| 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, 64 KBYTE WORKING MEMORY, FRONT CONNECTOR (1 X 40PIN) AND MICRO MEMORY CARD REQUIRED |
| General information |
| Hardware product version | 01 |
| Firmware version | V2.6 |
| [nicht versorgt: TAK_ABW067_001_000] |
| associated programming package | STEP 7 V5.3 SP2 or higher with HW update |
| Supply voltage |
| 24 V DC | Yes |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| External protection for supply cables (recommendation) | Miniature circuit breaker, type C; min 2 A; miniature circuit breaker type B, min. 4 A |
| Load voltage L+ |
| Rated value (DC) | 24 V |
| permissible range, lower limit (DC) | 20.4 V |
| permissible range, upper limit (DC) | 28.8 V |
| 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) | 700 mA |
| Current consumption (in no-load operation), typ. | 100 mA |
| Inrush current, typ. | 11 A |
| I²t | 0.7 A²·s |
| from supply voltage L+, max. | 700 mA |
| Digital inputs |
| from load voltage L+ (without load), max. | 70 mA |
| Digital outputs |
| from load voltage L+, max. | 100 mA |
| Power losses |
| Power loss, typ. | 10 W |
| Memory |
| Work memory |
| integrated | 64 Kibyte |
| expandable | No |
| 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. | 0.1 µs |
| for bit operations, max. | 0.2 µs |
| for word operations, min. | 0.2 µs |
| for fixed point arithmetic, min. | 2 µs |
| for floating point arithmetic, min. | 3 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. | 511; Number range: 1 to 511 |
| Size, max. | 16 Kibyte |
| FB |
| Number, max. | 1024; Number range: 0 to 2047 |
| Size, max. | 16 Kibyte |
| FC |
| Number, max. | 1024; Number range: 0 to 2047 |
| Size, max. | 16 Kibyte |
| OB |
| Size, max. | 16 Kibyte |
| Number of free cycle OBs | 1; OB 1 |
| Number of time alarm OBs | 1; OB 10 |
| Number of delay alarm OBs | 1; OB 20 |
| Number of time interrupt OBs | 1; OB 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 | 8 |
| additional within an error OB | 4 |
| Counters, timers and their retentivity |
| S7 counter |
| Number | 256 |
| of which retentive without battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 255 |
| preset | 8 |
| Retentivity |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 255 |
| preset | 8 |
| Counting range |
| lower limit | 0 |
| upper limit | 999 |
| IEC counter |
| present | Yes |
| Type | SFB |
| Number | Unlimited (limited only by RAM capacity) |
| S7 times |
| Number | 256 |
| of which retentive without battery |
| adjustable | Yes |
| lower limit | 0 |
| upper limit | 255 |
| 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 |
| 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. | 511; Number range: 1 to 511 |
| Size, max. | 16 Kibyte |
| Retentivity adjustable | Yes; via non-retain property on DB |
| Retentivity preset | Yes |
| Local data |
| per priority class, max. | 510 byte |
| Address area |
| I/O address area |
| Inputs | 1 Kibyte |
| Outputs | 1 Kibyte |
| of which, distributed |
| Inputs | none |
| Outputs | none |
| Process image |
| Inputs | 128 byte |
| Outputs | 128 byte |
| Default addresses of the integrated channels |
| Digital inputs | 124.0 to 125.7 |
| Digital outputs | 124.0 to 125.7 |
| Digital channels |
| Inputs | 1008 |
| Outputs | 1008 |
| Inputs, of which central | 1008 |
| Outputs, of which central | 1008 |
| Analog channels |
| Inputs | 248 |
| Outputs | 248 |
| Inputs, of which central | 248 |
| Outputs, of which central | 248 |
| Hardware configuration |
| Racks, max. | 4 |
| Modules per rack, max. | 8; In rack 3 max. 7 |
| Expansion devices, max. | 3 |
| Number of DP masters |
| integrated | No |
| via CP | 4 |
| Number of operable FMs and CPs (recommended) |
| FM | 8 |
| CP, point-to-point | 8 |
| CP, LAN | 6 |
| Time of day |
| Clock |
| Hardware clock (real-time clock) | Yes |
| battery-backed and synchronizable | Yes |
| Deviation per day, max. | 10 s |
| Backup time | 6 wk; At 40 °C ambient temperature |
| Operating hours counter |
| Number | 1 |
| Number/Number range | 0 |
| Range of values | 0 to 2^31 hours (when using SFC 101) |
| Granularity | 1 hour |
| retentive | Yes; Must be restarted at each restart |
| Clock synchronization |
| supported | Yes |
| to MPI, master | Yes |
| to MPI, slave | Yes |
| in AS, master | Yes |
| Digital inputs |
| Number/binary inputs | 16 |
