| | SIMATIC S7-300, CPU 313C-2 PTP COMPACT CPU WITH MPI, 16 DI/16 DO, 3 FAST COUNTERS (30 KHZ), INTEGRATED INTERFACE RS485, INTEGRATED 24V DC POWER SUPPLY, 128 KBYTE WORKING MEMORY, FRONT CONNECTOR (1 X 40PIN) AND MICRO MEMORY CARD REQUIRED |
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| General information |
| Hardware product version | 01 |
| Firmware version | V3.3 |
| Engineering with |
| Programming package | STEP7 as of V5.5 + SP1 or STEP 7 V5.3 + SP2 or higher with HSP 204 |
| Supply voltage |
| 24 V DC | Yes |
| permissible range, lower limit (DC) | 19.2 V |
| permissible range, upper limit (DC) | 28.8 V |
| External protection for supply cables (recommendation) | LS-switch Type C min 2 A; LS-switch Type-B min. 4 A |
| Mains buffering |
| Mains/voltage failure stored energy time | 5 ms |
| Repeat rate, min. | 1 s |
| Digital inputs |
| Load voltage L+ |
| Rated value (DC) | 24 V |
| Reverse polarity protection | Yes |
| Digital outputs |
| Load voltage L+ |
| Rated value (DC) | 24 V |
| Reverse polarity protection | No |
| Input current |
| Current consumption (rated value) | 580 mA |
| Current consumption (in no-load operation), typ. | 110 mA |
| Inrush current, typ. | 5 A |
| I²t | 0.7 A²·s |
| Digital inputs |
| from load voltage L+ (without load), max. | 80 mA |
| Digital outputs |
| from load voltage L+, max. | 50 mA |
| Power losses |
| Power loss, typ. | 9 W |
| Memory |
| Work memory |
| integrated | 128 kbyte |
| expandable | No |
| Size of retentive memory for retentive data blocks | 64 kbyte |
| Load memory |
| pluggable (MMC) | Yes |
| pluggable (MMC), max. | 8 Mbyte |
| Data management on MMC (after last programming), min. | 10 a |
| Backup |
| present | Yes; Guaranteed by MMC (maintenance-free) |
| without battery | Yes; Program and data |
| CPU processing times |
| for bit operations, min. | 0.07 µs |
| for word operations, min. | 0.15 µs |
| for fixed point arithmetic, min. | 0.2 µs |
| for floating point arithmetic, min. | 0.72 µs |
| CPU-blocks |
| Number of blocks (total) | 1024; (DBs, FCs, FBs); the maximum number of loadable blocks can be reduced by the MMC used. |
| DB |
| Number, max. | 1024; Number range: 1 to 16000 |
| Size, max. | 64 kbyte |
| FB |
| Number, max. | 1024; Number range: 0 to 7999 |
| Size, max. | 64 kbyte |
| FC |
| Number, max. | 1024; Number range: 0 to 7999 |
| Size, max. | 64 kbyte |
| OB |
| Description | see instruction list |
| Size, max. | 64 kbyte |
| Number of free cycle OBs | 1; OB 1 |
| Number of time alarm OBs | 1; OB 10 |
| Number of delay alarm OBs | 2; OB 20, 21 |
| Number of time interrupt OBs | 4; OB 32, 33, 34, 35 |
| Number of process alarm OBs | 1; OB 40 |
| Number of startup OBs | 1; OB 100 |
| Number of asynchronous error OBs | 4; OB 80, 82, 85, 87 |
| Number of synchronous error OBs | 2; OB 121, 122 |
| Nesting depth |
| per priority class | 16 |
| additional within an error OB | 4 |
| Counters, timers and their retentivity |
| S7 counter |
| Number | 256 |
| Retentivity |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 255 |
| preset | Z 0 to Z 7 |
| Counting range |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 999 |
| IEC counter |
| present | Yes |
| Type | SFB |
| Number | Unlimited (limited only by RAM capacity) |
| S7 times |
| Number | 256 |
| Retentivity |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 255 |
| preset | No retentivity |
| Time range |
| lower limit | 10 ms |
| upper limit | 9990 s |
| IEC timer |
| present | Yes |
| Type | SFB |
| Number | Unlimited (limited only by RAM capacity) |
| Data areas and their retentivity |
| retentive data area, total | All, max. 64 KB |
| Flag |
| Number, max. | 256 byte |
| Retentivity available | Yes; MB 0 to MB 255 |
| Retentivity preset | MB 0 to MB 15 |
| Number of clock memories | 8; 1 memory byte |
| Data blocks |
| Number, max. | 1024; Number range: 1 to 16000 |
| Size, max. | 64 kbyte |
| Retentivity adjustable | Yes; via non-retain property on DB |
| Retentivity preset | Yes |
| Local data |
| per priority class, max. | 32 kbyte; Назад в раздел
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