| integrated | 1 |
| via CP | 1; CP 342-5 |
| Number of operable FMs and CPs (recommended) |
| FM | 8 |
| CP, point-to-point | 4 |
| CP, LAN | 2 |
| Time of day |
| Clock |
| Hardware clock (real-time clock) | Yes |
| Interfaces |
| MPI |
| Cable length, max. | 9100 m; without repeaters: 50 m; with 2 repeaters: 1100 m; with 10 repeaters in series: 9100 m; via fiber optic cable: 23.8 km (with 16 star hubs or OLMs) |
| 1st interface |
| Functionality |
| MPI | Yes |
| MPI |
| Services |
| PG/OP communication | Yes |
| Global data communication | Yes |
| S7 basic communication | Yes |
| S7 communication | Yes |
| Number of nodes, max. | 32 |
| Transmission rate, max. | 187.5 kbit/s |
| Назад в раздел
|