| of which, inputs usable for technological functions | 12 |
| integrated channels (DI) | 16 |
| Input characteristic curve acc. to IEC 1131, Type 1 | Yes |
| Number of simultaneously controllable inputs |
| horizontal installation |
| up to 40 °C, max. | 16 |
| up to 60 °C, max. | 8 |
| vertical installation |
| up to 40 °C, max. | 8 |
| Technological functions |
| shielded, max. | 100 m |
| Unshielded, max. | not allowed |
| Standard DI |
| shielded, max. | 1000 m |
| Unshielded, max. | 600 m |
| Input voltage |
| Type of voltage / of the input voltage | |
| Rated value, DC | 24 V |
| for signal "0" | -3 to +5 V |
| for signal "1" | 15 to 30 V |
| Input current |
| for signal "1", typ. | 9 mA |
| Input delay (for rated value of input voltage) |
| for standard inputs |
| Parameterizable | Yes; 0.1 / 0.3 / 3 / 15 ms |
| Rated value | 3 ms |
| for counter/technological functions |
| at "0" to "1", max. | 16 µs |
| Cable length |
| Cable length, shielded, max. | 1000 m; 100 m for technological functions |
| Cable length unshielded, max. | 600 m; For technological functions: No |
| Digital outputs |
| Number/binary outputs | 16 |
| of which high-speed outputs | 4 |
| integrated channels (DO) | 16 |
| Functionality/short-circuit strength | Yes; Clocked electronically |
| Response threshold, typ. | 1 A |
| Limitation of inductive shutdown voltage to | L+ (-48 V) |
| Lamp load, max. | 5 W |
| Controlling a digital input | Yes |
| Output voltage |
| for signal "1", min. | L+ (-0.8 V) |
| Output current |
| for signal "1" rated value | 500 mA |
| for signal "1" permissible range, min. | 5 mA |
| for signal "1" permissible range, max. | 0.6 A |
| for signal "1" minimum load current | 5 mA |
| for signal "0" residual current, max. | 0.5 mA |
| Parallel switching of 2 outputs |
| for increased power | No |
| for redundant control of a load | Yes |
| Switching frequency |
| with resistive load, max. | 100 Hz |
| with inductive load, max. | 0.5 Hz |
| on lamp load, max. | 100 Hz |
| of the pulse outputs, with resistive load, max. | 2.5 kHz |
| Aggregate current of outputs (per group) |
| horizontal installation |
| up to 40 °C, max. | 3 A |
| up to 60 °C, max. | 2 A |
| vertical installation |
| up to 40 °C, max. | 2 A |
| Load resistance range |
| lower limit | 48 Ω |
| upper limit | 4 kΩ |
| Cable length |
| Cable length, shielded, max. | 1000 m |
| Cable length unshielded, max. | 600 m |
| Analog inputs |
| Integrated channels (AI) | none |
| Analog outputs |
| Integrated channels (AO) | none |
| Encoder |
| Connectable encoders |
| 2-wire BEROS | Yes |
| permissible quiescent current (2-wire BEROS), max. | 1.5 mA |
| Interfaces |
| Number of USB interfaces | 0 |
| Number of parallel interfaces | 0 |
| Number of 20 mA interfaces (TTY) | 0 |
| Number of RS 232 interfaces | 0 |
| Number of RS 422 interfaces | 1 |
| Number of other hardware interfaces | 0 |
| MPI |
| Cable length, max. | 50 m; without repeater |
| Point-to-point |
| Cable length, max. | 1200 m |
| Integrated protocol driver |
| 3964 (R) | Yes |
| ASCII | Yes |
| RK512 | No |
| Transmission speed, RS 422/485 |
| with 3964 (R) protocol, max. | 38.4 kbit/s half duplex; 19.2 kbit/s full duplex |
| with ASCII protocol, max. | 38.4 kbit/s half duplex; 19.2 kbit/s full duplex |
| 1st interface |
| Type of interface | Integrated RS 485 interface |
| Physics | RS 485 |
| Isolated | No |
| Power supply to interface (15 to 30 V DC), max. | 200 mA |
| Functionality |
| MPI | Yes |
| DP master | No |
| DP slave | No |
| Point-to-point connection | No |
| MPI |
| Number of connections | 8 |
| Services |
| PG/OP communication | Yes |
| Routing | No |
| Global data communication | Yes |
| S7 basic communication | Yes |
| S7 communication | Yes |
| S7 communication, as client | No |
| S7 communication, as server | Yes |
| Transmission rate, max. | 187.5 kbit/s |
| 2nd interface |
| Type of interface | Integrated RS 422/ 485 interface |
| Physics | RS 422/RS 485 (X.27) |
| Isolated | Yes |
| Power supply to interface (15 to 30 V DC), max. | No |
| Media redundancy |
| Number of connection resources | none |
| Functionality |
| MPI | No |
| DP master | No |
| DP slave | No |
| PROFINET IO Controller | No |
| PROFINET CBA | No |
| Local Operating Network | Yes |
| Point-to-point connection |
| Transmission rate, max. | 38.4 kbit/s half duplex; 19.2 kbit/s full duplex |
| Cable length, max. | 1200 m |
| interface from the user program controllable | Yes |
| Interface can trigger alarm/interrupt in the user program | Yes; Message on break - identification |
| Protocol driver | 3964 (R); ASCII |
| Communication functions |
| PG/OP communication | Yes |
| Global data communication |
| supported | Yes |
| Number of GD loops, max. | 4 |
| Number of GD packets, max. | 4 |
| Number of GD packets, transmitter, max. | 4 |
| Number of GD packets, receiver, max. | 4 |
| Size of GD packets, max. | 22 byte |
| Size of GD packet (of which consistent), max. | 22 byte |
| S7 basic communication |
| supported | Yes; Server |
| User data per job, max. | 76 byte |
| User data per job (of which consistent), max. | 76 byte; 76 bytes (with X_SEND or X_RCV); 64 bytes (with X_PUT or X_GET as server) |
| S7 communication |
| supported | Yes |
| as server | Yes |
| as client | Yes; Via CP and loadable FB |
| User data per job, max. | 180 byte; With PUT/GET |
| User data per job (of which consistent), max. | 64 byte |
| S5-compatible communication |
| supported | Yes; via CP and loadable FC |
| Number of connections |
| overall | 8 |
| usable for PG communication | 7 |
| reserved for PG communication | 1 |
| Adjustable for PG communication, min. | 1 |
| Adjustable for PG communication, max. | 7 |
| usable for OP communication | 7 |
| reserved for OP communication | 1 |
| adjustable for OP communication, min. | 1 |
| adjustable for OP communication, max. | 7 |
| usable for S7 basic communication | 4 |
| Reserved for S7 basic communication | 0 |
| adjustable for S7 basic communication, min. | 0 |
| adjustable for S7 basic communication, max. | 4 |
| usable for routing | No |
| S7 message functions |
| Number of login stations for message functions, max. | 8; Depending on the configured connections for PG/OP and S7 basic communication |
| Process diagnostic messages | Yes |
| simultaneously active Alarm-S blocks, max. | 20 |
| Test commissioning functions |
| Status/control |
| Status/control variable | Yes |
| Variables | Inputs, outputs, memory bits, DB, times, counters |
| Number of variables, max. | 30 |
| of which status variables, max. | 30 |
| of which control variables, max. | 14 |
| Forcing |
| Forcing | Yes |
| Force, variables | Inputs, outputs |
| Number of variables, max. | 10 |
| Status block | Yes |
| Single step | Yes |
| Number of breakpoints | 2 |
| Diagnostic buffer |
| present | Yes |
| Number of entries, max. | 100 |
| Interrupts/diagnostics/status information |
| Diagnostics indication LED |
| Status indicator digital output (green) | Yes |
| Status indicator digital input (green) | Yes |
| Integrated Functions |
| Number of counters | 3; 3 channels (see "Technological Functions" manual) |
| Counter frequency (counter) max. | 30 kHz |
| Frequency measurement | Yes |
| Number of frequency meters | 3; 3 channels up to max. 30 kHz (see "Technological Functions" manual) |
| controlled positioning | No |
| Integrated function blocks (closed-loop control) | PID controller (see "Technological Functions" manual) |
| PID controller | Yes |
| Number of pulse outputs | 3; 3 channels pulse width modulation up to max. 2.5 kHz (see "Technological Functions" manual) |
| Limit frequency (pulse) | 2.5 kHz |
| Galvanic isolation |
| Galvanic isolation digital inputs |
| Galvanic isolation digital inputs | Yes |
| between the channels | No |
| between the channels and the backplane bus | Yes |
| Galvanic isolation digital outputs |
| Galvanic isolation digital outputs | Yes |
| between the channels | Yes |
| between the channels, in groups of | 8 |
| between the channels and the backplane bus | Yes |
| Permissible potential difference |
| between different circuits | 75 VDC / 60 VAC |
| Isolation |
| Isolation checked with | 600 V DC |
| Configuration |
| Configuration software |
| STEP 7 | Yes; V5.2 SP1 with HW update |
| programming |
| Programming language |
| LAD | Yes |
| FBD | Yes |
| STL | Yes |
| SCL | Yes |
| GRAPH | Yes |
| HiGraph® | Yes |
| Command set | see instruction list |
| Nesting levels | 8 |
| Software libraries |
| System functions (SFC) | see instruction list |
| System function blocks (SFB) | see instruction list |
| Know-how protection |
| User program protection/password protection | Yes |
| Dimensions |
| Width | 120 mm |
| Height | 125 mm |
| Depth | 130 mm |
| Weight |
| Weight, approx. | 566 g |
